单选题Advertisement: The most flavorful olives in the world are kalamata olives. The more kalamata olives used to make a bottle of olive oil, the more flavorful the oil, and no company buys more kalamata olives than Zorba’s Olive Oil. Therefore, when you buy Zorba’s Olive Oil, you’re buying the most flavorful olive oil available today. The reasoning presented in the advertisement is flawed because it overlooks the possibility that:ANot all of Zorba’s competitors use kalamata olives in their oil.BZorba’s sells more olive oil than any other company.CThe most flavorful olive oil is not necessarily the best olive oil.DBecause of bulk discounts, Zorba’s pays less per kilogram of kalamata olives than does its competitors.EThe number of kalamata olives harvested every year is far less than the number of Spanish olives harvested every year.
单选题
Advertisement: The most flavorful olives in the world are kalamata olives. The more kalamata olives used to make a bottle of olive oil, the more flavorful the oil, and no company buys more kalamata olives than Zorba’s Olive Oil. Therefore, when you buy Zorba’s Olive Oil, you’re buying the most flavorful olive oil available today. The reasoning presented in the advertisement is flawed because it overlooks the possibility that:
A
Not all of Zorba’s competitors use kalamata olives in their oil.
B
Zorba’s sells more olive oil than any other company.
C
The most flavorful olive oil is not necessarily the best olive oil.
D
Because of bulk discounts, Zorba’s pays less per kilogram of kalamata olives than does its competitors.
E
The number of kalamata olives harvested every year is far less than the number of Spanish olives harvested every year.
参考解析
解析：
推理过程中只强调Zorba公司购买卡拉马塔橄榄油的总量多，但是不能确定其每瓶油中橄榄油的量，故本题应选B项。
推理过程中只强调Zorba公司购买卡拉马塔橄榄油的总量多，但是不能确定其每瓶油中橄榄油的量，故本题应选B项。
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Text 3 Could the bad old days of economic decline be about to return? Since OPEC agreed to supply-cuts in March, the price of crude oil has jumped to almost $26 a barrel, up from less than $10 last December. This near-tripling of oil prices calls up scary memories of the 1973 oil shock, when prices quadrupled, and 1979-80, when they also almost tripled. Both previous shocks resulted in double-digit inflation and global economic decline. So where are the headlines warning of gloom and doom this time?The oil price was given another push up this week when Iraq suspended oil exports. Strengthening economic growth, at the same time as winter grips the northern hemisphere, could push the price higher still in the short term.Yet there are good reasons to expect the economic consequences now to be less severe than in the 1970s. In most countries the cost of crude oil now accounts for a smaller share of the price of petrol than it did in the 1970s. In Europe, taxes account for up to four-fifths of the retail price, so even quite big changes in the price of crude have a more muted effect on pump prices than in the past.Rich economies are also less dependent on oil than they were, and so less sensitive to swings in the oil price. Energy conservation, a shift to other fuels and a decline in the importance of heavy, energy-intensive industries have reduced oil consumption. Software, consultancy and mobile telephones use far less oil than steel or car production. For each dollar of GDP (in constant prices) rich economies now use nearly 50% less oil than in 1973. The OECD estimates in its latest Economic Outlook that, if oil prices averaged $22 a barrel for a full year, compared with $13 in 1998, this would increase the oil import bill in rich economies by only 0.25-0.5% of GDP. That is less than one-quarter of the income loss in 1974 or 1980. On the other hand, oil-importing emerging economies--to which heavy industry has shifted-have become more energy-intensive, and so could be more seriously squeezed.One more reason not to lose sleep over the rise in oil prices is that, unlike the rises in the 1970s, it has not occurred against the background of general commodity-price inflation and global excess demand. A sizable portion of the world is only just emerging from economic decline. The Economist's commodity price index is broadly unchanging from a year ago. In 1973 commodity prices jumped by 70%, and in 1979 by almost 30%.第51题：The main reason for the latest rise of oil price isA global inflation.B reduction in supply.C fast growth in economy.D Iraq's suspension of exports.
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共用题干第三篇Oil and EconomyCould the bad old days of economic decline be about to return?Since OPEC agreed to supplycuts in March,the price of crude oil has jumped to almost $26 a barrel,up from less than$10 last December. This near-tripling of oil prices calls up scary memories of the 1973 oil shock,when prices quadrupled,and 1979一1980,when they also almost tripled.Both previous shocks resulted in double一digit inflation and global economic decline.So where are the headlines warning of gloom and doom this time?The oil price was given another push up this week when Iraq suspended oil exports.Strengthening economic growth,at the same time as winter grips the northern hemisphere,could push the price higher still in the short term.Yet there are good reasons to expect the economic consequences now to be less severe than in the 1970s.In most countries the cost of crude oil now accounts for a smaller share of the price of petrol than it did in the 1970s.In Europe,taxes account for up to four-fifths of the retail price,so even quite big changes in the price of crude oil have a more muted effect on pump prices than in the past.Rich economies are also less dependent on oil than they were,and so less sensitive to swings in the oil price.Energy conservation,a shift to other fuels and a decline in the importance of heavy, energy-intensive industries have reduced oil consumption.Software,consultancy and mobile telephones use far less oil than steel or car production.For each dollar of GDP(in constant prices)rich economies now use nearly 50%less oil than in 1973.The OECD estimates in its latest Economic Outlook that,if oil prices averaged $22 a barrel for a full year,compared with $13 in 1998,this would increase the oil import bill in rich economies by only 0.25-0.S%of GDP. That is less than one-quarter of the income loss in 1974 or 1980.On the other hand,oil-importing emerging economies一to which heavy industry has shifted一have become more energy一intensive,and so could be more seriously squeezed.One more reason not to lose sleep over the rise in oil prices is that,unlike the rises in the 1970s,it has not occurred against the background of general commodity-price inflation and global excess demand.A sizable portion of the world is only just emerging from economic decline.The Economist's commodity price index is broadly unchanging from a year ago. In 1973 commodity prices jumped by 70%,and in 1979 by almost 30%.The estimates in Economic Outlook show that in rich countries______.A:heavy industry becomes more energy-intensiveB:income loss mainly results from fluctuating crude oil pricesC:manufacturing industry has been seriously squeezedD:oil price changes have no significant impact on GDP
共用题干第三篇Oil and EconomyCould the bad old days of economic decline be about to return?Since OPEC agreed to supplycuts in March,the price of crude oil has jumped to almost $26 a barrel,up from less than$10 last December. This near-tripling of oil prices calls up scary memories of the 1973 oil shock,when prices quadrupled,and 1979一1980,when they also almost tripled.Both previous shocks resulted in double一digit inflation and global economic decline.So where are the headlines warning of gloom and doom this time?The oil price was given another push up this week when Iraq suspended oil exports.Strengthening economic growth,at the same time as winter grips the northern hemisphere,could push the price higher still in the short term.Yet there are good reasons to expect the economic consequences now to be less severe than in the 1970s.In most countries the cost of crude oil now accounts for a smaller share of the price of petrol than it did in the 1970s.In Europe,taxes account for up to four-fifths of the retail price,so even quite big changes in the price of crude oil have a more muted effect on pump prices than in the past.Rich economies are also less dependent on oil than they were,and so less sensitive to swings in the oil price.Energy conservation,a shift to other fuels and a decline in the importance of heavy, energy-intensive industries have reduced oil consumption.Software,consultancy and mobile telephones use far less oil than steel or car production.For each dollar of GDP(in constant prices)rich economies now use nearly 50%less oil than in 1973.The OECD estimates in its latest Economic Outlook that,if oil prices averaged $22 a barrel for a full year,compared with $13 in 1998,this would increase the oil import bill in rich economies by only 0.25-0.S%of GDP. That is less than one-quarter of the income loss in 1974 or 1980.On the other hand,oil-importing emerging economies一to which heavy industry has shifted一have become more energy一intensive,and so could be more seriously squeezed.One more reason not to lose sleep over the rise in oil prices is that,unlike the rises in the 1970s,it has not occurred against the background of general commodity-price inflation and global excess demand.A sizable portion of the world is only just emerging from economic decline.The Economist's commodity price index is broadly unchanging from a year ago. In 1973 commodity prices jumped by 70%,and in 1979 by almost 30%.We can draw a conclusion from the text that______.A:oil-price shocks are less shocking nowB:inflation seems irrelevant to oil-price shocksC:energy conservation can keep down the oil pricesD:the price rise of crude oil leads to the shrinking of heavy industry
共用题干第三篇Oil and EconomyCould the bad old days of economic decline be about to return?Since OPEC agreed to supplycuts in March,the price of crude oil has jumped to almost $26 a barrel,up from less than$10 last December. This near-tripling of oil prices calls up scary memories of the 1973 oil shock,when prices quadrupled,and 1979一1980,when they also almost tripled.Both previous shocks resulted in double一digit inflation and global economic decline.So where are the headlines warning of gloom and doom this time?The oil price was given another push up this week when Iraq suspended oil exports.Strengthening economic growth,at the same time as winter grips the northern hemisphere,could push the price higher still in the short term.Yet there are good reasons to expect the economic consequences now to be less severe than in the 1970s.In most countries the cost of crude oil now accounts for a smaller share of the price of petrol than it did in the 1970s.In Europe,taxes account for up to four-fifths of the retail price,so even quite big changes in the price of crude oil have a more muted effect on pump prices than in the past.Rich economies are also less dependent on oil than they were,and so less sensitive to swings in the oil price.Energy conservation,a shift to other fuels and a decline in the importance of heavy, energy-intensive industries have reduced oil consumption.Software,consultancy and mobile telephones use far less oil than steel or car production.For each dollar of GDP(in constant prices)rich economies now use nearly 50%less oil than in 1973.The OECD estimates in its latest Economic Outlook that,if oil prices averaged $22 a barrel for a full year,compared with $13 in 1998,this would increase the oil import bill in rich economies by only 0.25-0.S%of GDP. That is less than one-quarter of the income loss in 1974 or 1980.On the other hand,oil-importing emerging economies一to which heavy industry has shifted一have become more energy一intensive,and so could be more seriously squeezed.One more reason not to lose sleep over the rise in oil prices is that,unlike the rises in the 1970s,it has not occurred against the background of general commodity-price inflation and global excess demand.A sizable portion of the world is only just emerging from economic decline.The Economist's commodity price index is broadly unchanging from a year ago. In 1973 commodity prices jumped by 70%,and in 1979 by almost 30%.The main reason for the latest rise of oil price is______.A:global inflationB:reduction in supplyC:fast growth in economyD:Iraq's suspension of exports
共用题干第三篇Oil and EconomyCould the bad old days of economic decline be about to return?Since OPEC agreed to supplycuts in March,the price of crude oil has jumped to almost $26 a barrel,up from less than$10 last December. This near-tripling of oil prices calls up scary memories of the 1973 oil shock,when prices quadrupled,and 1979一1980,when they also almost tripled.Both previous shocks resulted in double一digit inflation and global economic decline.So where are the headlines warning of gloom and doom this time?The oil price was given another push up this week when Iraq suspended oil exports.Strengthening economic growth,at the same time as winter grips the northern hemisphere,could push the price higher still in the short term.Yet there are good reasons to expect the economic consequences now to be less severe than in the 1970s.In most countries the cost of crude oil now accounts for a smaller share of the price of petrol than it did in the 1970s.In Europe,taxes account for up to four-fifths of the retail price,so even quite big changes in the price of crude oil have a more muted effect on pump prices than in the past.Rich economies are also less dependent on oil than they were,and so less sensitive to swings in the oil price.Energy conservation,a shift to other fuels and a decline in the importance of heavy, energy-intensive industries have reduced oil consumption.Software,consultancy and mobile telephones use far less oil than steel or car production.For each dollar of GDP(in constant prices)rich economies now use nearly 50%less oil than in 1973.The OECD estimates in its latest Economic Outlook that,if oil prices averaged $22 a barrel for a full year,compared with $13 in 1998,this would increase the oil import bill in rich economies by only 0.25-0.S%of GDP. That is less than one-quarter of the income loss in 1974 or 1980.On the other hand,oil-importing emerging economies一to which heavy industry has shifted一have become more energy一intensive,and so could be more seriously squeezed.One more reason not to lose sleep over the rise in oil prices is that,unlike the rises in the 1970s,it has not occurred against the background of general commodity-price inflation and global excess demand.A sizable portion of the world is only just emerging from economic decline.The Economist's commodity price index is broadly unchanging from a year ago. In 1973 commodity prices jumped by 70%,and in 1979 by almost 30%.It can be inferred from the text that the retail price of petrol will go up dramatically in Europe if______.A:price of crude risesB:commodity prices riseC:consumption risesD:oil taxes rise
The best olive oil is obtained from olives that are harvested just after they ripen.A:preservedB:squeezedC: sortedD:gathered
共用题干第三篇Oil and EconomyCould the bad old days of economic decline be about to return?Since OPEC agreed to supplycuts in March,the price of crude oil has jumped to almost $26 a barrel,up from less than$10 last December. This near-tripling of oil prices calls up scary memories of the 1973 oil shock,when prices quadrupled,and 1979一1980,when they also almost tripled.Both previous shocks resulted in double-digit inflation and global economic decline.So where are the headlines warning of gloom and doom this time?The oil price was given another push up this week when Iraq suspended oil exports.Strengthening economic growth,at the same time as winter grips the northern hemisphere,could push the price higher still in the short term.Yet there are good reasons to expect the economic consequences now to be less severe than in the l970s.In most countries the cost of crude oil now accounts for a smaller share of the price of petrol than it did in the l970s.In Europe,taxes account for up to four-fifths of the retail price,so even quite big changes in the price of crude have a more muted effect on pump prices than in the past.Rich economies are also less dependent on oil than they were,and so less sensitive to swings in the oil price.Energy conservation,a shift to other fuels and a decline in the importance of heavy, energy-intensive industries have reduced oil consumption.Software,consultancy and mobile telephones use far less oil than steel or car production.For each dollar of GDP(inconstant prices)in rich economies now use nearly 50%less oil than in 1973.The OECD estimates in its latest Economic Outlook that,if oil prices averaged $22 a barrel for a full year,compared with$13 in 1998,this would increase the oil import bill in rich economies by only 0.25％～0.5%of GDP.That is less than one-quarter of the income loss in 1974 or 1980. On the other hand,oil-importing emerging economies一to which heavy industry has shifted一have become more energy-intensive,and so could be more seriously squeezed.One more reason not to lose sleep over the rise in oil prices is that,unlike the rises in the 1970s,it has not occurred against the background of general commodity-price inflation and global excess demand.A sizable portion of the world is only just emerging from economic decline.The Economist's commodity price index is broadly unchanging from a year ago.In 1973 commodity prices jumped by 70%,and in 1979 by almost 30%.It can be inferred from the text that the retail price of petrol will go up dramatically if_______.A:price of crude risesB:commodity prices riseC:consumption risesD:oil taxes rise
共用题干Thirst for OilWorldwide every day,we devour the energy equivalent of about 200 million barrels of oil. Most of the energy on Earth comes from the Sun. In fact enough energy from the Sun hits the planet's surface each minute to cover our needs for an entire year,we just need to find an efficient way to use it. So far the energy in oil has been cheaper and easier to get at. But as supplies dwindle,this will change,and we will need to cure our addiction to oil.Burning wood satisfied most energy needs until the steam-driven industrial revolution,when energy-dense coal became the fuel of choice. Coal is still used,mostly in power sta-tions,to cover one quarter of our energy needs,but its use has been declining since we star-ted pumping up oil. Coal is the least efficient,unhealthiest and most environmentally dama-ging fossil fuel,but could make a comeback,as supplies are still plentiful:its reserves are five times larger than oil's.Today petroleum,a mineral oil obtained from below the surface of the Earth and used to produce petrol,diesel oil and various other chemical substances,provides around 40% of the world's energy needs,mostly fuelling automobiles. The US consumes a quarter of all oil,and generates a similar proportion of greenhouse gas emissions.The majority of oil comes from the Middle East,which has half of known reserves. But other significant sources include Russia,North America,Norway,Venezuela and the North Sea. Alaska's Arctic National Wildlife Refuge could be a major new US source,to reduce reliance on foreign imports.Most experts predict we will exhaust easily accessible reserves within 50 years,though opinions and estimates vary. We could fast reach an energy crisis in the next few decades, when demand exceeds supply. As conventional reserves become more difficult to access,oth-ers such as oil shales and tar sands may be used instead. Petrol could also be obtained from coal.Since we started using fossil fuels,we have released 400 billion tonnes of carbon,and burning the entire reserves could eventually raise world temperatures by 13℃ .Among other horrors,this would result in the destruction of all rainforests and the melting of allArctic ice.“…we will need to cure our addiction to oil.”Why does the author say so?A:Most of the energy on Earth comes from the Sun.B: Oil supply is increasing all the time.C: Demand for oil is increasing all the time.D: Oil supply is decreasing.
共用题干第三篇Oil and EconomyCould the bad old days of economic decline be about to return?Since OPEC agreed to supplycuts in March,the price of crude oil has jumped to almost $26 a barrel,up from less than$10 last December. This near-tripling of oil prices calls up scary memories of the 1973 oil shock,when prices quadrupled,and 1979一1980,when they also almost tripled.Both previous shocks resulted in double-digit inflation and global economic decline.So where are the headlines warning of gloom and doom this time?The oil price was given another push up this week when Iraq suspended oil exports.Strengthening economic growth,at the same time as winter grips the northern hemisphere,could push the price higher still in the short term.Yet there are good reasons to expect the economic consequences now to be less severe than in the l970s.In most countries the cost of crude oil now accounts for a smaller share of the price of petrol than it did in the l970s.In Europe,taxes account for up to four-fifths of the retail price,so even quite big changes in the price of crude have a more muted effect on pump prices than in the past.Rich economies are also less dependent on oil than they were,and so less sensitive to swings in the oil price.Energy conservation,a shift to other fuels and a decline in the importance of heavy, energy-intensive industries have reduced oil consumption.Software,consultancy and mobile telephones use far less oil than steel or car production.For each dollar of GDP(inconstant prices)in rich economies now use nearly 50%less oil than in 1973.The OECD estimates in its latest Economic Outlook that,if oil prices averaged $22 a barrel for a full year,compared with$13 in 1998,this would increase the oil import bill in rich economies by only 0.25％～0.5%of GDP.That is less than one-quarter of the income loss in 1974 or 1980. On the other hand,oil-importing emerging economies一to which heavy industry has shifted一have become more energy-intensive,and so could be more seriously squeezed.One more reason not to lose sleep over the rise in oil prices is that,unlike the rises in the 1970s,it has not occurred against the background of general commodity-price inflation and global excess demand.A sizable portion of the world is only just emerging from economic decline.The Economist's commodity price index is broadly unchanging from a year ago.In 1973 commodity prices jumped by 70%,and in 1979 by almost 30%.The estimates in Economic Outlook show that in rich countries_______.A:heavy industry becomes more energy-intensiveB:income loss mainly results from fluctuating crude oil pricesC:manufacturing industry has been seriously squeezedD:oil price changes have no significant impact on GDP
共用题干Thirst for OilWorldwide every day,we devour the energy equivalent of about 200 million barrels of oil. Most of the energy on Earth comes from the Sun. In fact enough energy from the Sun hits the planet's surface each minute to cover our needs for an entire year,we just need to find an efficient way to use it. So far the energy in oil has been cheaper and easier to get at. But as supplies dwindle,this will change,and we will need to cure our addiction to oil.Burning wood satisfied most energy needs until the steam-driven industrial revolution,when energy-dense coal became the fuel of choice. Coal is still used,mostly in power sta-tions,to cover one quarter of our energy needs,but its use has been declining since we star-ted pumping up oil. Coal is the least efficient,unhealthiest and most environmentally dama-ging fossil fuel,but could make a comeback,as supplies are still plentiful:its reserves are five times larger than oil's.Today petroleum,a mineral oil obtained from below the surface of the Earth and used to produce petrol,diesel oil and various other chemical substances,provides around 40% of the world's energy needs,mostly fuelling automobiles. The US consumes a quarter of all oil,and generates a similar proportion of greenhouse gas emissions.The majority of oil comes from the Middle East,which has half of known reserves. But other significant sources include Russia,North America,Norway,Venezuela and the North Sea. Alaska's Arctic National Wildlife Refuge could be a major new US source,to reduce reliance on foreign imports.Most experts predict we will exhaust easily accessible reserves within 50 years,though opinions and estimates vary. We could fast reach an energy crisis in the next few decades, when demand exceeds supply. As conventional reserves become more difficult to access,oth-ers such as oil shales and tar sands may be used instead. Petrol could also be obtained from coal.Since we started using fossil fuels,we have released 400 billion tonnes of carbon,and burning the entire reserves could eventually raise world temperatures by 13℃ .Among other horrors,this would result in the destruction of all rainforests and the melting of allArctic ice.What is NOT the result of consuming fossil fuels according to the last paragraph?A: Rainforests will be destroyed.B: Arctic ice will be melted.C: The earth's temperature will be raised.D: The sea level will go up.
共用题干第三篇Oil and EconomyCould the bad old days of economic decline be about to return?Since OPEC agreed to supplycuts in March,the price of crude oil has jumped to almost $26 a barrel,up from less than$10 last December. This near-tripling of oil prices calls up scary memories of the 1973 oil shock,when prices quadrupled,and 1979一1980,when they also almost tripled.Both previous shocks resulted in double-digit inflation and global economic decline.So where are the headlines warning of gloom and doom this time?The oil price was given another push up this week when Iraq suspended oil exports.Strengthening economic growth,at the same time as winter grips the northern hemisphere,could push the price higher still in the short term.Yet there are good reasons to expect the economic consequences now to be less severe than in the l970s.In most countries the cost of crude oil now accounts for a smaller share of the price of petrol than it did in the l970s.In Europe,taxes account for up to four-fifths of the retail price,so even quite big changes in the price of crude have a more muted effect on pump prices than in the past.Rich economies are also less dependent on oil than they were,and so less sensitive to swings in the oil price.Energy conservation,a shift to other fuels and a decline in the importance of heavy, energy-intensive industries have reduced oil consumption.Software,consultancy and mobile telephones use far less oil than steel or car production.For each dollar of GDP(inconstant prices)in rich economies now use nearly 50%less oil than in 1973.The OECD estimates in its latest Economic Outlook that,if oil prices averaged $22 a barrel for a full year,compared with$13 in 1998,this would increase the oil import bill in rich economies by only 0.25％～0.5%of GDP.That is less than one-quarter of the income loss in 1974 or 1980. On the other hand,oil-importing emerging economies一to which heavy industry has shifted一have become more energy-intensive,and so could be more seriously squeezed.One more reason not to lose sleep over the rise in oil prices is that,unlike the rises in the 1970s,it has not occurred against the background of general commodity-price inflation and global excess demand.A sizable portion of the world is only just emerging from economic decline.The Economist's commodity price index is broadly unchanging from a year ago.In 1973 commodity prices jumped by 70%,and in 1979 by almost 30%.From the text we can see that the writer seems_______.A:optimistic B:sensitiveC:gloomy D:scared
共用题干第三篇Oil and EconomyCould the bad old days of economic decline be about to return?Since OPEC agreed to supplycuts in March,the price of crude oil has jumped to almost $26 a barrel,up from less than$10 last December. This near-tripling of oil prices calls up scary memories of the 1973 oil shock,when prices quadrupled,and 1979一1980,when they also almost tripled.Both previous shocks resulted in double-digit inflation and global economic decline.So where are the headlines warning of gloom and doom this time?The oil price was given another push up this week when Iraq suspended oil exports.Strengthening economic growth,at the same time as winter grips the northern hemisphere,could push the price higher still in the short term.Yet there are good reasons to expect the economic consequences now to be less severe than in the l970s.In most countries the cost of crude oil now accounts for a smaller share of the price of petrol than it did in the l970s.In Europe,taxes account for up to four-fifths of the retail price,so even quite big changes in the price of crude have a more muted effect on pump prices than in the past.Rich economies are also less dependent on oil than they were,and so less sensitive to swings in the oil price.Energy conservation,a shift to other fuels and a decline in the importance of heavy, energy-intensive industries have reduced oil consumption.Software,consultancy and mobile telephones use far less oil than steel or car production.For each dollar of GDP(inconstant prices)in rich economies now use nearly 50%less oil than in 1973.The OECD estimates in its latest Economic Outlook that,if oil prices averaged $22 a barrel for a full year,compared with$13 in 1998,this would increase the oil import bill in rich economies by only 0.25％～0.5%of GDP.That is less than one-quarter of the income loss in 1974 or 1980. On the other hand,oil-importing emerging economies一to which heavy industry has shifted一have become more energy-intensive,and so could be more seriously squeezed.One more reason not to lose sleep over the rise in oil prices is that,unlike the rises in the 1970s,it has not occurred against the background of general commodity-price inflation and global excess demand.A sizable portion of the world is only just emerging from economic decline.The Economist's commodity price index is broadly unchanging from a year ago.In 1973 commodity prices jumped by 70%,and in 1979 by almost 30%.The main reason for the latest rise of oil price is_______.A:global inflationB:reduction in supplyC:fast growth in economyD:Iraq's suspension of exports
Passage ThreeWhenyou stretch out in the sun you can do one of the three things:you can use no suntan oil,an ordinary sun tan oil;or Bergasol.If you don′t use any sun tan oil when you′re in the sun,you will burn surprisinglyquickly.If you use an ordinary sun tan oil,you will protectyour skin to a lesser or greater degree.How much protection depends on the"protection-factor number"on the bottle.Some oils block out so manyof the sun′s rays and you can stay in the sun all day without burning but youwon′t go very brown,either.Bergasol will protect your skin like an ordinary sun tan oil.It also has a tan acceleratorthat speeds up the rate at which the sun activates the skin cells that producemelanin(黑色素).It is melanin that gives the skin itsbrown colour.Bergasol enables you to go brown faster,am as the days pass thedifference will become more obvious.Unfortunately,this special formulation isn′tCheap to prepare.So Bergasol is rather more expensive than ordinary sun tanoil.However,the price looks more attractive as you do.Bergasoi?It makes you go brown fasterProtection Many people imagine that"cover-up"means you don′t get a tan.Nothing to show for yourholiday.Not so.With"cover-up",you can get brown if you want to.The point of"cover-up"is to protect your skin from the harmful rays of the sunwhich,according to the experts,make your skinlook older.That′s what Solex Cover-up is allabout--protection for your skin.It has a Sun Protection Factor 8,which makesit suitable for anyone.Find out how it works for you by consulting the SolexSun Chart.On sale wherever Solex is.With Solex Cover-up,you can tan asslowly as you like.As gently as you like.And with much lesschance of peeling.Your tan will lookbetter.Your skin will stay young longer.Solex Gentle tan..,full protectionCompared with Solex,Bergasol__A.helps one go brown more quicklyB.better protects one's skinC.is more competitive in priceD.is a better sun tan oil
Passage ThreeWhenyou stretch out in the sun you can do one of the three things:you can use no suntan oil,an ordinary sun tan oil;or Bergasol.If you don′t use any sun tan oil when you′re in the sun,you will burn surprisinglyquickly.If you use an ordinary sun tan oil,you will protectyour skin to a lesser or greater degree.How much protection depends on the"protection-factor number"on the bottle.Some oils block out so manyof the sun′s rays and you can stay in the sun all day without burning but youwon′t go very brown,either.Bergasol will protect your skin like an ordinary sun tan oil.It also has a tan acceleratorthat speeds up the rate at which the sun activates the skin cells that producemelanin(黑色素).It is melanin that gives the skin itsbrown colour.Bergasol enables you to go brown faster,am as the days pass thedifference will become more obvious.Unfortunately,this special formulation isn′tCheap to prepare.So Bergasol is rather more expensive than ordinary sun tanoil.However,the price looks more attractive as you do.Bergasoi?It makes you go brown fasterProtection Many people imagine that"cover-up"means you don′t get a tan.Nothing to show for yourholiday.Not so.With"cover-up",you can get brown if you want to.The point of"cover-up"is to protect your skin from the harmful rays of the sunwhich,according to the experts,make your skinlook older.That′s what Solex Cover-up is allabout--protection for your skin.It has a Sun Protection Factor 8,which makesit suitable for anyone.Find out how it works for you by consulting the SolexSun Chart.On sale wherever Solex is.With Solex Cover-up,you can tan asslowly as you like.As gently as you like.And with much lesschance of peeling.Your tan will lookbetter.Your skin will stay young longer.Solex Gentle tan..,full protectionWhy is Solex suitable for everyone?A.Its price is more attractive.B.It can be used to relieve sunburn.C.It can make the skin cells more active.D.It has a mild protection factor.
单选题Which of the following is the best version of the ideas conveyed in sentences 1 and 2 (reproduced below)?My parents used to put olives on everything. Salads, pizza, pasta, chicken, even some desserts.A(As it is now)BMy parents used to put olives on every- thing; salads, pizza, pasta, chicken, even some desserts.CMy parents used to put olives on every- thing, salads, pizza, pasta, chicken, even some desserts.DMy parents used to put olives on every- thing: salads, pizza, pasta, chicken, and even some desserts.EMy parents used to put olives on every-thing; including salads, pizza, pasta, chicken, even some desserts.
单选题Terry is having lunch at a salad bar. There are two types of lettuce to choose from, as well as three types of tomatoes, and four types of olives. He must also choose whether or not to hare one of the two types of soup on the side. If Terry has decided to hare the salad and soup combo and he picks one type of lettuce, one type of tomato, and one type of olive for his salad, how many total options does he have for his lunch combo?A9B11C24D48E54
单选题Except as provided for otherwise，an oil tanker might discharge certain amount at certain rate of oil or oily mixtures into sea when（）.Athe tanker is within 50 nautical miles from the nearest landBthe tanker is no more than 50 nautical miles from the nearest landCthe tanker is more than 50 nautical miles from the nearest landDthe tanker is not more than 50 nautical miles from the nearest land
单选题Which of the following, if inserted before sentence 1, would make a good introduction to the essay?AGrowing up as part of a Greek American family that takes its cuisine very seriously, I was exposed heavily to many of the classic Greek foods: olives, feta cheese, and stuffed grape leaves to name a few.BThe olive tree is among the oldest known cultivated trees in the world.CIn the past several hundred years the olive has spread to North and South America, Japan, New Zealand and Australia.DMy experience with olives started when I was very young.EPeople living in the Mediterranean area who use olive oil as their main source of fat have surprisingly low susceptibility to heart disease.
问答题Practice 3 Energy-saving vehicles were part of the Green Transportation Festival in the US in 2003. The vehicles shown were designed to reduce America’s dependence on oil and help the environment. There are exhibits of cars and buses at the festivals. Most of them use little gas or use another kind of fuel such as natural gas. People are also urged to consider simpler ways of getting around, such as walking, biking and using public transportation systems. The United States has less than five per cent of the world’s population, but uses about twenty-five per cent of the world’s oil. More than half of the nation’s oil is imported. Most of it goes to transportation. Festival organizers said progress in technology was making it possible for Americans to reduce their dependence on oil. That is because the kinds of energy-saving vehicles are increasing. Efforts to reduce oil imports in the United States would also have important environmental benefits. The burning of oil as fuel is responsible for gases blamed for climate change. When gasoline is burned in cars, it also pollutes the air. This leads to many health problems.
单选题In context, which of the following is the best version of the underlined portion of sentence 3 (reproduced below)?In those days we used to eat many black olives before they got the high fat content bad name.A(As it is now)BIn those days, before having found the high fat content in black olives, we used to eat many of them.CBefore black olives were considered unhealthy due to high fat content, we ate lots of them.DUntil black olives had a high fat content we used to eat many of them.EBlack olives were consumed in high numbers before the high fat content bad name was given.
单选题Concerning the incinerator’s operation, which of the following is not correct?（）AScavenging time should be more 30 seconds before ignitingBThe temperature of sludge tank is 80~100℃CFirst igniting the incinerator with diesel oil, when the temperature of health is about 600℃, the sludge oil drawn inDThe ash can be dumped into sea when the distance is more than 3 miles from land
单选题When using a fuel with a higher than normal sulfur content in an auxiliary diesel engine, you should（）Amaintain higher than normal jacket water temperatureBchange the lube oil more frequently than normalCmaintain a higher air-box temperature than normalDmaintain a higher air-box pressure than normal