_____ A.For example, the people in men's dreams are often other men, and the dreams often involve fighting. B.Men and women dream about different things. C.A criminal, for example, might dream about crime. D.However, one thing they agree on this: If you dream that something terrible is going to occur, you shouldn't panic. E.It was only in the twentieth century that people started to study dreams in a scientific way. F.He thought people could learn more about themselves by thinking about their dreams.
_____
A.For example, the people in men's dreams are often other men, and the dreams often involve fighting.
B.Men and women dream about different things.
C.A criminal, for example, might dream about crime.
D.However, one thing they agree on this: If you dream that something terrible is going to occur, you shouldn't panic.
E.It was only in the twentieth century that people started to study dreams in a scientific way.
F.He thought people could learn more about themselves by thinking about their dreams.
A.For example, the people in men's dreams are often other men, and the dreams often involve fighting.
B.Men and women dream about different things.
C.A criminal, for example, might dream about crime.
D.However, one thing they agree on this: If you dream that something terrible is going to occur, you shouldn't panic.
E.It was only in the twentieth century that people started to study dreams in a scientific way.
F.He thought people could learn more about themselves by thinking about their dreams.
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共用题干第二篇Energy and Public LandsThe United States boasts substantial energy resources.Federal lands provide a good deal of US energy production,the US Department of the Interior manages federal energy leasing（租赁）,both on land and on the offshore Outer Continental Shelf. Production from these sources amounts to nearly 30 percent of total annual US energy production.In 2000,32 percent of US oil,35 percent of natural gas,and 37 percent of coal were produced from federal lands,representing 20,000 producing oil and gas leases and 135 producing coal leases.Federal lands are also estimated to contain approximately 68 percent of all undiscovered US oil reserves and 74 percent of undiscovered natural gas.Revenues from federal oil,gas,and coal leasing provide significant returns to US taxpayers as well as State Government.In 1999,for example,$553 million in oil and gas revenues were paid to the US Treasury, and non-Indian coal leases accounted for over $304 million in revenues,of which 50 percent were paid to State governments.Public lands also play a critical role in energy delivery.Each year,federal land managers authorize rights of way for transmission lines,rail systems,pipelines,and other facilities related to energy production and use.Alternative energy production from federal lands falls behind conventional energy production,though the amount is still significant. For example , federal geothermal（地热）resources produce about 7. 5 billion kilowatt-hours（千瓦时）of electricity per year , 47 percent of all electricity generated from US geothermal energy.There are 2,960 wind turbines on public lands in California alone,producing electricity for about 300 ,000 people. Federal hydropower（水电）facilities produce about 17 percent of all hydropower produced in the United States.Because of the growing US thirst for energy and increasing public unease with dependence on foreign oil sources,pressure on public lands to meet US energy demand is becoming more intense.Public lands are available for energy development only after they have been evaluated through the land use planning process. If development of energy resources conflicts with management or use of other resources,development restric-tions or impact moderation measures may be enforced,or mineral production may be banned altogether. Public lands can be used for energy development when_________________.A:energy development restrictions are effectiveB:federal land managers grant permissionsC:they go through the land use planning processD:there is enough federal budget
共用题干Electromagnetic Energy1 White light seems to be a combination of all colors.The energy that comes from a source of light is not limited to the kind of energy you can see.Heat is given off by a flame or an electric light.On a cloudy day it is possible to get a sunburn even though you feel cool.Visible light and the kinds of energy that produce warmth and sunburn are examples of electromagnetic energy.2 The sun is 93 million miles from the earth.Yet we can use energy from the sun because electromagnetic energy travels through space.3 Many other kinds of energy are also types of electromagnetic energy.Radio,television,and radar signals travel from transmitters to receivers as low-energy electromagnetic waves.Infrared（红外线的）radiation is an electromagnetic wave.When it is absorbed by matter,heat is produced.Waves of infrared and visible light have more energy than waves of radio,television,or radar.Ultraviolet rays（紫外线）and X-rays are electromagnetic waves with even greater amounts of energy.Infrared radiation is used in cooking food and heating buildings. Sunlight and electric lights are part of our requirements for normal living.Ultraviolet radiation is useful in killing certain disease organisms.X-rays and gamma rays have so much energy that they travel through solid objects. They can be used to detect and treat cancer.X-rays are used in industry to find hidden cracks in metal,and in medicine to reveal broken bones.4 Usually we use electricity to generate electromagnetic energy.The source of most of our energy is the sun.Heat from the sun causes water to evaporate.When the water falls to the earth as rain,some of it is trapped behind dams and then used to operate electric generators.Other generators are powered by coal,but the energy stored in coal came from the sun,too.5 Until recently,the source of the tremendous amount of energy given off by the sun was a puzzle.If the sun depended on chemical reactions,it would have used up all its energy long ago.Experiments with electromagnetic radiation led to the theory that mass can be converted into energy.About forty years after the theory was proposed , nuclear energy was harnessed（利用）by man.Chemical energy comes from electron （电子）rearrangement.Nuclear energy comes from a change in the nucleus of an atom.Compared with chemical reactions,nuclear reactions release millions of times more energy per pound of fuel.We now believe that the sun's energy comes from the nuclear reactions in which hydrogen is changed into helium（氦）.6 Nuclear energy is beginning to compete with coal as an economical source of'power to generate electricity.It is also being used to operate engines in large ships.Scientists continue to seek new and better methods of obtaining and using energy.One can get a sunburn even______.A:when it is absorbed by matterB:when it is cloudyC:because they can pass through solid objectsD:when the sunrays are fierce.E:when a change in the nucleus of an atom takes placeF:when electron rearrangement takes place
共用题干Narrow EscapeWe had left the hut too late that morning. When we stepped outside,the sky beyond the mountains to our east was already livid with colour. It meant the day would be a hot one,and the warmth would loosen rocks that were gripped by ice.As soon as we stepped out on to the face,it became obvious this was going to be an awkward route. The main problem was talus,the debris that collects on mountainsides. Talus is despised by mountaineers for two reasons. First,because it can easily be pushed off on to you by people climbing above. And second,because it makes every step you take insecure.For about 30 minutes we moved steadily up the face. The rock was in poor condition, shattered horizontally and mazed with cracks. When I tried to haul myself up on a block of it,it would pull out towards me,like a drawer opening. My hands became progressively wetter and colder. Then came a shout.“Cailloux!Cailloux!”I heard yelled from above,in a female voice. The words echoed down towards us. I looked up to see where they had come from.There were just two rocks at first,leaping and bounding down the face towards us,once cannoning off each other in mid-air. And then the air above suddenly seemed alive with falling rocks,humming through the air and filling it with noise. Crack,went each one as it leapt off the rock face,then hum-hum-hum as it moved through the air,then crack again. The pause between the cracks lengthened each time,as the rocks gained momentum and jumped further and further. I continued to gaze up at the rocks as they fell and skipped towards me. A boy who had been a few years above me at school had taught me never to look up during a rock fall.“Why?Because a rock in your face is far less pleasant than a rock on your helmet,”he told us.“Face in,always face in.”I heard Toby,my partner on the mountain that day,shouting at me. I looked across. He was safe beneath an overhanging canopy of rock. I could not understand him. Then I felt a thump,and was tugged backwards and round,as though somebody had clamped a heavy hand on my shoulder and turned me to face them. A rock had hit the lid of my rucksack.I looked up again. A rock was heading down straight towards me. Instinctively,I leant backwards and arched my back out from the rock to try to protect my chest. What about my fingers,though,I thought:they'll be crushed flat if it hits them,and I'll never get down. Then I heard a crack directly in front of me,and a tug at my trousers,and a yell from Toby. “Are you all right?That went straight through you.”The rock had pitched in front of me, and passed through the hoop of my body,between my legs,missing me but snatching at my clothing as it went.Toby and I had spent the evening talking through the events of the morning:What if the big final stone hadn't leapt sideways,what if I'd been knocked off,would you have held me, would I have pulled you off?A more experienced mountaineer would probably have thought nothing of it.I knew I would not forget it.What is sarcastic in the words of the boy in paragraph four? A:He didn't keep his“face in”.B: Not every climber wears a helmet.C: It is very difficult not to look up during a rockfall.D: Being hit by a rock isn't“pleasant”at all.
共用题干When Our Eyes Serve Our StomachOur senses aren't just delivering a strict view of what's going on in the world;they're af-fected by what's going on in our heads. A new study finds that hungry people see food-related words more clearly than people who'ye just eaten.Psychologists have known for decades that what's going on,inside our head affects our senses. For example,poorer children think coins are larger than they are,and hungry people think pictures of food are brighter. Remi Radel of University of Nice Sophia-Antipolis,France,wanted to investi-gate how this happens. Does it happen right away as the brain receives signals from the eyes or a lit-tle later as the brain's high-level thinking processes get involved.Radel recruited 42 students with a normal body mass index. On the day of his or her test,each student was told to arrive at the lab at noon after three or four hours of not eating. Then they were told there was a delay. Some were told to come back in 10 minutes;others were given an hour to get lunch first. So half the students were hungry when they did the ex-periment and the other half had just eaten.For the experiment,the participant looked at a computer screen. One by one,80 words flashed on the screen for about 1/300th of a second each. They flashed at so small a size thatthe students could only consciously perceive. A quarter of the words were food-related. After each word,each person was asked how bright the word was and asked to choose which of two words they'd seen一a food-related word like cake or a neutral word like boat. Each word ap-peared too briefly for the participant to really read it.Hungry people saw the food-related words as brighter and were better at identifying food-related words. Because the word appeared too quickly for them to be reliably seen,this means that the difference is in perception,not in thinking processes,Radel says.“This is something great to me. Humans can really perceive what they need or what they strive for. From the experiment,I know that our brain can really be at the disposal of our mo-tives and needs,”Radel says.Radel's experiment discovered that hungry people______.A: were more sensitive to food-related words than stomach-full peopleB: were better at identifying neutral wordsC: were always thinking of food-related wordsD: saw every word more clearly than stomach-full people
共用题干Farmers' MarketsCharlotte Hollins knows she faces a battle. The 23-year-old British farmer and her 21- year-old brother Ben are fighting to save the farm from developers that their father worked on since he was 14._________(1)"You don't often get a day off.Supermarkets put a lot of pressure on farmers to keep prices down.With fewer people working on farms it can be isolating,"she said."There is a high rate of suicide and farming will never make you rich!"Oliver Robinson,25,grew up on a farm in Yorkshire._________(2)"I'm sure dad hoped I'd stay,"he said. "I guess it's a nice,straightforward life,but it doesn't appeal. For young,ambitious people,farm life would be a hard world."For Robinson,farming doesn't offer much"in terms of money or lifestyle."Hollins agrees that economics stops people from pursuing farming rewards:"providing for a vital human need,while working outdoors with nature."Farming is a big political issue in the UK._________(3)The 2001 foot and mouth crisis closed thousands of farms,stopped meat exports,and raised public consciousness of troubles in UK farming.Jamie Oliver's 2005 campaign to get children to eat healthily also highlighted the issue. This national concern spells（带来）hope for farmers competing with powerful supermarkets. _________(4)"I started going to Farmers' Markets in direct defiance（蔑视）of the big supermarkets. _________(5)It's terrible,"said Londoner Michael Samson._________（5）A:But he never considered staying on his father and grandfather's land.B:While most people buy food from the big supermarkets,hundreds of independent Farmers' Markets are becoming popular.C:While confident they will succeed,she lists farming's many challenges:D:Young people prefer to live in cities.E:I seriously objected to the super-sizing of everything一what exactly DO they put on our apples to make them so big and red?F:"Buy British" campaigns urge（鼓励）consumers not to buy cheaper imported foods.