单选题()mineral water is there in the bottle?AHow muchBHow littleCHow many

单选题
()mineral water is there in the bottle?
A

How much

B

How little

C

How many


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There is only _______ water in the bottle. ( ) A、 a bitB、 a little ofC、 a bit ofD、 a few

(B)The surprising experiment I am about to describe proves that air is all around you and that it proves down upon you. Air pressure is a wonderful force. When you swim underwater, you can feel water push down your body. The air all around you does the same. However, your body is so used to it that you do not notice this. The pressure is caused by a layer of air called the atmosphere. This layer surrounds the Earth, extending to about five kilometers above the Earth’s surface.The following experiment is an easy one that you can do at home. But make sure that you are supervised, because you will need to use matches. Now foe the experiment!What you need?A hard-boiled egg without the shell?A bottle with a neck slightly smaller than the egg?A piece of paper?A matchMetheod1) Check that the paper will sit firmly on the neck of the bottle.2) Tear the paper into strips and put the strips into the bottle.3) Light the paper by dropping a burning match into the bottle.4) Quickly sit the egg on the neck of the bottle.ResultAstonishingly, the egg will be sucked into the bottle. Your friends will be amazed when you show them the experiment. But be careful when you handle matches.Why it happenedAs the paper burns, it needs oxygen and uses up the oxygen (air) in the bottle. The egg acts as a seal in the neck of the bottle, so no more air can get inside. This reduces the air pressure inside the bottle. The air pressure must equalize, so more air from outside must enter the bottle. The outside air pressure against the egg and then the egg is pushed into the bottle! The proves that air is all around and that it is pressing down on it.60. Why is there the need to take care when you are doing the experiment?A. The bottle could break.B. You need to light the paper with a match.C. The egg needs to be shelled.D. The egg has to be perfectly placed on the neck of the bottle.

How did the egg put into the bottle?A. The oxygen inside the bottle sucked the egg in.B. It became salt without the shell.C. The neck of the bottle was wide enough.D. The outside air pressure forced it into the bottle.

--- Could I have a bottle of water, please?--- ____________.A. Thank you very muchB. Certainly, madamC. See you later

Luckily, there was ____ (冠词)little(一点儿)water in the bottle.

Two mineral water, please.()

I don't need ()mineral water, but l' d like()tea,thanks. A.any , anyB.any , someC.some , some

I don't need ( )mineral water, but I'd like ( )_tea, thanks.A. some,anyB. any,anyC. any,some

Cylinders of marine diesel engines are normally cooled by ___ .A.sea waterB.fine mineral oilC.sanitary waterD.fresh water

共用题干The Drink Your Body Needs MostI Our bodies are estimated to be about 60% to 70% water. Blood is mostly water,andour muscles,lungs,and brain all contain a lot of water. Water is needed to regulate bodytemperature and to provide the means for nutrients(滋养物)to travel to all our organs. Water also transports oxygen to our cells,removes waste,and protects our joints andorgans.2 We lose water through urination(排尿),respiration(呼吸),and by sweating. If youare very active,you lose more water than if you do not take much exercise.Symptoms ofmild dehydration(脱水)include chronic pains in joints and muscles, lower back pain, headaches, and constipation(便秘).A strong smell to your urine, along with a yellowcolor indicates that you are not getting enough water. Thirst is an obvious sign ofdehydration and in fact,you need water long before you feel thirsty.3 A good rule of thumb(好的做法)is to take your bod犷weight in pounds and divide thatnumber in half. That gives you the number of ounces(盎司)of water per day that youneed.For example,if you weigh 160 pounds,you should drink at least 80 ounces of waterper day.If you exercise you should drink another 8-ounce glass of water for every 20minutes you are active.If you drink coffee or alcohol,you should add at least an equalamount of water. When you are traveling on an airplane,it is good to have 8 ounces ofwater for every hour you are on board the plane.4 It may be difficult to drink enough water on a busy day.Be sure you have water handy atall times by keeping a bottle for water with you when you are working,traveling,orexercising.If you get bored with plain water,add a bit of lemon for a touch of flavor.Thereare some brands of flavored water available,but some of them have sugar or artificial sweeteners that you don't need. Paragraph 4__________A:Ounces of water needed per dayB:Importance of waterC:Composition of waterD:Signs of dehydrationE:Supply of waterF:Necessity for bringing a bottle for water with you

共用题干The Drink Your Body Needs MostI Our bodies are estimated to be about 60% to 70% water. Blood is mostly water,andour muscles,lungs,and brain all contain a lot of water. Water is needed to regulate bodytemperature and to provide the means for nutrients(滋养物)to travel to all our organs. Water also transports oxygen to our cells,removes waste,and protects our joints andorgans.2 We lose water through urination(排尿),respiration(呼吸),and by sweating. If youare very active,you lose more water than if you do not take much exercise.Symptoms ofmild dehydration(脱水)include chronic pains in joints and muscles, lower back pain, headaches, and constipation(便秘).A strong smell to your urine, along with a yellowcolor indicates that you are not getting enough water. Thirst is an obvious sign ofdehydration and in fact,you need water long before you feel thirsty.3 A good rule of thumb(好的做法)is to take your bod犷weight in pounds and divide thatnumber in half. That gives you the number of ounces(盎司)of water per day that youneed.For example,if you weigh 160 pounds,you should drink at least 80 ounces of waterper day.If you exercise you should drink another 8-ounce glass of water for every 20minutes you are active.If you drink coffee or alcohol,you should add at least an equalamount of water. When you are traveling on an airplane,it is good to have 8 ounces ofwater for every hour you are on board the plane.4 It may be difficult to drink enough water on a busy day.Be sure you have water handy atall times by keeping a bottle for water with you when you are working,traveling,orexercising.If you get bored with plain water,add a bit of lemon for a touch of flavor.Thereare some brands of flavored water available,but some of them have sugar or artificial sweeteners that you don't need. Dehydration may occur if there is a shortage of water_________.A:in your bodyB:without waterC:before longD:for a changeE:on a busy dayF:to your weight

共用题干The Drink Your Body Needs Most1 Our bodies are estimated to be about 60% to 70% water.Blood is mostly water,and our muscles,lungs,and brain all contain a lot of water.Water is needed to regulate body temperature and to provide the means for nutrients(滋养物)to travel to all our organs. Water also transports oxygen to our cells,removes waste,and protects our joints and organs.2 We lose water through urination(排尿),respiration(呼吸),and by sweating. If you are very active,you lose more water than if you do not take much exercise.Symptoms of mild dehydration(脱水)include chronic pains in joints and muscles , lower back pain, headaches, and constipation(便秘).A strong smell to your urine , along with a yellow color indicates that you are not getting enough water.Thirst is an obvious sign of dehydration and in fact,you need water long before you feel thirsty.3 A good rule of thumb(好的做法)is to take your body weight in pounds and divide that number in half. That gives you the number of ounces(盎司)of water per day that you need.For example,if you weigh 160 pounds,you should drink at least 80 ounces of water per day.If you exercise you should drink another 8-ounce glass of water for every 20 minutes you are active.If you drink coffee or alcohol,you should add at least an equal amount of water.When you are traveling on an airpiane,it is good to have 8 ounces of water for every hour you are on board the plane.4 It may be difficult to drink enough water on a busy day.Be sure you have water handy at all times by keeping a bottle for water with you when you are working,traveling,or exercising.If you get bored with plain water,add a bit of lemon for a touch of flavor.There are some brands of flavored water available,but some of them have sugar or artificialsweeteners that you don't need. One cannot live_______.A:in your bodyB:without waterC:before longD:for a changeE:on a busy dayF:to your weight

共用题干The Drink Your Body Needs Most1. Our bodies are estimated to be about 60%to 70%water. Blood is mostly water, and our mus- dles,lungs and brain all contain a lot of water. Water is needed to regulate body temperature and to provide the means for nutrients(滋养物)to travel to all our organs. Water also transports oxy-gen to our cells,removes waste,and protects our joints and organs.2. We lose water through urination(排尿), respiration(呼吸), and by sweating. If you are very active,you lose more water than if you do not take much exercise.Symptoms of mild dehydration (脱水)include chronic pains in joints and muscles,lower back pain,headaches,and constipation(便秘).A strong smell to your urine,along with a yellow color indicates that you are not getting enough water. Thirst is an obvious sign of dehydration and in fact,you need water long before you feel thirsty.3 .A good rule of thumb(好的做法)is to take your body weight in pounds and divide that num- her in half. That gives you the number of ounces(盎司)of water per day that you need.For ex-ample,if you weigh 160 pounds,you should drink at least 80 ounces of water per day.If you ex- ercise you should drink another 8-ounce glass of water for every 20 minutes you are active.If you drink coffee or alcohol,you should add at least an equal amount of water. When you are traveling on an airplane,it is good to have 8 ounces of water for every hour you are on board the plane.4 .It may be difficult to drink enough water on a busy day.Be sure you have water handy at all times by keeping a bottle for water with you when you are working,traveling,or exercising. If you get bored with plain water,add a bit of lemon for a touch of flavor. There are some brands of fla-vored water available,but some of them have sugar or artificial sweeteners that you don't need. Paragraph 1________A: Ounces of water needed per dayB:.Importance of waterC: Composition of waterD: Signs of dehydrationE: Supply of waterF: Necessity for bringing a bottle for water

Some villagers were going to celebrate an important wine festival(酒宴)in a few days′time,so?they borrowed a huge barrel from the nearest town,put it in the village square,and decided that each?of them should empty a bottle of the best wine he had into it,so that there should be plenty at the?feast(宴会).One of the villagers thought he would be very clever."If I pour a bottle of water in,instead of?wine,no one will notice it,"he said to himself,"because there will be so much excellent wine in the?barrel that?the water will be lost in it."The night of the feast arrived.Everybody gathered in the village square with their bowls and?their glasses for the wine.The tap(塞子)on the barrel was opened,but what came out was pure?water.Everyone in the village had had the same idea.One of the villagers poured a bottle of water into the barrel because__________.A.the wine in the barrel was too thickB.the others put water into it tooC.he was cleverer than the othersD.he tried to cheat the others

Some villagers were going to celebrate an important wine festival(酒宴)in a few days′time,so?they borrowed a huge barrel from the nearest town,put it in the village square,and decided that each?of them should empty a bottle of the best wine he had into it,so that there should be plenty at the?feast(宴会).One of the villagers thought he would be very clever."If I pour a bottle of water in,instead of?wine,no one will notice it,"he said to himself,"because there will be so much excellent wine in the?barrel that?the water will be lost in it."The night of the feast arrived.Everybody gathered in the village square with their bowls and?their glasses for the wine.The tap(塞子)on the barrel was opened,but what came out was pure?water.Everyone in the village had had the same idea.The underlined sentence"the water will be lost in it"can be considered as__________.A.the water would be gone in the barrelB.the water couldn't be found in the wineC.the water would flow through the barrel into the groundD.the water would be mixed up with the wine

Some villagers were going to celebrate an important wine festival(酒宴)in a few days′time,so?they borrowed a huge barrel from the nearest town,put it in the village square,and decided that each?of them should empty a bottle of the best wine he had into it,so that there should be plenty at the?feast(宴会).One of the villagers thought he would be very clever."If I pour a bottle of water in,instead of?wine,no one will notice it,"he said to himself,"because there will be so much excellent wine in the?barrel that?the water will be lost in it."The night of the feast arrived.Everybody gathered in the village square with their bowls and?their glasses for the wine.The tap(塞子)on the barrel was opened,but what came out was pure?water.Everyone in the village had had the same idea.The villagers borrowed a huge barrel in order to__________.A.hold waterB.hold wineC.take the place of wine bottleD.empty bottles

()mineral water is there in the bottle?AHow muchBHow littleCHow many

()mineral water is there in the bottle?A、How muchB、How littleC、How many

矿物(mineral)

矿质营养学说 theory of mineral nutrition

遗传瓶颈(Genetic bottle neck)

英译中(Translate):mineral element()

单选题How is the external flotation bladder of an immersion suit inflated?()AIt is inflated by a small CO2 bottle that is automatically tripped when the front zipper is at the top of the zipper trackBIt is inflated by a small CO2 bottle that is manually trippedCIt is inflated by blowing through an inflation tubeDIt inflates by sea water bleeding into the flotation bladder and reacting with a chemical therein

单选题Cylinders of marine diesel engines are normally cooled by ().Asea waterBfine mineral oilCsanitary waterDfresh water

单选题What does blowing tubes accomplish?()AEliminates unburned fuel oil residues from the fireboxBIncreases boiler efficiencyCFlushes away mineral deposits inside the water tubesDCleans soot deposits from the inside of the stack

单选题()mineral water is there in the bottle?AHow muchBHow littleCHow many

填空题英译中(Translate):mineral element()

单选题According to Ban the Bottle, drinking bottled water costs _____dollars per year.A8B20C49D1400