题目内容

【题目】—There were already five people in the car but they managed to take me as well.

—It _______ a comfortable journey.

A. can’t be B. shouldn’t be

C. mustn’t have been D. couldn’t have been

【答案】D

【解析】句意:--车里已经有五个人了,但是他们还设法带着我。--它不可能是一次舒适的旅行。A. can’t be不可能是,是对现在的推测; B. shouldn’t be不应该是,是对现在的推测。根据第一句可知,这里的旅行发生在过去,所以对现在的推测的选项是不正确的,故排除AB;

must have done“一定做过某事表示对过去的推测,不能用于否定句,故排除C;D. couldn’t have been表示对过去的推测过去不可能是”。故选D。

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【题目】As a child, I truly feared the dark. I was also afraid of getting lost and not being liked by others. These fears were very real and caused me some___ moments.

Maybe sometimes the things in my room looked and sounded strange, which made me feel frightened. My mother always kept a small nightlight on for me. There was___ total darkness inside, but a street light or passing car lights made clothes hanging over a chair become the shape __a wild animal. Out of the comer of my window, I saw the curtains (窗帘)seem to move when there was no ___ .A tiny sound would seem a hundred times ___ than in the daytime. My heart would beat fast. All I could do was to ___ still (静止的)in bed so that the “enemy” would not discover me.

Another of my childhood fears was that I would get lost, especially on my way home from school. Every morning I ___ the school bus right near my home. That was no problem. After school, all the buses were lined up along the street, but I was afraid that I would get on the ___ one and be taken to some other strange places. On school trips to a park, I wouldn’t let the leaders out of my sight.

One of the processes (过程)of growing up is being able to ___ our fears. It can help us to deal with our lives when we grow up ____ we understand the things that scared us when we were children.

1A. happy B. dangerous C. relaxing D. uncomfortable

2A. sometimes B. usually C. always D. never

3A. like B. in C. for D. against

4A. sunlight B. rain C. wind D. snow

5A. lower B. louder C. heavier D. lighter

6A. hide B. lay C. spread D. lie

7A. got off B. got on C. got in D. got up

8A. fast B. slow C. wrong D. direct

9A. overcome B. refuse C. support D. avoid

10A. though B. if C. until D. before

【题目】Could smells affect your lifespan? Female fruit flies (果蝇) without the ability to smell food live longer than other fruit flies.The sense of smell may be connected to the cellular ageing (细胞老化) process in many other living things even people.Such connection has recently been found in both worms and flies.For example, scientists found that removing fruit flies' ability to smell made them live nearly 20 percent longer than flies with a sense of smell.

They confirmed that food smells were the ones most likely to affect ageing, as nutrition (营养) and lifespan are known to be connected in many living things.To test the idea that food smells affect lifespan, they removed flies' ability to smell carbon dioxide, which is produced by some fly foods.They left the rest of the smelling system.

This action had no effect on male flies, but the females lived 30 percent longer than normal.Removing the ability to smell CO2 may stop flies getting information about food availability.This could mean that food is not enough, causing processes that encourage

flies to survive.Scientists found that the female flies from stored extra fat and that both males and females immune (免疫) to CO2 were stronger against the stress than normal flies.It is suggested that females may simply be easily influenced by the smells of CO2

Scientists point out that people don't know whether ageing and smell are connected in animals and humans.But they clearly experience physical changes after smelling food.

1From the passage, we learn that what scientists found is to ________.

A. show there is the best way to make lifespan longer

B. tell us we should remove our smell ability to live long

C. show the sense of smell can affect the cellular ageing process

D. explain fruit flies without ability to smell can live longer

2Scientists do some research to prove

A. the immune system of flies to CO2

B. the connections between nutrition and lifespan

C. the importance of food smells to our humans

D. the connections between food smells and lifespan

3According to scientists' opinion, we can see that ________.

A. flies without ability to smell is encouraged to store extra energy

B. male flies in general can live longer than female ones

C. both male and female flies can live longer without the ability to smell

D. flies without ability to smell can also get information about food availability

4Which of the following best describes the passage as a whole?

A. CO2 has few effects on female flies.

B. The sense of smell might have an effect on living things.

C. The sense of smell is necessary to humans' health.

D. Female fruit flies can always live longer than male flies.

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