题目内容

We should not _______ small mistakes, or they might lead to big accidents.

A. hurt B. ignore

C. recover D. dislike

 

B

【解析】考查动词辨析。“千里之堤毁于蚁穴。”,我们不能“忽略”小的错误,否则这些错误可能导致大的事故。A. hurt“伤害”; B. ignore“忽略”; C. recover“恢复”; D. dislike“讨厌”,根据句意正确答案为B.

考点:动词辨析

 

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In the 1960s Professor Bolin predicted (预测) that the “greenhouse effect”, caused by an increase in the amount of carbon dioxide (CO2) in the atmosphere, would lead to important changes in the Earth’s climate. At the time his prediction were regarded as science fiction. But it is now gradually agreed that the amount of carbon dioxide in the atmosphere will double from 0.03% to 0.06% in the next 50 years and that temperatures worldwide will rise by 2°C.

Although a temperature rise of 2° may not seem significant, the local effects may be much greater: in polar regions a rise of 10° by 2025 is expected and in Northern Europe a rise of 4°. Indeed the first effects were expected to be felt before the end of the 20th century.

But how does the “greenhouse effect” operate and why should such a tiny proportion (比例) of CO2 have such a harmful effect? When living creatures breathe out or when things are burned, CO2 enters the atmosphere. Until recently all of this was absorbed by plants, which converted (转化) it back into oxygen.

However, the balance of nature has been disturbed. In power stations, in factories and in our cars, we are burning more and more fossil fuels (coal, oil and natural gas) and this produces huge quantities of CO2—18 billion tons of it enter the atmosphere every year. Added to this, the destruction of forests means that less CO2 can be converted into oxygen by plants. So, the amount of CO2 in the atmosphere is increasing every year.

1.Which of the following statements is true according to the passage?

A. Only a small portion of the atmosphere consists of carbon dioxide.

B. Professor Bolin’s predictions were taken seriously in the first place.

C. No changes in climate will become noticeable for 50 years or more.

D. The rise in temperature will probably be 2 degrees in every part of the world.

2.The amount of CO2 in the atmosphere is increasing every year because .

A. Carbon dioxide is produced when we breathe.

B. Carbon dioxide is produced when we burn things.

C. More forests are destroyed and more fossil fuels are burned.

D. The global temperature keeps rising.

3.The underlined word “operate” in the third paragraph most probably means “ ”.

A. play B. move

C. manage D. function

 

My father brought home a sailboat (帆船) when I was ten, and almost each Sunday in summers we would go sailing. Dad was quite skilled in sailing, but not good at . As for me, I learned both before twelve because of living close to Lake Ontario.

The last time Dad and I set sail together is really . It was a perfect weekend after I graduated from university. I came home and Dad to go sailing. Out we set soon on the lake. Dad hadn’t sailed for years, but everything well with the tiller(舵柄)in his hands.

When we were in the middle of the lake, a wind came all of a sudden. The boat was hit hard. Dad was always at his best in any , but at this moment he was .

“John! !” he shouted in a trembling voice, with the tiller still in his hands.

In my memory he could fix any problem. He was the one I always for power and safety . Before I could respond, a of water got into the boat. I rushed to the tiller it was too late. Another huge wall of water the boat in a minute. We were thrown into the water, and Dad was struggling aimlessly. At that moment, I felt strongly protective of him.

I swam to Dad and helped him in climbing onto the hull(船壳)of the boat. On sitting on the hull, Dad was a little shy about his flash(瞬间) of . “It’s all right, Dad. We are safe now,” I comforted him.

That was the first time Dad had depended on me in a moment of danger. More importantly, I found it was my turn to start looking out for my father.

1.A. boating B. running C. swimming D. teaching

2.A. unforgivable B. unforgettable C. cheerful D. thankful

3.A. sent B. ordered C. invited D. allowed

4.A. calm B. icy C. stormy D. thundery

5.A. finished B. went C. seemed D. sounded

6.A. strong B. gentle C. cold D. hot

7.A. danger B. place C. sport D. job

8.A. suffered B. fell C. frightened D. moved

9.A. look B. Help C. Run D. Jump

10.A. turned to B. lived with C. argued with D. came to

11.A. basin B. river C. shower D. wave

12.A. if B. for C. after D. but

13.A. got through B. poured into C. turned over D. lifted up

14.A. hopelessly B. quickly C. slowly D. helplessly

15.A. pain B. anger C. fear D. shame

 

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