Windpowerisaverycleansourceofenergy.Thisishowwindpowerw...

问题详情：

Wind power is a very clean source of energy. This is how wind power works. Wind makes windmills spin (旋转). When the windmills spin, they make electricity. Then we can use the electricity.A lot of people think that wind power is new, but that’s not thousands of years, people have used wind to sail boats and move water. We still do those things today, but these days we mostly use wind power to make electricity.

Wind power is a very popular source of energy. Most people think that we should use it more and more. First of all, it’s clean. Windmills don’t pollute the environment at all. Second, we can use wind power forever. After all, we will always have wind. Also, wind power is cheap, and it’s getting even cheaper.

A lot of people don’t understand wind power very well. They believe that there are problems with wind power, but many of those problems are not real. For example, some people say that windmills are dangerous for birds. They used to be true, but it isn’t true anymore. Old windmills killed birds because they spun very fast. New windmills spin slowly, and they aren’t dangerous for birds.

However, there are real problems with windmills. One problem is that many people think windmills are very ugly. This is a problem for people, because windmills are often in very pretty areas. Also, wind doesn’t blow all the time, so we can’t use wind power all the time. Finally, windmills are noisy.

Wind power is becoming more and more common. Right now, more than 80 countries use wind power. About 2.5 percent of the world’s power comes from the wind. For some countries, that number is a lot higher. Wind power gives Denmark more than 25 percent of its electricity.

31. Why DON’T new windmills kill birds? Because                         .

A. birds don’t fly near them                 B. they spin slowly

C. they are shorter than old windmills        D. new windmills don’t spin

32. When did people start using wind power?

A. About 25 years ago.                        B. About 80 years ago.

C. About 500 years ago.                       D. Over 1,000 years ago.

33.                         , so we CAN’T use wind power all the time.

A. Windmills break all the time               B. We can’t use windmills at night

C. Windmills are too expensive to use all the time  D. Wind doesn’t blow all the time

34. What does the article say about wind power?

A. Most people don’t like it.                B. It’s getting cheaper.

C. Denmark doesn’t use it.                   D. It’s getting more expensive.

35. What is the best title for the passage?

A. Expensive Windmills                        B. Cheap and Clean Energy

C. Popular and Clean Wind Power               D. Dangerous Birds

【回答】

31.B

【解析】细节理解题。根据第三段中的句子“Old windmills killed birds because they spun very fast. New windmills spin slowly, and they aren’t dangerous for birds.” 旧风车杀死鸟是因为它们旋转得很快。新的风车旋转缓慢，对鸟类来说并不危险。故*为B。

32.D

【解析】细节理解题。根据第一段中的句子“For thousands of years, people have used wind to sail boats and move water.”几千年来，人们借助风帆来航行和通过风车来灌溉。因此借助风力至少有一千多年的历史，只有D选项符合题意。

33.D

【解析】细节理解题。根据倒数第二段中的句子“Also, wind doesn’t blow all the time, so we can’t use wind power all the time.”风不会一直吹，所以我们不能一直使用风力。故*为D。

34.B

【解析】细节理解题。根据第二段中的句子“Wind power is a very popular source of energy.”可知，风能是一种非常流行的能源，A选项错误；根据第二段中的句子“Also, wind power is cheap, and it’s getting even cheaper.”可知风能很便宜，而且越来越便宜。B选项正确，D选项错误；根据最后一句“Wind power gives Denmark more than 25 percent of its electricity.”风力发电为丹麦提供了超过25%的电力。C选项错误。故*选B。

35.C

【解析】标题归纳题。短文介绍了人类对风能的利用。风能是一种非常清洁的能源，也是一种非常流行的能源。故*为C。

知识点：科普环保类

题型：阅读理解