A lot of people think that wind power is new, but that\'s not true. For 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.
【1】Why DON\'T new windmills kill birds? Because ________.
A.birds don\'t fly near them B.they are shorter than old windmills
C.they spin slowly D.new windmills don\'t spin
【2】When did people start using wind power?
A.Over 1,000 years ago. B.About 500 years ago.
C.About 80 years ago. D.About 25 years ago.
【3】________, so we CAN\'T use wind power all the time.
A.We can\'t use windmills at night B.Windmills break all the time
C.Wind doesn\'t blow all the time D.Windmills are too expensive to use all the time
【4】What does the passage say about wind power?
A.Most people don\'t like it. B.Denmark doesn\'t use it.
C.It\'s getting more expensive. D.It\'s getting cheaper.
【5】What is the best title for the passage?
A.Dangerous Birds B.Popular and Clean Wind Power
C.Cheap and Clean Energy D.Expensive Windmills参考答案与解析
【答案】
【1】C
【2】A
【3】C
【4】D
【5】B
【解析】
文章大意：本文主要介绍风力发电的情况，包括它的优点和缺点。
【1】细节理解题。根据文中New windmills spin slowly, and they aren\'t dangerous for birds. 新的风车旋转得很慢，它们对鸟类没有危险可知，故答案为C。
【2】细节理解题。根据文中For thousands of years, people have used wind to sail boats and move water. 人们使用风来驱动轮船，运送水，已经有几千年了可知，人们使用风力已经不止1000年了，故答案为A。
【3】细节理解题。根据文中Also, wind doesn\'t blow all the time, so we can\'t use wind power all the time. 并不总是一直刮风，所以我们不能总是使用风力可知，答案为C。
【4】细节理解题。根据文中Most people think that we should use it more and more多数人认为我们应该越来越多地使用风力可知，A错误；Wind power gives Denmark more than 25 percent of its electricity丹麦电力的25%以上是由风力提供的可知，B错误；Also, wind power is cheap, and it\'s getting even cheaper而且风力很便宜，并且它正变得更加便宜可知，C错误；Also, wind power is cheap, and it\'s getting even cheaper而且风力很便宜，并且它正变得更加便宜可知，D正确，故答案为D。
【5】最佳标题。根据文章开头Wind power is a very clean source of energy. 风能是非常清洁的能源和最后一段Wind power is becoming more and more common. Right now, more than 80 countries use wind power. 风力发电正变得越来越普遍，目前有80多个国家使用风力发电可知，标题应为“普遍和清洁的风电”，故答案为B。
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