1. 阅读理解

   Do you know the way of using wind power to make electricity? There aremany advantages (优点) of using wind to make electricity. Here're some of them.

   First, it may be one of the cheapest ways to make electricity. Second,it can make and store hydrogen gas (氢气). The most important one is that itwon't pollute the environment. Besides, the wind power can be reused.

   But large wind farms might kill birds too, because the birds always flyinto the wind turbine (风力涡轮机). Scientists are looking for ways to stop them.

    Experts said that by the middle of the 21stcentury wind power could supply (供应) more than 10% of the world's electricity. The wind really helps usa lot.

1. （1） This passage is mainly about__________.

   A . wind B . using wind power to make electricity C . wind power experts D . the use of electricity
3. （2） The writer tells __________advantage (s) of using wind to make electricity.

   A . one B . two C . three D . four
5. （3） What is the meaning of the underlined word "reused"?

   A . Sold again. B . Returned. C . Used again. D . Changed again.
7. （4） By the year of__________ wind power can supply more than 10% of the world's electricity.

   A . 1950 B . 2050 C . 2150 D . 2190
9. （5） Which of the following is NOT true?

   A . The wind power can be reused. B . Experts agree to use the wind to make electricity. C . Using wind to make electricity doesn't bring bad things. D . The wind is very useful to us.