问题 选择题

We can never expect________bluer sky unless we create________less polluted world.

A.a; a   

B.a; the

C.the; a

D.the; the

答案

答案:A

题目分析:考查冠词。第一空a泛指一个更为湛蓝的天空,第二空也是表示泛指,指一个更受污染的世界。故A正确。

点评:冠词的考查集中在定冠词the表示特指,不定冠词a/an表示泛指;以及冠词的一些特殊用法和固定词组,还有一些不使用冠词的情况,如抽象名词,物质名词前面就不要冠词。

阅读理解

阅读理解。

     Our world has been for many year and throughout all those years we have used the sun for energy

needs. So why not use the energy to our homes or our cars?Many scientists have changed forms of

energy called "Green Energy". Green power is the solution to creating a cleaner,sustainable energy

system. Renewable (可重复的)energy—from the sun,wind ,plants and moving water—is a natural way

to meet our energy needs and protect the environment.

    Solar (太阳的) energy is a very useful resource today. 80% of the energy we use comes from fossil

fuels (化石燃料) and about 1 % comes from solar energy. Fossil fuels are nonrenewable,that means

that they are used up faster than they could be replaced. Also fossil fuels are limited and cause pollution.

They are the primary cause for air pollution that causes acid rain (酸雨) and global warming. The good

thing about solar energy is that it is renewable because it is always replaced. Also solar energy does not

pollute the environment.

     The energy problem is an important problem in the United States. Solar energy can help solve this

problem. But the cost is far too great.

1. The underlined word "natural"  means _______ in Chinese.

A. 有用的

B. 有趣的

C. 自然的

D. 健康的

2. There is _______ of the energy we use coining from the sun.

A. 80%

B. 1%

C. 81%

D. 79%

3. _______ can make much pollution.

A. Wind energy

B. Green energy

C. Solar energy      

D. Fossil fuels

4. What is NOT TRUE about the solar energy? 

A. Solar energy is a very useful energy.

B. Solar energy is renewable and replaced.

C. Solar energy can pollute the environment.

D. Solar energy can help solve energy problem in America.

5. Which is the best title for the passage?

A. Solar Energy

B. Fossil Fuels

C. Our World's Energy

D. Energy Problem

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