A man bought a donkey at the market one day and took him home. Now the man owned several donkeys already and he knew each one’s character very well. One of the donkeys was very strong and brave. Another always wanted to make people happy by working quickly but soon got tired. One donkey was very lazy. He hated going to work in the morning and he did as little as he       possibly could all day long. When the other animals were being loaded up(装载), he always tried to be the last so that he would get the lightest load.
The man led the new donkey into the yard. For a moment the new donkey stood sniffing(闻，嗅) at his new friends. Then, without hesitation, he came up to the lazy donkey and began eating comfortably at his side.
Though it was late in the day, the man immediately led the new donkey out of the yard, straight back to the market.
“You can’t have given him a fair trial yet,” said the seller, “It is only ten minutes since you bought him.”
“I don’t need to try him any more,” replied the man, “I know just what he is like from the friend he chose for himself. Take him away and give me my money back. I can do without donkeys like him.”
【小题1】Why did the man buy a new donkey in the market?

Since the first Earth Day started on April 22, 1970, people around the world have been encouraged to protect the environment and natural resources．Gaylord Nelson started this holiday．On the first Earth Day， 20 million people took part in Earth Day events．

Earth Day activities can include learning something about technology like cars that are more environmentally friendly and special houses that save energy and water．An organization called the Earth Day Network encourages people to use clean energy which doesn’t pollute the environment．Most of our energy comes from fossil fuels (化石燃料) that are found underground． Coal， oil and natural gas are examples of fossil fuels．Fossil fuels come from plants and animals that lived millions of years ago． Burning fossil fuels to create energy pollutes the air and water． Many scientists think that burning fossil fuels also increases the temperature of the earth． To reduce the use of fossil fuels． scientists are experimenting with hydrogen-powered (氢化发动的) cars． These cars don’t pollute the air like gas-powered cars．

Some scientists guess that by 2025, fossil fuels will run out．When people can no longer use gasoline， they may use fuel cells instead． Fuel cells use hydrogen to create energy． People do not need to worry about hydrogen running out， because it is renewable and replaceable．

In Washington， D.C.， a few people drive cars that run on fuel cells． When these cars need more energy, drivers can go to a hydrogen pump．The first hydrogen pump for the public opened in November 2004， marking an important step toward a cleaner environment．

1.what can we learn from the passage?

A．Fossil fuels don’t pollute the air．

B．Hydrogen-powered cars make less pollution．

C．Many drivers are driving hydrogen-powered cars．

D．We can find many hydrogen pumps in the USA．

2.How long may people still be able to use fossil fuels?

A．Twenty years． B．Over thirty-eight years．

C．More than ten years． D．About seventeen years．

3.Which of the following is not mentioned?

A．Scientists are producing more hydrogen-powered cars．

B．Some people drive fuel-cell cars in Washington．

C．Fossil fuels come from plants and animals．

D．We can learn about environmentally friendly technology from Earth Day activities．

4.When do fossil fuels pollute the air?

A．When we use them to create gasoline．

B．When people get them from the underground．

C．After being burned to get energy．

D．After getting them from a hydrogen pump．

5.Because hydrogen is renewable， we don’t need to worry that ________．

A．it will be used up B．it can be used for creating energy

C．it will pollute the environment D．it will be cleaner

A kind of little cars may take the place of today’s big ones many years later. If everyone drives such cars in the future, there will be less pollution in the air. There will also be more space for parking in cities, and the streets will be less crowded.

The little cars of the future will cost less. Driving will be safer, too, since these little cars can go only 65 kilometers an hour. The cars of the future will be fine for going around a city, but they will not be useful for a long way. Little cars will go 450 kilometers before they need to stop for more gasoline (汽油). If big cars are still used with the small ones, two kinds of roads will be needed in the future. Some roads will be needed for the big, faster cars and other roads will be needed for the small, slower ones.

根据短文内容，选择正确答案。

1.There is much pollution in the air today because _____.

A.people drive big cars

B.people drive little cars

C.small cars will go 450 kilometers before they need to stop for more gasoline

D.the usual size of cars today is too small

2.The usual size of cars today is _____.

A.much smaller than the future one B.as big as the future ones

C.as small as the future ones D.bigger than the future ones

3.Which of the following statements (陈述) is NOT true?

A.Big cars cost more.

B.Big cars are not useful for a long way.

C.The cars of the future will be smaller than today’s cars.

D.Small cars are slower than big ones.

4.The streets will be less crowded because _____.

A.there will be fewer cars in the future

B.there will be fewer people in the streets

C.three kinds of roads will be built

D.future cars will be smaller

5.Two kinds of roads will be needed in the future because _____.

A.there will be too many cars in the future

B.more and more people will go to cities

C.big cars run faster and little cars run slower

D.it looks more beautiful to have two kinds of roads