As we all know, all living things will die without oxygen(氧氣). Oxygen comes from all kinds of plants. Rainforests play the most important part in making oxygen. Besides(除了) making oxygen, rainforests help us in many other ways.

Rainforests take in the heat(熱量) from the sun and this makes the earth cooler. Because the more heat reflects(反射) into the sky, the warmer the other parts of the world will be. That’s the reason why rainforests can control the climate.

Rainforests provide us with a lot of wood. We use wood to make paper and furniture, such as beds, chairs and tables. Also we use wood for building houses to protect us from the sun, the wind and the rain. In most parts of the world, people cook food and keep warm by burning wood.

Rainforests are the world’s drug(藥物) store. More than 25% of the medicine we use today come from plants in rainforests. However, fewer than 1% of rainforest plants have been checked for their medical value(藥用價(jià)值). We believe that our best chance to beat diseases is somewhere in the world’s rainforests. But it’s a pity they are becoming smaller and smaller day by day. I think we should try our best to protect it.

1.All living things .

A.love to live in cool places B.need other living things to live

C.need rain to live and grow D.need oxygen to live on

2.Rainforests make the earth cooler by .

A.making oxygen B.taking in the heat from the sun

C.providing a lot of wood D.reflecting the heat from the sun

3.Rainforests provide the following things except .

A.heat B.wood C.medicine D.oxygen

4.From the passage we can find a fact that .

A.people are burning rainforests every day

B.people are planting more and more trees in rainforests

C.people are destroying(破壞) rainforests seriously

D.people are protecting rainforests voluntarily(自發(fā)地)

5.The writer wants to tell us that .

A.oxygen is important to us B.rainforests are getting less and less

C.why we use wood for building houses D.how important rainforests are

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