【題目】

A. destroy B. medicines C. depends on D. machines E. control

Rainforest also help to 【1】 the weather. When trees are cut down, it gets hotter. Besides, one quarter of our 【2】 come from plants. Many of these plants can be found only in rainforests. There is a lot that we have not learnt about rainforests. If we 【3】 them, we will never find out.

In my opinion, our future 【4】 saving the rainforests. We must tell more people how important rainforests are so that they will stop doing harm to them. We must protect the rainforests now. We have to act now to save our only home.

【答案】

【1】E

【2】B

【3】A

【4】C

【解析】

試題分析：這篇短文承接上文繼續(xù)描述了雨林對(duì)人類的重要性，再次強(qiáng)調(diào)我們必須保護(hù)雨林，必須馬上行動(dòng)起來(lái)保護(hù)我們唯一的家園。

【1】E句意：雨林也有助于調(diào)控天氣。根據(jù)后文當(dāng)樹木被砍伐，天氣就變的更熱，可知雨林能幫助控制天氣，故填E

【2】B句意：除此之外，我們藥物的四分之一來(lái)自植物。這些植物中許多只能在雨林中被找到。B. medicines 藥；D. machines機(jī)器。根據(jù)句意，故選 B

【3】A句意：關(guān)于雨林我們還有許多不了解。如果我們破壞了他們，我們將永遠(yuǎn)不能查出。根據(jù)句意，故選A

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