【題目】Many of the earth’s plants and animals have already【1】(die) out, and a hundred species become 【2】(endanger) every day. If nothing is done, we may find ourselves【3】 (lonely) on the earth.

Wild animals live in the【4】 (forest) which are being destroyed by people. As【5】 result, the animals are 【6】(lose) their habitats. Without the trees, the animals are short of food. And many animals are dying out because of pollution.

I suggest that measures should be taken 【7】(protect) wildlife. The government should keep people 【8】destroying forests and shut down the factories 【9】 pollute rivers and air, I think more wildlife reserves should also be 【10】(build)

【答案】

【1】Died

【2】endangered

【3】alone

【4】forests

【5】a

【6】losing

【7】to protect

【8】from

【9】which/that

【10】built

【解析】地球上的很多動(dòng)、植物已經(jīng)滅絕，一百個(gè)物種每天都變得瀕臨絕境，我們應(yīng)該采取措施保護(hù)野生動(dòng)植物。

【1】句意：地球上的很多動(dòng)、植物已經(jīng)滅絕。根據(jù)句意可知句子用現(xiàn)在完成時(shí)態(tài)，故答案為died。

【2】句意：一百個(gè)物種每天都變得瀕臨絕境。根據(jù)句意可知答案為endangered。

【3】句意：如果沒有采取措施，我們可能發(fā)現(xiàn)我們自己在地球上獨(dú)自存在。根據(jù)句意可知答案為alone。

【4】句意：野生動(dòng)物生活在被人正在毀掉的森林里。根據(jù)句意可知名詞用復(fù)數(shù)形式，故答案為forests。

【5】固定搭配：as a result結(jié)果，故答案為a。

【6】句意：動(dòng)物正在失去它們的棲息地。句子用現(xiàn)在進(jìn)行時(shí)態(tài)，故答案為losing。

【7】此處是動(dòng)詞不定式做目的狀語，故答案為to protect。

【8】固定搭配：keep sb. from doing sth.阻止某人做某事故答案為from。

【9】句意：關(guān)閉污染河流和空氣的工廠。此處factories是先行詞，指物，在后面的定語從句中做主語，故答案為which/that。

【10】句意：我認(rèn)為還應(yīng)該建立更多的野生動(dòng)物保護(hù)區(qū)。根據(jù)句意可知句子用含情態(tài)動(dòng)詞的被動(dòng)語態(tài)，故答案為built。

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