【題目】閱讀下面的短文,根據(jù)短文內(nèi)容及首字母提示,在短文空白處填上一個(gè)適當(dāng)?shù)脑~,使短文完整、通順,語法正確。

Although the world is hungry, it is even thirstier. While nearly 3/4 of the earth is c【1】 with water, we are short of drinking water. This is because about 97% of the water on the earth is sea water.

How can we a【2】 a serious water shortage? First, we should save water and not waste it. Then, we should protect our water resources and not pollute them. Lastly, we should discover ways to reuse water. Scientists have got some achievements in this field. But people's need for water is increasing day by day. We s【3】 don't have enough water. What else can we do?

The sea seems to have the best answer. There is p【4】 of water in the sea. But we need to take the salt away from the sea water. This is very expensive. If scientists can find c【5】 ways to do it, we can solve the problem of the shortage of water.

【答案】

【1】covered

【2】avoid

【3】still

【4】plenty

【5】cheaper

【解析】本文簡單描述了現(xiàn)在世界上存在的水資源短缺問題。

【1】句意：雖然地球的近3/4被水覆蓋，但我們?nèi)鄙亠嬘盟?/span>be covered with…意為“被…覆蓋”，故填過去分詞covered。

【2】句意：我們怎樣才能避免嚴(yán)重的水資源短缺呢？這一句話缺少謂語動(dòng)詞，這是在提出疑問，從后面的一系列措施猜出這里提出的問題是如何避免avoid水資源短缺？故填 avoid。

【3】句意：我們?nèi)匀粵]有足夠的水。從前句的“但是人們對水的需求與日俱增”說明水資源“仍然”不夠，故填副詞still。

【4】句意：大海里有大量的水。plenty of…意為“許多…”，大海里自然有“許多”水，故填 plenty。

【5】句意：如果科學(xué)家能找到更便宜的方法，我們就能解決水資源短缺的問題。前面是“海水淡化是很昂貴的”，所以這里是說如果有“更便宜”的辦法或方式就好了，故填比較級(jí)cheaper。

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