14．Some people waste too much water．They don't believe that it can__________ some day．（　�。�
A．keep outB．run outC．be run outD．run out of

分析 一些人浪費太多水了，他們不相信有一天水會用完．

解答 答案：B；
A．keep out"阻止…進入"，B．run out意為"用完，耗盡"，D．run out of"從…中跑出來；用完…東西"，后應(yīng)接賓語，比如What happened when we run out of water？（當(dāng)我們沒有了水，會發(fā)生什么？）；選項C是被動形式，其后應(yīng)加介詞of；根據(jù)句中內(nèi)容Some people waste too much water可以推測下句句意應(yīng)為：他們不相信有一天會用完；故選B．

點評 根據(jù)句中信息推測出該句的句意是解答此題的關(guān)鍵；還要對給出的答案進分析和比較，從而作出正確解答．

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