题目内容

17.Since there is no engine or wheels that can wearout,maglev trains should be easier to take care of than traditional ones.

分析 既然没有可能会用坏的发动机或车轮,与传统的火车相比磁悬浮列车应该更容易料理.

解答 答案是wear out.本题考查语境中选用恰当的词的适当形式.wear out用坏; 穿(磨)破; (使)筋疲力尽; 耗尽;根据语境,"发动机或车轮"会被"用坏",故答案是wear out.

点评 首字母填空必须在对语境整体理解的基础上抓住指向答案的关键线索、固定句型或搭配等,结合首字母选用恰当的词,同时注意所选词的形式变化.

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