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 既然沒有可能會用壞的發(fā)動機或車輪,與傳統(tǒng)的火車相比磁懸浮列車應(yīng)該更容易料理.

解答 答案是wear out.本題考查語境中選用恰當?shù)脑~的適當形式.wear out用壞; 穿(磨)破; (使)筋疲力盡; 耗盡;根據(jù)語境,"發(fā)動機或車輪"會被"用壞",故答案是wear out.

點評 首字母填空必須在對語境整體理解的基礎(chǔ)上抓住指向答案的關(guān)鍵線索、固定句型或搭配等,結(jié)合首字母選用恰當?shù)脑~,同時注意所選詞的形式變化.

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