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18.She said the terrible weather shrank  harvests in Western Africa that year.

分析 她说那一年糟糕的天气使得西非的收成缩水.

解答 答案是shrank.本题考查语境中选用恰当的词;shrink v.收缩,缩水;主句动词为过去时,宾语从句中的动词也往往用与过去相关的时态;且从句中的that year也说明从句中需要过去时,故答案是shrank.

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,并联系首字母,同时注意所选词的形式变化.

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