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18.Yuan longping growswhat is called super hybrid rice.

分析 袁隆平种植了所谓的杂交水稻.

解答 答案是what.本题考查语境中使用恰当的词或短语的适当形式.题干中动词grow后面的宾语从句中缺少的是充当主语的引导词;what在名词性从句中做主语、宾语、表语或定语,故答案是what.

点评 单词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,同时注意所选词的形式变化.

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