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【题目】________ new study says that going to _________ bed late is harmful to our health.

A./; /B.A; /C.an; theD./; the

【答案】B

【解析】

句意:一项新的研究表明晚睡对我们的健康有害。

考查冠词。a/an是不定冠词,表泛指,an用于元音音素开头的单词前,a用于以辅音音素开头的单词;the是定冠词,用于特指。第一空表示“一项新的研究”,是泛指,且new以辅音音素开头,故用不定冠词a。第二空go to bed意为“上床睡觉”,是固定词组。故选B

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