【題目】________ 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:一項(xiàng)新的研究表明晚睡對(duì)我們的健康有害。

考查冠詞。a/an是不定冠詞,表泛指,an用于元音音素開頭的單詞前,a用于以輔音音素開頭的單詞;the是定冠詞,用于特指。第一空表示“一項(xiàng)新的研究”,是泛指,且new以輔音音素開頭,故用不定冠詞a。第二空go to bed意為“上床睡覺”,是固定詞組。故選B

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