【題目】 table computers like Apple's iPad just before bed, a research says recently, can lead to poor night sleep.

A. Using B. Used C. To be used D. Use

【答案】A

【解析】試題分析：研究人員指出，在上床睡覺(jué)之前用筆記本電腦如蘋(píng)果的平板電腦會(huì)導(dǎo)致晚上睡眠不好。分析句子結(jié)構(gòu)可知______ tablet computers like Apple’s iPad just before bed在句中充當(dāng)主語(yǔ)，故用動(dòng)名詞作主語(yǔ)，故選A。

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