Question

【题目】__________ to smart phones just before bed, as a research says recently, can lead to poor night’s sleep.

A. Being exposedB. ExposedC. Having exposedD. To expose

Answer 1

【答案】A

【解析】

试题分析：考查非谓语动词。句意：据最近的一次调查报道，睡前暴露在智能手机下会导致晚上睡不好。人是被暴露在手机辐射下的，应用被动语态。因为在句中作主语，故应用动名词。故选A项。