题目内容
Due to the light pollution, stars are too faint _________with naked eyes in the urban area.
A. observing B. being observed
C. to be observed D. to be observing
C
【解析】
试题分析:考查固定句型和非谓语动词。句意:因为光污染,星光太微弱了以至于在市区无法用肉眼看到(它们)。too...to...太......以至于......,stars和observe是动宾关系,即星星被观察到,应该用被动语态,故选C。
考点:考查固定句型和非谓语动词
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