College students in this city have set up "the Cleaner Air Society" to help urban citizens become aware of the _________ to our

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问题 College students in this city have set up "the Cleaner Air Society" to help urban citizens become aware of the _________ to our environment.

选项 A、conditions
B、situations
C、dangers
D、threats

答案D

解析 考点  单词辨析题。四个选项可以分为两组,每组中两个词在词义上非常接近,区别甚微。 conditions“存在的环境”;situation“形势,局势,局面,情况,境遇,处境”;danger“危险,危险物,威胁”;threat“凶兆,威胁”。此处,根据句子意思,应是“意识到对环境的威胁”之意,只能在C)、D)之间做出判断;danger一般指事物本身的危险,而没有威胁的意思,再考虑到后面的介词to,按照搭配习惯,答案应是D)。
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