题目内容
2.Usually a meteorological observatory (气象台) _____ air quality in urban areas from one to five:excellent,fairly good,slightly polluted,poor,and dangerous.( )A. | identifies | B. | purifies | C. | classifies | D. | clarifies |
分析 通常一个气象观测站把城市中的空气质量分成一到五个等级:非常好,相当好,轻微污染,差,和危险的.
解答 答案是C.本题考查动词词义辨析.A.identifies识别,B.purifies使…纯洁,使…净化,C.classifies分类,分别,D.clarifies阐述,说明,根据句意,城市空气质量"分类"为5个等级,答案选择C项,其它选项不符合逻辑.
点评 本题考查动词词义辨析,考生在平时的学习中应注意积累相应的词汇和搭配,并牢记其意思.在做题时,将词义和题干相结合,从语法、句子结构尤其是句意上去判断,句意通顺,符合逻辑,即正确答案.

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