China’s population is expected to increase to about 1.5 billion in 2040, _____

China’s population is expected to increase to about 1.5 billion in 2040, _____

题型:不详难度:来源:
China’s population is expected to increase to about 1.5 billion in 2040, _____ it will start to decline slowly.
A.whereB.whichC.after whichD.on which

答案
C
解析

试题分析:情景对话 句意为:中国的人口有望在2014年增长到15亿左右。此后,人口增长速度将会减慢
定语从句可分为限制性和非限制性定语从句。此题显然属于非限制性定语从句,关系词的选择就成为关键。介词+which或whom=关系副词 从功能上将,A,C,D归为一类,B为第二类。又从句中缺状语,故排除B选项。讲第一类细分,C和D在功能上一致,相当于when,不过意义上有区别。B选项充当地点状语。根据句意,可排除B。C和D的区别在介词上,确定介词的方式就是和前面的名词(现行词)进行搭配。以此题为例,after which 在2040之后,on which 在2040这一年,显然C符合题意
点评:此题主要考察考生对定语从句关系词的掌握程度和熟练情况,此类型题,考生应该将选择枝做出对比,按关联性原则将选项归类,详见解析。
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