(2013·高考北京卷)Many countries are now setting up national parksanimals and plants can be prot

(2013·高考北京卷)Many countries are now setting up national parks animals and plants can be protected.
A. when
B. which
C. whose
D. where

A. whenB. whichC. whoseD. where解析：选D。题干的意思是：眼下，许多国家正在建立一些国家公园，动物和植物在那儿可以得到保护。分析结构可知，此处是考查定语从句的引导词，先行词为national parks，定语从句中缺少地点状语，要用where来引导，相当于in which。关系副词when在定语从句中作时间状语；which在定语从句中作主语、宾语；whose只作定语，三者均不符合语境，故正确答案为D项。解答这类题目首先要找准先行词，然后根据定语从句所缺的成分来确定选项。

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