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  3. What is the one huge problem that we haven’t really solved? There is no doubt that environmental regulation

What is the one huge problem that we haven’t really solved? There is no doubt that environmental regulation

admin2009-08-19  54
问题 What is the one huge problem that we haven’t really solved?
There is no doubt that environmental regulation
选项 A、is cumbersome
B、produces an effect
C、varies wildly
D、needs to be streamlined
答案B
解析 细节题。根据题干信息词environmental regulation定位到第五个小标题末句Some environmental regulation may be too cumbersome(麻烦的)and needs to be streamlined-standards can vary wildly between regions-but there isn’t any doubt that environmental regulation actually works，即：虽然有一些麻烦，但是环境规则还是有作用的，故选B。
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