Sentence Correction
试题详情
题目：
Whereas the use of synthetic fertilizers has greatly expanded agricultural productivity in many parts of the world, an increase in their use can create serious environmental problems such as water pollution, and their substitution for more traditional fertilizers may accelerate soil structure deterioration and soil erosion.
选项:
A、 an increase in their use can create serious environmental problems such as water pollution, and their substitution for more traditional fertilizers
B、 an increase in their use can create serious environmental problems like water pollution, and if substituted for more traditional fertilizers, it
C、 if these fertilizers are used increasingly, they can create serious environmental problems such as water pollution, and if used as substitutions for more traditional fertilizers, they
D、 the increased usage of these fertilizers can create serious environmental problems such as water pollution, while if substituted for more traditional fertilizers, this substitution
E、 the increased usage of these fertilizers can create serious environmental problems like water pollution, while their substitution for more traditional fertilizers
答案:
A
提问：
我觉得原句意思合理就选了，但是从两层逻辑上看，我觉得CD上没有很大的主谓宾问题，modifier我觉得也没有大错误。 然后我就不知道怎么排除了，靠觉得A没错就直接选了。我想问问这种句间关系要怎么选呀
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提问：
A、C不会比。原文whereas 说的就是一个转折的概念，D、E后面一句是while,又来一个转折，因此杀掉。B项的and if 前面找不到对应的，也杀掉。因此留下A、C，不会比，感觉C前后对应一点，因此选了C。请老师解惑！谢谢！
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