Sentence Correction
试题详情
题目：
Industrialization and modern methods of insect control have improved the standard of living around the globe while at the same time they have introduced some 100,000 dangerous chemical pollutants, having gone virtually unregulated since they were developed more than 50 years ago.
选项:
A、 while at the same time they have introduced some 100,000 dangerous chemical pollutants, having
B、 while at the same time introducing some 100,000 dangerous chemical pollutants that have
C、 while they have introduced some 100,000 dangerous chemical pollutants at the same time, and have
D、 but introducing some 100,000 dangerous chemical pollutants at the same time that have
E、 but at the same time introduce some 100,000 dangerous chemical pollutants, having
答案:
B
提问：
此题中，关于是谁不加控制的增长在50年前，对于这个修饰最明确的的确是B选项让人一看就明白是生物污染不加控制的生长，但是while作为一个连词是连接句子的，既然有了while为什么不能将B以句子残缺排除呢（它没有动作发起者也没有一个动词，只有ing形式）？这样就剩下A,C了。我这个思路哪里出了问题呢？请老师点出。谢谢！
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0
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1835
提问：
老师您好！选项中have gone virtually这句应该是修饰pollution的，但是BD中，while后面的部分好像不成句子呀，还请老师指点！谢谢老师！
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0
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