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[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, which have
D、but introducing some 100,000 dangerous chemical pollutants at the same time that have
E、but at the same time introducing some 100,000 dangerous chemical pollutants, having
答案:
B
提问：
金老师，可以解释一下句子结构吗，B选项结构没有看懂，所以选了C
解答：
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提问：
金老师，可以解释一下句子结构吗，B选项结构没有看懂，所以选了C
解答：
点赞2
阅读440
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