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  3. The discoveries of science are often a mixed blessing; on the one hand they give

The discoveries of science are often a mixed blessing; on the one hand they give

游客2023-12-26  38
问题 The discoveries of science are often a mixed blessing; on the one hand they give us valuable pesticides that enable farmers to grow more abundant crops, and on the other hand they______the benefits by destroying the ecological balances.
选项 A、misplace
B、counteract
C、mollify
D、damage
答案 B
解析
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