单选题 The discoveries of science often are a mixed blessing. On the one hand they give us valuable pesticides that enable the farmer to grow more abundant crops and on the other hand they ______ the benefits by destroying the balance of nature.
A. compromise B. misplace C. damage D. counterract

【正确答案】 D
【答案解析】(counteract中和，抵销)。句意为：科学发现往往是祸福兼有的东西，一方面它们赋予了我们很有价值的杀虫剂，让农民增产增收。另一方面，由于它们破坏了生态平衡也就抵销了为我们带来的好处。A．compromise危及；B．misplace把……放错地方；C．damage损害。