This is the first study to compare the effects of the new drug with its side effects.A. be

发布时间：2020-08-17 09:44:11

This is the first study to pare the      effects of the new drug with its side effects.
A. beneficial
B. specific
C. powerful
D. potential

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(答案→)A. beneficial
B. specific
C. powerful
D. potential
解析： A. beneficial有益的，B. specific明确的，具体的，C. powerful强大的，D. potential潜在的，句意：这是第一个对比新药物的有效的一面和副作用之间的影响的研究。所以选A。
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