The greatest benefit of science has been ______ . [br] The subject of this passa

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问题 The greatest benefit of science has been ______ . [br] The subject of this passage can be ______ .

选项 A、important scientific principles
B、science and modern conveniences
C、science and civilization
D、discovery of scientific laws

答案 C

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_______servingnativespeakers,Englishiswidelyusedintheworksofscience,