More has been learned since 1945 about the chemical changes in the body than in all human history before ______ time.

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问题 More has been learned since 1945 about the chemical changes in the body than in all human history before ______ time.

选项 A、in
B、that
C、which
D、the

答案B

解析这里指的是在1945年之前的那个时期，并有强调之意。选项B是正确的。

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本试题收录于：英语题库成考专升本分类

英语

成考专升本

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More has been learned since 1945 about the chemical changes in the body than in all human history before ______ time.

英语

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Forthispartyouareallowed30minutestowriteacompositiononthetopic:MakeOurCitiesGreener.Youshouldwritenoless

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