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The key _____ four modernizations lies _____ the science and education.
A.to, onB.of, onC.to, inD.of, in
C
本题考查介词。the key to·····表示……的关键;lie in是一个固定搭配,意思是在于。句意:四个现代化的关键在于科学和教育。
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