In modern society, alternative energies __________ traditional ones are playing an important role in our daily life. That’s just because scientists have made great breakthroughs _________ the development of science and technology.A.for, duringB.of, duringC.by, inD.to, in
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D解析试题分析：for为了，of属于；by通过；to比较；传统能源与新能源相比较，故第一空用to。在发展的过程中用in，故选D。考点：考查介词。
点评：此题较易，考查的是介词用法，介词的用法一般都有几种，不仅要掌握基本用法，特殊用法要特别记忆。