Agoodscientistmustlearn______thescientistsofothercountries．Onlyforthis，h

发布时间：2020-08-06 20:25:04

A good scientist must learn ______the scientists of other countries．Only for this，he can develop himself．A.aboutB.toC.ofD.from

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D解析learn from意为“向……学习”。
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