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汽油机是点燃式的发动机 通常是由进气 压缩 做功和排气四.....
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在人才测评流程中 明确人才测评的目的是为了达到( )的目的。..
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运用德尔斐法进行需求预测的主要特点是反馈性和匿名性。()..
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The method he used turned out to be _______ in improving the students’ English...
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—Sorry I have kept you waiting. —__________________ ...
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The goal of cultural exchange is to _____ better understanding between different nations...
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