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【C16】A.demandingB.explainingC.portrayingD.taking
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【C9】A.screamingB.explainingC.approvingD.weeping
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【C4】A.expressingB.explainingC.exposingD.illustrating
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Most people find [rejection] hard to accept.A. ex
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Most people find 【rejection】 hard to accept.A. ex
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当x>0时 下列不等式中正确的是:A.ex<1+x B. In(1+x)>x C.ex<ex D.
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下列微分方程中 以y=C1ex+C2cos2x+C3sin2x(C1 C2 C3为任意常数)为通解的是 ()