问题
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【C17】A.freedomB.freeC.somethingD.money
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【C17】A.relievedB.delegatedC.approvedD.performed
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A.funB.workC.learningD.prize
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【C3】A.cultivatedB.learnedC.literateD.intimate
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【C19】A.to learnB.to be learnedC.learningD.being learning
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具有怎样结构的甾体激素类药物可用四氮唑比色法测定()。A C17-a-甲酮基B C17-a- 醇酮基C C20 -