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【C17】A.freedomB.freeC.somethingD.money
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【C17】A.relievedB.delegatedC.approvedD.performed
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【C17】A.thisB.whereC.thereD.that
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【C17】A.objectionB.objectingC.objectedD.object
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【C17】A.rawB.rareC.rowD.roar
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【C17】A.jointB.overallC.intensiveD.extensive
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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 -