问题
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下列公式中,哪一个是合法的舍位平衡公式?A、C4=C1+C2-C3B、C4=C1*C2-C3C、C4=C4@1+C3D、C4=C3+C2
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下列哪种成分是C3转化酶A.C3bnBbB.C4b2a3bC.C4a2bD.C4b2a
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Slavery was______in America in the 19th century.A.abolishedB.cancelledC.abandonedD.termina
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We are faced with the demand that this tax_____.A.be abolishedB.were abolishedC.were to be
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下列各项,用于艾滋病诊断和评价抗病毒疗效的实验室指标是A、ELISA法检查p24抗体和gp120抗体B、ELIS
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P-ANCA阳性者以ELIS法测定时呈MPO抗体阳性