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【多选题】
免疫透射比浊分析的实验要求A.
溶液中存在的抗原抗体复合分子应足够大，分子太小则阻挡不了光线的通过
B.
溶液中抗原抗体复合物的数量要足够多
C.
检测中仍需较长的抗原抗体反应时间
D.
检测用抗体一般应选择亲和力高的抗体
E.
检测中不需较长的抗原抗体反应时间
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皮皮学刷刷变学霸
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【单选题】An offer made by the buyer is usually called as “__________”.
A.
inquiry
B.
offer
C.
bid
D.
order
【单选题】In a word, passion, simplicity and purity is what makes __________ an enduring drama appreciated by fans both home and abroad .
A.
Huangmei Opera
B.
Kunqun Opera
C.
Beijing Opera
D.
Shaanxi Opera
【简答题】The buyer made a bid _________ $700 per ton for Walnut meat.
【简答题】Fill in the blanks with appropriate prepositions: (1)The buyer made a bid ¥2500 per ton walnutmeat. (2)We can supply wulnuts stock. (3)Black tea, first garde, is out stock now. (4)We offer firm the fo...
【单选题】Amy Taylor was ____ both as a drama critic and as a poet.
A.
subtle
B.
progressive
C.
eminent
D.
plausible
【单选题】The buyer made a bid RMB ¥2,000 per ton wheat.
A.
at; in
B.
on; in
C.
on; for
D.
at; for
【简答题】We become good friends because we both have a ______ for drama andmusic. (passionate)
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