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【单选题】
双向扩散试验中,当抗体含量大时A.
沉淀线靠近抗原
B.
沉淀线靠近抗体
C.
沉淀线位于抗原与抗体同等距离的位置
D.
出现多条沉淀线
E.
不出现沉淀线
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举一反三
【判断题】Ameircan women entered the workforce mainly because of the feminist awakening.()
A.
正确
B.
错误
【单选题】The 'solidarity-with-housewives strand of feminist thought' (the first sentence in the fourth paragraph) refers to ______.
A.
the first strand of feminist thought
B.
the second strand of feminist though
C.
the third strand of feminist thought
D.
none of the above
【单选题】The 'solidarity-with-housewives strand of feminist thought' (the first sentence in the fourth paragraph) refers to ______.
A.
the first strand of feminist thought
B.
the second strand of feminist thought
C.
the third strand of feminist thought
D.
none of the above
【简答题】feminist
【单选题】某银行有1000个客户,调研人员从中抽取100个进行抽样调查。如果用等距抽样抽取的第一个号码为3,则抽取的最后一个号码是( )。
A.
93
B.
993
C.
1000
D.
1003
【单选题】下列各电解质对某溶胶的聚沉值 ( 单位:mmol · dm - 3 ) 分别为:50[KNO 3 ] 、110[KAC ] 、0.81[MgSO 4 ] 、0.095[Al(NO 3 ) 3 ] ,该胶粒的带电情况( )
A.
带负电
B.
带正电
C.
不带电
D.
不能确定
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