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【单选题】
下列有关斑点免疫层析试验单克隆双抗体夹心法中，错误的是A.
以硝酸纤维素膜为载体
B.
干片上附有免疫金复合物
C.
阳性反应出现两条红色线条
D.
阴性反应不出现线条
E.
操作时应注意浸泡液体不能超过干片部分
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反馈参考答案：
举一反三
【单选题】下列有关汇票的表述中,正确的是( )
A.
汇票未记载收款人名称的,可由出票人授权补记
B.
汇票未记载付款日期的,为出票后10日内付款
C.
汇票未记出票日期的,汇票无效
D.
汇票未记载付款地的,以出票人的营业场所、住所或经常居住地为付款地
【单选题】She went to bed at twelve.She for him for four hours.
A.
had been waiting
B.
has waited
C.
was waiting
D.
has been waiting
【单选题】she for him for four hours before she finally went to bed at 12?
A.
Has been…waiting
B.
Had been… waiting
C.
Has… been waiting
D.
Had …been waiting
【简答题】【句子翻译】She was looking at him as she was always looking at him when he awakened. （提示：译文中增加“平时”一词）
【简答题】【翻译】She was looking at him as she was always looking at him when he awakened.他______醒来时，她总是这样望着他。
【简答题】She smiled at him as she poured boiling water ( ) his cup.
【单选题】下列有关汇票的表述中,正确的是( )
A.
汇票未记载收款人名称的,可由出票人授权补记
B.
汇票未记载出票日期的,为出票后10日内
C.
汇票未记载出票日期的,汇票无效
D.
C、汇票未记载付款地的,以出票人的营业场所、住所、经常居住地为付款地
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