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【单选题】
对于N型受体的叙述，错误的是A.
属于胆碱受体
B.
能与毒蕈碱发生特异性结合
C.
存在于交感神经节内神经元的突触后膜上
D.
存在于副交感神经节内神经元的突触后膜上
E.
其阻断剂为筒箭毒
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举一反三
【单选题】What does 'this is no longer the case' in paragraph 2 mean? ______
A.
Women are not economically dependant any more.
B.
It is not necessary to get married any more.
C.
Women do not need a husband any longer.
D.
Many wives do well - paying jobs outside home now.
【单选题】What does the author mean by 'women are steadily chipping away at the glass ceiling' in Paragraph One?
A.
Nowadays full-time women are earning much more money than full-time men.
B.
Full-time women are making hard efforts on jobs like walking at the glass ceiling.
C.
Women are in dangerous condition, for their earnings are increasing too faster.
D.
The gender pay gap is narrowing down, for women's earnings are increasing gradually.
【单选题】What does the author mean by 'Their historical record puts mens to shame'?
A.
Women have had a better record than men throughout history.
B.
Women have far exceeded men in leadership throughout history.
C.
Women have made men ashamed of their own historical record.
D.
Women have far exceeded men in recording experience throughout history.
【简答题】Cooking degrees: Rare——______分熟
【单选题】That women cry more does not mean they are more likely to have a“good”cry implies that_______.
A.
women like crying more than men
B.
a person’S sex is a predictor of beneficial crying
C.
crying does not necessarily make women feel better
D.
women look pitiful while crying
【单选题】想在基因文库中选出较大目的基因,并其部分DNA序列是已知的,适宜的方法是 ( )
A.
化学合成+PCR
B.
化学合成+免疫法
C.
化学合成+标志补救
D.
化学合成+分子杂交
E.
化学合成+抗药性选择
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