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【单选题】
关于钠泵生理作用的叙述,哪项是错误的A.
钠泵能逆浓度差将进入细胞内的Na+移出胞外
B.
钠泵可顺浓度差使细胞外K+转入胞内
C.
由于从膜内移出Na+，可防止水分子进入细胞内
D.
钠泵的活动造成细胞内高K+，使许多代谢反应得以进行
E.
钠泵的活动可造成膜两侧的离子势能贮备
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皮皮学刷刷变学霸
举一反三
【多选题】According to the picture, which model verbs can be used to give advice?
A.
ought to
B.
can
C.
should
D.
shouldn’t
【判断题】The worst thing in a job interview is that you don't have any question at the end of an interview.
A.
正确
B.
错误
【单选题】Which model can exactly solve the Hydrogen system? ( )
A.
Dirac equation
B.
Schrodinger equation
C.
Bohr model
D.
Rutherford model
【单选题】A model or an experiment in a science class can help us see things which would remain hidden．
A.
therefore
B.
yet
C.
otherwise
D.
still
【单选题】What is the problem which the model card?
A.
It is too large．
B.
It is toot hick
C.
It can’t be used in online transactions
D.
It doesn’t have a loudspeaker．
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