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【单选题】
下列有关钠钾泵的说法，错误的是（）。A.
钠钾泵的化学本质是Na + -K + ATP酶
B.
钠钾泵具有功能性的大亚基外侧有K + 、苷的结合部位，内侧有Na + 、ATP的结合部位
C.
每水解1分子ATP所释放的能量可泵入3个Na + ，同时泵出2个K +
D.
钠钾泵可为细胞主动运输葡萄糖、氨基酸提供驱动力
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举一反三
【简答题】She did her best to _____________ her critics.
【简答题】什么叫润滑？润滑的作用有哪些？
【单选题】What is the best choice for the following blank? She did her best to appear ________.
A.
to self-assured
B.
self-assured
C.
be self-assured
D.
to do self-assured
【简答题】家具的设计原则在（）代达到鼎盛时期。
【单选题】How did the author react to Jennie's relationship with her boy friend?
A.
She tried her best to dissuade Jennie from continuing it.
B.
She threatened to break up with Jennie if her advice was ignored.
C.
She was overcome with pride that Jennie told her about her boy friend.
D.
She was very angry with Jennie for choosing such a friend.
【单选题】She did her best______ her ability.
A.
to improve
B.
improve
C.
improving
D.
improved
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