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【单选题】
心肌兴奋一收缩耦联障碍的主要机制是A.
Na+内流减少
B.
K+外流减少
C.
Ca2+内流减少
D.
H+内流减少
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举一反三
【简答题】Sometimes, as in the sentence “...he raised his head from under the automobile hood...,” a preposition can be followed by a prepositional phrase. More examples: Jack won’t go home until after the conc...
【简答题】A teacher was giving a lesson to his students on stress management (压力). He raised a glass of 1 and asked the students, “How 2 do you think this glass of water is?” The students’ 3 ranged from 20g ...
【单选题】He raised his right fist and ___________ :"Liar and cheat!"
A.
reclaimed
B.
acclaimed
C.
declaimed
D.
claimed
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