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【简答题】
________ surprised me most was ______ such a little girl of seven could play the violin so well. A. That; what B. What; that C. That; that D. What; what
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【单选题】下列关于动作电位传导的错误叙述是
A.
神经元能够产生和传导动作电位
B.
神经元的兴奋部位的膜电位是外正内负
C.
动作电位在同一神经元的传导具有双向性
D.
膜内电流流动方向与动作电位的传导方向一致
【单选题】关于动作电位的叙述,下列哪一项是错误的
A.
是细胞兴奋的标志
B.
其上升相是去极化的过程
C.
其下降相是复极化过程
D.
细胞接受刺激后必定产生动作电位
E.
动作电位的产生是“全或无”的
【单选题】I like the cartoon __ has a happy ending and makes me
A.
which; to laugh
B.
that; to laugh
C.
whose; laughing
D.
which; laugh
【单选题】The French doors in an upstairs room blew in with an explosive sound, and the group heard gun- like reports as other upstairs windows disintegrated. Which is the best explanation to " reports" in this...
A.
a written or spoken account of an event, especially one that is published or broadcast
B.
an official document written by a group of people who have examined a particular situation or problem
C.
a story or piece of information that may or may not be true
D.
the sound of an explosion or of a gun being fired
【单选题】I like the cartoon _____a happy ending and makes me _____. [ ]
A.
which have; laugh
B.
that has; to laugh
C.
whose has; laughing
D.
which has; laugh
【简答题】The room is with an air-conditioner.
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