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【单选题】
关于动作电位传导，错误的是A.
可以双向性传导
B.
相对不疲劳性传导
C.
具有“全或无”现象
D.
动作电位幅度随传导距离增大而减少
E.
动作电位传导是局部电流流动的结果
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【简答题】触点开关式节气门位置传感器当节气门关闭时,怠速触点( )、功率触点( ),怠速触点输出端子输出的信号为低电平“( )”,功率触点输出端子输出的信号为高电平“( )”。
【简答题】Karen and Kevin work in a hospital . They (don't/doesn't) go to school.
【简答题】Karen and Kevin work in a hospital . They (go)to school.
【单选题】对于触点开关式节气门位置传感器,当怠速触点和功率触点都处于断开状态时,ECU将判定发动机处于( )。
A.
怠速状态
B.
部分负荷状态
C.
全负荷状态
D.
急加速状态
【简答题】Complete the conversation with the adjectives on the ppt. (用ppt中所学的形容词填空) A: One of the things I like about living in a big city is that you can see people from all over the world and learn about thei...
【简答题】Christmas was just a week away and I had five people left to shop for but only three dollars. 'Let's set a price limit on our gifts this year,'I suggested to my best friend Joanie. 'That's a good idea...
【单选题】Karen and Kevin _________ at the hospital.
A.
work
B.
works
C.
is working
D.
is worked
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