在运动终板处()
A.产生终板电位即是肌膜的动作电位
B.终板膜不产生动作电位
C.终板电位与局部电位无共同之处
D.终板膜上的离子通道不是化学依从性通道
参考答案:B
贲门周围血管离断术中不应离断的血管是( )
A.冠状静脉
B.胃短静脉
C.胃后静脉
D.左膈下静脉
E.胃右静脉
As we are _____ Table Cloth, we should be pleased if you would send us your best quotations.
A.in the market forB.on the market forC.entering the market for D.at the market for