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【简答题】
用适当的特殊疑问词填空 1. _____ is that pretty girl? She is my sister. 2. _____ are Jack and Tom? They are behind you. 3. _____ do you go to school? I go to school from Monday to Friday. 4._____ has a beautiful flower? John has a beautiful flower. 5._____ are they? They are beautiful flowers. 6._____ is your mother? She is very well. 7._____ are your book? This one. 8._____ ball is this? It’s Jim’s. 9._____ does he jog? He jogs in the park. 10._____ are you late? Because I didn’t catch the bus.
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知识点：
皮皮学刷刷变学霸
举一反三
【多选题】关于兴奋性突触后电位，下列叙述正确的是（）。
A.
突触后膜对Ca2+通透性较高
B.
总是会引起动作电位的发生
C.
重复刺激下可发生时间总和
D.
突触后膜对Na+通透性较高
E.
兴奋性突触后电位是突触前神经冲动引起的全或无反应
【多选题】下列关于兴奋在突触传递过程的叙述，正确的是
A.
一般包括电-化学-电三个环节
B.
不需要Ca2+参与
C.
突触小泡释放递质
D.
突触后膜上存在特异性受体
E.
突触后膜可发生除极或超极化