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【单选题】
产生静息电位和动作电位(去极和复极过程)的跨膜离子移动过程属于( )
A.
单纯扩散
B.
载体易化扩散
C.
通道易化扩散
D.
主动转运
E.
入胞与出胞
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参考答案:
举一反三
【简答题】给下列问题选择合适的答语。 (     ) 1. What's the weather like in spring? (     ) 2. What's your telephone number? (     ) 3. What are you going to do? (     ) 4. What date is it today? (     ) 5. Is the boy in a h...
【单选题】桅灯的水平光弧显示范围为:
A.
360度
B.
正横前
C.
正前方到每一舷正横前22.5度
D.
正前方到每一舷正横后22.5度
【判断题】粉刷石膏的初凝时间应小于60min,终凝时间应不大于8h
A.
正确
B.
错误
【简答题】连词组句。 1. is  a  big  this  cat (.) ____________________________________________________________ 2. eat  meat  tigers (.) ____________________________________________________________ 3. play  can  I  c...
【简答题】看图写句子。 What are the animals doing? 1. The big cat _____________________. 2. ______________________________. 3. ______________________________. 4. ______________________________.
【简答题】单词拼写。 1. Our classroom is big, what about ______ (they)? 2. What about ______ (share) the big cake with them? 3. They play in many ______ (match) every year. 4. Half an hour ______ (late), they go to ...
【多选题】关于实现人生价值,下列说法正确的是
A.
人生的真正价值在于奉献
B.
自我价值是人的真正价值
C.
人生价值的实现是个人在劳动实践中施展自己能力的过程
D.
人在劳动奉献中实现人生价值
【简答题】看图回答下面的问题。 What are the animals doing? 1. The big cat ____________________________________________. 2. ______________________________________________________. 3. ______________________________________...
【单选题】It's in spring and it's in summer.
A.
warm;cool
B.
hot;cold
C.
warm;hot
D.
warm;cold
【简答题】单词填空。 1. They built a big factory last _____ (世纪). 2. All the family get together to have a big dinner at the Spring _____ (节日). 3. Don't _____(忘记) to take a umbrella with you. 4. What do you usually ...
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