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问题 多项选择题

下列哪些情况可使肌肉接头以外的乙酰胆碱受体大量增加（）

A.神经脱髓鞘病变

B.下运动神经元损伤

C.烧伤病人

D.贫血病人

E.感染以致肌纤维失去神经支配时

答案

参考答案：A, B, C, E

改错题
此题要求改正所给句子中的错误，并按下列情况改正：
该行多一个词:把多余的词用斜线(＼)划掉，在该行右边横线上写出该词，并也用斜线划掉。
该行缺一个词:在缺词处加一个漏字符号(∧)，在该行右边横线上写出该加的词。
该行错一个词:在错的词下划一横线，在该行右边横线上写出改正后的词。
 
My car just wouldn’t move any further. It was complete
小题1:
dead, and I was a few miles far away from anywhere on a cold,
小题2:                       
wet night. I decided walk around a little before accepting I’d
小题3:                         
have to spend the night in the car. Maybe I can find a
小题4:                         
telephone. Actually, I didn’t have to walk far after I
小题5:                         
found a small house standing on a field with a light
小题6:                         
shone from the sitting room. I knocked at the door and
小题7:                         
was very happy when a pleasant old man opened the
小题8:                         
door but listened to my story carefully. He said he didn’t
小题9:                        
have telephone, and there wasn’t one within walking distance.
小题10:                          
 
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单项选择题

胎盘的组成是由（）

A.羊膜、叶状绒毛膜和底蜕膜

B.羊膜、平滑绒毛膜和包蜕膜

C.羊膜、叶状绒毛膜和包蜕膜

D.羊膜、平滑绒毛膜和底蜕膜

E.羊膜、平滑绒毛膜和直蜕膜
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