重症肌无力与急性炎症性脱髓鞘性多发神经病的鉴别点（）
A.起病急缓
B.症状有无波动
C.疲劳试验
D.新斯的明试验
E.以上全部
参考答案：E
句型转换。
l. My father often watches TV in the evening.（改为否定句）
My father _____ _____ oftenTV in the evening.
2. The girls are waiting for a famous actor.（改为一般疑问句）
_____ the girls waiting _____ a famous actor?
3. The students are playing computer games now.（对画线部分提问）
_____ are the students _____ now?
4. My mother is watching TV now. （改为否定句）
My mother _____ _____ TV now.
最易出现水冲脉的是（）
A.二尖瓣狭窄
B.二尖瓣关闭不全
C.主动脉瓣狭窄
D.主动脉瓣关闭不全
E.缩窄性心包炎
