Your house isn't far from here, ______?
A. isn't it
B. aren't they
C. is it
She never takes the bus to college, _____?
A. does she
B. doesn't she
C. did she
You're a doctor, _____?
A. are you
B. aren't you
C. would you
以下哪项不属于等渗性缺水的病因
A. 急性阑尾炎引起的大量呕吐
B. 长期行胃肠减压
C. 急性肠梗阻
D. 胃肠消化液的急性丧失
E. 大面积烧伤早期
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