搜题请搜索小程序“爱下问搜题”
问题 单项选择题

下列最易引起阿-斯综合征的情况是（）

A.心房扑动伴2：1传导

B.阵发性室上性心动过速

C.非阵发性室性心动过速

D.三度房室传导阻滞

E.窦性心动过速

答案

参考答案：D

单项选择题 A1型题

新生儿易出现溢奶的原因，不包括（）

A.胃呈水平位

B.胃扭转

C.下食管括约肌压力低

D.幽门括约肌较发达

E.贲门括约肌发育差
查看答案
单项选择题

W: I need to talk to someone who knows Baltimore well. I’m told you lived there.
M: Oh, but I was really young at the time.
Q: What does the man mean().

A. He moved to Baltimore when he was young.

B. He can provide little useful information.

C. He will show the woman around Baltimore.

D. He will ask someone else to help the woman.
查看答案