搜题请搜索小程序“爱下问搜题”
问题 单项选择题 B型题

胸部X线检查可见心影向两侧扩大，随体位变化而变化，估计心包腔内液体已超过（）

A.<30ml

B.50ml

C.150ml

D.250ml

E.500ml

答案

参考答案：D

选择题

Anyone, if he _______ in his career, must be self- confident and make constant efforts towards his goal.

A．succeeds

B．will succeed

C．is to succeed

D．is about to succeed
查看答案
单项选择题

蛛网下腔出血最常见的病因

A．先天性动脉瘤破裂

B．脑动静脉畸形

C．高血压动脉硬化

D．脑动脉炎

E．脑基底异常血管网病
查看答案