沟通途径语言叙述更多的是:()
A、2对1
B、多对1
C、1对1
D、1对多
参考答案:C
— I am afraid I can't return the book to you before Friday.
— _____. [ ]
A. Don't be afraid
B. Be careful
C. Not at all
D. Take your time
初产妇,27岁,17周妊娠,有风湿性心脏病,二尖瓣狭窄史,心功能Ⅱ级。
下列不必要的检查是()。
A.血常规、尿常规
B.肝肾功能
C.胸片
D.B超
E.定期监测胎盘功能