问题
单项选择题
上消化道大量出血是指数小时内失血量超过()
A．400ml
B．500ml
C．800ml
D．1000ml
E．15000ml
答案
参考答案：D
搜题请搜索小程序“爱下问搜题”
上消化道大量出血是指数小时内失血量超过()
A．400ml
B．500ml
C．800ml
D．1000ml
E．15000ml
参考答案：D
Passage One
What should one do if he wants to help himself to food on the other side of the table
A．Ask the person sitting close to it to help.
B．Stand up and get it.
C．Sit where one is, but stretch one’s arms for it.
D．Don’t know.