搜题请搜索小程序“爱下问搜题”
问题 单项选择题 B1型题

急性心肌梗死，肺部有湿锣音，但锣音范围小于1/2肺野，判断为（）

A.KillipI级

B.KillipII级

C.KillipIII级

D.NYHAII级

E.NYHAIV级

答案

参考答案：B

填空题

补全对话。（每空一词，共5分）

A: What bad weather! Another sandstorm begins.

B: So it is. But why are there so many sandstorms recently?

A: Because there is so much sand around us.

B: Why is there so much sand?

A: Because a lot of land has been _小题1:___ into sand.

B: And why?

A: Because people have __小题2:___ down a lot of trees.

B: That may be the root(根源). We should __小题3:__ people from cutting down trees. Although we have built “ the Great Green Wall”, we still need to work hard to __小题4:___ the environment.

A: I agree _小题5:__ you. Let’s go to the hill and plant trees on Sunday.

B:Good idea.
查看答案
单项选择题

设平面

则平面π1与π2的关系为( )．

A．平行但不重合
B．重合
C．垂直
D．既不平行，也不垂直
查看答案