诊断尿路结石首选的X线检查是
A.逆行肾盂造影B.静脉尿路造影C.肾动脉造影D.CTE.腹部平片+静脉尿路造影
参考答案:E
-- Why did you leave the fan on in your room? It’s a waste of electricity.
---________
A.I don’t think so, either.
B.Not at all.
C.Sorry, I will turn it off.
D.That’s all right
空气包有哪些作用?充什么气最好?充多少压力为好?