正常人昼尿量与夜尿量之比为().
A.(2~3):1
B.(3~4):1
C.(4~5):1
D.(5~6):1
E.(6~7):1
参考答案:B
---What do you want to do next? We have half an hour before the basketball game starts.
---_______. Whatever you want to do is fine with me.
A.It doesn’t matter
B.It’s up to you
C.All right
D.That’s all right
金属塑性变形过程中,其应力状态有()种类型。
A.3
B.6
C.9