男性,30岁。肉眼血尿2天。首选应该检查()
A.尿找癌细胞
B.肾脏B超
C.肾活检
D.尿RBC相差镜检查
E.静脉肾盂造影
参考答案:D
一Sorry,I broke your wineglass.
一 .You didn’t mean to.
A.Never mind.
B.Certainly not!
C.Why not be careful?
D.Don’t mention it.
一只1Ω的电阻与一只100Ω的电阻并联后的总电阻是:[ ]
A.等于101Ω
B.等于1Ω
C.小于1Ω
D.在1Ω和100Ω之间