鉴别血尿与血红蛋白尿的主要手段是（）
A.尿潜血检查
B.尿胆红素
C.尿三杯试验
D.尿沉渣检查
E.血尿颜色
参考答案：D
_____, and the problem will be worked out.
A．If you have a bit more effort
B．Having a little effort
C．A bit more effort
D．There being a little effort
辐射传热系数
