孔口出流试验中测得孔口出流的局部阻力系数ζ=0.06，则其流速系数φ为：（）
A.0.94
B.0.95
C.0.96
D.0.97
参考答案：D
—I think pop music is pleasant.
—_________ I think it is just so-so.
A．I think so.
B．I don’t think so.
C．I agree with you.
D．Yes, you are right.
可反映机体近期苯接触程度的指标是（）
A.尿马尿酸
B.尿酚
C.尿甲基马尿酸
D.尿苯基硫迷氯酸
E.尿葡萄糖醛酸
