检查远曲小管功能的方法有（）
A.尿β2C
B.尿糖
C.尿NAG
D.禁饮尿渗量
E.尿钠
参考答案：D
It is ______ for him to finish the heavy work in such a short time. He is not a god (上帝). [ ]
A. possible
B. impossible
C. unnecessary
D. likely
钻爆作业中，周边眼的堵塞长度不宜小于（）
A.20cm
B.40cm
C.60cm
