几尿含1ml血（）
A.血尿
B.肉眼血尿
C.大量蛋白尿
D.蛋白尿
E.正常人尿蛋白含量
参考答案：B
" Never ______ time come again," his teacher said to him. [ ]
A. lose
B. losing
C. lost
D. will lost
什么是电气液压型调速器？
