下列局麻药的使用极量,正确的是()。
A.普鲁卡因1000mg
B.利多卡因600mg
C.布比卡因200mg
D.罗哌卡因150mg
E.丁卡因60mg
参考答案:A
两数相除,余数是18,除数最小是[ ]
A.18
B.17
C.19
---I feel really tired.
---___________________ [ ]
A. Lucky you!
B. You’d better work harder.
C. Congratulation!
D. Why not go and have a reat?