成人急性血吸虫病患者,采用吡喹酮治疗其总剂量为每公斤体重
A.40mg
B.60mg
C.120mg
D.140mg
E.180mg
参考答案:C
Excuse me. Can you _____ my watch, please? [ ]
A. look
B. look like
C. look after
D. look at
国产牙轮钻头分为钢齿牙轮钻头和镶齿钻头两大类,共()系列。
A、4个
B、8个
C、6个
D、12个