下列哪项不是收涩药的功效()
A.敛汗
B.止泻
C.固精
D.止吐
E.止血
参考答案:D
解析:收涩药功效有止泻、止血、敛汗、止带。
When _____ your brother usually _____? [ ]
A. do; go home
B. does; go to home
C. do; get to home
D. does; get home
滑轮绳槽底部的直径与钢丝绳的直径相比应:()
A、等于
B、小于
C、稍大于