拖拉机带旋耕机作业时，当机组前进速度一定，若刀轴转速加快，则土块（）。
A.变粗
B.变细
C.变化不大
D.可能变大或变小
参考答案：B
The man who had killed his wife was sentenced __________ the death penalty.
A．of
B．to
C．with
D．on
治疗痄腮，除局部选穴外，应远端配用( )
A．外关、关冲、合谷
B．少泽、曲池、合谷
C．内庭、关冲、内关
D．侠溪、太冲、合谷
E．合谷、太冲、中冲
