切削加工中,主运动速度最高,消耗功率最大,一般有()个主运动。
A.1个
B.2个
C.3个
D.4个
参考答案:A
The old man sat in front of the television every evening, happy ________ anything that happened to be on.[ ]
A. to watch
B. watching
C. watched
D. to have watched
银行个人理财业务的影响因素,按照影响因素的特征,大致可分为( )。
A.个人资产
B.微观影响因素
C.宏观影响因素
D.中观影响因素
E.其他影响因素