美发师站立时,双肩稍向后并放松,双手不要()。
A.叉腰
B.弯曲
C.抬起
D.交叉
参考答案:A
When _____ help, one often says" Thank you. " or "It's kind of you." [ ]
A. offering
B. to offer
C. to be offered
D. offered
业务处理系统(TPS)需要有效地完成相关业务数据的()等流程。
A.采集
B.筛选
C.入库
D.运算处理
E.查询生成