锉削平面时，锉刀左右移动不均匀会产生（）。
A、平面横向中凸
B、平面横向中凹
C、平面中
D、对角扭曲
参考答案：A, B
原则上人民币现金备付率应控制在（）以内，外币不区分币种，统一折合为美元备付率控制在（）以内。
A、0.5%、8%
B、0.2%、8%
C、0.5%、10%
D、0.2、10%
秘书(高级)技能考核模拟试卷
A．call you back as soon as she comes back
B．call me back as soon as she comes back
C．telephones me back as soon as she comes back
D．give me a call as soon as she comes back
