游标卡尺的外测量爪用来测（）

A、内孔或槽宽

B、长度或台阶

C、外径或长度

D、深度或宽度

A. 内孔和槽宽

B. 长度或台阶

C. 外径或长度

D. 深度或宽度

A. 减去

B. 等于

C. 加上

A. 使量爪略大于被测工件尺寸

B. 使量爪略小于被测工件尺寸

C. 使量爪等于被测工件尺寸

D. 使量爪大于或者小于被测工件尺寸

A．计算机系统无法工作，因为硬件工作参数被清除

B．不需要管理员密码能进入 BIOS 系统 进行设置

C．系统日期被改回主板出厂时的日期

D．计算机重新工作后，硬件兼容性和性能均得到提高

A．对α和β都强

B．对α强,β弱

C．对β强,α弱

D．只对α

E．只对β

Why did Ms. tell theuthor her fmily bckground She wnted to get dontion from theWhy did Ms. tell theuthor her fmily bckground She wnted to get dontion from theuthor. B．She just wnted someone to listen to her. C．Shesked theuthor to lookfter her children. D．She intended to mke cler of her illness.

A．She wanted to get donation from the author．

B．She just wanted someone to listen to her．

C．She asked the author to look after her children．

D．She intended to make clear of her illness．