题目内容

经纬仪望远镜上下转动时,竖直度盘不转,读数改变。

A. 对
B. 错

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竖直角测量时,竖盘指标差的存在可以用盘左、盘右取平均值的方法消除。()

A. 对
B. 错

在进行垂直角观测时,竖盘指标差i=(360-R-L)/2。( )

A. 对
B. 错

Computer technology makes it ____ for people to work from home.

A. harmful
B. serious
C. possible
D. diffcult

"Let me _____ you," said my boss, "you should call me immediately after you arrive at the ariport."

A. ask
B. advise
C. remember
D. remind

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