题目内容

根据《建筑工程建筑面积计算规范》,不应计算建筑面积的项目有()。

A. 建筑物内的电梯井
B. 建筑物内变形缝
C. 过街楼底层
D. 建筑物内大厅走廊

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电气安装工程属于( )。

A. 单项工程
B. 单位工程
C. 分部工程
D. 分项工程

对于轴类零件的圆柱面检测方便、容易实现,故应优先考虑。

A. 圆度
B. 跳动
C. 圆柱度
D. 同轴度

It ______ five years since he has left for Beijing.

A. was
B. have been
C. is
D. is going to be

We can’t find him anywhere. Perhaps he ______ home.

A. is going
B. went
C. has gone
D. had gone

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