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问题 单项选择题

程序坐标机有哪些功能特性（）。a.测极性b.测量PCB之坐标值c.测零件长，宽d.测尺寸

A.a，b，c

B.a，b，c，d

C，b，c，d

D.a，b，d

答案

参考答案：B

配伍题 B型题

椎体钩外侧有()
椎间孔前内侧壁为()
椎间孔后外侧壁为()

A．椎体钩

B．椎间关节

C．棘突

D．椎动脉、椎静脉及交感神经丛

E．横突后结节
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选择题

When he turned professional at the age of 11，Mike________to become a world champion by his coach and parents.

A．expected

B．was expecting

C．was expected

D．would he expected
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