单项选择题

水准测量时,要使用尺垫的测点是()
A、所有测点
B、转点
C、末知高程点
D、已知高程点

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多项选择题

中共七届二中全会上，毛泽东提出“两个务必”的思想是指

A．务必坚持理论联系实际
B．务必继地保持艰苦奋斗的作风“振兴中华”
C．务必继地保持谦虚、谨慎、不骄、不躁的作风
D．务必坚持群众路线

单项选择题

In the fable the Commander of the Right with One Leg, why did the commander have only one leg?

A．He lost one leg in a war.
B．He was born with only one leg.
C．He lost one leg because of illness.
D．He fell from a high place and lost one leg.