多项选择题

土方开挖时，应对（）等经常进行检查。

A.平面控制桩
B.水准点
C.边坡坡度
D.基坑平面位置
E.地基承载力

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未分类题

How long does Tony Parker have to return his purchase?A．7 daysB．14 daysC．28 daysD．30 days

单项选择题

What can be inferred about Mr. Taylor?（）

A．He is a member of the BRC.
B．He works for Denise LeBaron.
C．He lives between First Avenue and Lincoln Way.
D．He is on the board of the Roger Coopers Foundation.