题目内容

框架柱在基础内的第一根柱箍筋到基础顶面的距离是多少( )mm。

A. 50
B. 100
C. 3d（d为箍筋直径）
D. 5d（d为箍筋直径）

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下列哪项不是框架柱箍筋加密范围包括( )。

A. 节点范围
B. 底层刚性地面上下500mm
C. 基础顶面嵌固部位向上1/3Hn
D. 搭接范围

下列命题公式中，哪些是合取范式？

A. P析取Q
B. P合取Q
C. P
D. (P析取Q)合取R

If there is a lot of work _________.I’m happy to just keep on until it is finished.

A. to do
B. to be doing
C. done
D. doing

Most colleges now offer first-year students a course specially ________ to help them succeed academically and personally.

A. designed
B. designing
C. to design
D. being designed