石砌体砌体门窗洞口两侧()和转角处石砌体为600mm范围内不得设置脚手眼.
A﹒500mm
B﹒400mm
C﹒350mm
D﹒300mm
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模板拆除,底模拆除时长度8m以内梁类构件应达到设计的混凝土立方体抗压强度标准值的().
A﹒50%
B﹒75%
C﹒90%
D﹒100%
【C18】
A. except for
B. rather than
C. as well as
D. other than
【C11】
A. holding back
B. tearing apart
C. going through
D. falling behind