附着升降脚手架架体结构在（）设置处，应采取可靠的加强构造措施。
A.升降机构
B.防倾防坠装置
C.安全防护
D.悬挑端
参考答案：A, B, D
In quality planning:
A) The primary benefit of meeting quality requirements is the reduced expense associated with project quality management activities.B) Cost-benefits tradeoffs must be considered.C) The primary cost of meeting quality requirements is increased rework.D) Benefits cannot be evaluated in relation to costs.
芭蕾舞剧
