悬挑式脚手架用于锚固的U型钢筋拉环或螺栓与型钢间隙应用（）楔紧.
A、木楔
B、砖头
C、水泥
参考答案：A
人们在保持知识时采用各种记忆术，实际是应用了记忆的()
A.精加工策略
B.多重编码
C.过度学习
D.人为增加线索
Which of the following is NOT considered a constraint when preparing an investment policy statement（）
A. Liquidity needs.
B. Time horizon.
C. Risk tolerance.
