混凝土电杆基础采用卡盘时，应满足哪些规定？
参考答案：
①安装前应将下部土壤分层回填夯实；
②安装位置、方向、深度应符合设计要求。
— What do you mean by saying every minute counts?
— I just mean that every minute must be made full use of ______ for the final examination. [ ]
A. prepare
B. prepared
C. preparing
D. to prepare
“己欲立而立人，己欲达而达人”体现了下列哪种精神（）
A.中庸之道
B.忠恕之道
C.经世致用
D.存天理，灭人欲
