人类教育赖以存在和发展的决定性力量是( )
A．人口数量
B．自然环境
C．政治需要
D．社会生产
参考答案：D
—I want to see the film. Would you like to go with me?
—____
A．Certainly, I like .
B．Yes. I’d like to.
C．Yes, I would.
D．No, I’d like to.
选用砌石路基，砌石顶宽宜采用( )，基底面以1:5向内倾斜，砌石高度为2～15m。
A．0.6m
B．0.8m
C．1m
D．1.2m
