能充分发挥材料抗压强度的基础是( )。
A．柔性基础 B．钢筋混凝土基础 C．刚性基础 D．片筏基础
参考答案：C
The story book is so_ that I want to read it again.
[ ]
A. interest
B. interested
C. interesting
D. interests
预防患者自伤或伤人的防护用具是()
A．床档
B．约束具
C．支被架
D．悬吊带
E．棉圈
