碎石类土斜坡稳定性因素主要取决于：（）
A.碎石粒径大小和形状
B.碎石密实程度
C.碎石类土中粘性土性质与地下水情况
参考答案：C
.______himself to children’s charity work, the famous actor missed _________from a terminal disease.
A．Devoted ; being saved
B．Devoting; being saved
C．Devoted; to be saved
D．Devoting; to be saved
单项选择。
I'm hungry. I'd like something ______. [ ]
A. eat
B. to eat
C. eating
D. to drink
