湿陷性黄土在天然含水量时一般呈坚硬或硬塑状态,具有( )等特性。
A.低渗透性
B.低抗剪强度
C.高孔隙性
D.低的或中等偏低的压塑性
E.较高的强度
参考答案:D,E
—_____ you use to play football?
—Yes, you are right.[ ]
A. Are
B. Do
C. Did
D. Will
This is my _________ , and those are my _________ .
A. sister;brother B. sister;brothers C. sisters;brothers