以下对后戗的规定正确的是()。
A、坡度不应陡于原有堤坡
B、坡度小于1:1
C、高度不超过最高洪水位
D、厚度视土堤滑坡、坍塌程度而定
E、一定和原渠堤同高
参考答案:A, B, D
— Do you want me to wash your clothes?
— _____. [ ]
A. Sounds great Why not?
B. Thank you, but I can manage it.
C. I couldn't agree more.
D. They are not dirty at all.
动物对人类有用的同时,有些动物也可以传播疾病或危害农作物。[ ]