钢筋混凝土模板拆除的规定为( )。
A.混凝土达到拆模的强度
B.先支先拆,后支后拆
C.先支后拆,后支先拆
D.先拆非承重,后拆承重
E.先拆承重,后拆非承重
参考答案:A,C,D
—Do you like the material?
—Yes, it ___________ very soft.
A.is feeling
B.felt
C.feels
D.is felt
He likes to()stamps as his hobby.
A.collect
B.raise
C.gather
D.pick