采用分层总和法计算软土地基沉降量时,压缩层下限确定的根据是:()
A.σcz/σz≤0.2
B.σz/σcz≤0.2
C.σz/σcz≤0.1
D.σcz/σz≤0.1
参考答案:C
.It is said that if a mirror is broken for no reasons, bad luck is likely to strike, but I really __________ it.
A.doubt
B.believe
C.think
D.support
建筑施工中,混凝土配合比应为( )比。
A.重量
B.体积
C.密度
D.水灰