题目内容

2、含气量也是影响混凝土抗冻性的主要因素

A. 对
B. 错

查看答案

搜索结果不匹配？点我反馈

更多问题

4、抗冻等级F50以上的混凝土简称为抗冻混凝土

A. 对
B. 错

They were_______towards the city.

A. having
B. causing
C. forcing
D. making

It is important that you_______ quickly to whatever is said.

A. respond
B. responded
C. will respond
D. are responding

At the beginning of this term, our Chinese teacher_________a list of books for us to read.

A. turned out
B. made out
C. handed in
D. passed on