题目内容

通用硅酸盐水泥包括硅酸盐水泥、()水泥、()水泥、火山灰质硅酸盐水泥、粉煤灰硅酸盐水泥和复合硅酸盐水泥六大类。

查看答案
更多问题

A lot of growing companies only focus one factor, the price, when they are looking for their supplies.

A. with
B. on
C. in
D. for

Many rental car companies allow you to make a reservation without deposit.

A. to pay
B. pay
C. paying
D. paid

There is a growing body of evidence helping others is a key ingredient for life satisfaction.

A. which
B. that
C. who
D. whom

such intense public debate about the place of the university and its role in socitety.

A. Never there before has been
B. Never before there has been
C. Never before has there been
D. Never there has been before

答案查题题库