题目内容

国家标准规定,硅酸盐水泥的初凝时间不得短于45min,终凝时间不得长于()h。

A. 5.0
B. 6.5
C. 8.5
D. 10

查看答案
更多问题

In my opinion, she left the letter there ______ so that you'd see it.

A. technically
B. eagerly
C. normally
D. deliberately

As a policeman, Mr. Brown thought that he had a duty to ______ the lost children in finding their homes.

A. assist
B. help
C. provide
D. support

The ______ on his face told me that he was angry.

A. impression
B. sight
C. appearance
D. expression

From all points of view, war would be a ______ to the people.

A. solution
B. catastrophe
C. triumph
D. failure

答案查题题库