题目内容

混凝土拌合物中,水泥浆越多和易性越好。

A. 对
B. 错

查看答案

搜索结果不匹配？点我反馈

更多问题

SBS改性沥青卷材是弹性体材料,具有优异的耐高温性能。

A. 对
B. 错

If the paper in the printer______, call sombody at once.

A. recycles
B. replaces
C. jams
D. spills

Be______ at all time.

A. neat
B. near
C. never
D. new

Show respect for your colleague's workspace and______ when you enter sombody's office.

A. be careful
B. knock
C. disturb
D. be aware