The teacher was very angry when he was ______ that the student had been cheating.
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I decide _____ swimming this weekend because I have a lot of homework to do.
A. to not go
B. not to go
C. not going
D. not to going
压浆前,应用压力水冲洗孔道,排除孔内杂物并吹去孔内积水。
A. 对
B. 错
压浆时,水泥浆自调制至压入孔道的延续时间一般不宜超过40min。
A. 对
B. 错