同-施工过程流水节拍,主要由()等因素确定。
A.所采用的施工方法、施工机械
B.相邻两个施工过程的搭接情况
C.流水施工的持续时间
D.采用的工作班次
E.施工的工人数、机械台数
A.所采用的施工方法、施工机械
B.相邻两个施工过程的搭接情况
C.流水施工的持续时间
D.采用的工作班次
E.施工的工人数、机械台数
第1题
He couldn' t use his own car because it ______ then.
A.was being repaired
B.was repairing
C.is repairing
D.has been repaired
第2题
听力原文:He kept up his old car because new ones are so expensive.
What did he do with his old car?
A.He maintained the old car.
B.He planned to replace the old car.
C.He discarded the old car.
D.He had his old car fixed.
第3题
He doesn ' t have enough(),while his brother is()in repairing cars.
A)experiences; experience
B)experiences; experienced
C)experience; experience
D)experience; experienced
第4题
He sold his old car to one of his friends.
His old car_________to one of his friends.
第5题
He couldn't use his own car because it ______ then.
A.was being repaired
B.was repairing
C.is repairing
D.has been repaired
第6题
A.Because he was too old to do his duties.
B.Because he asked for retirement.
C.Because she mistook his words.
D.Because she doubted his honesty.
第7题
A.repaired didn’t watch
B.was repairing watched
C.repaired watche
D.was repairing wasn’t watching
第8题
He ______ his old car for a new one as soon as he had won the prize.
A.replaced
B.converted
C.exchanged
D.interchanged
第9题
He ______ his old car for a new one as soon as he had won the prize.
A.replaced
B.converted
C.exchanged
D.interchanged
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