捞油每班次要检查整车的供油管路、()、液压管路的密封性。
A、发动机
B、传动轴
C、轮胎螺钉
D、气管路
参考答案:D
根据句意,用括号中所给词的正确形式填空,每空填一词。
1. The young man was charged with (break) into several computers.
2. The radio says there will be much (snow) next week.
3. Yang’s great (achieve) in science go beyond what we have thought.
4. Scientists can’t explain (appear) of dinosaurs correctly. They are trying their best to find the reason.
5. Are people who work till 10 o’clock in the evening more (energy) than those who stop at 5 o’clock in the afternoon?
对管道分段进行气压试验时,升压速度不宜过快,每小时不宜超过()
A、1MPA
B、3MPA
C、5MPA
D、10MPA