【简答题】A.It became a hit. B.It was a failure. C.It was a success in a long run. D.It never stopped.
【简答题】发动机两大机构,发动机下面机构在点火时,气体燃烧膨胀做功,在一个工作循环中,活塞往复运动次。推动连杆带动曲轴旋转。
【单选题】Why did he buy it?
A.
It was very interesting.
C.
It was a good reading material for learning English.
【简答题】A.It was a dinner party. B.It was a neighborhood party. C.It was a birthday party. D.It was a bank party.
【简答题】It was a quiet village in which there was a military camp. It was far from the towns and cities and there were some high mountains around. Of course it was a good place for training the new soldiers. ...
【简答题】发动机两大机构,发动机下面机构在点火时,气体燃烧膨胀做功,在一个工作循环中,活塞往复运动_次?
【简答题】发动机两大机构,发动机在一个工作循环中,曲轴旋转通过皮带或链条,带动凸轮轴旋转____圈。
【简答题】A.It was a great comfort. B.It was a sign of er. C.It was a call for help. D.It was a musical note.
【简答题】A.They believed it was a gift from the gods. B.They believed it was a warning from outside world. C.They believed it was a sign of misfortune. D.They believed it was a trouble- property.
【简答题】发动机两大机构,发动机下面机构在点火时,气体燃烧膨胀做功,在一个工作循环中,连杆带动曲轴旋转____圈。