A common rail engine has only one or two high pressure pumps in operation at the same（）time, and the injection into each cylinder.

Dreams are often an elegant means of highlighting problems ______ in the present or the past.

Owners are to be responsible for loss of or damage to the goods or delay in delivery of the goods only in case the loss，damage or delay has been caused by the improper or negligent stowage of the goods．This means that（）.

When there are small differences between the heights of two successive high tides or two successive low tides，the tides are called（）.

In ______, the only element that can be deleted or removed is the one that was inserted most recently.

Where tanks are arranged for either oil or ballast （） must be fitted in the pipe so that only the ballast main or the oil transfer main connected to the tank.

According to the passage, the screen or cutters are fitted to __ (1)kill bacteria (2)break up the solid waste (3)remove solid matter with large size

Dreams are often an elegant means of highlighting problems________  in the present or the past．

It is over two years since my brother ______the army.

It is the ability to do the job ______ matters not where you graduate from or what you are.

The ball _____ two or three times before rolling down the slope.

The two sisters are _____ in many ways, not only in appearance but also in temperament.