A.send
B.sends
C.was sent
D.were sent
您可能感興趣的試卷
你可能感興趣的試題
A.any problem
B.some problem
C.any problems
D.some problems
A.did not interrupt
B.were not interrupted
C.had not interrupted
D.had not been interrupted
A.hand it over
B.take it over
C.carry it over
D.carry it out
A.help
B.good
C.use
D.worth
A.to keeping you
B.to kept you
C.to have kept you
D.kept you
最新試題
Diesel engine air start system check valves are opened by （）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
The cetane rating of diesel fuel is an indication of the （）
By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）
The condensers located in various stages of a flash evaporator are cooled by（）
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
To proceed to the assistance of a ship in distress is（）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）