A．wash the car
B．water the garden
C．clean the toilet
D．dispose of wastes
[单选题]The disadvantage above mentioned can be overcome by （）A . combined transportB . More frequencyC . Fast trainD . More flexible
[单选题]Sea water is not directly used as a coolant for engines because of its （）.A . low specific heatB . corrosive actionC . high expenseD . acid property
[单选题]Fresh water is used for the cooling of cylinder jackets and （） of the marine diesel engine.A . cylinder coversB . lubricating spaceC . crossheadD . exhaust manifold
[单选题]Diesel engine jacket water is used in the distillation process as the （）.A . coolant for the distillateB . coolant for the brine coolerC . means of heating the feedwaterD . primary means of producing a vacuum within the distiller
[问答题]While water can carry a boat, it can also overturn it.
[单选题]（）can be used for carrying goods to the pointed place automatically.A . Automatic beltB . Automatic conveyorC . Automatic Guided VehicleD . Robot
[多选题]The air waybill can be used for （ ）.A.customs declarationB.the proof of the
[多选题]The air waybill can be used for （ ）.A.customs declarationB.the proof of the
[问答题]You can buy water inside.
[单选题]Ballast water can only be（）in cargo tanks in exceptional cases where the particular character of the operation of an oil tanker renders it necessary to carry ballast water in excess of the quantity required，provided that such operation of the oil tan