When you notice oil on the water near your vessel while taking on fuel, you should FIRST _

A、pollute the environment around

B、find something you didn't notice

C、go every where and use a little oil

D、get off your bike and begin to work

e the strain you could ______．

A.pump fuel oil from midships to the ends of the vessel

B.reduce speed

C.take a course which most eases the vessel

D.All of the above

n you’re biking.(翻译)

A. Did you _____ that his hand was shaking？

B.mind

C.notice

D.attention

E.concentrate

A.Yes, the moment

B.No, as

C.No, when

D.Yes, the more

mind when transferring oil; from heavy oil to light oil？

When an auxiliary boiler is panting and emitting(发出) black smoke, you should______.

A.increase the fuel oil temperature

B.decrease the fuel oil temperature

C.decrease the fuel oil supply pressure

D.increase the air supply

When the steering gear is in operation, you should ______.

A.check hydraulic oil levels every hour

B.check the rams for overheating

C.check for excessive oil leakage from rams

D.drain water from tele-motor cylinders each watch

a virtual private network (VPN) connection. You notice that when you establish the VPN connection, you are unable to access Internet Web sites. When you disconnect the VPN connection, you can access Internet Web sites.You need to access Internet Web sites while you are connected to the VPN connection.What should you do？（）

A.A

B.B

C.C

D.D