In discussing oil pollution, one important fact to remember is that the problem remains the same( )heavy( )light oil is spilled into the water.

A．both/and

B．whether/or

C．neither/nor

D．because/so

[单选题]The International Oil Pollution Prevention Certificate is valid for a period ofA．one year from the date of issueB．five years from the date of issueC．three years from the date of issueD．four years from the date of issue

[单选题]The International Oil Pollution Prevention Certificate is valid for a period of______.A．one year from the date of issueB．five years from the date of issueC．three years from the date of issueD．four years from the date of issue

[单选题]Oil Pollution Regulations require any transfer or discharge of oil or oily mixtures to be recorded in theA．bridge logB．Master's logC．engine room logD．oil record

[单选题]One of the reasons that causes oil flowed from sludge outlet of a self-cleaning purifier isA．seal water supply be cut offB．make-up water supply be cut offC．oil outlet valve closed or not open sufficientlyD．the flow rate of oil is too much

[单选题]Fuel oil is thought to be one of the main factors （） the operation and maintenance of an engine.A . have nothing to do withB . having nothing to do withC . have much to do withD . having much to do with

Choose the best answer.The anti-plastic partnershipPlastic pollution is one of t

[问答题]Air pollution is more serious than water pollution.

[问答题]Air pollution is more serious than water pollution.

One very（ ）serious problem is energy. We get a great （ ） of energy we need from

[单选题]The quality of the fuel oil and lube oil （）, Im afraid.A . has much to do with the operation of the engine and its lifeB . have much to do with the operation of the engine and its lifeC . has much doing with the operation of the engine and its lifeD