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【单选题】
( )不是电子商务网站制作的三大流程。A.
规划设计
B.
实施制作
C.
网站推广
D.
发布维护
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】How many PPM of the oily water can be pumped out within 12 miles along the China coast line？ ______.
A.
at least 15 PPM
B.
about 15 PPM
C.
up to 15 PPM
D.
no less than 15 PPM
【单选题】Q: How did the second speaker deal with oily waste?
A.
Discharge overboard.
B.
Burnt.
C.
Discharge ashore.
D.
Recycled.
【单选题】Q: How do they maintain the oily water separator?
A.
They flush filters with steam at regular intervals.
B.
They usually flush filers with sea water.
C.
They always flush filers with sea water.
D.
They flush filters with steam sometimes.
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