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【单选题】
油类,油性混合物对海洋环境污染的途径主要有:1机舱污水和残油的排放2含油的压载水和洗舱水的排放3船舶海损事故造成的溢油4供,受油作业中的跑,冒,滴,漏A.
2～4
B.
1~3
C.
1～4
D.
3、4
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【单选题】Lots of people go shopping on Saturdays and the shops are really ________.
A.
interested
B.
worried
C.
bored
D.
crowded
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【单选题】------There are lots of people in the street. What happened ? ----- go and have a look ?
A.
Why don’t
B.
Why not
C.
How about
D.
What about
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