Coastal regions are mentioned as cases where _____.
（A）sea water is less salty because fresh water joins in
（B） rivers carry industrial exhaust into sea
（C）sea ice tends to melt more quickly than in the center of oceans
（D） heavy water sinks to the deeper portions of the oceans
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- 1The author’s purpose of writing this passage is to______.
- 2What do we know about the generalizations of people’s type?
- 3—Jim, please don't put your head out of the window on the bus.It's dangerous! —_____________________ 不要把头伸出公交车的窗外那很危险。
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