单项选择题

Which of the following best describe the sea resources

A．They are threats to animals and birds.
B．They are unlimited.
C．They can be exhausted of over-harvested.
D．They will be exhausted in the North Atlantic.

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单项选择题

The passage mentions the African Elephant, the Indian Tiger, and the American Eagle as example of which

A．Endangered species.
B．Sea resources.
C．Land animals.
D．Food supplies.

单项选择题

Where is the man living now

A．In London.
B．In New York.
C．In Boston.
D．In Manchester.