单项选择题

What does the speaker emphasize as the reason for maintaining sea resources

A．Land animals and birds live on them.
B．Fishes are fewer than Indian Tigers.
C．The great fisheries are to be exhausted.
D．It is important food resources.

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热门试题

单项选择题

How widely spread could the effects of the decline in fish supply be

A．Asia and America.
B．America.
C．The whole world.
D．Europe and Asia.

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.