单项选择题

Paragraph 2 indicates that _______.

A．most of man's employment is from fishing
B．man can always turn to fishing for employment
C．forty percent of Chileans live on fishing boats or ships
D．fishing has been the biggest industry in Newfoundland

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单项选择题

The animal source which provides the most protein for human being is _______.

A．beef
B．fish
C．pork
D．chicken

单项选择题

The balance between jobs and the environment can be kept if _______.

A．fishing capacity is further increased
B．fishing jobs are further increased
C．fewer well-equipped fishing ships are used
D．fewer species are allowed to rebuild