单项选择题

The passage suggests that making less use of modem technology may__________.

A．reduce pressure on fish populations
B．threaten the world's annual catch
C．increase government's investment
D．cost tens of thousands of fishermen's jobs

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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

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