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
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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
单项选择题
In the conflict between jobs and the environment, the author takes sides with those who are in favour of _______.
A．increasing the annual catch
B．creating more jobs
C．getting greater fiscal profitability
D．conserving natural resources
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