赞题库-背景图

单项选择题

The animal source which supplies the most protein for human being is ______.

A．beef
B．fish
C．pork
D．chicken

<上一题目录下一题>

热门试题

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The passage suggests that making less use of modern technology may __

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