Aquacultureisoneoftheworld'sfastestgrowingfoodindustries．Itisreplaci

Aquaculture is one of the world's fastest growing food industries．It is replacing commercial fishing in many places and is reducing the price of salmon to about a third of its earlier price．The other benefit of aquaculture is that it allows the wild salmon population to recover．About a quarter of a million more salmon returned to their home rivers to produce eggs each year in the mid-1990 s．Question：What can we conclude from the last paragraph?A.Aquaculture has reduced the price of salmon to about a third of its earlier price．B.Aquaculture is replacing commercial fishing in many places．C.Aquaculture benefits the wild salmon population to recover．D.Aquaculture benefits the ecosystem of the salmon and promotes the development of the food industry．

B解析本段文字的第二个句子是对整个段落的概括，后面举了两个例子，一是使价格降了下来，二是使salmon得以很好地繁殖．A、C都失之偏颇，而D则不是这小节的内容．所以B项正确．

对的，就是这个意思

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