英语阅读理解 带分析的

英语阅读理解 带分析的
There is a village,and all the people in the village are rich.They have beautiful houses and wear very expensive clothes.
They are rich because they're very good at business （贸易）.They buy things and then sell things.
One day,a young man comes to the village.He goes to the market and has a talk with a businessman."Look!" He says,"The
people in your village are all rich.You're all good businessmen,why?" "Why?" answers the businessman,"That is because we
eat many fish,and the fish is very good for your brain （大脑）.It makes us clever." "I see." Says the young man."And what's the name of the fish?" "I don't know," says the businessman,
"But if you give me ten pounds,I can sell you some." The young man thinks this is a good idea.He gives the businessman ten
pounds and the businessman gives him three fish.
After about a month,the young man meets the businessman again."Thank you for your fish," he says,"It's nothing," answers the
businessman."But listen." says the young man,"Three fish are not much for ten pounds," "Ah," says the business-man,"You see,the fish is beginning to work."
根据短文内容,回答下列问题.
1.Why are the people in the village very rich?
2.Does eating a lot of fish make people clever?
3.Why does the businessman say fish is good for brain?
4.How much does the young man pay the businessman for the three fish?
5.Does the young man become cleverer than before?