As Chinese traditions go，few things are better than siting around a hotpot while autumn and winter come over North China.Studies show that Kublai Khan，the emperor of the Yuan Dynasty （1271-1368），invented mutton hotpot.
    For a long time，only Beijing's rich people could get their hands on mutton hotpot.Emperor Qianlong （1711-1799）was a true hotpot lover，eating the dish more than 200 times in 1789.
    Among the vegetables and meat spread out on the dinner table，mutton has been placed front and center.Many people believe mutton has the effect（效果）of warming the body，making it an ideal food for the colder months.Sheep are also generally fattened up after a summer of eating，making them perfect for meat lovers through the winter.
    The Chinese capital is home to more than 2，000 mutton hotpot restaurants，according to the food platform Dazhong Dianping.There are well-known hotpot brands such as Jubaoyuan，Manfulou，Yangdaye，Nanmen and Donglaishun.
    Today，many mutton hotpot restaurants divide the meat into many kinds according to which part of a sheep it is cut from.An experienced cook can cut the meat so thin that people can read the words of a book through the piece of the meat.
    In the old days，restaurants in the capital only started serving mutton hotpot from Mid-Autumn Festival （the 15th day of the eighth lunar month）.Business often stopped after Spring Festival.Restaurant workers would have to find a new job after Dragon Boat Festival （the fifth day of the fifth lunar month），when business came to an end.Nowadays，however，people can enjoy the mutton hotpot all year round with technological development in mutton production across the country.

（1）Who was supposed to be the inventor of mutton hotpot？

Kublai Khan.

Kublai Khan.

（2）How can we tell Emperor Qianlong was a true hotpot lover？

He ate the dish more than 200 times in 1789.

He ate the dish more than 200 times in 1789.

（3）What things are also provided besides mutton when people enjoy mutton hotpot？

The vegetables and meat.

The vegetables and meat.

（4）Why do people like to eat mutton in winter？

Because mutton has the effect of warming the body and sheep are also generally fattened up after a summer of eating，making them perfect for meat lovers through the winter.

Because mutton has the effect of warming the body and sheep are also generally fattened up after a summer of eating，making them perfect for meat lovers through the winter.

（5）How many famous hotpot brands are mentioned in the passage？

Five.

Five.

（6）What can people do through the piece of thin meat cut by an experienced cook？

People can read the words of a book through the piece of the meat.

People can read the words of a book through the piece of the meat.

（7）Why would restaurant workers have to find a new job after Dragon Boat Festival in the old days？

Because business came to an end.

Because business came to an end.