Street performers（表演者）used to be street musicians（音乐人）before．The history of street musicians can go back to the Middle Ages（中世纪） in Europe．They were called "troubadours" then．Nowadays，street performers are not only musicians．They can be actors，clowns，dancers，storytellers and so on．Most people call street performers "buskers" now．People often come across buskers on busy shopping streets and near parks and watch their shows．In return，they give the buskers some money before they move on．

In some cities，buskers need a permit（许可证）while in other cities the permit isn't necessary．Most cities welcome buskers．It is believed that in busy city﹣center areas，buskers can help attract more shoppers．As people stopped to enjoy street shows，they are more likely to visit the nearby shops and do some shopping there．

46．Which of the following is TRUE about street performers？ 　　

A．	They are called "troubadours" nowadays
B．	Most people now call them "buskers"
C．	They first appeared in Africa．
D．	They are all musicians．

47．Street performers include musicians，actors，and 　　．

A．	shoppers
B．	drivers
C．	clowns
D．	writers

48．What does the underlined word return（paragraph 2）mean in Chinese？ 　　

A．	交换
B．	返程
C．	交流
D．	讨论

49．Why do most cities welcome street performers？ 　　

A．	Because they have a permit to perform in a city center．
B．	Because they can sell things to the shoppers．
C．	Because they can attract more peoples．
D．	Because they can earn money by performing．

50．What does this passage mainly talk about？ 　　

A．	Facts about street performers．
B．	What street performers can do．
C．	Street performers' skills．
D．	How street performers make money．