Music has many forms．Most counties have a style（風(fēng)格）0f their own．For example，Argentina（阿根廷）is famous for tango；the USA is well-known for jazz，which has become popular all over the world．

Jazz is natural and free．It’s different from classical music，which follows European traditions．Jazz became popular music because of America．American blacks made the music of Jazz．At the time rich Americans bought blacks and made them work for every day．The blacks often sang when they were working．Singing made the hard work go faster．And the music made everyone happy．It was an early form of jazz．Music has always been important in blacks’ life because they have a rich musical tradition．In the fields，they made up this kind of music．Soon，the music became a part of American music．

1．What does the underlined word“forms”mean?

A．表格                      B．表現(xiàn)                       C．種類(lèi)                      D．用處

2．What kind of music is Argentina famous for?

A．Tango．                 B．European music       C．Classical music．    D．Techno．

3．Which kind of music follows European traditions?

A．Jazz．                    B．Pop                        C．Classical music．    D．Rock．

4．Who made the music of Jazz?

A．Rich Americans．                                       B．American blacks．

C．American musicians                                   D．American workers．

5．Why did the blacks often sing when they were working?

A．Because they liked music very much．

B．Because the rich Americans wanted them to do that．

C．Because they don’t like the work．

D．Because singing made them happy．