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       B. $9.99 a month allows a Centro user to talk freely without extra pay

A. To get the GPS service, one needs to pay another $9.99 for the equipment.

67. Which of the following description of the Centro smart phone is correct?

66. You may purchase a Centro smart phone because of its ________.

       A. low price                                           B. Bluetooth

       C. instant messaging                              D. combine voice

65. Music ID helps Centro users to ________.

       A. download music                                             

B. compose music

       C. find out information about some music unknown to them

       D. record their own singing and share it with their friends

64. People turn their heads and drop jaws to show their ________.

       A. curiosity                B. interest                   C. pride                      D. anger

For only $99.99 - with a two-year service contract - the Centro lowers the entry to buying a smart phone.

• MobiTV: A feature offering live television for $9.99 a month.

• GPS: The Centro supports global positioning system satellite navigation(導(dǎo)航) with an optional（可選的） receiver equipment and service, which costs $9.99 a month for unlimited use.

• Push to Talk: a walkie-talkie-type service (unlimited for $9.99 a month) that lets users talk to a single person or group of up to 29 others.