A mobile phone is in fact a small radio. A radio sends a person’s voice over a long way to another radio. A voice that is sent by radio is called a signal. A radio signal travels very quickly.

Only a few years ago, mobile phones were very large. They needed large batteries.

They had to be powerful to send their signal to far away places. This was because most cities had only one antenna tower for mobile phones.

Do you know what use a mobile phone has? Yes, you can use it to do a lot of things.

Call your friends and family from almost anywhere.

Call the police immediately if there is an accident in the street.

Send or receive an e-mail.

Get information from the Internet.

Send and receive messages：Sending short messages is a popular way to use your mobile phone. Many people use short forms of words, so the messages are quick to write and read. Can you guess what these messages mean? Try reading them out. What do you hear?

RUOK　　　 CUL8R　　　 That’s EZ 　　Will I C U B4 2moro?　　 That’s Gr8!

91. There are about _____ ways of using a mobile phone.

　 A. five　　　　　　 B. six　　　　　　 C. seven　　　　　 D. eight

92. Today’s mobile phones are _____ according to the writer.

　 A. cheap and popular B. small but powerful　 C. big enough　 　 D. easy to use

93. A mobile phone uses _____ to send people’s voice and short messages.

　 A. radio signals 　 　　 B. batteries　 　 　　 C. computers　 　 D. antenna towers

94. Which short message means “See you tomorrow!”?

A. RUOK 　　 　 B. CUL8R 　　　 　 C. That’s Gr8!　 D. CU 2moro

95. What’s the main idea of the passage?

　 A. The common knowledge of the mobile phone

　 B. How the mobile phone will develop

　 C. How the mobile phone works and what use it has

　 D. What short forms of words mean in written messages

　　A mobile phone（手机）is in fact a small radio. A radio sends a person's voice over a long way to another radio. A voice that is sent by radio is called a signal（信号）. A radio signal travels very quickly.

　　Only a few years ago, mobile phones were very large. They needed large batteries（电池）. They had to be powerful（功率高）to send their signal to faraway places. This was because most cities had only one antenna tower（中继站）for mobile phones.

(1）The writer talks about ________ uses of a mobile phone.

(2）What does the writer think of today's mobile phones?

A．They are small but very powerful.

B．They are very popular and cheap.

C．They are very easy for us to use.

D．They are big enough to send a signal.

(3）What does the writer write the article（文章）for?

A．To give us some common knowledge of the mobile phone..

B．To introduce how the mobile phone works and what use it has.

C．To tell us what short forms of words mean in written messages.

D．To show us in what way the mobile phone is expected to develop.