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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 faraway places.This was because most cities had only one antenna tower for mobile phones.
Today’s mobile phones are small and easy to use.Now most cities have a lot of antenna towers,not just one.This means that each mobile phone doesn’t have to send its signal far away,so they don’t need to be so powerful.Mobile phones today use small batteries.A large city,where lots of mobile phones are used,can have hundreds of towers.
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 messages.
Sending short written 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!
1.The writer talks about uses of a mobile phone.
A.three B.five C.seven D.nine
2.Why did the mobile phones need large powerful batteries some years ago?
A.Because most cities had only one antenna tower.
B.Because the mobile phones were too large.
C.Because the mobile phones could be used for a long time.
D.Because the mobile phones had to send their signal to faraway places.
3.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.
4.What does “Will I C U B4 2moro?” probably mean?
A.Will I see you before two past four in the morning?
B.Will I see you by 4∶02 in the morning?
C.Will I see you before tomorrow?
D.Will I see you by four tomorrow?
5.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.
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First I looked at some of the 6 discoveries. One of the earliest discoveries, the famous experiment that proved that bodies of different 7 fall at the same speed, was made by Galileo when he was 26. Madam Curie started her research that 8 to the Nobel Prize when she was 28. Einstein was 26 when he published his world-changing theory of relativity. Well, 9 of that. Yet I 10 if those“best years”were true in other 11 .
Then how about the field of 12 ? Surely it needs the wisdom of age to make a good leader. Perhaps it 13 ,but look when these people 14 their career. Winston Churchill was elected to the House of Commons at the age of 26. Abraham Lincoln 15 the life of a country lawyer and was elected to government. At what age? Twenty-six.
But why 16 best years some after thirty? After thirty, I 17 ,most people do not want to take risks or try 18 ways. Then I thought of people like Shakespeare and Picasso. The former was writing wonderful works at the ripe age of fifty, while the latter was 19 trying new ways of painting when he was ninety!
Perhaps there is still 20 for me.
1. A. invention B. discovery
C. experiment D. progress
2. A. mind B. idea
C. attention D. thought
3. A. As B. Being
C. However D. Beyond
4. A. Everybody B. Somebody
C. Nobody D. Whoever
5. A. names B. ages
C. addresses D. oldest
6. A. modern B. scientific
C. last D. oldest
7. A. heights B. sizes
C. weights D. things
8. A. led B. meant
C. stuck D. referred
9. A. plenty B. enough
C. much D. none
10. A. believed B. trusted
C. wondered D. asked
11.A. fields B. countries
C. courses D. ages
12. A. agriculture B. politics
C. industry D. society
13.A. is B. will
C. has D. does
14. A. finished B. went
C. started D. failed
15. A. devoted B. gave up
C. began D. led
16. A. don’t B. the
C. can D. not
17. A. say B. know
C. guess D. agree
18. A. other B. new
C. best D. their
19.A. always B. still
C. seldom D. enjoying
20. A. discovery B. problem
C. wish D. hope
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