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    What do you usually use mobile phones for? Sending text messages for fun? Playing games? Well, mobile phone can do f 1 more than that. D 2 this year’s Asian tsunami , mobile phones saved many l 3 . More than 10000 international phones were w 4 when the tsunami hit. Police sent text messages to them and found more than 2000. But how? People f 5 the signal and found out w 6 the tourists were. So, how can s 7 so small be so smart? Well, here’s how! When you turn the phone on, it tries to find a signal. This signal. This signal comes from the telephone network. If you have a signal you can see it on the phone’s screen. Sometimes, if the signal is weak, i 8 can be difficult to make a phone call. When the phone is finding a signal, it also sends a m 9 to the telephone network. This message tells the station where the phone is. When you start to make a phone call, the telephone network tells telecommunication offices where you are. The office will find out who you’re calling then put you t 10 to your friend! 【查看更多】

     

    题目列表(包括答案和解析)

    综合填空：

    　　What do you usually use mobile phones for?Sending text messages for fun?Playing games?Well, mobile phone can do f　　1　　 more than that．D　　2　　 this year’s Asian tsunami(海啸)，mobile phones saved many l　　3　　．More than 10000 international phones were w　　4　　 when the tsunami hit．Police sent text messages to them and found more than 2000．But how?People f　　5　　 the signal and found out w　　6　　 the tourists were．So, how can s　　7　　 so small be so smart?Well, here’s how!When you turn the phone on, it tries to find a signal．This signal．This signal comes from the telephone network．

    　　If you have a signal you can see it on the phone’s screen．Sometimes, if the signal is weak, i　　8　　 can be difficult to make a phone call．When the phone is finding a signal, it also sends a m　　9　　 to the telephone network．This message tells the station where the phone is．When you start to make a phone call, the telephone network tells telecommunication offices where you are．The office will find out who you’re calling then put you t　　10　　 to your friend!

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    仔细阅读下列短文, 根据题目, 选出最佳选项. What do you usually use mobile phones for Sending text messages for fun Playing games Well, mobile phones can do far more than that. During this year's Asian tsunami(海啸), mobile phones saved many lives. People were using more than 10,000 international phones when the tsunami hit. Police sent text messages to them and found more than 2,000. But how They followed the signal(信号) and found out where the tourists were. So, how can something so small be so smart Well, here's how. When you turn the phone on, it tries to find a signal. This signal comes from the telephone network. When the phone is finding a signal, it also sends a message to the telephone network. This message tells the station where the phone is. When you start to make a phone call, the telephone network tells telecommunication(电信) offices where you are. The office will find out who you're calling, then put you through to your friend. When you start to talk, a device(装置) in the phone changes your voice into electric signals. These signals travel across the telephone network and reach your friend's phone. Then his phone changes the signals into your voice again. Finally, you can hear each other!

    (1)

    What's the main idea of this passage It tells us ________.

    A. mobile phones are very useful and how they work

    B. mobile phones saved all the lives during this year's Asian tsunami

    C. mobile phones can only be used to send text messages and play games

    [　　]

    (2)

    People were using ________ international phones when the tsunami hit.

    A. more than 2,000

    B. over 10,000

    C. 8,000

    [　　]

    (3)

    What's the meaning of "smart" in the passage

    A. Clever and quick.

    B. Funny and expensive.

    C. Foolish and small.

    [　　]

    (4)

    When you turn the phone on, it tries to find a signal from ________.

    A. the mobile phones

    B. the telecommunication offices

    C. the telephone network

    [　　]

    (5)

    From the passage, which sentence is TRUE

    A. When you start to make a phone call, the telephone network tells your friend where you are.

    B. When you start to talk, a device in the telephone changes electric signals into your voice.

    C. During this year's Asian tsunami, police followed the signal and found out where the tourists were.

    [　　]

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