练习册

  • 练习册
  • 试题
    send text messages to 发送信息到-- 【查看更多】

     

    题目列表(包括答案和解析)

    单项选择根据短文内容从各题的四个选项中选择一个最佳答案

    　　Cell phones(移动电话)are all around us．We use cell phones to call our friends, send text messages, play games, and even take photographs．Now imagine using your cell phone to call your air conditioner(空调器)．If this were possible you could tell your air conditioner to rum on before you got home．Does this sound impossible to you?Well, it could become possible sooner than you think．In the near future, we might use cell phones as remote controls(遥控器)for the electrical devices(电器)in our homes．People are already working to develop different ways to communicate wirelessly(无线的)with devices we use every day．For example, it is already possible for cell phones to communicate with laptop computers．Business people using laptops during meetings Call use their cell phones as remote controls．They can use their cell phones to send instructions to computers to turn on, change pictures, and turn off．

    　　With the same technology(技术), people can use their cell phones to control other devices．You Can call your stereo(立体声音响设备)to play music automatically(自动地)．You Can call your lights to turn on when you enter a room．Maybe even by next summer you will be able to call your air conditioner !

    (1)

    What is the main idea of this passage?

    [　　]

    A．

    In the future we will all need air conditioners．

    B．

    Business people need to use computers．

    C．

    Some people like to make phone calls to machines．

    D．

    We will use cell phones as remote controls in the future．

    (2)

    Cell phones can be used to rum on and off ________ in the future．

    [　　]

    A．

    a special computer

    B．

    different kinds of devices

    C．

    cell phone companies

    D．

    remote controls

    (3)

    Which probably could NOT be controlled by a cell phone?

    [　　]

    A．

    An air conditioner or heater．

    B．

    A computer or printer．

    C．

    A table or a basket．

    D．

    A CD player or MP3 player．

    (4)

    The underlined words“laptop computers”mean ________?

    [　　]

    A．

    台式计算机

    B．

    大型计算机

    C．

    便携式计算机

    D．

    计算机控制中心

    (5)

    Which instructions can be sent to a laptop according to the passage?

    [　　]

    A．

    Play sound and music．

    B．

    Start and shut down．

    C．

    Call again and hang up．

    D．

    Go faster and go slower．

    查看答案和解析>>

    阅读表达。

    　　WARNING：Holding a cell phone against your ear or putting it in your pocket may be bad for your health．

    　　This sentence is a warning that you'd better not put it close to you when a new phone is bought．Apple company, for example, doesn't want iPhones to come closer to you than 1.5 centimeters; Research In Motion, BlackBerry's producer, recommends 2.5 centimeters．

    　　(1)If cell phone use can ________ health problems, the ________ will be very serious．Americans spend 2.26 trillion minutes chatting on cell phones every year, which brings ＄109 billion for the wireless businessmen．

    　　Devra Davis, an epidemiologist(皮肤病专家)who has worked for the University of Pittsburgh, has published a book about mobile phone radiation(辐射)"Disconnect．" Davis studies how often brain cancer happens during different age groups．She finds a big increase in brain cancer in the 20－to－29 age group and a drop for the older people．

    　　Children are more easily hurt by radiation than grown－ups, Ms．Davis and other scientists point out．But no studies have yet been finished on cell phone radiation and children, she says．

    　　Henry Lai, a research professor, began lab radiation studies in 1980 and found that mice exposed to(暴露在)radiofrequency(电波频率)radiation had destroyed DNA in their brains．

    　　Ms．Davis recommends using wired earphones(有线耳机)or the phone's speaker．(2)Children should send text messages rather than call, she said, and pregnant women should keep phones away from their bodies．

    1．在(1)句空白处填入适当的词使句意完整、上下文通顺。

    ________

    2．将(2)句翻译成中文。

    ________

    3．回答问题：What kind of people with brain cancer are getting more and more?

    ________

    4．找出同意句。

    Scientists are still carrying on with the studies on cell phone radiation and children

    ________

    5．找出或写出该短文的主题句。

    ________

    查看答案和解析>>

    找出错误并改正

    You can also be cool by playing games on mobile phones or send text messages to

    　　　　　　 A　　 B　　　　 C　　　　　　　　 D

    your friends.

    ________

    查看答案和解析>>

    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.

    [　　]

    查看答案和解析>>

    阅读理解

    　　Cell phones are all around us．We use cell phones to call our friends, send text messages, play games, and even take photographs．Now imagine using your cell phone to call your air conditioner(空调)．If this were possible you could tell your air conditioner to turn on before you got home．Does this sound impossible to you?Well, it could become possible sooner than you think．In the near future, we might use cell phones as remote controls(遥控器)for the electrical machines in our homes．

    　　People are already working to develop different ways to communicate wirelessly(无线通讯)with machines we use every day．For example, it is already possible for cell phones to communicate with laptop computers．Business people using laptops during meetings can use their cell phones as remote controls．They can use their cell phones to send instructions to computers to turn on, change pictures, and turn off．

    　　With the same technology, people can use their cell phones to control other machines．You can call your stereo(立体声音响设备)to play music automatically(自动地)．You can call your lights to turn on when you enter a room．Maybe even by next summer you will be able to call your air conditioner!

    (1)

    What is the main idea of this passage?

    [　　]

    A．

    Business people need to use computers．

    B．

    In the future we will all need air conditioners．

    C．

    Some people like to make phone calls to machines．

    D．

    We will use cell phones as remote controls in the future．

    (2)

    Cell phones can be used to turn on and off ________ in the future．

    [　　]

    A．

    text message

    B．

    different kinds of machines

    C．

    remote controls

    D．

    cell phone companies

    (3)

    Which probably could NOT be controlled by a cell phone?

    [　　]

    A．

    A table or a basket．

    B．

    A computer or printer．

    C．

    An air conditioner or heater．

    D．

    A CD player or MP3 player．

    (4)

    When will people be able to use their cell phones as remote controls for their homes?

    [　　]

    A．

    Now．

    B．

    Before．

    C．

    Soon．

    D．

    Never．

    (5)

    Which instructions can be sent to a laptop according to the passage?

    [　　]

    A．

    Start and shut down．

    B．

    Play sound and music．

    C．

    Call again and hang up．

    D．

    Go faster and go slower．

    查看答案和解析>>


    同步练习册答案