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3. The dog is too w to stand up. We must take it to the animal hospital.

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2. He went to school by bike as u yesterday.

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1.(2015 •黃石) Nowadays,millions of Chinese leave the countryside to s for work in cities.

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                  New energy in the 21st century 

    Energy from the wind

     Wind is a kind of clean energy,and there is lots of wind. But if there’s no wind,there is no wind energy.

    Energy from the water

     When water moves from a high place to a lower place,it can make electricity (電) without pollution. However,people have to build dams (水現(xiàn)) to use this energy,and building dams is very expensive.

    Energy from the earth 

     There is heat in the rocks under the earth. Scientists use the heat to make geothermal (地?zé)岬? energy. This kind of energy is cheap,but it is only poSwSible in a few places in the world.

    Energy from the sun 

     Solar panels (太陽電池板) on the roofs of houses can turn energy from the sun into electricity. Solar energy is clean and plentiful(豐富的) . But when the weather is bad,it doesn’t work.

    根據(jù)i文內(nèi)容,完成表格。

    New energy in the 21st century

    Sorts of energy  

     

         Advantages


    Disadvantages


    Wind energy

    Clean. There is a lot of     

           wind.

    It needs 1 .


    Water energy

    No 2 .



    It is expensive to build dams.



    Geothermal 


     

     energy

     3 .



    It’s only 4 in a few places.


    Solar energy


    Clean and plentiful.



    It depends too much on(太依賴于) 5 .




    1.2. 3.4. 5.

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    6. He searched his bag for his money yesterday.(同義句轉(zhuǎn)換)

     He his money his bag yesterday.

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    5. He didn’t find anything in the bushes.(同義句轉(zhuǎn)換) 

    He in the bushes.

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    4. When Kate saw Andy in the street,she was very surprised.(同義句轉(zhuǎn)換) 

    Kate was Andy in the street.

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    3. The children sleep with their mouths open.(對(duì)畫線部分提問)

    the children sleep?

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    2. My brother heard a whisper five minutes ago.(對(duì)畫線部分提問) 

    your brother five minutes ago?

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1.There is somebody in the room.(改為一般疑問句)

there in the room?

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