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    4. Is there any life on other p      except the earth?

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    Antarctic(南极)，the coldest place on the earth，   is too cold for most living things. However, things are different for penguins(企鶴).Several types of penguins make their home in Antarctic.

    They walk with short steps, however, they don't have " Happy Feet”. Some of Antarctic's penguins are endangered, or at the risk of dying out. The animals search for food near the Antarctic's coasts. TTiey use the ice on the sea as a place to rest while they search. In recent years,global warming,the slow rise of the earth's temperature, has been causing the ice to melt(融化).

    People add to global warming when they drive cars or use electricity. That burns fuels, such as coal,oil and natural gas. The burning of fuels gives off gas that warms the earth. The harmful gas stays in the air above Antarctic. Scientists find that the west side of Antarctic is especially affected by global warming.

    "Global warming is reducing the amount of food for penguins so that they can't find enough food to eat”，said Shaye Wolf.

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    阅读短文，选择最佳选项。

    (   ) 1. The penguins search for food      

    A.  near the Antarctic's coasts

    B.   around the ice on the sea

    C.   in the west side of Antarctic

    D.  in the seas all over the earth

    (   ) 2. Nowadays, global warming      

    A.  causes the penguins to leave Antarctic

    B.  causes the ice in Antarctic to melt

    C.  makes the penguins own a more comfortable place

    D.  makes the earth's temperature lower and lower

    (   ) 3.______ gives off gas that warms earth.

    A. Too much coal and oil 

    B.  The hot atmosphere

    C.  The melting of sea ice

    D.  The burning of fuels

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    A.  use cars and electricity more often

    B.  use cars and electricity less often

    C.  give up using coal

    D.  do something to protect the penguins 

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    B.   The Coldest Place on the Earth

    C.   The Advantage of Global Warming

    D.  Some Ways to Save the Endangered Animals

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