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20 million people all over America celebrated the first Earth Day(地球節)on April 22，1970．Now people across the world celebrate it．

    Every day we can hear worse news about our Earth．Reports tell us that wildlife and forests are disappearing at a fast speed(速度) and the pollution is more and more serious．There are many kinds of pollution，such as air pollution(污染)，water pollution，noise pollution and soil (土壤)pollution．They are all bad for our health．What can we do to protect our mother Earth?

  In fact，we do not have to feel helpless．We can learn practical(實用的)ways to make our environment(環境)better．For example，saving and recycling newspapers．And still many other small things can help protect the environment．

1．Which country celebrated the first Earth Day?

  A．All countries together    B．China．    C．Japan．    D．America．

2．How many kinds of pollution does the passage mention(提及)?

  A．1        B．2         C．3         D．4

3．What are disappearing fast on Earth?

  A．Animals and forests          B．Wildlife and forests

  C．Soil and wild life．          D．Population and forests

4．What does the writer try to do?

  A．To tell people that our Earth is dying．

  B．To tell people that we are helpless to save our Earth

  C．To ask people to find out more ways to save our Earth．

  D．To ask people to celebrate Earth Day every year．

5．Which one is in the right order for the following festivals?

  1．Children’s Day      2．Earth Day      3．Christmas Day      4．Labor Day

  A．2-4-1-3        B．1-2-3-4         C．4-2-3-1         D．4-3-2-1