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    (   ) 2. Air pollution may cause        problems  and even cancer.

    A. breathe     B. breathes

    C. breathing     D. breathed

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    阅读短文，从方框中选择适当的词并用其正确形式填空，使短文通顺、意思完整。请将答案写在下面题号后的横线上。每空限填一词，每词限用一次。方框内有两个词是多余的。

    history,choose,common,mix,fill,enjoy,way,another,young,swim,other,story

    American summers are 1      with outdoor picnics， baseball games and 2      pools. Summer inAmericais a time 3 the outdoors,no matter how hot it might be. Let’s take a look at some of the popular drinks.

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    6.        7.        8.        9.        10.       

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    科目：初中英语 来源： 题型：

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       March 20th is World Water Day every year,  According to a report from the United Nations,more than half of the world’s major rivers have serious water   loss and are polluted. The Yellow River,the world’s fifth longest river,  

    watered some of the oldest farms on earth. But now it j has a serious problem. 1       In most of the past 35 f years,it didn’t reach the sea.

      The Nile in Egypt,running 6，650 km,is the longest river in the world. 2       Now it is down to 2 billion m’ or so.Australia’s Murray River reaches the sea only every other year. One fifth ofAmerica’s Rio Grande  has no water,either.  3        

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       Global warming is making things worse. Warmer weather takes water away. The glaciers (冰川）are becoming smaller. 5       Global warming has had certain effects on water sources (源头）.Droughts. happening around the world make people pay more attention to this fact.

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