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    阅读理解
         Phoenix , Arizona, the USA was shaken by a big sandstorm recently. It was a huge dust storm that
    struck Phoenix a little after 7:00 pm local time.
         Arizona has sandstorms particularly during the monsoon( 季风 )season which usually starts from
    mid-June until the end of September. However, this was so far the biggest. The cloud of dust turned day
    into night. Some trees were downed, gardens were destroyed and it knocked out power for thousands
    of local people along the area, but luckily no death happened. A number of the people's pools became
    dirty with dust. People who lived in Phoenix for more than 40 years said that this was the first time they
    had experienced this huge dust storm. It could greatly influence people's health.
         The big dust cloud started in Tucson traveling north across the desert. The huge storm ran up to 60
    miles per hour. It was more than 100 miles wide and a mile high. Besides Phoenix and near cities ,the
    storm also reached Yuma area in southwestern and far western Arizona. It reduced the visibility ( 能见度 ) in these areas, putting off the flights at Phoenix Sky Harbor International Airport.
         The storm only takes place in Arizona, the Sahara Desert and areas of the Middle East, because of
    the dry environment and large amounts of sand. Because of the serious shortage of rain, a wall of there's
    a large possibility that the water is polluted because of the storm.
    1. It is fortunate that though the big sandstorm happened,______.
    A. people's health was not influenced
    B. it didn't do harm to people's gardens
    C. the electricity power remained normal
    D. all the local people in the area survived
    2. Sandstorms take place in Arizona as a result of _____.
    A. its being too far away from the sea.
    B. its dry environment and large amounts of sand
    C. its being close to the Sahara Desert
    D. its looking like areas of the Middle East
    3. What does the passage mainly talk about?
    A. Sandstorms do a great deal of harm to people
    B. We must do something to prevent sandstorms.
    C. Phoenix , Arizona in the US experienced a huge sandstorm.
    D. Phoenix, Arizona in the us has more sandstorms.
    1-3: DBC
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    阅读理解。
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