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    On Sunday , April 22nd , people all over the world take time out to appreciate the earth that we all share .It’s Earth Day , a special day to learn about our planet and how to take care of it .
    On Earth Day , some people listen to speeches about the environment . Others help clean up their offices or save water and electricity at home .Your parents may even decide to take a day off from driving their cars .
    The idea for Earth Day came from a U.S. Senator(参议员) . He was worried about pollution and the health of plants and animals . And the idea quickly caught on (流行起来) . In 1970 , the first Earth Day was celebrated . More than 20 million people in cities all over the U.S. took part in it .Since then, Earth Day has been used to educate people about their roles in taking care of our planet .
    Now , Earth Day has become a worldwide celebration. In 1990, two hundred million people from 140 countries took part in clean-ups , tree planting and other environmental events on  Earth Day .  
    小题1:Earth Day is a special day to learn about our planet and          .
    A．how to pay attention to the earth
    B．how to learn English
    C．how to go to the moon
    D．how to make use of time
    小题2:On Earth Day , we are told to           .
    A．go shopping
    B．save water and electricity at home
    C．listen to music
    D．drive our cars
    小题3:The idea for Earth Day was given by a __________ from America .
    A．farmerB．teacherC．scientistD．senator
    小题4:According to the passage ,the first Earth Day was celebrated in____________ .
    A. 1990, the U.S.A.              B. 1970, Beijing
    C. 1970, America                D. 1990, America
    小题5:Why has Earth Day become a worldwide celebration ? Because __________.
    A．Earth Day is on Sundays .
    B．we can sing songs on Earth Day
    C．there are so many people on Earth Day
    D．Earth Day can teach people how to take care of our planet

    小题1:A
    小题2:B
    小题3:D
    小题4:C
    小题5:D

    试题分析：这篇短文主要介绍了在4月22日,世界各地的人们都在关注地球。这个特殊的日子就是为了让人们关爱地球，爱护环境。现在越来越多的人参加到这个活动中来。
    小题1:细节理解题。根据第一段Earth Day , a special day to learn about our planet and how to take care of it可知地球日是了解地球和怎样关爱地球的特殊的一天。故选A。
    小题2:细节理解题。根据第二段Others help clean up their offices or save water and electricity at home可知选B.
    小题3:细节理解题。根据第三段The idea for Earth Day came from a U.S. Senator(参议员) .可知这个想法来自美国的一个参议员。故选D。
    小题4:细节理解题。根据第三段In 1970 , the first Earth Day was celebrated 可知地球日是在1970年第一次被庆祝。故选C.
    小题5:推理判断题。根据短文的主旨大意可知，地球日的设立就是为了让人们关注地球，保护地球。故选D。
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