问题
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The current death rate is reduced _______ 10% compared with that of the year of 1980.A
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The survey was focused on 查看材料A.the living conditio
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According to the passage, a survey about butterflies is carried on by______.A.British Isle
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What do we know about the shark attacks from the passage?A.There was a lower death rate in
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The survey of bright children was made to______.A.find out what had happened to talented c
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The survey was focused on______.A. the living con