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    14．-Will people live to be 300 years old? - A．No.they won't B．No.they aren't C．Yes.they won't D．Yes.they do 【查看更多】

     

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    —Will people live to be 300 years old?

    —                        

    A．No，they won't                         B．No，they aren't

    C．Yes，they won't                          D．Yes，they do

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