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14．―Will people live to be 300 years old? ― A．No.they won't B．No.they aren'tC．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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