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AlexanderGrahamBellwasbornin1847inScotland,butwhenhewas...
  • AlexanderGrahamBellwasbornin1847inScotland,butwhenhewas...

  • 问题详情:AlexanderGrahamBellwasbornin1847inScotland,butwhenhewasyoung,healwaystookcareofhisalmost   61   (entire)deafmotherandhebecome   62  (interest)inhelping deafpeople, 63 ledhimtoinventthemicrophone.Hewas  64  (curiosity)aboutth...
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