20xx年秋九年級英語全冊unit6whenwasitinvented第1課時sectiona1a-2d新人教新目標(biāo)版-閱讀頁
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【正文】 at? B ： 16 ． _ _ A ： W hen w as it inv en ted? B ： 17 ． _ _ A ： How di d it wor k? F C B ： 18 ． _ _ The y pu sh ed the pedals( 踏板 ) d own hard with their f eet ． 19 ． _ _ A ： W hat wa s it m ad e of? B ： It was made of wo od ． 20 ． _ _ A ： Y es, I never sa w su ch a m achine bef ore . D B A A ． It can har dl y be s e en in Ch ina now . B ． Then th e water co u ld be brou g ht up . C ． It was i nvented ma n y y e ars ago . D ． Usuall y two pe opl e stood o n i t . E ． It was u sed f or gett ing water . F ． It 39。 北京 ) Th e m ob il e phone ___ _ in 1973 . A ． in vents B ． is i nv e nted C ． in vente d D ． was i nvente d D
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