人教版九年级第九单元第四课时课件

Unit9Whenwasitinvented Period4 SelfCheck Reading Words Expressions P73 74 lemoncookieabacuscenturyranknoticeincludingindoors 柠檬小甜饼干算盘世纪 百年顺序 级别注意到 留心包含 包括在户内 Words Expressions P74 75 woodenknockbasketmetalbelowtowardsdevelopequipment 木制的敲 碰撞篮 筐金属在 下面 低于 向 往发展 完善装备 器材 1 Fillintheblanksinthesentencesbelowwithwordsfromthebox crispy sweet sour salty 2 Findoutwhenthesethingswereinvented andthenwriteparagraphsaboutthem TheabacuswasinventedinthesixthcenturybyChinesepeople Theumbrellawasinventedabout4000yearsagoinAssyria ChinaandEgypt InItalyin1854 IgnatioPorroinventedthebinoculars TheCamerawasinventedbyJosephNicephoreNiepcein1827whotookthefirstpicture Thebicyclewasinventedinthe1880sinEngland Writing 3 000BC Theabacus builtoutofwoodandbeads usedtheconceptsofonesetofobjectsstandinginforobjectsinanotherset butalsotheconceptofasingleobjectstandingforacollectionofobjects positionalnotation Earlytables namedabaci formalizedcountingandintroducedtheconceptofpositionalnotation Earlymancountedbymeansofmatchingonesetofobjectswithanotherset stonesandsheep invention history inventorof historyof whoinvented inventionof fascinatingfacts Thebasicumbrellawasinventedoverfourthousandyearsago WehaveseenevidenceofumbrellasintheancientartandartifactsofEgypt Assyria Greece andChina Theseancientumbrellasorparasols werefirstdesignedtoprovideshadefromthesun TheChinesewerethefirsttowaterprooftheirumbrellasforuseasrainprotection Soonaftertelescopeswereinvented peoplestartedtofastentwoofthelongtubestogethertomakebinoculars fromtheLatin twoeyes Around1900 aGermanphysicistnamedErnstAbbemadeapairofbinocularsusingprisms Thetriangularprismseachreflectedtheincominglighttwice Thismeantitwaspossibletomakeashorterinstrument Thetwoprismsalsoflippedtheimageupright CameraThehistoryofthecamera CameraObscura photography thesignificantprocessesofphotography andwhoinventedthePolaroidandphotographicfilm In1818 BaronvonDraisintroducedamachinetothepublicinParis Ithadtwoin linewheelsconnectedbyawoodenframe Theridersatastrideandpusheditalongwithhisfeet whilesteeringthefrontwheel 3a Completethemind mapwithinformationfromthereading AnswersHISTORY 100yearsold Canadiandoctor firstgameplayedin1891 THEGAME playedindoors onwoodenfloor nocontact aimtoscore baskets AMERICA foreignplayersinNBA PLAYED playedindoors onwoodenfloor nocontact aimtoscore baskets PLAYEDFOR foreignplayersinNBAEQUIPMENT court basket net metalhoop backboard 3b Withoutreadingthearticleagain usewhatyourememberfromthemind maptoanswerthefollowingquestions 1 Whoinventedbasketball 2 WhyweretheBerlinOlympicsimportantforbasketball 3 Whatistheaimofbasketball 4 NameaprofessionalorganizationinAmerica ANSWERS 1 James