仁爱英语九年级上册Unit4 topic1 When was it invented.ppt

Unit4AmazingScience Topic1Whenwasitinvented SectionA aknife afork A Whataretheymadeof B They metal A Whataretheyusedfor B They eatingfood are made of metl 金属 areusedfor Example A What sthelockmadeof B It metal A What situsedfor B It lockingthedoor ismadeof isusedfor lockmetallockthedoor cellphonemetalandplasticcommunicatewithothers pencilplastic n 塑料 writewith aglassglassandmetalholdwater n 锁v 用锁 锁上 bemadeof由 制成 物体从表面看得出原材料的形状或性质 beusedfordoing 被用来 A What sthepapermadefrom B It s wood A What situsedfor B It s writingon made from usedfor peanuts bemadefrom由 制成 物体从表面看不出原材料的形状或性质 oilpeanutscookfood piecesofbreadwheateat redwinegrapesdrink computerdesk wood putthecomputeron chopsticks bamboo eatfood sweater cotton keepwarm watch metal knowthetime pen metal writewith Pairwork 1 WhatisKangkangdoing amodelrocket火箭 2 Canyouguesswhattherocketismadeof 3 What sarocketusedfor It susedforsendingsatellites s t lait orspaceshipsintospace 卫星 宇宙飞船 1bListento1aandmarkT True orF False mp3 Janeisunhappybecauseshewasnotallowedtogotoapartylastnight Kangkang sfathermadeamodelrocketforhim Therocketismadeofmetal Arocketisusedforsendingsatellitesorspaceshipsintospace F F T T 1cRead1aandanswerthefollowingquestions wmv 1 WhydidKankangaskJanenottospendtoomuchtimeoncomputergames 2 What sarocketusedfor 3 WhotaughtKangkangsomeknowledgeaboutspaceships 4 What sKangkang sdream It sbadforherhealthifshespendstoomuchtimeonthem It susedforsendingsatellitesorspaceshipsintospace Mr Brown Hewisheshecouldgointospacesomeday Keypoints 1 BecauseIwasnotallowedtoplaycomputergameslastnight 2 Itwasmadebyme 一般过去时的被动语态 was were done 动词的过去分词 eg 主动语态 Mr Greendevelopedthecarthreeyearsago 被动语态 ThecarwasdevelopedbyMr Greenthreeyearsago 否 ThecarwasnotdevelopedbyMr Greenthreeyearsago 一 WasthecardevelopedbyMr Greenthreeyearsago Yes itwas No itwasn t 特 Whowasthecardevelopedbythreeyearsago Mr Green 一般现在时的被动 is am are done Let splayagame metal 1918 knowthetime Edison listentomusicinthepast Watch recorder Ready Let sgo Guess ask answer 1817 Germany mental ride Lift 1854 NewYork carrypeopleupanddown bulb1876 Edison givelight TVset 1925 Britain watchprograms camera around1975 America takephotos car 1885 Germany KarlBenz drive Guess ask answer Classactivity 1817 Germany mental ride bicycle Guess ask answer Guess ask answer Classactivity Lift 1854 NewYork carrypeopleupanddown lift elevator Classactivity 1876 Edison givelight bulb b lb Guess ask answer Classactivity camera around1975 America takephotos Guess ask answer Classactivity TVset 1925 Britain watchprograms Guess ask answer Classactivity car 1885 Germany KarlBenz drive Guess ask answer Summary Welearn 1 Somewords lock rocket metal satellite spaceship laptop digital2 Somephrases bemadeof from by in beuse