2014年新版仁爱英语九年级上册unit4-topic1-Section-BUnit 4 Topic 1 Section B.ppt

Unit4AmazingScienceTopic1Whenwasitinvented SectionB 1 He playcomputergamesunlesshefinishedhishomework A wasallowedtoB wasnotallowedtoC allowto 2 Weallknowthatpaper wood A ismadeofB ismadeintoC ismadefrom 3 Thiskindofmachine in2006 A isinventedB ismadeC wasinvented 4 A An isusedfortakingphotos A CameraB LiftC MP3player 5 Weshouldspendmoretime becauseit stooimportant A tolearnEnglishB learningEnglishC inEnglish B C C A B I Choosetherightanswer Youcandoit Review II Fillintheblankswiththerightpreposition 1 Thedeskismade wood 2 Theredwineismade grapes 3 Thisdeliciouscakewasmade mymother 4 Glassesaremade glass 5 Ourgroupismadeup fourstudents 6 Thatkindofmachineismade Japan of from of of by in Review invent America in1946 A Wherewerecomputersinvented B TheywereinventedinAmerica A Whenwerecomputersinvented B Theywereinventedin1946 Lookandtalkaboutthepicture MP3player1998Korealistentomusic mobilephone1973Americacommunicateeasily Pleasechooseonetotalkabout digitalcamera1975Americatakephotos A What sthis B It s A Whenwasitinvented B Itwasinventedin A Whoinventedit B 1bListento1aandchoosethecorrectanswers 1 WhereareMichaelandJane A Inthesciencemuseum B Attheschoollibrary C Inthezoo D Inthepark 2 Whichobjectisnotmentionedintheconversation A Lightbulb B Airplane C Television D Radio A C 1aLook listenandsay Whenwasitinvented Whoinventedit Look alightbulb In1897 ThomasEdison In1895in1903in1879 Canyoumatchthem 1cRead1aandcompletethetable radio airplane ThomasEdison WilburandOrvilleWright 1879 1895 1aLook listenandsay 1dDiscusswithyourclassmatestheinventionslistedin1c Letthemguesswhichinventionyouaredescribing Youmaybeginlikethis Itiswidelyusedbypeopleeverywhere Itwasinventedin1879byThomasEdison It ssaidthat A Whatarethese B A Whenweretheyproducedfirst B A Whatweretheymadeof B Doyouknow 2Fillintheblankswiththeproperformsofthegivenwords Thefirstjeanswereproducedin1855 Atthattime they notcall jeansandtheywerejusthard wearingpantsdesignedforworkers Thepants make ofthebrowncloth Thiskindofcloth usually use formakingtents Nowadays theirmaterialshavebeenchangedsothatitfeelsmorecomfortable Andmanydifferentjeansstyles also create They design notonlyforworkersbutalsoforteenagersandwomen Laterjeansarepopularallovertheworld werenotcalled weremade was used are created aredesigned A KarlBenz C AlexanderGrahamBell B JohnBaird Invention Inventor Year a 1926 b 1876 c 1885 3Listentothethreepassages Matchthepictureswiththefollowinginformation 4aReadthefollowingwords Listenandcheckthevowels rocketcottonhospitalmodelsatellitecameralaptopplastic 4bListenandreadthefollowingsentencesaloud payingattentiontothestressandintonation Thenusethewordsin4atomakeupsimilarconversations A Whenwasthe digitalcamera developed B Itwas developedinthe 1970s A Isthe digitalcamera developedin Korea B No A Wherewasit developed B Itwas developedin Japan Thelightbulbisw usedbypeopleeverywhere ThomasEdisoni thelightbulbin1879 It ss thatheinventedmorethantwothousandthingsduringhislife TheairplanewasinventedbyWilburandOrvilleWrightin1903 It sd fromtoday s Exercises idely nvented aid ifferent Welearn 1 Somewords bulb airplane hard wearing Korea2 Somephrases beusedby morethan bedifferentfrom3 Somesentences It ssaidthatheinventedmorethantwothousandthingsduringhislife Wecan 1 Usethesimplepastpassivevoice Doyouknowwhenitwasinvented Itwasinventedin1879 2 Talkab