新人教版九年级unit6-when-was-it-invented全单元课件

SectionAThefourgreatinventionsofChinagunpowderpaper-makingprintingcompasspaper105B.C.printing1041-1045Itwasinvented…Whenwas…invented?compass11thCenturygunpowder9thCenturyItwasinvented…Whenwas…invented?Lookatthethingsbelow.Inwhatorderdoyouthinktheywereinvented?Discussthemwithyourgroup.Thennumberthem【1-4】(1=first,4=last).1a41231bListenandmatchtheinventionswiththeyears._____1876_____1885_____1927_____1971dacb1cmakeconversations.A:Whenwasthetelephoneinvented?B:Ithinkitwasinventedin1876.Baird1927Bell18761885HenryFord197119761907WrightCrayBillHewlettheelscoopelectricity2aListenandnumbertheinventions[1-3]intheorderyouhearthem.1232bListenagaincompletethechartbelow.________thestyleoftheshoeshotice-creamscoopseeing_____________shoeswithlights_______reallycoldice-creamshoeswithspecialheelsWhatisit/aretheyusedfor?Inventionchanginginthedarkserving2cMakeconversationsusingtheinformationin2b.A:Whataretheyusedfor?B:They’reusedforseeinginthedark.2dlistenandanswerthequestions.1.Whatinventionaretheytalkingabout?2.Whoinventedthezipperandwhenwasitinvented?3.Whendidthezipperbecomepopular?Thezipper.ItwasinventedbyWhitcombJudsonin1893.Around1917.Howmanykindsofdrinksdoyouknow?Canyounamesome?cokewaterjuicecoffeeteathemostpopulardrinkintheworld(exceptwater)teagreenteaHowmanykindsofteadoyouknow?blackteawhitetea白茶oolongtea乌龙茶scentedtea花茶pu'ertea3aReadthepassagequicklyandmatcheachparagraphwithitsmainidea.Paragraph1Paragraph2Paragraph3LuYuandhisbookChaJingHowteaspreadtoothercountriesHowteawasinventedbyaccidentSomequestionsabouttea:1.Teawasfirstinventedin_______.2.Teacomesfrom___________.3.Teatreesmostlygrowinthe______ofChina.4.TeawasbroughttotheWesternworldin_______________.Chinateatreessouth16601.Whenwasteafirstdrunk?2.Howwasteainvented?3.Whoiscalled“thesaintoftea”?Itwasfirstdrunkabout5,000yearsago.Someleavesfromateaplantfellintotheboilingdrinkingwater.Itproducedanicesmellandtasteddelicious.Thisishowteawasinvented.3bReadthepassageagainandanswerthequestions.LuYu.4.WhatisChaJingabout?5.Whenwasteabroughttoothercountries?Itdescribeshowteaplantsweregrownandusedtomaketea.ItwasbroughttoKoreaandJapanduringthe6thand7thcenturiesandtoEnglandaround1660.TheteatradefromChinatoWesterncountriestookplaceinthe19thcentury.3cCompletethesentenceswiththecorrectformsoftheverbsinthebox.1.Oneoftheworld’sfavoritedrinkswas_________________byaccident.2.Teawasfirst_________byShenNongabout5,000yearsago.3.Anicesmellwas_______________whenthetealeavesdroppedintothehotwater.4.Teawas___________toKoreaandJapanduringthe6thand7thcenturies.5.Teaisnow_______betweenmanydifferentcountries.inventeddrunkproducedbroughttraded完成句子1.我只是偶然发现那只丢失的小猫。Ionlyfoundthemissingcat______________.2.根据最近的一项调查，每年有上百万的人死于与吸烟有关的疾病。______________arecentsurvey,millionsofpeoplediefromdiseaseslinkedtosmokingeachyear.3.茶是偶然被发明的。Teawas_____________________.byaccidentAccordingtoPracticeinventedbyaccident4.这样，世界上最受欢迎的饮料之一被发明了。Sooneoftheworld’sfavoritedrinks______________.5.据说神农在室外火炉上烧开水时发现了茶。___________________thatShenNong__________teawhenhewasboilingdrinkingwateroveranopenfire.wasinventedItissaiddiscoveredGrammarFocus被动语态(PassiveVoice)结构:be+V-p.p.am/are/is+动词的过去分词was/were+动词的过去分词一般现在时的被动语态:一般过去时的被动语态:ManypeoplespeakEnglish.(主动语态)Englishisspokenbymanypeople.Thenaughtyboybrokethewindowyesterday.(主动语态)Thewindowwasbroken(bythenaughtyboy)yesterday.Weboughtsomebooks.主动句与被动句之间的转换Somebookswerebought(byus).主语谓语动词主动语态的过去式宾语主语谓语动词被动语态的过去分词介词+宾语主动句变为被动句所遵循的4个步骤：1.把原主动句中的宾语变为被动句的主语。2.把动词变为被动形式即be+过去分词，并注意其人称和数随主语的变化而变化，而动词的时态则保持不变。3.原主动句的主语如需要则放在by后面以它的宾格形式出现（代词的宾格），如不需要则可省略。4.其它的成分（定语、状语）不变。过去式被动语态的几种句型肯定句主语+be+过去分词+(by…)Asweetsongwassungbyheronthestage.2否定句主语+be+not+过去分词+(by…)3一般疑问句Be+主语+过去分词+(by…)?Asweetsongwasn’tsungbyheronthestage.Wasasweetsongsungbyheronthestage?4特殊疑问句疑问词+be+主语+过去分词+(by…)?Wherewasasweetsongsungbyher?各种时态的被动语态形式归纳：以give为例一般时进行时完成时现在am/is/aregivenam/is/arebeinggivenhas/havebeengiven过去was/weregivenwas/werebeinggivenhadbeengiven将来shall/willbegivenshall/willhavebeengiven过去将来should/wouldbegivenshould/wouldhavebeengiven含有情态动词can/should/must/could/maybegiven被动语态的运用:（1）不知道谁是动作的执行者或没有必要知道谁是动作的执行者时。Thehouseisquiteold.Itwasbuiltin1950.这座房子太旧了，它是1950年建的。Whenwilltheroadbeopenedtotraffic?这条路什么时候通车?（2）需要强调动作的对象即宾语时。Calculatorcan'tbeusedinthemathexam.计算器不能用于数学考试。Hewasawardedfirstprizeinthatcontest.他在比赛中获得了第一。有时为了礼貌等原因不愿说出行为者,这时也常用被动语态。Theconstructionofthenewlabmustbecompletedbytheendofnextmonth.新实验室必须在下个月底前完工。Youarerequestedtogiveaperformance.请你给我们表演一个节目。（3）特殊情况：⑴（含有双宾语的句子变被动语态）剖析：含双宾语的主动语态的句子变为被动语态时，常把那个指人的间接宾语变为被动语态的主语；也可把那个指物的直接宾语用作主语，但此时必须在间接宾语前加上介词to或for。如：Hegavemeabook.→Iwasgivenabookbyhim.（人作主语）→Abookwasgiventomebyhim.（物作主语）Myfatherboughtmeabike.(变被动语态)→__________________________（主语是人）→__________________________（主语是物）⑵感官动词和使役动词在主动句中其后的动词不定式不带to，但变被动句时必须加上to。如：Thebossmadeherworkfor16hoursaday.→Shewasmadetoworkfor16hoursaday.Whenwasthecarinvented?Itwasinventedin1885.Whoweretheyinventedby?TheywereinventedbyJulieThompson.Whataretheyusedfor?Theyareusedforseeinginthedark.Readthesentencesandpayattentiontotheunder