2014九年级Unit-6-when-was-it-invented课件Section-A-4a-4

Unit9Whenwasitinvented?Period5SectionA4a-4cReviewWhenwas…invented?Itwasinventedin…Whatisitusedfor?Itisusedfor…最糟糕的发明“二十世纪最糟糕的发明是什么?”就是人们每天大量使用的塑料袋。诞生于上个世纪三十年代的塑料袋，其家族包括用塑料制成的快餐饭盒、包装纸、餐用杯盘、饮料瓶、酸奶杯、雪糕杯等等。这些废弃物形成的垃圾，数量多、体积大、重量轻、不降解，给治理工作带来很多技术难题和社会问题。比如，散落在田间、路边及草丛中的塑料餐盒，一旦被牲畜吞食，就会危及健康甚至导致死亡。填埋废弃塑料袋、塑料餐盒的土地，不能生长庄稼和树木，造成土地板结，而焚烧处理这些塑料垃圾，则会释放出多种化学有毒气体，其中一种称为二噁英的化合物，毒性极大。fridge/fridʒ/n.冰箱Ithinkafridgeisthemostusefulinventioninmodernworld.translate/trænsleit/v.翻译SheistranslatingthewordsintoEnglish.Sheisagoodtranslator.lock/lɔk/,/la:k/v.锁上；锁住Heislockingthecar.Theselocksarestrong.earthquake/ə:(r)θkweik/n.地震Don’tbeafraidoftheearthquake.biscuit/biskit/n.饼干Don’teattoomuchbiscuit,itisn’tgoodforyourhealth.cookie/kuki/n.曲奇饼干Don’teatsomuchcookie,becauseitistoosweet.instrument/instrumənt/n.器械；仪器；工具Therearemanykindsofinstrumentsinourschool.Newwordsfridge/fridʒ/n.冰箱translate/trænsleit/v.翻译lock/lɔk/,/la:k/v.锁上；锁住earthquake/ə:(r)θkweik/n.地震sudden/sʌdən/adj.突然（的）allofasudden突然;猛地biscuit/biskit/n.饼干cookie/kuki/n.曲奇饼干instrument/instrumənt/n.器械；仪器；工具根据汉语提示完成单词。1.Theboylosthisparentsduringthelastyear’s(地震).2.Thestudentswereaskedto(翻译)thestoryintoEnglish.3.Thepolicefoundthelostboyunderthedestroyedhousethroughan(仪器)。earthquaketranslateinstrument4.Ionlyhavesome(饼干)andaglassofmilkeverymorning.5.Ifyoucan’teatallthesefruit,youmayputsomeintoyour(冰箱).biscuitsfridgeWhenwasthezipperinvented?Itwasinventedin1893.Whowasitinventedby?ItwasinventedbyWhitcombJudson.WhenwasteabroughttoKorea?ItwasbroughttoKoreaduringthe6thand7thcenturies.Whatisthehotice-creamscoopusedfor?It’susedforservingreallycoldice-cream.Thepassivevoice被动语态语态是表示主语与谓语的关系的。如果主语是动作的执行者，动词要用主动语态；反之，如果主语是动作的承受者，动词就要使用被动语态。被动语态谓语部分结构为助动词be+过去分词。一般过去时态的被动形式注意：这里be的形式决定了被动语态的时态，其后的过去分词没有变化。肯定句主语+was\were+过去分词+(by…)否定句主语+was\werenot+过去分词+(by…)一般疑问句was\were+主语+过去分词+(by…)?特殊疑问句疑问词+was\were+主语+过去分词+(by…)?时态肯定形式否定形式疑问形式一般过去时S+was/were+doneS+was/were+not+doneWas/Were+S+done?Mariaboughtthebooklastyear.(主动句)ThebookwasboughtbyMarialastyear.WhenwasthebookboughtbyMaria?WhatwasboughtbyMarialastyear?被动句：让我们看一看各种句型的主动语态变为被动语态时，到底发生了什么变化？把下列句子改为被动语态。1.TheymadethesecomputersinShenzhen.Thesecomputers_________inShenzhen.2.Sheboughtanewbikeyesterday.Anewbike__________byheryesterday.weremadewasbought中考真题链接1.—IfeelveryhappythatI____tobethehost.—Congratulations!(07’江西)A.chooseB.amchosenC.waschosenD.havenchosen2.TodayChinese________bymoreandmorepeoplearoundtheworld.(07’北京)A.wasspokenB.isspokenC.spokeD.speak3．(课改实验区考生做)(07’重庆)—Yourhometownhaschangedalot．—Yes.Takealookatthesetallbuildings.They______lastyear．A.buildB．builtC.wasbuiltD．werebuilt(非课改实验区考生做)—Whyistheclassroomsodirty?—Sorry,sir.It_______yesterday．Weforgottodoit．A.don’tcleanB.didn’tcleanC.weren’tcleanedD.wasn’tcleaned再次阅读翻译语法句子Whenwasthezipperinvented?Whowasitinventedby?WhenwasteabroughttoKorea?Whatisthehotice-creamscoopusedfor?Itwasinventedin1893.ItwasinventedbyWhitcombJudson.ItwasbroughttoKoreaduringthe6thand7thcenturies.It’susedforservingreallycoldice-cream.4aRewritethesentencesusingthepassivevoice.1.Theysoldthefridgeatalowprice.Thefridgewassoldatalowprice.2.Somebodystolemycamerafrommyhotelroom.3.Wheredidyoutakethesephotos?Mycamerawasstolenbysomebodyfrommyhotelroom.Wherewerethesephotostakenbyyou?4.Ourparentsadvisedusnottogooutalone.5.Differentwriterstranslatedthebookintodifferentlanguages.Wewereadvisednottogooutalonebyourparents.Thebookwastranslatedintodifferentlanguagesbydifferentwriters.4bCompletethesentenceswiththecorrectformsoftheverbsinthebox.1.Youtothepartylastnight,weren’tyou?Whydidn’tyougo?2.Theearthquakeallofasudden,butluckilythevillagerstoasafeplace.wereinvitedcamewerebrought3.Thedoorwhenwearrived,sowethebell.4.Thestudentsnottoeatordrinkinclass.ButRubytherulewhenshestartedeatingabiscuitinscienceclass.5.Thecookiesbythehungrykidsinlessthan20minutes.Thentheyformore!waslockedrangweretoldbrokewereeatenasked4cDecidewhetheractiveorpassiveformsshouldbeusedinthesesentences.WritethecorrectformsintheblanksThetelephone(invent)byAlexanderGrahamBell.He(born)in1847.Alexander(work)ontheinventionofthetelephonewithThomasWatson.In1875,Alexander(learn)tosendmusicalnotesthroughaninstrumentsimilartoatelephone.wasinventedwasbornworkedlearned\learntFinally,thetelephone(invent)in1876.Thefirstsentencethat(say)onthetelephonebyAlexanderwas“Mr.Watson,comehere;Iwanttoseeyou.”Todaythetelephone(use)aroundtheworld.wasinventedwassaidisusedSummaries1.atalowprice以一个很低的价格2.takethesephotos拍这些照片3.gooutalone单独外出4.translatethebookintodifferentlanguage把书翻译成不同种类的语言5.allofsudden突然6.workon从事，进行用所给词的适当形式填空。1.Thisinstrumentisusedfor(play)musicinclass.2.Howmanymagazines(borrow)fromthelibrarytoday?3.Edisonwasagreatinventor.Hehadover1.000inhislife.(invent).4.Apicture(put)ontheblackboardbeforeclass.5.Platesanddishes(notwash)aftersupperyesterday.playingwereborrowedinventionswasputweren’twashed