2014九年级Unit-6-when-was-it-invented-Section-A-4a-4c.ppt

Unit9Whenwasitinvented Period5SectionA4a 4c Review 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 frid n 冰箱 Ithinkafridgeisthemostusefulinventioninmodernworld translate tr nsleit v 翻译 SheistranslatingthewordsintoEnglish Sheisagoodtranslator lock l k la k v 锁上 锁住 Heislockingthecar Theselocksarestrong earthquake r kweik 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 instrum nt n 器械 仪器 工具 Therearemanykindsofinstrumentsinourschool Newwords fridge frid n 冰箱translate tr nsleit v 翻译lock l k la k v 锁上 锁住earthquake r kweik n 地震 sudden s d n adj 突然 的 allofasudden突然 猛地biscuit biskit n 饼干cookie kuki n 曲奇饼干instrument instrum nt n 器械 仪器 工具 根据汉语提示完成单词 1 Theboylosthisparentsduringthelastyear s 地震 2 Thestudentswereaskedto 翻译 thestoryintoEnglish 3 Thepolicefoundthelostboyunderthedestroyedhousethroughan 仪器 earthquake translate instrument 4 Ionlyhavesome 饼干 andaglassofmilkeverymorning 5 Ifyoucan teatallthesefruit youmayputsomeintoyour 冰箱 biscuits fridge GrammarFocus Grammar 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 S was were done S was were not done Was 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 Quiz 把下列句子改为被动语态 1 TheymadethesecomputersinShenzhen Thesecomputers inShenzhen 2 Sheboughtanewbikeyesterday Anewbike byheryesterday weremade wasbought 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 speak 3 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 Theearthquakeallofasudden butluckilythevillagerstoasafeplace wereinvited came werebrought 3 Thedoorwhenwearrived sowethebell 4 Thestudentsnottoeatordrinkinclass ButRubytherulewhenshestartedeatingabiscuitinscienceclass 5 Thecookiesbythehungrykidsinlessthan20minutes Thentheyformore waslocked rang weretold broke wereeaten asked 4cDecidewhetheractiveorpassiveformsshouldbeusedinthesesentences Writethecorrectformsintheblanks Thetelephone invent byAlexanderGrahamBell He born in1847 Alexander work ontheinventionofthetelephonewithThomasWatson In1875 Alexander learn tosendmusicalnotesthroughaninstrumentsimilartoatelephone wasinvented wasborn worked learned learnt Finally thetelephone invent in1876 Thefirstsentencethat say onthetelephonebyAlexanderwas Mr Watson comehere Iwanttoseeyou Todaythetelephone use aroundtheworld wasinvented wassaid isused Summaries 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