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1、Unit6Whenwasitinvented？PeriodThree（SectionB1a-2a)abacusbinocularsinventionstransportationfoodelectricstuffPresentationHowdotheytaste?crispy脆的salty咸的sweet甜的bitter苦的redbayberriescookieslemonsteapepershot辣的tastesCanyoutellmefivetastes?Whichfoodissour?Whichfoodissweet?Whichfoodisbit
2、ter?Whichfoodissalty?Whichfoodishot?Thekeys:sour,sweet,bitter,hot,salty.orange,yogurtapple,bananaTea,coffeeSalt,pizzapeper,onionWhatkindfooddoyoulike?Ilikethefoodthattastes---crispysaltybittersweethotsourThehistoryofchipsExercisecrispy,sweet,salty,sour用方框中的单词填空。1.Idon’teatingcho
3、calate.Thetasteistoo_________.2.Momaddedsalt,butitstillwasn’t_________enough.3.Ipreferlemonstooranges,Ilikethe________taste.4.Shelikes________cookies,Theyarehard,dryandeasilybroken.Thekeys:sweetsaltysourcrispyListeningListentothetapeandfinish1cand1dofpage46.Explainthekeysentence
4、sorphrases.bymistake错误地.eg.Itookhisschoolbagasminebymistake.我误将他的书包当作我的拿走.2.intheend最后，最终.同义词组是atlast,finally.eg.Intheend,Ileftthemallbehind.最后，我把它们都留在了那里。enough的用法小结.1）enough用作副同，充当形容词或副词修饰语，但必须后置。又如： ①Hewalksslowlyenough.他走得够慢的了。 ②Thisarticleisdifficultenoughtowrite.这篇文章够难写得
5、了。2）enough用作代词，既可代表可数名词，也可代表不可数名词。如： ①----Doyouneedmorechairs?你们还要椅子吗？----No.Ithinkthereareenoughtogoround.不要了，我想够用了。②AttheendofsixmonthshehadlearnedenoughtoreadarticlesandreportsinRussian.六个月底，他已经学得足以用俄语读文章和报告了。3）enough用作形容词作定语时，可修饰可数名词或不可数名词，可放在被修饰的名词前或后。如： ①Thereareenoughse
6、ats（seatsenough）forthemall.有足够的座位让他们都坐下。 ②Ihaveenoughtime（timeenough）tofinishthework.我有足够的时间来完成这项工作。PairworkMakeupashortdialogueaboutthehistoryofpotatochipswithyourpartner.和你的同伴一起编排一段有关薯片历史的对话。被动语态的四种特殊情况。1、带双宾语的被动语态： 动词+sb(间宾) +sth(直宾)口诀：如遇双宾语，一般变间宾，若把直宾变，to /for间宾连。1).give/pa
7、ss /show与介词to搭配。givesbsth——sb+be givensth或sth+be given +tosb.2).buy/make/cook与介词for搭配。buysbsth—sb+be bought +sth或sth+be bought +forsbHe gave me a bookI ______ ______ a book by him.A book ____ ____ _____ me by him .My mother made me a cake .I ____ _____ a cake by my motherA cake
8、____ ____ ____ me by my mother.2、带省to的不定式作宾补的被动
