Unit6SectionB(2a~2d)课件人教版英语八年级下册

Unit6

CrossingCulturesSectionBVocabularyinuse学习目标能够理解形容词否定前缀un-和in-/im-的意义，并在语境中正确使用形容词或其否定形式。能够掌握含有后缀-ing/-ed的成对形容词的意义区别并在语境中准确运用这两类形容词。0102能够使用所学单词完成有关筷子文化的语篇，理解语篇的主旨和内涵，加深对亚洲筷子文化的了解，并能简要介绍使用筷子的礼仪。03LeadinLet’slearnoppositeadjectives!Writedownthenegativeformsoftheadjectivesintheboxusingun-orin-/im-.2asafe formalproper possible friendly directtidy healthyperfect important common correctun-:________________________________________________________unsafe,unfriendly,untidy,unhealthy,unimportant,uncommon,unhappyim-/in-:__________________________________________________informal,improper,impossible,imperfect,incorrect,indirectLet’slearn否定前缀

un-/im-/in-,三者均为否定前缀，加在词基前表示“不、非、无”的含义1.un-的用法适用词基的类型：可接形容词和动词，少数接名词。接形容词：happy→unhappy（不开心的）、healthy→unhealthy（不

健康的）、fair→unfair（不公平的）接动词：do→undo（撤销）、cover→uncover（揭开）、lock→

unlock（解锁）接名词：rest→unrest（动荡）、employment→unemployment（失业）2.im-的用法适用词基类型：仅接以唇音字母m/p开头的形容词或名词。接m开头词基：moral→immoral（不道德的）、mature→

immature（不成熟的）接p开头词基：possible→impossible（不可能的）、patient→

impatient（不耐烦的）、polite→impolite（不礼貌的）3.in-的用法适用词基类型：接以非

m/p开头的形容词或名词，是

im-的基础形式。常见搭配：direct→indirect（间接的）、dependent→

independent（独立的）、finite→infinite（无限的）、

justice→injustice（不公）派生词由词根加派生词缀构成。大多数前缀并不影响词根的词性，而仅对词根的意义加以修饰。其中用在形容词前表示否定的前缀常见的如下：前缀用途例词un-unluckyin-incorrectim-impoliteil-illegalir-irresponsibledis-dishonestnon-non-traditional适用于大多数形容词常用于辅音字母（l，m，p，r除外）开头的形容词常用于以b，m，p开头的形容词前常用于以l开头的形容词前常用于以r开头的形容词前常与表达态度、品质的形容词连用仅客观说明“不属于某一类别”拓展Completethesentenceswiththecorrectformsoftheadjectivesinbrackets.2b1.Saying“hi”isan________waytogreetothers.(formal)2.Itis________topointatpeopleinmanycountries.(polite)3.Thehostiscertainly_______whenyouenjoyyourselfattheirparty.(happy)4.Peopleusuallydressinformalclotheswhenvisitingsomepublicplacessuchasconcerthalls.Itis________towearshorts,shortskirts,orjeansthere.(proper)5.Insomecultures,itisOKtobelatesometimes.Peopleare________eveniftheirmeetingsdon’tstartontime.(patient)informalimpolitehappyimproperpatientLookatthecompoundwordsinthebox.Doyouknowwhattheymean?Completethesentencesusingfiveofthesewords.2c1.A:Didyouunderstandtherules?Ifoundthemconfused/confusing.B:Iwasconfused/confusingatfirsttoo,butMrThompsonexplainedthemtome.2.A:Isn’titexcited/excitingthatJameswillmarryJennifernextmonth?B:Yes!I’msoexcited/exciting,andIcan’twaittocongratulatethem.3.A:Sallywasalittleembarrassed/embarrassingjustnow.Shewishedherfriendhappybirthdayonthewrongdate.B:Ohno!Thatcanbeembarrassed/embarrassing.Completethepassagewiththecorrectformsofthewordsinthebox.2dnormal last manner proper challenge

InmanyAsiancountries,itis________forpeopletoeatwithchopsticks.Therearemanyrulesandtraditionsabouthowtousechopsticks_________.Firstly,don’tstickyourchopsticksintofood.Thatisverybad________.Secondly,don’tpulldishesclosetoyouwithyourchopsticks.Thirdly,don’tpointatotherswithyourchopsticksorwavethemaboutwhenyoutalk._______,holdyourchopstickscorrectly.Usingchopstickslookseasy,butitcanactuallybealittle__________.Thekeythingistokeeptrying.Withplentyofpractice,anyonecanlearntousechopstickswell!normalproperlymannersLastlychallengingLanguagepoints1.Isn’tit

excitingthatJameswillmarry

Jennifernextmonth?

詹姆斯下个月要和詹妮弗结婚了，难道不令人兴奋吗？marrysb.嫁给某人/和某人结婚e.g.She

married

adoctor.

她嫁给了一位医生。【拓展】getmarried结婚（强调动作）getmarriedtosb.和某人结婚e.g.They

gotmarried

lastyear.

他们去年结婚了。She

gotmarriedto

ateacher.

她嫁给了一位老师。bemarried已婚的（强调状态）e.g.He

ismarriedto

afamoussinger.

他和一位著名歌手结婚了。①can’twaittodosth.迫不及待地做某事e.g.Ican’twaittoreadthissciencefiction.我迫不及待地想看这本科幻小说。2.I’msoexcited,andIcan’twaittocongratulatethem.我太兴奋了，都等不及要去祝贺他们了。【拓展】can’twaitforsth.急切地等某事e.g.Ican’twaitforthevacation.我急切地等待假期的到来。②congratulatev.祝贺congratulatesb.

祝贺某人congratulatesb.onsth.因某事祝贺某人e.g.I

congratulated

him

on

hissuccess.

我祝贺他成功。She

congratulated

me

on

passingtheexam.

她祝贺我通过了考试。【拓展】congratulation

n.祝贺（常用复数）congratulationstosb.onsth.

在某方面祝贺某人e.g.Congratulationstoyouonpassingtheexam.祝贺你通过了考试。当堂检测一、选择题。1.You’dbetterputyourbagonyourknees.It’s________totakeuptwoseatsonthebus.A.properB.politeC.improperD.common2.—Didyouunderstandtherules?—Yes,buttheywere______atfirst.A.confused

B.confusing

C.embarrassed

D.embarrassing3.Weshoulduse______languagetogreetelders.A.unfriendlyB.informalC.politeD.impatient4.Sheis______tohearfromherforeignfriend.A.exciting

B.interested

C.interesting

D.excited二、用所给词的适当形式填空。1.

Followtheteacher’s

instructionscare