Unit4usinglanguage课件-高中英语外研版选择性必修第二册

BreakingboundariesBook5Unit4B5U4UsinglanguageObservetherulesLookatthesentencesandanswerthequestions.Sentences(a)and(c)arefromthereadingpassage.Activity1aButitisvitalnottotakeanychances.bButnottotakeanychancesisvital.c

ItisimportanttorememberthatEboladoesn’trespectnationalboundaries.dTorememberthatEboladoesn’trespectnationalboundariesisimportant.1Whatdoes“it”refertoinsentences(a)and(c)?2

Whydoestheauthorchoosetousesentences(a)and(c)insteadof(b)and(d)?ObservetherulesLookatthesentencesandanswerthequestions.Sentences(a)and(c)arefromthereadingpassage.Activity1aButitisvitalnottotakeanychances.bButnottotakeanychancesisvital.c

ItisimportanttorememberthatEboladoesn’trespectnationalboundaries.dTorememberthatEboladoesn’trespectnationalboundariesisimportant.“it”asanemptysubjectatthebeginningofthesentences.

Thesentencesarekeptbalancedandthekeyinformationofthesentencesisemphasised.ObservetherulesNowlookformoresentenceswiththisstructureinthereadingpassage,andsummariseitsuseinyourownwords.Ifeltitwasmydutyasadoctortogothereandoffermyhelp.ItissoinspiringtohavecolleagueslikeWilton,MaisyandAlfonso,......,itisabsolutelyessentialforusalltocollaboratetocreateaglobalcommunitywithasharedfutureofpeaceandprosperity.Activity1it作为形式主语，所代替的是句子的逻辑主语，并无实际词义。这可以保持句子的结构平衡，避免主语太长，显得头重脚轻。Itasanemptysubject1.代表不定式(1)It+be+形容词+不定式

e.g.,

Itisdifficulttotranslatethebook.(2)It+be+名词+不定式

e.g.,

Itwasherdutytocleantheroom.(3)It+be+介词短语+不定式

e.g.,

Itwasagainstmyprincipletodothat.(4)It+及物动词+宾语+不定式

e.g.,Itcost150yuantobuythedress.Exercises去那里要花费我们三个小时。

Ittookusthreehourstogetthere.你为我们考虑那么多，你真是太好了。

Itiskindofyoutothinksomuchofus.Itasanemptysubject2.代表动名词it代表动名词时，一般以“be+名词”作谓语，也可以以“be+形容词”作谓语。e.g.,Itisnousedoingthat.Itispleasantsittinghere.nouse/nogood+v-ingItis+Itasanemptysubject3.代表从句It+be+……从句

e.g.,Itisnaturalthatsheknowseverythingaboutit.人们建议推迟会议。

Itissuggestedthatthemeeting(should)beputoff.ItasanemptysubjectRewritetheunderlinedpartsusingitasanemptysubject.Activity2ItasanemptysubjectRewritetheunderlinedpartsusingitasanemptysubject.Activity2ItisnolongerquitesodifficultforwomenandminoritiestogetrolesinAmericanfilmandtelevision.ItasanemptysubjectRewritetheunderlinedpartsusingitasanemptysubject.Activity2ItisnowamorerealistichopeforminorityactorstobecomealeadingactorinHollywood.ItismorecommonthanbeforeforwomentowriteanddirectHollywoodfilms.ItasanemptysubjectRewritetheunderlinedpartsusingitasanemptysubject.Activity2ItisseenasacceptablebyfilmstudiostocastwhiteactorsasAsiancharacters.ItasanemptysubjectDescribethecityusingtheinformationprovidedanditasanemptysubject.Activity3Beijingtodayismulticultural.Itisnotasurprisingthingforstudentsto

seedifferentskincoloursinthesameclass.Itispossibleforpeopletohearmanydifferentlanguagesanddialects.Itiseasyforpeopletofindproductsfromallovertheworld.Itisnotdifficultforforeignerstosettledownandfindajob.Itisacommonthingforpeoplefromdifferentcountriestoworkinthesamecompany.TheglobalvillageReadthepassageandanswerthequestions.

1Whatphenomenondoesthepassagedescribe?

Thephenomenonofthe“globalvillage”asaresultofthepromotionoftechnologicalandculturalexchange2Whateffectdoestechnologyhaveonculturalexchange?

Technologyenablesustoformcloseconnectionswithpeopleofcompletelydifferentculturesandgivesusquickandeasyaccesstootherculturesandlifestyles.Activity5TheglobalvillageActivity5使……团结起来；集合沟通渠道形成密切联系了解世界的窗口更包容的文化冲击共同努力互惠互利TheglobalvillageCompletetheletterwiththecorrectformoftheexpressionsinActivity5.Activity6cultureshockformcloseconnectionswithajointeffortmutualbenefitsbringpeopletogetherwindowontheworldbemoreinclusiveUsefulexpressions–P41少数名族；少数群体

占少数；成为少数派

翻译：Thisisanothersmallbutimportantadvanceagainstgenderandracialdiscrimination.minorityn.[C]beina/theminority这是另一个虽小但很重要的在抵制性别和种族歧视上进步。Usefulexpressions–P41Thereportanalysed200films_________(发布；发行)in2015.一个现实的希望翻译：Evennow,tocastwhiteactorsasAsiancharactersisseenasasacceptablebyfilmstudios.

castsb(assb)tochooseactorstoplaythedifferentpartsinafilm/movie,play,etc.;tochooseanactortoplayaparticularrole分配角色；选派角色甚至是现在，让白人演员演亚洲人物在很多电影公司看来是可接受的。arealistichopereleased朝着正确的方向

intherightdirectionUsefulexpressions–P42作为……的原因使……团结起来；集合沟通渠道使即时通话成为可能使……能够做形成密切联系了解世界的窗口给……提供更快更方便的途径文化交流更包容的adj./n.克服文化冲击融入；渐渐消失在某物中共同努力互惠互利belargelyresponsibleforbringpeopletogetherchannel

of

communicationmakeitpossibletospeakinstantlywithenablesb.todoformcloseconnections

withawindowontheworldgive

sb.quickandeasyaccess

toculturalexchangebemoreinclusive;inclusivenessovercomecultureshockmerge