外研版（2019） 選擇性必修第二冊 Unit 5 A delicate World Using language課件

Unit5ADelicateWorld

Grammar+Practise

ItasanemptyobbjectWatchandThinkWhatwewilllearnaboutitfromthefollowing1.NovisitorwouldthinkitsurprisingthattheislandisaUNESCOWorldHeritageSite.2.Expertsfeltitnecessarytocomeupwithaplantoremovealltherabitsfromthesland.3.Thisincidentmadeitclearthattherat,mouseandrabbitproblemneededsolvingonceandforall.4.Thisinterventionisalong,much-delayedendingtoasad,butwehumansownittotheislandtogiveitahappyending.以上例句中的it作形式賓語，句1和句3的真正賓語是后面that從句，句2和句4指代后面的不定時短語。it常代替由不定式短語、動名詞短語或從句表示的真正主語，作形式主語，而將真正的主語后置it常代替由不定式短語、動名詞短語或從句表示的真正主語，作形式主語，而將真正的主語后置常代替由不定式短語、動名詞短語或從句表示的真正主語，作形式主語，而將真正的主語后置。常代替由不定式短語、動名詞短語或從句表示的真正主語，作形式主語，而it常代替由不定式短語、動名詞短語或從句表示的真正主語，作形式主語，而將真正的主語后置。將真正的主語后置。

it常代替由不定式短語、動名詞短語或從句表示的真正賓語，作形式賓語，而將真正的賓語后置。

一、it作為形式賓語主要分為以下幾種情況。1）動詞（make,feel,find,consider,think等）＋it＋形容詞或名詞＋（of/forsb.)+不定式1.Ifeelitanhonortobeinvitedtomakeaspeechhere.2.Theyconsidereditimprotanttohaveworkdoneontime.2)動詞（make,feel,find,consider,think等）＋it+nouse/nogood/useless/worthone’swhile/awasteof.../worthwhile...+動名詞doing...3.Doyouthinkitanyusearguingwithhimaboutit?4.Ibelieveitawasteofmoneysmoking.3)動詞＋介詞＋it＋that從句常見的這類動詞+介詞短語有：oweto;dependon,relyon,seeto,takeitforgranted（對……相當然）insiston等。edress.Ittookmeayeartofinishit.1.Heowesittohisdoctors;surethatheisquitewellagain.2.Manystudentstakeitforgrantedthatparentsshoulddoallforthem.3.Maryinsistedonitthatshewasinnocent.4)動詞＋it＋when/if從句.常見動詞用appreciate,like,dislaike,hate,prefer,enjoy等。1.Shehatesitwhenhebraggedthathewasthemostimportant.2.Iwouldappreciateitifyoucouldtakemysuggestionsintoconsideration.5）動詞+it+過去分詞+從句。Theyhaven’tmadeitknownwheretheyaretoholdtheconference.二、it作賓語常見習慣用語

1.makeit

Despitemanydifficulties,weevetuallymadeittotheremotevillage.2.That’sit

That’sit.Forme,that’senough.3.GuessitWhichwillbeourclassteacher?MrWangorMrsLi?Guessit.4.Gotit

No,you'vegotitallwrong.She'shiswife.N猜猜you'vegotitallwrong.She'shiswife.成功，搞定就就這樣明白，理解5.WorthitEveniftheadvantagesaresmall,theyarestillworthit6.Don’tmentionitDon'tmentionit.It'stheleastIcandoforafriend.Bytheway,youcandomeafavorinreturn.7.Forgetit1---Sorry,butihadn’tmeanttohurtyou.----Forgetit.---Mr.Zhang,CanIhandinmyhomeworktomorrow?---Forgetit.Don’tputofftilltomorrowthingsyoucanfininishtoday.--沒沒關(guān)系，常用于sorry的回答或拒絕對方的請求輕就ho’sthatatthedoor?---____isthemilkman.zhzh值得做的不客氣，常用于謝謝的回答四__________________________________一、Rewritetheunderlinedpartsusingitasanemptyobject.Thered-earedslider,aspeciesoffreshwaterturtle,isnativetotheSouthernUnitedStatesandNorthernMexico.Duetoitscuteappearance,manypeoplethinkkeepingthisturtleasapetisagoodidea.

manypeoplethinkitagoodideatokeepthisturtleasapet.

RRecentyearshaveseenmoreandmorepetslidersescapingorbeingreleasedfromhomes,andsomeownersbelievetoreleasethemintothewildisnobigissue.

believeitnobigissuetoreleasethemintothewildThThesedays,peoplehavefoundtoreleasetheseturtlesintothewildisathreattootherspecies.peoplehavefounditathreattootherspeciestoreleasetheseturtlesintothewild_

Expertsconsiderownerskeepingtheirpetsinanenclosedareaimportant,andanyoneunabletokeeptheirpetsshouldtakethemtoanappropriateanimalshelter._________________________ExpertsconsideritimportantforownerstokeeptheirpetsinanenclosedareaActivity2:LookatthepicturesoftheSaihanbaNationalForestParkanddescribeitschangesusingitasanemptyobjectwhereappropriate.Youmayrefertothewordsandexpressionsinthetableforhelp.1960spresentdaynouns/adjectivestodo/thatbreakthroughimpossiblelikelyunrealistic…growinvestigateplanttreestransform…Ithinkitabreakthroughtotransformadesertintoaforest...Ibelieveitlikelythatmorevolunteerswillhelpplantmoretreesaroundthepark.Ifinditimpossibletoinvestigateallthelivingspeciesintheparkatpresent.Ifeelitunrealisticforthelocalpeopletogrowriceandwheatforgrainindustry.二、語法填空1.I’dappreciate____ifyoucouldletmeknowinadvancewhetherornotyouwillcome.2.---TomorrowisChristmas.Canwehaveaholiday?----Forget_____.WeareChineseandwon’tcelebrateit.3.Ithink____wasfunnywatchingmyselfonTV.4.Newtechnologyhasmade____easiertoenjoylifethaneverbefore.5.Youmaydependonit_____theywilllookafteryourdaughterwhenyouareaway.6.Iwouldappreciateitverymuch____youcouldgivemesomesuggestions.7.Willyouseeto_____thatmychildrenaretakengoodcareofwhileiamaway?單擊此處添加標題8.ithink_____necessarythatwetakeplentyofboiledwatereveryday.三、完成句子1.首先，我認為在國外交朋友是非常重要的。Firstofall,I_______________________________abroad.2.蘇珊明確向我表明，她想為自己謀一份新生活。

Susan_________________________shewishedtomakeanewlifeforherself.3.如果你能讓我提前知道你是否能來，我會很感激的。

_____________________youcouldletmeknowinadvancewhetherornotyouwillcome.4.我認為和他爭論沒有用的。I_________________________________him.5.我么都想當然的認為米萊能成功。Weall______________________________Milecansucceed.單擊此處添加標題三、把下列各句改寫成it形式賓語的句子。1.Weallthoughtthathemissedoutonthechancetogotocollegebecauseofhisillhealthwasapity.2.Iowethatihavegainedanumberofskillsandknowledgewhichithinkwillhelpmeinthefuturetoyou.3.Hedoesnotconsiderspendingalotoftimeoncosplayisworthwhile.4.Sometimeshefoundtofallasleepatnightwasveryhard,sohewenttoseethedoctor.5.Becauseofnewsservices,newspaperspossiblyoffertheirreadersnewsfromaroundtheworld.6.Weallthoughtwhetherwecouldraiseenoughmoneyfortheprojectwasaquestion.7.Isupposethereisnoneedtotalkaboutthisproblemwiththematonce.8.WhenyouwerewatchingyourfavoriteTVprogramandsomeonecameintotheroomandjustshutitoffwhithoutaskingyou,howwouldyoulike?

Key一、1.it2.it3.it4.it5.that6.if7it8.it二、1.thinkitveryimportanttomakemorefriends.2.madeitcleartomethat3.I’dappreciateitif4.thinkitnousearguingwith5.takeitforgrantedthat三、1.Weallthoughtitapitythatmissedoutonth