人教课标高二选修6Unit3,Ahealthylife,,1.Itisnevertoooldtolearn.活到老,学到老。,2.Itrainscatsanddogs.大雨滂沱,3.Itneverrainsbutitpours.不鸣则已,一鸣惊人。,4.Itisapoormousethathasonlyonehole.,1.Itisnevertoooldtolearn.2.Itrainscatsanddogs.3.Itneverrainsbutitpours.4.Itisapoormousethathasonlyonehole.,,ItisamazingthatatmyageIamstillfit.,2.Itiseasiertofallthantorise.,3.Itisnogoodcryingoverspiltmilk.,4.Ithinkitbestthatyoushoulddomoreexercise.,5.Hefounditdifficulttoaccustomhimselftogettingupearly.,ThesubjectpositionItisamazingthatatmyageIamstillfit.2.Itiseasiertofallthantorise.3.Itisnogoodcryingoverspiltmilk.“It”canbeusedinthesubjectpositiontostandfor_______,___________or_________.aclauseaninfinitive-ingform,Theobjectposition4.Ithinkitbestthatyoushoulddomoreexercise.5.Hefounditdifficulttoaccustomhimselftogettingupearly.aclauseaninfinitive,ItisamazingthatatmyageIamstillfit.2.Itiseasiertofallthantorise.3.Itisnogoodcryingoverspiltmilk.4.Ithinkitbestthatyoushoulddomoreexercise.5.Hefounditdifficulttoaccustomhimselftogettingupearly.“It”canbeusedinthesubjectorobjectpositiontostandfor________,___________or_________.aclauseaninfinitive-ingform,It’sdifficulttogiveupsmoking.Isitcertainthattheywillwin?Itisgoodlearningwithoutpractice.Itisfunforhimtostudy.It’sapitythatourteachercan’ttakepartinourparty. 6.Itissuggestedthatwe(should)arrivetherein2hours.,formalsubjectIt+is+adj./n./p.p.+infinite/clause/-ingformrealsubjectclear,easy,true,difficult,certain,etc.fun,apity,ashame,nouse/good,etc.said,believed,decided,hoped,etc.,It’sdifficulttogiveupsmoking.Itisfunforhimtostudy.3.Itissuggestedthatwe(should)arrivetherein2hours.遵循英语语言的尾重原则,避免句子头重脚轻。,formalobject2.…+verb+it+adj./n.+infinite/clause/-ingformrealobjectfind,think,feel,believe,consider,make,etc.,2.Someyoungpeoplethinktheylookattractivewhentheysmoke.Itseems__________________________________________________________Givingupsmokingisdifficulttodo.Itis__________________________thatsomeyoungpeoplethinktheylookattractivewhentheysmoke.difficulttogiveupsmoking.,3.Mostpeoplebelievesmokingcausescancer.Itisbelieved_________________________4.Don’ttrytoquitonastressfulday.Itisnouse___________________________tryingtoquitonastressfulday.thatsmokingcausescancer.,5.Chinaproducesonethirdoftheworld’scigarettes.Itisastonishing____________________________________________________6.Youarenotallowedtoadvertisecigarettesinthiscountry.Itisillegal__________________________________thatChinaproducesone-thirdoftheworld’scigarettes.toadvertisecigarettesinthiscountry.,7.Myfatherhasquitsmokingatlast.Itiswonderful_________________________________________8.Thenightwasdarkandstormywhentheoldmanstartedhisjourney.Itwasa_______________________________________________________darkandstormynightwhentheoldmanstartedhisjourney.thatmyfatherhasquitsmokingatlast.,9.Youcouldsufferfrombadhealthifyoukeepsmoking.Itislikely__________________________________________________10.Youhavetotakepillstocontrolyourbloodpressure.Itisnecessary______________________________________________foryoutotakepillstocontrolyourbloodpressure.thatyoucouldsufferfrombadhealthifyoukeepsmoking.,3.Itwasadarkandstormynightwhentheoldmanstartedhisjourney.Inthissentence,“it”isusedtotalkabouttime.“It”canbeusedinanotherway?Inthissentence,whatdoes“it”referto?,,Itisabeautifulday.2.Itneverrainsbutitpours.,3.Itwastimetoquitesmoking.,4.Itis10kilometerstothecastle.,5.Ittakesallsorts.世上的人形形色色，无奇不有。,“It”canbeusedtotalkabout________,_____,________,etc.Itisabeautifulday.2.Itneverrainsbutitpours.3.Itwastimetoquitesmoking.4.Itis10kilometerstothecastle.5.Ittakesallsorts.weathertimedistance,Impersonal“it”canalsobeusedtotalkabout____,______,____________,_____________,etc.circumstance1.ItisFridaytoday.2.ItliesinthesouthofShaoguancity.3.Itis40℃!Yougotahighfever!4.It’squiethere.dateplacetemperature,1.Itwasverycoldyesterday.2.Itisabout8:30now.3.Itisabout5kmfrommyhometothepark.4.It’squitenoisyhere.5.Ihopethatitwillbefinetomorrow.circumstanceweathertimedistanceweather,Oneofyouisaneyewitness(E)whohasseenarobberyoranaccident.Theotheristhepoliceman/policewoman(P)whowantsasmuchinformationaspossible.Use“it”intheanswers.,EXAMPLE:P:Whatwastheweatherlikeonthedayoftheaccident?E:Itwasbeginningtorainhardandthegroundwasslippery.P:Howfarcouldyousee?,E:Itwasimpossibletoseemorethantwentyyardsaheadofyou,soallthecarsweretravellingveryslowly.P:WhataboutMr.Li’scar?Wasittravellingslowlytoo?…,Practiseyourdialogueandthenswaproles.,Homework了解it的用法，掌握它的规律。,
