ReferenceforTeachingⅠ.异域风情Everycountryhasapostalsystem,buttheserviceandspeedofmaildeliveryvary(不同的).TheAmericanpostalserviceisverygood,thoughitisslowerthanpostalserviceinsomecountriessuchasBritain.MostdevelopedWesterncountrieshavefastandreliablemaildelivery,butsomecountrieshavebeentroubledbylaborstrikesthatdelayeddeliveriesforweeksormonths.Canadausedtohavesuchstrikes,buthasnothadapostalworkers’strikeformanyyears.StrikesalsohavebeenaprobleminItaly,AustraliaandFrance.Insomecountries,stampshaveoccasionallybeenpeeledoff(撕掉)fromlettersandsoldtostampcollectorsbeforetheselettersreachtheirintendedrecipients.Traditionalpostalserviceisbeingchallengedbymoderntechnology.Insteadofbuyingstampsandenvelopesforsendingletters,manypeoplenowusefaxmachinesandE-mailsystems.Thesenewmethodsofcommunicationarealotfasterandarebecomingcheaper.IntheU.S.,manybusinessesuseprivatemailservicesfordeliveryofexpressmailandpackages.ManynewfirmsthatofferexpressmailserviceorspecialdeliveryservicehavestartedtooperateinChina.Someofthesefirmsarepartoftheexistingpostalsystem;othersarenotattached(隶属)tothesystemandoperateinconjunctionwithorindependentlyfromthepostalsystem.Ⅱ.知识归纳1.it的用法it作代词,常见用法如下:(1)指天气,时间,距离等Itiscoldtoday.今天天气冷。(指天气)It’sgettingcolderandcolderdaybyday.天气一天天变冷了。(指天气)What’sthedatetoday?It’stheeleventh,October.今天几号了?10月11号。(指日期)It’stimetogotobed.是睡觉的时间了。(指时间)Itwastwelveo’clockalready.已经十二点了。(指时间)Howfarisitfromyourschooltothebusstop?从你们学校到公共汽车站有多远?(指距离)Itisautumnnow.现在是秋天了。(指季节)Itisquiethereinthepark.公园里很安静。(指环境)(2)指代刚提到过的东西(可指具体的东西,也可指抽象的东西)Myfatherboughtmeanewbikeanditcostusfourhundredyuan.我父亲给我买了辆新自行车,花了我们400元。—Iwanttostay.我想留下来。—Yourfatherwon’tlikeit.172你父亲不会喜欢你这样的。YougavemealotofhelpwhenIwasinBeijing.AndIwillnotforgetit.在北京你帮了我很大的忙,我是永远忘不了这件事的。(3)作形式主语,代替不定式,动名词或从句Itisimportanttomasteraforeignlanguage.=Tomasteraforeignlanguageisimportant.掌握外语是重要的。Itisnousesayinganymoreaboutit.=Sayinganymoreaboutitisnouse.关于这件事再多说也无用。Itwon’tmakeanydifferenceyourbeinghere.=Yourbeingherewon’tmakeanydifference.你在不在这里都一样。Itissaidthatheisathief.=Thatheisathiefissaid.据说他是个小偷。Itisstrangehowlittleheknowsaboutthis.关于这件事他知道这样少真是奇怪。Itismyfaultthishashappened.发生了这件事是我的错。(有时可省略that)(4)作形式宾语,代替不定式,动名词,从句Ifounditdifficulttopersuadehimtostopsmoking.我发现说服他戒烟很困难。Doyouthinkitrightwastingyourtime?你认为浪费你的时间对吗?Hekeptitasecretthathisfatherhaddied.他不告诉别人他父亲已经去世了。(5)用于强调句中ItwasyesterdaythatImetherinthestreet.我是昨天在街上碰到她的。Itisyouthat/whoarewrong.是你错了。IthinkitwasJacksaidthis.我认为是杰克说过这件事。(who或that也可省去)Whatisityouwantmetodo?你是想让我做什么?(it后省去了that)(6)作不定的形式主语Whoisitthere?It’sI(me/you/he…).那是谁呀?是我(你/他……)。IthoughtitwasMary,butitwasnotshe.我还认为是玛丽,但不是她。(7)it还有下列用法①用在一些词组中,it没有特别的意思Thelasttrain’sgone.Comeon,we’llfootit.173最后一趟火车已经开走了。来,咱们步行吧。②有时泛指一般情况Howisitgoing?情况怎样?It’syourturntobeonduty.轮到你值...