高二英语 Unit12 Fact and fantasy（名师导课）教案 人教版VIP免费

ReferenceforTeachingⅠ.异域风情EBayEveryday,about500000thingsaresoldontheInternetcomputerWebsitecalledeBay.IthasbeencalledthemostsuccessfulbusinessinInternethistory.EBayisaninternationalelectronicauction(拍卖).ComputerusersaroundtheworldcomputertobuythingsforsaleontheeBayWebsite.Thepersonwhooffersthemostmoneybuystheobject.YoucanbuyandsellalmostanythingoneBay.Thisincludesart,books,electronicequipment,clothing,cameras,sportsequipment,jewelry,moviesandmusic.Youcanevenbuyandsellcars,propertyandplacestospendyourholiday.Thereareabout11millionthingsforsaleoneBayatonetime.Manypeoplebuyandsellspecialthingsthattheycollect,liketoytrainsordolls.Someofthesethingsbecomeveryvaluableovertheyears.Forexample,awomaninFloridahascollectedthetoyscalledBarbiedollssinceshewasalittlegirl.Sheknowswhichonesarevaluablebecausetheyarerare.Recentlysheboughtonedollforafewdollarsatsomeone’syardsale.ShelatersolditforseveralhundreddollarsoneBay.SomethingsoneBaysellforonlyafewdollars.Otherssellformanythousandsofdollars,suchasoldcarsorraremoneycollections.SomeAmericanshavestartedtheirownbusinesssellingthingsoneBay.Morethan100000businessesnowoperateonlyoneBay.Theheadquarters(总部)ofeBayareinSanJose,California.AyoungmannamedPierreOmidyarstartedeBay.HeworkedasacomputerprogrammerinCalifornia.MisterOmidyar’sideawastosetupaperfect,internationalmarketplacewhereeveryonewasequal.HisideabeganasaWebsitecalledAuctionWebin1995.Threeyearslateritbecameapubliccompany.Itwasthenvaluedatmorethan2000milliondollars.EBaydoesnotsellanythingitself.Instead,itconnectsbuyersandsellers.Itcollectsmoneyfromthesellersforeveryobjectsold.EBayhaslinkstoWebsitesin20othercountries.Almost50millionpeoplearoundtheworldbuyandsellthingsoneBay.Ⅱ.知识归纳1.but用法归纳but一词在英语中占有非常重要的地位，平时练习题或高考题中出现的频率也比较高它既可作连词、介词、副词，有一些习惯搭配和固定用法。现将其用法归纳如下：（1)but用作连词①用作等立连词，使用前后的词、短语、从句相互对照，作“但是；然而；可是”解。如：Hedoesn’tlikemusicbuthiswifedoes.他不喜欢音乐，但他的妻子却很喜欢。Sheisveryyoungbutveryexperienced.她虽然年轻但经验丰富。②用于表示歉意的话语后，表示有礼貌地拒绝或不赞成。如：I’msorry,butIdisagreewithyou.对不起，我不同意你的意见。③引导从句，与前面的否定词对应，作“无……而不……”解。如：IneverpassmyoldhousebutIthinkofthehappyyearsIspentthere.每当我路过我的旧房子时，都会追忆起我在那儿度过的快乐岁月。Nomanissocruelbuthemayfeelsomepity.没有人会残忍到连一点同情心都没有。（2）but用作介词①与no,nobody,nothing,none,who等词连用，作“除……之外”解，用来排除同类，从整体中除去一部分。如：Nobodyknewherbutme.除我以外，没有人认识她。Theproblemisanythingbuteasy.这个问题可绝对不容易。②but前若有do的某种形式（did,does）时，but后的动词不定式就省略to；若无则带to。如：Wehadnochoicebuttowait.除了等待我们别无选择。HedidnothingalldaybutwatchTV.一整天他除了看电视无所事事。③与last,next及one,two等连词，作“倒数第二、第三”等解。Tomwasthelastbutonetoarrive.汤姆是倒数第二个到达的。Takethenextturningbuttwoonyourleft.在你左方第三个转弯处拐弯。（3）but用作副词①相当于only，意为“不过；只”，后跟名词或动词。如：Tomisstillbutachild.汤姆只是个孩子。②用在can后意为“只能”；用在cannot后意为“不得不”。如：Ican’tbuthurryback.我只能赶紧回来。Icannotbutadmirehisbravery.我不得不佩服他的勇敢。③用在too…to…结构前表肯定的意义。如：I’mbuttoogladtogotherewithyou.我非常高兴和你一...