Unit20ArchaeologyReading1.beusedfor被用来做beusedas被用作beusedby被谁来使用beusedtodosth.被用来做某事beusedtodoingsth.习惯做某事usedtodosth.过去常常做某事Bamboocanbeusedforbuilding.Thesewordsareusedbynativespeakers.Thisgrammarbookcanbeusedasatextbook.2.decorationn.decoratev.t.decorate…withsth.3.curiosityn.curiousa.becuriousabout对……好奇Itiscurious+that………是奇怪的becurioustodosth.渴望去做某事4.dateback(to)datefromgobacktoThechurchdatesfromthe13thcentury.ThefamilynamegoesbacktoNormantimes.datev.1.写/印下日期2).弄清日期Makesureyousignanddateitatthebottom.Therocksaredatedbyexaminingthefossilsfoundinthesamelayer.5.onprep.支撑ShewasonherfeetinnotimeCanyoustandonyourhead?6.weardresshaveonputonbeinwear(bewearing)+衣物;首饰haveon+衣物;首饰(无进行时)bein+衣服;颜色bedressedin+衣服;颜色puton+衣物;首饰dresssb.(oneself)7.Sparea.1)备用的2)空闲的Eachcarshouldhaveasparetyre.Whatdoyoulikedoinginyoursparetime.v.3)出让4)省用5)用不着Canyousparemethisbookforawhile?Wehopethatreaderswillnotsparetheircomments.Wecanspareyoufortomorrow.8.avarietyof不同的,许多awide/great/endlessvarietyofsomethingvarietiesof大量的,不同样的Tomoffersawidevarietyofsandwiches.Thereareabout7,000knownvarietiesofapple.9.causen.主要是事实方面的原因。常用causeof…reasonn.强调逻辑推理方面的理由。常用reasonfor…。要表示产生某种不好的事情的起因时常用because而不用reason.Iceontheroadwasthecauseoftheaccident.Giveyourreasonforchangingtheplan.ingeneral/practical/financialtermsItwouldbewrongtodescribeasocietypurelyineconomicterms.insomebody’sterms在……看来Inourterms,theschemehasnotbeenasuccess.inrealterms事实上Railfareshavefallen17percentinrealterms.inrelativeterms相对而言Studentshavelessmoneyinrelativeterms,butspendmoreonbook.11.technicala.12.haveahandinhandinhandin(on)handoutofhandathandhandtohandbyhandon(the)onehandleadahandontheotherhandhanddown(=passdown)handinhandsth.outtosb.handbackhandsb.sth.13.rootn.haveroot(s)in…14.climaten.weathern.15.digup16.accompanyv.companyn.companionn.17.1)leadsb.todosth.Hehadledeveryonetobelievethathisfamilywasverywealthy.2).leadsb.tosth.Ourresearchledtotheconclusionthatthepresentsystemisfair.3).leadtosth.AdegreeinEnglishcouldleadtoacareerinjournalism.4).leadtosb.doingsth.Hisactionscouldleadtohimlosinghisjob.5).leadsb.Intosth.Hertrustingnatureoftenledherintotrouble.18.havetradelinkswith与……通商1).linkwithThecompanyhasstronglinkswithbiginvestors.2).linkbetweenthecloselinkbetweenteacherandstudent.3).forge/establishlinksOrganizersoftheprojecthopethatinternationallinkswillbeforged.4).rail/road/telephonelinkTheofficehasdirectcomputerlinkstoover100firms.19.findn.1.追溯到…2.侧卧3.一件衣服4.靠近…,贴近…5.与…有联系6.参与,插手于7.竖起,使(车、马)停止datebacktolieonone’ssideapairofclothesclosetobelinkedtohaveahandinpullup8.用…的话,以…的观点9.有名望,威望高10.充当,担任11.使某人想起12.属于…,是…的13.挖出intermsofofhighstatusserveasremindsb.of…belongtodigupUnit201.作为一个公民,我们应该为国家服务。Asacitizenweshould________________.2.我想看一看着东西。I’m______________tohavealookatit.serveourcountrycurioustoUnit203.我的钥匙找不到了,可能是望在家里。Ican’tfindmykey.I_______________itathome.4.在汤姆眼中,她就是一个天使。_____________ofTom,sheisanangel.5.他看起来很像他的祖父。He___________________hisgrandfather.mayhaveleftIntheeyeslooksverymuchlike