LanguagePointsEconomicdevelopmentisnecessaryifwewanttoimprovesociety.Therecomesa

timewhen

theoldmustgivewaytothenew,anditisnotpossibletopreserve

everythingfromourpastaswemovetowardsthefuture.Findingandkeepingtherightbalancebetweenprogressandtheprotectionofculturalsitescanbeabigchallenge.Bigchallenges,however,cansometimesleadtogreatsolutions.Inthe1950s,theEgyptiangovernmentwantedtobuildanewdamacrosstheNileinordertocontrolfloods,produceelectricity,andsupplywatertomorefarmersinthearea.Itwasatimewhen.........的時間已經(jīng)到來Therecomesatime...

倒裝句即here，there等表示地點的副詞置于句首且主語是名詞可用come，stand，lie，live，appear等代替be動詞。①Thereliesasmallriverinfrontofourschool.②Therelivedarichcouple.完成句子①到了我們必須采取有效措施阻止瀕危物種消失的時候了。(come)

wemusttakeeffectivemeasurestopreventendangeredspeciesfromdisappearing.②河上有座石橋。(stand)

acrosstheriver.TherecomesatimewhenTherestandsastonebridgeEconomicdevelopmentisnecessaryifwewanttoimprovesociety.Therecomesatimewhen

theoldmustgivewaytothenew,anditisnotpossibletopreserveeverythingfromourpastaswemovetowardsthefuture.Findingandkeepingtherightbalancebetweenprogressandtheprotectionofculturalsitescanbeabigchallenge.Bigchallenges,however,cansometimesleadtogreatsolutions.Inthe1950s,theEgyptiangovernmentwantedtobuildanewdamacrosstheNileinordertocontrolfloods,produceelectricity,andsupplywatertomorefarmersinthearea.Itwasatimewhen....做....事情是不可能的：it是形式主語itis+adj.+todo該句型中it做形式主語,todo不定式做真正的主語。拓展：1.itis+adj.+forsb.todo(easy/difficult/hard/important/necessary/possible/wise)2.itis+adj.+ofsb.todo(kind/nice/stupid/clever/foolish/polite/impolite/silly/considerate）Economicdevelopmentisnecessaryifwewanttoimprovesociety.Therecomesatimewhentheoldmustgivewaytothenew,anditisnotpossibletopreserveeverythingfromourpastaswemovetowardsthefuture.Findingandkeepingtherightbalancebetweenprogressandtheprotectionofculturalsitescanbeabigchallenge.Bigchallenges,however,cansometimesleadtogreatsolutions.Inthe1950s,theEgyptiangovernmentwantedtobuildanewdamacrosstheNileinordertocontrolfloods,produceelectricity,andsupplywatertomorefarmersinthearea......的時間已經(jīng)到來Itwasatimewhen....preservefrom/against(doing)sth：保護...免受/當....此處as引導時間狀語從句做....事情是不可能的：it是形式主語to為介詞/resultinsupplysthtosb./supplysbwithsth.如果我們想社會進步，就必須發(fā)展經(jīng)濟。新舊更替的時代已經(jīng)到來，在走向未來的過程中，我們不可能將過去的一切都保存下來。在進步與文化遺址保護之間尋找并保持適當?shù)钠胶饪赡苁且粋€巨大的挑戰(zhàn)。然而，巨大的挑戰(zhàn)有時會帶來很好的解決方案。20世紀50年代，埃及政府希望在尼羅河上修建一座新的水壩，以控制洪水，發(fā)電和向該地區(qū)更多的農(nóng)民供水。Butthe

proposalledtoprotests.Waterfromthedamwouldlikely

damageanumberoftemplesanddestroyculturalrelicsthatwereanimportantpartof

Egypt’sculturalheritage.Afterlisteningtothescientists

whohadstudiedtheproblem,andcitizenswholivednearthedam,thegovernmentturnedtotheUnitedNationsforhelpin1959.Acommittee

was

establishedtolimit

damagetotheEgyptianbuildingsandpreventthelossofculturalrelics.Thegroupaskedforcontributionsfromdifferentdepartmentsandraisedfunds

withintheinternationalcommunity.make/putforwardaproposalv.摧毀/毀壞

n.destructionplayanimportantroleinbelikelytodo：可能做某事狀語從句的省略turntosbforhelp:向某人求助n.limitationlose-lost-lost陷入沉思：belostinthoughtmakeacontributioncontributeto募捐1.When______________(cooperate)withothers,wewillbeexposedtochallengesmoreorless.2.ButIcouldn’tfindmyselflikethemwhen_____________(speak)．3.________________________________(當為即將到來的一天做準備時),Ilovelisteningtomusicasmyregularmorningroutine.4.Oneday,__________________________(在海灘上散步時),shesuddenlycameupwithanideaofwritingsomeencouragingmessagesonrocks.cooperatingspeakingWhilepreparingforthecomingdaywhilewalkingonthebeachWhenwecooperate......whenIwasspeakingWhileIampreparingfor...whileshewaswalkingon但是該提議引發(fā)了抗議。大壩中的水很可能會破壞許多寺廟，并破壞埃及文化遺產(chǎn)中重要的文物。在聽取了研究這一問題的科學家以及住在大壩附近的居民的意見后，政府于1959年向聯(lián)合國求助。委員會成立了，以減少對埃及建筑的破壞和防止文物的損失。委員會要求各部門捐款，并在國際社會籌集資金。Expertsinvestigatedtheissue,conductedseveraltests,andthen

madeaproposalforhowthebuildingscouldbesaved.Finally,adocumentwas

signed,

andtheworkbeganin1960.Theprojectbroughttogethergovernmentsandenvironmentalistsfromaroundtheworld.Templesandotherculturalsites

weretakendownpiecebypiece,andthenmovedandputback

togetheragaininaplace

where

theyweresafefromthewater.In1961,Germanengineersmovedthefirsttemple.

Overthenext20years,

thousandsofengineersandworkersrescued22templesandcountlessculturalrelics.beexpertin:擅長做某事conductaninterview/anexperiment（實驗）takedown:拆卸/記下將....放回原處adj.數(shù)不盡的countable/uncountablecounton:依賴/依靠專家們對該問題進行了調(diào)查，進行了幾次測試，然后就如何保存這些建筑物提出了建議。最后，簽署了一份文件，這項工作于1960年開始動工。該項目匯集了來自世界各地的政府和環(huán)保主義者。寺廟和其他文化遺址被逐一拆除，然后移至安全的地方重新放置，使其遠離水源。1961年，德國工程師搬遷了第一座廟宇。在接下來的20年里，成千上萬的工程師和工人拯救了22座寺廟和無數(shù)的文物。Fiftycountriesdonatednearly$80milliontotheproject.Whentheprojectendedin1980,itwasconsideredagreatsuccess.Notonlyhad

thecountriesfounda

path

tothefuturethatdidnotrunovertherelicsofthepast,

buttheyhadalsolearntthatitwaspossibleforcountriestoworktogethertobuildabettertomorrow.The

spiritoftheAswanDamprojectisstillalivetoday.PerhapsthebestexampleisshownbyUNESCO,whichrunsaprogrammethatpreventsworldculturalheritagesitesaroundtheworldfromdisappearing.（具體的）成功的人或者事：可數(shù)afailure/asurprise/abeautynotonly......butalso位于句首時候，notonly分句要部分倒裝，butalso部分不需要apathto:.....通往...的道路alive:活著的/繼續(xù)存在的preventfrom：防止...../避免.....appearance：n.也許最好的例子就是聯(lián)合國教科文組織，它開展了一項防止世界各地世界文化遺產(chǎn)消失的計劃。五十個國家為該項目捐款近8000萬美元。當該項目于1980年完工時，它被認為是巨大的成功。這些國家不僅找到了一條不以犧牲古跡為代價的未來發(fā)展之路，而且明白了多個國家合作共創(chuàng)美好未來的可能性。如今，阿斯旺水壩工程的精神仍然存在。部分倒裝：（助動詞/系動詞/情態(tài)動詞）置于主語前情況1：當否定詞或者帶有否定意義的詞或短語位于句首時notonly…butalso【not倒but不倒】

Mybrothernotonlycheatedmeoutofmymoneybutalso

insulted（侮辱）myintelligence.

Notonlydidmybrothercheatmeoutofmymoneybutalso

insultedmyintelligence.Thecity

wasnotonly

pollutedbutthestreetswere

crowded.Notonly

wasthecity

pollutedbutthestreetswere

crowded.但notonly...butalso...連接主語時,不倒裝。(就近原則)

Notonlythechildren

butalsothemother

issick.部分倒裝否定連詞：1)notonly…butalso…

2)n