Unit6DisasterandhopeAsisreported，partsoftheworldarethreatenedbynaturaldisasters，whichoccurmoreoftenthanbefore.Lookingthroughtherecord，weknowthatin2004，anexceptionallyterribletsunamihappenedintheIndianOcean，claiminghundredsofthousandsoflivesandcausingbillionsofdollarsofdamage.WealsosawahurricanevisittheUnitedStatesin2005.Itdestroyedmillionsofpropertiesinthearea.Despitemuchrescueworkdone，ittookthelivesof1，800peopleplus.Thenwhatcanwedo？Personally，weshouldtrytoforecastnaturaldisastersandtakeimmediateactionwhenanyemergencyhappens，grabbingeveryminutetosavelives.Besides，we’resupposedtokeepondevelopingscienceandtechnology，usingsatellitestopredictdisastersmorepreciselysomeday.1occur（occurred，occurred，occurring）vi.發(fā)生，出現(xiàn)1.Thefifthmassextinction，whichoccurred（occur）66millionyearsago，causedthedeathofthedinosaurs.2.[外研選必②－3]Iwaswatchingasuperherofilmtheotherdayandathoughtoccurredtome：wheredoesSupermangetchangedthesedays？3.他突然想到那個(gè)小男孩可以通過(guò)賣(mài)爆米花賺錢(qián)。（讀后續(xù)寫(xiě)之心理描寫(xiě)）Itoccurredtohimthatthelittleboycouldearnmoneybysellingpopcorn.點(diǎn)撥表示"某人突然想起某事"可以用Sth.occurstosb.，此處主語(yǔ)較長(zhǎng)，可用it作形式主語(yǔ)，變換成"Itoccurstosb.that..."句式。"某人突然想起某事"的其他句式：Sb.hitsonsth.，Sth.suddenlycomestosb./one’smind，Sth.strikes/hitssb.，主語(yǔ)較長(zhǎng)時(shí)，也可用it作形式主語(yǔ)?！飋ccur沒(méi)有被動(dòng)語(yǔ)態(tài)，不用于進(jìn)行時(shí)態(tài)；作謂語(yǔ)時(shí)，主語(yǔ)不能是人?！颯th.occurstosb.某人突然想起某事。Itoccurstosb.todosth./that...某人突然想起做某事。/某人突然想起……★occurrencen.發(fā)生的事情；發(fā)生，出現(xiàn)2rescuen.營(yíng)救，解救vt.援救，營(yíng)救1.Nooneknowswhyanimalshavesooftencometoourrescue.However，itisclearthathumansandanimalsenjoyacloserelationship.2.Soonaftertheaccident，onethousandsoldiersweresenttorescuetheminersfromthelocalcoalmine.3.每當(dāng)我們處于緊急之中時(shí)，我們總能信任他們會(huì)來(lái)救我們。 （讀后續(xù)寫(xiě)之主旨升華）Wheneverweareindanger，wecanalwaysrelyonitthattheywillcometoourrescue/cometorescueus.★come/gotosb.’srescue來(lái)/去救某人★rescue...from...把……從……解救出來(lái)3claimvt.奪去（生命）；聲稱(chēng)，斷言；要求，認(rèn)領(lǐng)；獲得vt.&vi.索要，索取n.斷言；全部權(quán)；索賠，索款；主見(jiàn)1.結(jié)合語(yǔ)境寫(xiě)出下列句子中畫(huà)線單詞的詞性及含義①[人教選必①－5]Whenpeoplepresentimportantfacts，theyusuallygivesomeevidencetosupporttheirclaims. n.主見(jiàn)②Heavysnowfallwithinashortperiodoftimedestroyedbuildingsandforests，andclaimedatleast256lives. v.奪去（生命）③Shehasfinallyclaimedaplaceontheteamafteralotofpractices. v.獲得④Atthispoint，noonehadcalledtoclaimthedog，soAnndecidedtokeepit. v.認(rèn)領(lǐng)⑤[外研選必①－6]Sittingbackinmyseat，Ican’tquitebelievethatI’mabouttotravelalongtherailwaythatmanyforeignexpertsclaimedwas"impossible". v.聲稱(chēng)2.由于貨物損壞，我寫(xiě)信要求退款。 （投訴信）I’mwritingtoclaimmymoneybacksincethegoodsaredamaged.3.這位老人聲稱(chēng)對(duì)鳥(niǎo)類(lèi)了如指掌?！賂heoldmanclaimstoknoweverythingaboutbirds.（不定式）→②Theoldmanclaimsthatheknowseverythingaboutbirds.（賓語(yǔ)從句）★claimthat...聲稱(chēng)……Itisclaimedthat...據(jù)說(shuō)……claimtodosth.聲稱(chēng)做某事claimtohavedonesth.聲稱(chēng)做過(guò)某事claimsth.from...（for...）（因……）向……索要……claimsth.back索回/要回某物4threatenvt.威逼，恐嚇；威逼到，危及1.Inthestory，theorphanboy，OliverTwist，isforcedtobeathiefbysomebadpeoplewhothreatentokill（kill）himifhedoesnotcooperate.2.Withsome40％ofplantspeciesunderthreatofextinction，therewouldbemoreurgencyaroundprotectingthem.3.Onlywhenwelearntoexistinharmonywithnaturecanwestopbeingathreattowildlifeandtoourplanet. （環(huán)境疼惜）★threatentodosth.威逼做某事★threatn.威逼；兇兆athreatto...對(duì)……構(gòu)成威逼的人或事物underthreat受到威逼5lookthrough閱讀，翻閱1.Today’sgenerationalreadyhasathletestheycanrespectandlookupto.2.[人教必修①－2]MydadandIarebothlookingforwardtogoing（go）totheShaanxiHistoryMuseum，becausemydadloveshistoryandIhaveheardthatthismuseumisknownasa"Chinesetreasurehouse"！點(diǎn)撥lookforwardto中to是介詞，后面接動(dòng)詞時(shí)，應(yīng)用動(dòng)詞的-ing形式。3.請(qǐng)你幫我看一下這篇論文，看看有沒(méi)有明顯的錯(cuò)誤，好嗎？ （求助信）Wouldyoupleaselookthroughthepaperformeandseeifthereareanyobviousmistakes？★lookinto朝里看；調(diào)查，審查lookupto敬重，敬佩lookbackon回顧，回憶lookforwardto盼望，期盼lookdownon/upon輕視，看不起6upon/on＋doing/n.一……就……1.[外研必修③－6]Onhearing（hear）thenews，Chinawasquicktostartorganisingemergencyaid.2.Uponherretirement/retiring（retire）fromtheuniversity，theprofessortookupapositioninthecharity.3.一到海灘，我們就起先清理沖到岸邊的垃圾。 （環(huán)境疼惜）→①Uponarrivalatthebeach，westartedtocleanupthelitterwashedtotheshore.（upon＋n.）→②Themomentwearrivedatthebeach，westartedtocleanupthelitterwashedtotheshore.（themoment）→③Immediatelywearrivedatthebeach，westartedtocleanupthelitterwashedtotheshore.（immediately）★表示"一……就……"的其他表達(dá)：assoonas＋從句themoment/minute/instant＋從句immediately/directly/instantly＋從句7nowthat引導(dǎo)的緣由狀語(yǔ)從句1.Thankstothefacialrecognitiontechnology，thethiefwasarrestedquickly.2.Hewonthecompetitionbecauseofhiseffortsratherthanhisluck.點(diǎn)撥because為連詞，其后跟句子，becauseof為介詞短語(yǔ)，其后跟名詞（短語(yǔ)）。3.既然你長(zhǎng)大了，你就應(yīng)當(dāng)學(xué)著獨(dú)立。Nowthat/Sinceyouhavegrownup，youshouldlearntobeindependent.點(diǎn)撥nowthat，since，because，as，for后都可跟句子，表示緣由。nowthat強(qiáng)調(diào)人們已知的事實(shí)，可與since互換；because常用于回答why的提問(wèn)；as語(yǔ)氣較弱；for為并列連詞，其引導(dǎo)的分句作進(jìn)一步的補(bǔ)充說(shuō)明，for不能位于句首?！镆龑?dǎo)緣由狀語(yǔ)從句的連詞還有：since，because，as★表示緣由的短語(yǔ)還有：dueto，owingto，onaccountof，becauseof，thanksto前綴fore-&post-前綴fore-表示"前，先于，預(yù)先"，相當(dāng)于before，inadvance。與其意義相反的前綴是post-，表示"后，以后"，相當(dāng)于after。本單元：fore-（預(yù)先）＋cast（投，扔）→預(yù)先扔出（信息）→forecast預(yù)報(bào)，預(yù)料拓展：通過(guò)構(gòu)