Unit5 The power of nature.docx

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1、Unit5ThepowerofnatureI导语I火山在地球上喷发已有数百万年了，其中五百多座火山还在喷发着，这也显示了地球本身的力气.是什么导致了火山？究竟发生了什么事？那火山带指的是什么？让我们来了解一下吧.Therearethousandsofvolcanoesallovertheworld.Whatmakesvolcanoes?VVhathappens?Theinsideoftheearthisveryhot.Bccauscitisveryveryhot，therockhasmeltedlikeice.lthasbecomeliquid，likewaler.Itisalwaysboil

2、inglikcwaterinakcttlc.Ifyouhavesconakettleboilingyouknowthatthesteamandboilingwatertrytogetout.Theveryhotmeltedrockinsidetheearthalsotriestogetout.(Jsuallyitcannotbecausetheoutsideoftheearthistoothickandstrong.Butinsomeplacestheoutsideoftheearthisthinandweak.Sonetimesacrack(asmallopening)appears.The

3、hotmeltedrock，Mhichwccall“lavapushesupthroughthecrackandburststhrough.Steanandgasshootupintotheairandthehotmeltedlavapoursout.Bigpiecesofrockmaybethrownhighintotheair.Afterawhilethevolcanobecomesquietagain.Themeltedlavabecomeshard.1.atertheSamethinghappensagainandagain.Eachtimemorehotlavapoursoutont

4、opofthecoldlavaandthenbecomeshard.Inthiswayakindofmountainisbuiltupwithaholedownthemiddle.Eerhapsthevolcanowillthenbequietandnomorelavawillburstout.Perhapsitwillstartagainhundredsofyearslater.词海拾贝1. meltv.（使）溶化，（使）熔化2. kettlen.水壶3. a四.实在的：实际的4. 加射中；射伤5. a办忧虑的；担心的6. 近.&况.惊惶：恐慌7. “保证；担保8. 洗澡答案，1.ash2.

5、suit3.actual4,shoot5.anxious6.panic7.guarantee8.batheIII.依据英语释义写出单词1. $nexttooralongthesideofsomething2. ：tocarefullyconsidersomethingtoseehowusefulorvaluableitis3. :alineofraisedwaterthatmovesacrossthesurfaceofthesea4. tthepossibilitythatsomethingwilldevelopinacertainway,orhaveaparticulareffect5. t

6、tochoosesomeoneforapositionorajob6. xallthespecialtools,machines,clothesetcthatyouneedforaparticularactivity答案：1.alongside!.evaluate3.wave4.potential5.appoint6.equipmentN.选用短语的适当形式完成句子compare.with：ProtCCtfrom；beappointedas.：makeonesway；bumtotheground；aswellas；fastasleep；beaboutto1. You,dbetterofteny

7、ourhandwritingothers,.答案8comparewith2. Achemistryfactoryinthefire.答案：wasburnttotheground3. He.ChairmanoftheStudentsUnioninourschool.答案：hasbeen/WaSappointedas4. Thoughitwasraining,thesoldiersthevillage.答案：weremakingtheirwayto5. WhenIcamehome,myfatherwas.答案ifastasleep6. Ithestationtopickhimupwhenhetel

8、ephonedmethathewasdelayed.答案：wasabouttogotoV.领悟句子所用句型并译成汉语1. HaVinUCaIleCted.and.evaluatedtheinformation,Ihelpotherscientiststopredictwherelavafromthevolcanowillflownextandhowfast.答案：收集和评估了这些信息之后，我就帮助其他科学家一起预料下次火山熔岩将往何处流，流速是多少.2. 1.WaSabouttogobacktosleepWhensuddenlymybedroombecameasbrightasday.答案，我

9、刚要再睡，突然我的卧房亮如白昼。3. ItWaSnotCaSVtOWaIkinthesesuits,butweslowlymadeourwaytotheedgeofthecraterandlookeddownintothered,boilingcentre.答案：穿着这些衣服走起路来实在不倚单，但我们还是线缓朝火山口的边缘走去，并且向下看到了红红的沸1的中心.4. Theothertwoclimbeddownintothecratertocollectsomelavaforlaterstudy,butthisbeingmyfirstexperience,Istayedatthetopandwa

10、tchedthem.答案：另外两人攀下火山口去收集供日后探讨用的岩浆，我是第一次经验这样的事，所以留在山顶上视察他们,课文表层理解I.推断正(T)误(F)1. Thewriterhasthegreatestjobintheworld,butsometimeshewasbored.(E)2. MountKilaueaisthemostactivevolcanoinHawaii.(F)3. ManypeopleliveneathetopofMountKilauea,wheretherocksfall.(F)4. Aftereruptionthewriterandtheothertwoscienti

11、stswenttothemountainonfoot.(F)5. Theeruptionwasthewritersfirstexperienceandhewouldneverforgetit.()H.读课文回答问题1. WhereisMountKilauea?答案：ItiSillHaWaii.2. Whalisthevolcanologistwearingwhengettingclosetothecrater?答案：lieiswearingwhiteprotectivesuitsthatcoveredhiswholebody,helmets,bigbootsandspecialglovesju

12、stlikeaspaceman.3. Whatdoesthewritermeanbyusingfc4Iuckyvinthesentence“1wasluckyenoughtohaveamuchcloserlookatit”?(nomorethan20words)答案：Itwashisfirstsightofaneruption.Itwasthefirsttimeforhimtowatchthecrater.4. WhywasitdifficultforthewritertoWaIktowardstheedgeofthecrater?(nomorethan15words)答案:Theauthor

13、waswearingspecialprotectiveclothesthatmadeitdifficulttowalk.I11.阅读P3435的Reading部分，完成下列表格ThewritersjobTraveltounusualplacesandwork1.peoplefronallovertheworld.Helpprotectordinarypeoplefromthe2.Collectinformationfora3.aboutMountKilauea.HelpOtherscientiststo4.whereIavawillflownextandhowfast.Thefirstexpe

14、rienceThedayofthe5.Mybedbegan6.andIheardastrangesound.Mybedroombecameas7.asday.Redhotlava8.hundredsofmetresintotheair.Theday,aftertheeruptionTwootherscientistsandIweredrivenupthemountainanddroppedascloseaspossibletothe9.thathadbeenformedduringtheeruption.Wcslowly10.totheedgeofthecraterandlookeddowni

15、ntotheredboilingcentre.答案：1.alongside!.volcano3.database4.predict5.eruption6.shaking7.brightK.wasfountaining9.c11tcrl().madcourway课文深层理解I.读课文匹配段落大意1. Part1：Paras(12)A.Thereasonswhythewriterisenthusiasticabouthisjob.2. Bart2tParas(34)B.Whatthewritersjobisandtheimportanceofhisjob.3. Part3：Para(5)C.ThewritersexperienceofwatchingIhevolcanoeruption.答案：1.B2.C3.AH.阅读P3435的Reading部分，选择隹答案1 WhatdoesthewritermeanbyusingIuckywinthesentence“Iwasluckyenoughtohaveamuchcloserlookatit”？AHefeltmuchsaferonthetopwhiletheothertwoscientistsclimbeddownintoth