系列Thepowerofnature 微課-完整版課件

Unit5ThepowerofnatureSectionⅠWarmingUp&Reading一、課文大意填空

Thewritertoldustheimportanceofthejobasavolcanologist.Twentyyearsagohewas(1)___________asavolcanologist,collectinginformationfora(2)__________aboutMountKilauea.Hedescribedtheprocessofthe(3)___________tous.Hesaidthemostimportantthingaboutthejobofavolcanologistwastoprotectpeoplefrom(4)__________．a(chǎn)ppointeddatabaseeruptionvolcanoes二、根據(jù)課文內(nèi)容，選擇最佳答案1．Themainpurposeofthewriter'sjobis________.A．tocollecttheinformationaboutMountKilaueaB．tocollectandevaluatetheinformationaboutMountKilaueaC．tohelpotherscientiststopredictthetrendofthelavaD．tomeetlocalpeopleandtouristsC2．Whenwasthewriterappointedasavolcanologist?______A．Tenyearsago.B．Formorethantenyears.C．Lessthantwentyyears.D．Twentyyearsago.3．Whydoesthelavathatflowsslowlydownthemountiancausefarmoredamagethantheboilingrockthateruptsfromthevolcano?____A．Becauseitburieseverythinginitspath.B．BecausemostpeoplelivenearthetopofMountKilauea.C．Becauselavaisinahighertemperature.D．Becausepeoplecan'tleavethehouse.DA4．Wheredidthewriterhavehisfirstsightoftheeruption?___A．Thebedroom.B．ThetopoftheMountKilauea.C．Thebackgarden.D．Theoffice.5．Whywerethewriterandtwootherscientistsdrivenupthemountainthedayaftertheeruption?___A．Tosavethepeopleonthemountain.B．Toprotecttheplantsandanimalsonthemountain.C．Towatchthefantasticsight.D．Tocollectsomelavaforlaterstudy.CDTheimportanceofa volcanologist'sjob1.Helpotherscientiststopredictwherelavafromthevolcanowillflownextandhow(1)________．2．Savemanylivesbecausepeopleinthe(2)________ofthelavacanbewarnedtoleavetheirhomes.Thefirstsightofaneruption1.Suddenlymybedbeganshakingandmybedroombecameas(3)________asday.2.Therewasan(4)________fromthesideofthemountainandredhotlavawas(5)________hundredsofmetersintothe(6)________．Hisloveforhisjobandvolcanoes1.Today,IamjustasenthusiasticaboutmyjobasthedayIfirststarted.2．Iamstill(7)________atvolcanoes'beautyaswellastheir(8)________tocausegreatdamage.三、閱讀課文，然后完成下列表格fastpathbrighteruptionfountainingairamazedpotentialItshowsavolcanoerupting.它展示了一座火山的爆發(fā)。1．eruptvi.(指火山)爆發(fā)；突然發(fā)生典例It'smanyyearssinceMountVesuviuslasterupted.維蘇威火山上一次爆發(fā)至今已有很多年了。Violencehaseruptedonthestreet.大街上突然發(fā)生了暴亂。拓展eruptinto(＝burstinto)爆發(fā)成；發(fā)出運(yùn)用完成句子①Anactivevolcano________________(可能噴發(fā))atanytimeinthisarea.②Aregionalconflictwould________________(演變成)violentwarfare.coulderupteruptinto

Haveyoueverconsideredhowweakhumansarecomparedwithavolcano,hurricaneorearthquake？你是否想過與火山、颶風(fēng)或地震相比，人類是何等脆弱？2．comparedwith/to和……比起來典例Hishomeisapalacecomparedwith/toourpoorlittlehouse. 他家和我們貧窮的小房子相比簡直就是宮殿。

辨析comparedwith/compare...to.../compare...with...

(1)comparedwith/to意為“與……比起來”，在句中作狀語。如： Comparedwith/toClassOne'sclassroom,ClassTwo'sisspacious. 跟一班教室比起來，二班教室比較寬敞。(2)compare...to...意為“把……比喻成……”，側(cè)重指兩者間的相似點(diǎn)。如：Wecompareteacherstogardenersandstudentstoflowers.我們把老師比作園丁，把學(xué)生比作花朵。(3)compare...with...意為“把……與……作比較”，側(cè)重指兩者之間的區(qū)別。如：Nevercompareyouradvantageswithother'sshortcomings.切勿拿自己的優(yōu)點(diǎn)跟別人的缺點(diǎn)相比。運(yùn)用用上面所提供的辨析短語的適當(dāng)形式填空①He________________thegirl________________themooninthepoem.②________________him,youarelucky.③________________this________________thatone,paredtoComparedto/withComparewithItraveltounusualplacesandworkalongsidepeoplefromallovertheworld.我跑的是不同尋常的地方，和我一起工作的人來自世界各地。3．a(chǎn)longside解析(1)prep.在……旁邊；沿著……的邊Theboatpulledupalongsidethedock.那條船在碼頭旁?？?。(2)adv.在旁邊；沿著邊Thepolicecarpulledupalongside.那輛警車在旁邊停下。運(yùn)用完成句子①Themanstopped________________(在河邊)．②Heisthemasterofthecarstopped______________(在旁邊)．a(chǎn)longsidetheriveralongsideIwasappointedasavolcanologistworkingfortheHawaiianVolcanoObservatory(HVO)twentyyearsago.二十年前我被任命為在夏威夷火山觀測(cè)站工作的火山學(xué)家。4．a(chǎn)ppointvt.任命；委派典例Hewasappointedmayorofthecity.他被任命為市長。拓展appointsb.as...任命某人為……appointsb.todo指派某人做運(yùn)用完成句子They________________(任命他為)theirnewmanager.appointedhimas

Havingcollectedandevaluatedtheinformation,Ihelpotherscientiststopredictwherelavafromthevolcanowillflownextandhowfast.收集和評(píng)估這些信息之后，我就幫助其他科學(xué)家一起預(yù)測(cè)熔巖接著將往何處流，流速是多少。5．evaluatevt.評(píng)估；評(píng)價(jià)；估計(jì) 典例Let'sevaluatetheevidence. 讓我們?cè)u(píng)估一下此證據(jù)的價(jià)值。Theschoolhasonlybeenopenforsixmonths,soit'stooearlytoevaluateitssuccess.這所學(xué)校開辦才不過六個(gè)月，所以要對(duì)它的成績作出評(píng)價(jià)為時(shí)尚早。拓展evaluateone'sability評(píng)估某人的能力evaluatethevalue/qualityofsth.評(píng)估某物的價(jià)值/質(zhì)量運(yùn)用完成句子①Beforeyouappointherasyourassistant,you'dbetter________________(評(píng)估一下她的能力)．②It'stoolateto________________(評(píng)定結(jié)果)oftheexperiment.evaluateherabilityevaluatetheresult6．現(xiàn)在分詞的完成時(shí)作狀語

解析本句中的havingcollectedandevaluatedtheinformation是現(xiàn)在分詞的完成時(shí)作時(shí)間狀語，表明所表示的動(dòng)作發(fā)生在主句動(dòng)作之前，相當(dāng)于AsIhadcollectedandevaluated...。如： Havingfinishedthehomework,hewenttoplaybasketball.做完功課后，他去打籃球。運(yùn)用完成句子________________(等候了)foranhour,shemethersoninthatprisonfinally.Havingwaited

Unfortunately,wecannotmovetheirhomesoutoftheway,andmanyhouseshavebeencoveredwithlavaorburnedtotheground.遺憾的是，我們不可能把他們的家搬離巖漿流經(jīng)之路，因此許多房屋被熔巖淹沒，或者焚燒殆盡。7．outofthe/one'sway不擋道；不礙事；躲開 典例Pleasekeep/stayoutoftheway.請(qǐng)讓開。IfUncleTomhadbeendrinking,Ikeptoutofhisway.如果湯姆大叔一直在喝酒，我就躲開他。拓展intheway擋道；礙事onone's/theway在路上bytheway順便問/提一下bywayof經(jīng)過，途經(jīng)inaway在某種程度上innoway絕不運(yùn)用完成句子①Thesoldiernoddedslightly,andmoved________________(讓開)toletthemthrough.②Don'tstophere.It's________________(擋道)．outofthewayintheway8．burntotheground全部焚毀典例TheSunlightHotelhadbeenburnttotheground.陽光旅館被燒毀了。拓展burnup燒起來；燒得更旺；燒盡，燒毀burnaway逐漸燒完；燒光burnout燒光；燒毀burndown燒光；火力減弱burnoneselfout耗盡精力；精疲力竭

運(yùn)用完成句子 ①Thetallbuilding____________________(全部燒毀)asaresultofthebigfire.②Heputmorewoodonthefiretomakeit________________(燒得更旺)．wasburnttothegroundburnup

Thelavathatflowsslowlylikeawavedownthemountaincausesfarmoredamagebecauseitburieseverythinginitspathunderthemoltenrock.而順著山坡向下流的火山熔巖所造成的損失卻大得多，這是因?yàn)榛鹕饺蹘r流經(jīng)的地方，一切東西都被掩埋在熔巖下面了。9．wave解析(1)n.波浪；波濤Thewaveswerebeatingontheshore.波濤拍岸。(2)vi.波動(dòng)；飄動(dòng)；起伏；揮手Theflagwavedinthebreeze.旗幟在微風(fēng)中飄揚(yáng)。拓展waveaside對(duì)……置之不理；不理會(huì)wavegoodbyetosb.向某人揮手告別waveoff揮手告別wavedown揮手示意停下；揮手叫停運(yùn)用完成句子①Standingattheedgeofthecliffshecansee________________(波浪)crashingbelow.②MymotherwascryingasI________________(向……揮手告別)her.thewaveswavedgoodbyeto

Itwasnoteasytowalkinthesesuits,butweslowlymadeourwaytotheedgeofthecraterandlookeddownintothered,boilingcentre.穿著這些衣服走起路來實(shí)在不容易，但我們還是緩緩?fù)鹕娇诘倪吘壸呷ィ⑶蚁蛳驴吹搅思t紅的沸騰的中央。10．makeone'sw