高一新人教版必修一 Unit4 Natural Disasters 單元知識解析與練習(xí)

PAGEPAGE10Unit4NaturalDisasters單元知識解析與練習(xí)part1重點(diǎn)單詞一、根據(jù)漢語提示寫單詞。n.災(zāi)難；災(zāi)害n.早災(zāi)；久早vi.&vt.(使)滑行；滑動(dòng)n.洪水；大量 vi.淹沒；大量涌入 vt.使灌滿水；淹沒n.&vt.營救；救援vt.n.損壞；損失vi.生存；存活 vt.幸；艱難度過vt.推毀；毀滅n.死；死亡vt.影響；()侵襲；深深打動(dòng)n.避難處；居所；庇護(hù)vt.保護(hù)；掩蔽 vi.躲避風(fēng)雨或危)vt.破壞；毀壞in 嚴(yán)重受損；破敗不堪n.百分之 每一百中n.磚；磚塊n.金屬n.震驚；令人震驚的事；休克vt.(；n.電；電能vt.險(xiǎn)境；陷阱vt.埋葬；安葬vi&vt.呼吸n.努力；艱難的嘗試；盡力n.上下文；語境；背景vt.vi.()受苦n.火山vi.&vt.(火山)爆發(fā)；(巖漿、煙等〕噴出n.補(bǔ)給品；供(量)；補(bǔ)給 vt..供應(yīng)；供給n.合風(fēng)n.(颶風(fēng)n.電力供應(yīng)；能量；力量；控制力【答案】1.disaster 2.drought 3.slide4.flood 6.rescue 7.damage 8.survive 9.destroy10.death 11.affect12.shelter13.ruin 14.ruins 15.percent16.brick 17.metal 18.19.electricity20.trap21.bury 22.breathe23.effort 24.wisdom 25.context 26.suffer27.volcano 28.erupt 29.supply30.typhoon31hurricane 32power二、根據(jù)漢語提示寫出句中所缺單詞的正確形式。Aftertheearthquake,manythingshavebeentransportedbycartothis 災(zāi)難area.Outofsympathyforthehomelesschildren,hegavethem 避難處)fornight.Ineedadetailed reportaboutthataccidentnotjusta 概要).Witnessesto （碰撞）saytheysawanexplosionjustbeforethedisaster.Iaskedsomeoneelsetorepairthetap.Ihadthe （水龍頭）repaired.【答案】disaster2.shelter3.summary4.crash5.tappart2重點(diǎn)短語一、請將下列短語翻譯成英語?；鹕絿姲l(fā)似乎；好像；仿佛嚴(yán)重受損；破敗不堪震驚；吃驚露天；在戶外急救箱(8.消除；徹底消除1.heopenair 6.firstaidkit 7.onhand 8.sweepaway二、根據(jù)漢語提示完成英文句子。Hestood breathingfreshair.Allthebuildingswere ()aftertheflood.Heconstantly 遭受)lackofpreparation.Theoldmanwhowasinjuredinthefloodshouldbegiven (助).Suddenly,heburstintotear, )hehadheardabadnews.【答案】1.intheopenair2.inruins3.sufferedfrom4.firstaid5.asifpart3課文復(fù)述復(fù)述課文THENIGHTTHEEARTHDIDN'TSLEEPStrangethingswerehappeninginthecountrysideofnortheasternHebei.Forseveraldays,thewaterinthevillagewellsroseand1.,roseandfell.Thereweredeep2.thatappearedinthewellwalls.Chickensandevenpigsweretoo3. toeat,anddogs4.togobuildings.Miceranoutofthefieldslookingforplacestohide,andfishjumpedoutofthewater.Atabout3:00amon28July1976,bright5. wereseeninthesky.At3:42am,everythingbeganto6. .Itseemedasiftheworldwerecomingtoanend.Hardhillsofrockbecameriversofdirt.Inlessthanoneminute,alargecitylayin7. .thirdsofthepeoplewholivedthereweredeador8..Thousandsofchildrenwereleftwithoutparents.Anumberofpeoplewhowerekilledorbadlyinjuredinthequakewasmorethan400,000.9.coveredthegroundlikeredautumn10 ,butnowindcouldblowthemaway.Mostbridgeshadfallenorwerenotsafetocross.Tensofthousandsofpigs,andmillionsofchickensweredead.Sandnowfilledthewellsinsteadofwater.Peoplewereinshock.Evenmorebuildingsfell11. .Water,food,andelectricitywerehardtoget.Peoplebeganto12. howlongthedisasterwouldlast.Buthopewasnotlost.Soonafterthequakes,thearmysent150,000soldierstoTangshanto13.thosewhowere14. andto15. thedead.Morethan10,000doctorsandnursescameto16.medicalcareworkersbuiltsheltersfor17. whosehomeshadbeendestroyed,Hundredsofthousandsofpeoplewerehelped,Waterandfoodwerebroughtintothecitybytrain,truck,andplane.Slowly,Thecitybeganto18. itselfandgetuponitsfeetagain.Withstrong19. thegovernmentandthetirelesseffortsofthecity's'people,anewTangshanwasbuiltinearthquakeruins.Thenewcityhasbecomeahometomorethansevenmillionpeople.Greatimprovementsin ,industry,andenvironment.Tangshancityhasprovedtoandtherestoftheworldthatintimesofdisaster,peoplemustunifyandshowwisdomtostaypositiveandrebuildforabrighterfuture.【答案】1.felllights6.shake7.ruins8.injured9.Bricks10.leaves11.down12.wonder

2.cracks3.nervous4.refused5.13.digvide17.survivors18.revive19.support20.transportationpart4課文講解（一）disaster例句ShewasinMexicoCitywhenthedisaster即學(xué)活用暴風(fēng)雪給成千上萬的人帶來了災(zāi)難。Thesnowstorm thousandsofpeople.【答案】broughtdisastertoslidevi.&vt.（使）例句作為及物動(dòng)詞Heslidhisglassacrossthetabletop.他將玻璃杯滑過桌面。作為不及物單詞Thepackagesslidfromherarms.包裹從她胳膊上滑落下來。拓展landsliden.（山地或懸崖的）崩塌；滑坡slide的過去式為slid,過去分詞為slid。即學(xué)活用用slide的適當(dāng)形式填空。Aboat throughthewater.(slide)We downthegrassyslope.(slide)【答案】1.slides2.slidflood洪水；大量vi.淹沒；大量涌入vt.例句作為名詞Herchildwaswashedawayintheflood.她的孩子讓洪水給沖走了。作為及物動(dòng)詞Everyspringtheriverfloodsthevalley.每年春天,河水都要淹沒這個(gè)流域。作為不及物動(dòng)詞Duringspringrainstheriver即學(xué)活用地震和洪水都是自然災(zāi)害（翻譯句子）【答案】Anearthquakeandafloodarenaturaldisasters.rescue例句作為名詞Rescueworkersrushedtothesiteoftheplanecrash.搶救人員沖向飛機(jī)墜毀的現(xiàn)場。作為及物動(dòng)詞Theyrescuedthechild.他們救出了那個(gè)小孩。即學(xué)活用根據(jù)漢語意思完成句子。她帶來了經(jīng)過訓(xùn)練的牧羊犬幫助營救。Shehadbroughthertrainedsheepdog .【答案】tohelpintherescuedamagen.例句作為名詞Thecattlebrokeintothewheatfieldanddidmuchdamage.牛群闖進(jìn)麥田,毀了不少莊稼。作為及物動(dòng)詞Afirehasdamagedtheschoolhouses.一場大火毀壞了學(xué)校的房子。拓展damage和destroy詞義辨析1.destroy,damage2.destroydamage可以修復(fù)。3.在造成破壞的原因上,destroy多指不可抵抗的外界力量,而damage則常指因人的過失。即學(xué)活用用damage或destroy填空。1.Theflood manyhousesandthepeoplebecomehomeless.2.Hiscarsufferedslight intheaccident.【答案1.destroyed 2.damage6.survivevi.生存；存活vt.幸存；艱難度例句作為及物動(dòng)詞Shesurvivedanearthquake.她在地震后幸存。作為不及物動(dòng)詞Wecannotsurviveforlongwithoutfoodanddrink.我們沒有食物和飲料就活不了多久。拓展survivorn.幸存者；生還者即學(xué)活用用survive的適當(dāng)形式填空。Ofthesixpeopleinjuredinthecrash,onlytwo .(survive)Hewasluckyenoughtosurviveintheaccident,whowasthe (survive).【答案1.survived 2.survivor7.sheltern.避難處；居所；庇護(hù)vt.保護(hù)；掩蔽vi.躲避（風(fēng)雨或危險(xiǎn)）作為名詞Treesareashelterfromthesun.樹木可以遮擋陽光。作為及物動(dòng)詞Heshelteredhimselfbehindatree.他躲在樹后面。作為不及物動(dòng)詞Wetookshelterfromtherainina拓展shelterfrom免受；保護(hù)sheltersbfromsth保護(hù)某人免受……；躲避（風(fēng)雨等即學(xué)活用根據(jù)括號中的漢語意思填空。Youcan't （庇護(hù)你弟弟免受責(zé)備）intheaccident.【答案】shelteryourbrotherfromblamepart5課文講解（二）8.asif8.asif似乎；好像；仿佛例句Itlookedasiftherewouldbeanexcitingrace.看來要有一場激動(dòng)人心的比賽。拓展拓展asif的用法look,seem等系動(dòng)詞后引導(dǎo)表語從句。引導(dǎo)方式狀語從句。asifasifasif后就只剩下名詞、不定式、形容詞（短語、介詞短語或分詞。asif從句的語氣及時(shí)態(tài)asif存在的事實(shí)時(shí)。asif生或存在的情況時(shí)。從句虛擬語氣動(dòng)詞時(shí)態(tài)的形式如下：如果從句表示與現(xiàn)在事實(shí)相反，謂語動(dòng)詞用一般過去時(shí)?！癶ad?！皐ould／could／might”。即學(xué)活用Whathesaidwasheartbroken.Ifelt aknifewerestickingintomyheart.A.evenifB.asifC.asD.aswellBevenif“使”；as好像”；as“”；aswell“也B。ruinn.&vt.破壞；毀壞作為名詞Thestormruinedourwheatcrop.暴風(fēng)雨毀壞了我們的小麥。作為及物動(dòng)詞Thebadweatherruinedourtrip.惡劣的天氣破壞了我們的旅行。拓展inruins嚴(yán)重受損；破敗不堪即學(xué)活用根據(jù)所給詞的適當(dāng)形式填空。Infifteenterriblesecondsalargecitylayin .(ruin)【答案】ruinsshockn.震驚；令人震驚的事；休克vt.(使例句作為名詞Thelittleboywasspeechlesswithshock那小男孩驚得說不出話來。作為及物動(dòng)詞Iwasshockedatthenewsofherdeath.我聽到她去世的消息十分震驚。拓展inshock震驚；吃驚即學(xué)活用用shock的適當(dāng)形式填空Yourteacher'sviewsonthepoliticalsituationare tome.Allofuswere bywhatshedid.【答案1.shocking 2.shocked11.11.trapvt.使落入險(xiǎn)境；使陷入圈套 n.險(xiǎn)境；陷阱例句作為及物動(dòng)詞Helivesbytrappinganimals.他靠捕獵動(dòng)物為生。作為名詞Thepolicesetatraptocatchthe拓展trap和catch的辨析這兩個(gè)詞都表示“抓住”。其區(qū)別是：catch,;trap用陷阱或圈套去捕捉。即學(xué)活用獵手們用陷阱捕捉那只熊。【答案】Hunterstrappedthebear.12.breathevi.&vt.呼吸例句作為及物動(dòng)詞Webreatheairallthetime.我們不停地呼吸。作為不及物動(dòng)詞Hisheartbeatsothathecouldhardly拓展breath n.breathein吸氣breatheout呼氣即學(xué)活用用breathe的適當(dāng)形式填空。1.She （breathe）indeeplyjustnow.2.Itookaquick （breathe）anddiveddownagain.【答案1.breathed 2.breath13.revivevt.&vi.復(fù)活；(使)蘇醒例句作為及物動(dòng)詞Herevivedafterarestandsomefood.經(jīng)過休息并吃了一點(diǎn)食物之后,他恢復(fù)了體力。作為不及物動(dòng)詞Thefreshairsoonrevived拓展revival n.即學(xué)活用用revive的適當(dāng)?shù)男问教羁?。Theeconomybegins （revive）.Thereareencouragingsignsofanartistic （revive）.【答案1.torevive 2.revival14.14.unifyvi.&vt.（使）成一體例句EnglandandScotlanddonothaveaunifiedlegal即學(xué)活用翻譯句子。新領(lǐng)袖希望把國家統(tǒng)一起來。【答案】Thenewleaderhopestounifythecountry.15.15.wisdomn.智慧；才智例句11Idoubtthewisdomofhisconduct.我懷疑他的行為是否明智。即學(xué)活用我們隨著年齡增長而更加明智。Wegrowin （明智）aswegrowolder.【答案】wisdom16.suffervt遭受；蒙受vi（因疾病，痛苦悲傷等例句作為及物動(dòng)詞Shesufferedmultipleinjuriesinthecaraccident.她在車禍中多處受傷。作為不及物動(dòng)詞sufferfrom因……而受罰Menareborntosufferfrom因……而受罰sufferfor受……苦痛，患……病即學(xué)活用翻譯句子。這些天他在患重感冒。(sufferfrom)【答案】Heissufferingfromthebadcoldthesedays.Part6單元語法定語從句【語法感知】Thisisabookthatinterestsalargenumberofpeople.這是一本使許多人感興趣的書。ThefishwhichIboughtthismorningwerenotfresh.我今天早上買的魚不新鮮。TheexpertwhovisitedourclassyesterdayisfromCanada.大人?！菊Z法精講】定語從句（一）一、定語從句的概念、位置及構(gòu)成PAGEPAGE17概念：引導(dǎo)定語從句的詞叫做關(guān)系詞。關(guān)系詞常有3個(gè)作用:①連接作用，連接主句和定語從句。②指代先行詞。③在定語從句中擔(dān)當(dāng)成分。位置：()之后。關(guān)系詞先行詞從句成分 例句who人主語;賓語 I關(guān)系詞先行詞從句成分 例句who人主語;賓語 Iknowthegirlwhoiscrying.whom人賓語Imettheboywithwhomyoutalked.關(guān)系代詞whose人，物定語Theladywhosehusbandworksabroadismyaunt.that人，物主語;賓語 Ilikethepenthatyougavetome.Thefilmwhichwasshownlastnightwasagreatwhich 物 主語;賓語success.關(guān)系代詞所代替的先行詞是人或物的名詞或代詞，并在句中充當(dāng)主語、賓語、定語等成分。關(guān)系代詞在定語從句中作主語時(shí)，從句謂語動(dòng)詞的人稱和數(shù)要和先行詞保持一致。who,whom,that這些關(guān)系代詞的先行詞是人的名詞或代詞，在從句中作主語或者賓語。例如：Ishethemanwho/thatwantstoseeyou?他就是你想見的人嗎？（who/that在從句中作主語Heisthemanwhom/thatIsawyesterday.他就是我昨天見的那個(gè)人（whom/that在從句中作賓語）whose用來指人或物（用作定語，若指物，它還可以同ofwhich互換。例如：Theyrushedovertohelpthemanwhosecarhadbrokendown.忙。Pleasepassmethebookwhose（ofwhich）coverisgreen.3.whichthatAprosperitywhich/thathadneverbeenseenbeforeappearsinthecountryside.農(nóng)村出現(xiàn)了前所（which/that在從句中作賓語）Thepackage（which/that）youarecarryingisabouttocomeunwrapped. 你拿的包快散了。（which/that在句中作賓語注意whichthat的情況引導(dǎo)非限定性定語從句時(shí)。例如：（錯(cuò)）Thetree,thatisfourhundredyearsold,isfamoushere.（對）Thetree,whichisfourhundredyearsold,isfamoushere.whichthat。例如：Wedependonthelandfromwhichwegetourfood.Wedependonthelandthat/whichwegetourfoodfrom.我們依賴土地獲得食物。thatwhich的情況當(dāng)不定代詞（anything,nothing,theone,all,much,few,any,little等）thatwhich；theonly,theverythat；先行詞為序數(shù)詞、數(shù)詞、形容詞最高級時(shí)，只用that；先行詞既有人，又有物時(shí)。例如：Allthatisneededisasupplyofoil.所需的只是供油問題。Finally,thethiefhandedeverythingthathehadstolentothepolice.那個(gè)小偷最終把偷的全部東西交給了警察。拓展as的用法當(dāng)thesame與名詞連用時(shí)，通常用as引導(dǎo)定語從句，例如：Ihadthesameproblemasyouhadlastyear.我遇到了和你去年一樣的問題。thesame...asthesame...that與……",不是同一個(gè);同一個(gè),:ThisisthesamebookasIlostlast()ThisisthesamebookthatIlostlast同一本書)即學(xué)活用Heistheonlyoneofthestudentswho awinnerofscholarshipforthreeyears.A.is B.are C.havebeen D.hasbeenDtheonlyoneofthestudentstheonlyD?！緦?shí)戰(zhàn)演練】Nearlyallthestreetsareinstraightlines, fromeasttowest.Those fromnorthtosoutharecalledavenues.A.running;that B.run;who C.running;who D.run;thatThisisthecase he’shadallhismoneystolen.A.when B.where C.that D.onwhichMr.SmithwillpayavisittoBeijingthisautumn, wewillenjoy theGamesin2008. A.where B.when C.which D.howTheartistwillnotpaintpeopleoranimalsbuthewillpaintanything .A.thatthelittlegirlaskshim B.thelittlegirlaskshimtoC.forthelittlegirltoaskhim D.whatthelittlegirlaskshim—Howdidyougetintouchwiththetravelagent,Robin?—Oh,that’seasy.IsurfedtheInternetandthencalledone thetelephonenumberisprovided.A.which B.inwhich C.ofwhich D.whose【答案解析】Arun(延伸)Thosewhothat來引導(dǎo)定語從句。故選A。Bwhere“”inwhichB。ABeijingthisautumnwhereA.BBthatpaintB。Cofwhichofwhichthetelephonenumberwhosetelephonenumber。故選C。Part7單元寫作詞句模板新聞報(bào)道常用句型Icannotentirelyagreewiththeideathat………Myargumentforthisviewgoesasfollows.我對這個(gè)問題的看法如下。Alongwiththedevelopmentof…,moreand…………Thereisalong-runningdebateastowhether...……有著個(gè)長期的辯論。Aiscompletely/totally/entirelydifferentfromB.B完全不同。典例展示(Thethrow-awaysociety)”，即什么東西都用完即扔的社會。請你就此用英文給報(bào)社編輯寫封信，內(nèi)容包括：自己的看法；舉例陳述理由；注意：詞數(shù)100左右（開頭已為你寫好，不計(jì)入總詞數(shù)；Deareditor,I'm writing to express my opinion.Ireallyhopeourmediacantaketheresponsibilitytoconveytheconcerntoeveryone.Thankyou.Yours,LiHuaOnepossibleversion:Deareditor,I'mwritingtoexpressmyopinion.I'mafraidthatthereportisawarmingbecauseeverythingthatweuseinvolvesthrowingsomethingaway.Everyoneisfocusedonwhat'snew,hotorbetter.Forexample,weoftenabandonourcellphonesaftermaybejusttwoyearsandthenwebuyanewonethroughtheyarestillingoodcondition.What'sworse,almosteveryday,afteropeninganewpackageorafoodproduct,thereisalwaysaprotectivewrappertothrowaway.Ithinkitisahugewaste.Therearenumerouswaystopreventthat,suchassimplifyingpacking,recyclingmoredifferentvarietiesofproductsandmakingfulluseofeverything.Ireallyhopeourmediacantaketheresponsibilitytoconveytheconcerntoeveryone.Thankyou.Yours,LiHuaPart8單元過關(guān)測試題一、單句語法填空。LiMing, gotmarriedlastyear,istogoabroadsoon.Thereisanetbararoundhere, Iremember.ThenhemetMary, invitedhimtoaparty.Someexpertsthinkreadingisthefundamentalskillupon schooleducationdepends.Thefactory wevisitedlastmonthhasbeenrebuilt.HowcanIforgettheday Ifirstsawhim?Thenumberofsmokers, isreported,hasdroppedby17percentinjustoneyear.Thefirstbook helentmewaswrittenbyMarkTwain.ItiscertainthatMr.Blackwillsupportyourplan,forhealwaysagrees whateveryousay.Thiskindofnewmachineis trialbeforetheyareputintothemarket.【答案1.who 2.as 3.who 4.which 5.that6.when 7.as 8.that 9.with 10.on二、單句改錯(cuò)。Eventhoughsomeofmyclassmateshavefailedinseveralexams,theyhaveneverlosthearts.Thebooksonthedesk,coversofwhichareshiny,areprizesforus.Badhabitsarenoteasytoberemove,foritneedsyourdetermination.Mr.Greenmadeuphismindtodevoteallhehadtohelpthoseinneed.Itisobviousthatheisnotequalinthejob.Thisismypairofglasses,withoutthemIcan'tseeclearly.Theygavemoneytotheoldpeople'shomeeitherpersonalorthroughtheircompanies.OnlybypracticingafewhourseverydayyoubeabletomasterEnglish.Theyear1949seesthefoundationofthePeople'sRepublicofChina.Nowweareinapositionthatwehavetoacceptwearewrong.【答案】hearts—heartcoversthebehelp—helpingin—tothem—whichpersonal—personallyyouwillsees—sawthat—where三、根據(jù)漢語提示寫出句中所缺單詞的正確形式。Theoldcouplewereatlast 救援bythelocalpeople.Thespaceshipwas 破壞becauseofacrash.Hewasluckyenoughtosurviveintheaccident,whowasthe 幸免).Everywheretheylooked,nearlyeverythingwas (毀滅).Thepoormanstarvedto ().【答案1.rescued 2.damaged 3.survivor 4.destroyed 5.death四、閱讀理解。閱讀下列短文，從每題所給的A、B、C和D四個(gè)選項(xiàng)中，選出最佳選項(xiàng)。Ifthecrust外殼oftheearthwerenotprettysolid堅(jiān)固的itwouldbeshakingaboutandmovingupanddownfrequently.However,thereareplacesintherocksoftheearth'scrustwhereitisn'tstronglyheldtogether—wherefaultsexist.Alongthefaults,onerockmightpushagainstanotherwithgreatforce.Theenergyischangedtovibrationintherocks,sotheybegintoshakeandwehaveanearthquake!ThemostfamousoneinNorthAmericawastheSanFranciscoearthquakeof1906.Sevenhundredpeoplediedandproperty財(cái)產(chǎn)damageamountedtoabout$425,000,000.Thegreatestdestructioncamefromthefiresthatfollowedthequake.OneofthemostfamousearthquakesinEuropetookplaceinLisbon,Portugal,in1755.Thecitywasdestroyedandatleastthirtythousandpeoplewerekilled.In1908,inCalabriaandSicily,aquakekilledaboutseventy-fivethousandpeople.In1915,incentralItaly,hundredsoftownsandvillagesweredamagedandthirtythousandpeoplewerekilled.TwogreatearthquakesthatcausedgreatdamageinAsiatookplaceinTokyo,Japan,andinGansuProvinceinChina.TheTokyoquakeof1923killedmorethanonehundredthousandpeopleanddestroyedthecityandthecityofYokohama,too.TheChinesequakein1920coveredmorethanthreehundredsquaremilesandkilledabouttwohundredthousandpeople.Thefirstparagraphmainlytellsus .A.whereearthquakeshappen B.howearthquakeshappenC.thedamagecausedbyearthquakes D.famousearthquakesintheworld2.Theunderlinedword“vibration”inthefirstparagraphprobablymeans“ A.shaking B.force C.energy D.losingWhichofthefollowingearthquakeskilledthemostpeople?A.TheSanFranciscoearthquake. B.TheearthquakeinLisbon,Portugal.C.TheearthquakeinCalabriaandSicily. D.TheearthquakeincentralItaly.18PAGEPAGE26Accordingtothepassage,wecanlearnthat .theearth'scrustinEuropeisweakerthanthatinotherplacestherewere75,000peoplekilledintheSanFranciscoearthquakethecityofYokohamawasnotgreatlyinfluencedbytheTokyoquakethefiresfollowingtheSanFranciscoearthquakecausedmoredamagethantheearthquakedid【語篇解讀】本文是一篇說明文，介紹了地震起因及歷史上幾次大地震?！敬鸢附馕觥緽查段落大意。通讀第一段可知，本段介紹了地震的起因。故選B。Avibration意為晃動(dòng)”A。C“…inCalabriaandSicilyaquakekilledaboutseventy-fivethousandpeople.”可知，故選C。D“Thegreatestdestructioncamefromthefiresthatfollowedthequake.”可知，故選D。五、七選五閱讀。FloodsareoneofthemostcommondisastersintheUS.Somefloodsdevelopslowly.Butflashfloods(暴洪)candevelopquickly,sometimesinjustafewminutesandwithoutanysignsofrain. Itcarriesrocksandcansweepawaymostthingsinitspath.⒈Ifafloodislikelyinyourarea,youshould:Listentothe/