新概念二册Lesson62((共32张PPT)

droughtTheGlobalWarmingELNinophenomenonFloodEarthquakeTsunamiVolcanoEruptionAvalancheTornadohurricane/typhoonlightningForestFireForestfiresareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.FiremenonceputoutabigforestfireinCaliforniaandaccidentallydiscoveredthattheforestfirewasactuallycausedby______________?ahotsnakeWhatshouldpeopledoafterthefireifallthetalltreeshavebeenburntdown?controln控制smoken烟desolateadj荒凉的threatenv威胁的surroundingadj周围的destructionn破坏，毁灭floodn洪水，水灾authorityn（常用复数）当局grass-seedn草籽sprayv喷撒quantityn量rootn根centuryn世纪patchn小片blackenv变黑，发暗ListeningPracticeAnswerthequestionWhatwasthedangertothevillageafterthefire?Thatwinterrainwouldnotonlywashthesoilawaybutwouldcauseseriousfloodsaswell.ListeningPractice1.Whatkindoffirewasit?Aforestfire.2.Didfiremangetitundercontrol?Yes,theydid.3.Howlonghadtheybeenfightingit?Forthreeweeks.4.Whathadcoveredthecountrysideashorttimebefore?Greattreeshad.5.Howdidthehillslooknow?before?Desolate.coveredwithgreattrees.6.Whatstillrosefromit?Smoke.7.Whatwastheseasonafterthefire?Fall/Autumn.Winterwascomingon.8.Whywerethesurroundingvillagesthreatenedwithdestruction?Forheavyrainwouldnotonly…but…aswell.9.Whydidtheforestauthoritiesorderseveraltonsofgrass-seed?Toholdthesoilandwater.10.Whatwasspecialaboutit?Itwouldgrowquickly.11.What’sthebestwaytoprotectthesoilfrombeingwashedaway?Plantmoretrees,saveandrecyclepaper,neverusedisposable/one-timechopsticksSkimfortheMainIdeaAbigfire_________theforestandthesurroundingvillageswere_________becauseheavyrainwouldwashthesoilawayand_____seriousfloods.Theforest________hadgrassplanted________greattrees.destroyedthreatenedcauseinplaceofdestructiondestroyauthorities•P287ComprehensionListeningPracticeFiremenhadbeenfightingtheforestfornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturiespatchesofgreenhadbeguntoappearintheblackenedsoil.Whatcanwedotopreventman-madeforestfire?•Tombsweepingfire•Cigaretteends•Brokenglass•Campfire•Call1191.control[kən'trəul]n.控制beincontrolofsth.指挥，管理或控制……(=inchargeof)bring/getsthundercontrol控制住beundercontrol在控制之中Be/getoutofcontrol失去控制Whoisincontroloftheplan?Don’tworry.Everythingisundercontrol.Thechildrenwereoutofcontrol.desolate['desələt,'desəleit]adj.荒凉的v.[desəleit]使……沦为废墟，使……悲伤绝望（尤用于被动语态)desolation[u]n.荒凉，破坏；凄凉desolatelyadv.荒凉地acitydesolatedbycivilwar因内战而荒凉的城市adesolatehill荒凉的小山threaten['θretən]v.威胁threatensb.with…以……恐吓（人）threatentodosth.恐吓说要…/（坏事）迫近threatn.恐吓，威胁Therobberthreatenedmewithagun.Hethreatenedtomakethephotopublic.Thecloudstheatentosnow.Atyphoonwasthreatening.surrounding[sə'raundiŋ]adj.周围的surroundv.围绕，包围，围住surroundings(pl.)n周围的条件等，环境Heliketosurroundhimselfwithbeauties.Noonecanavoidbeinginfluencedbysurroundings.Beinjingandthesurroundingcountryside北京及其近郊destruction[di'strʌkʃən]n.[u]破坏，毁灭destructiveadj毁灭性的adestructiveearthquake毁灭性的地震Thestormcausedgreatdestruction.quantity['kwɔntəti]n.量1）n.quantityandquality重量和质量2）n.数目，数量[c][u]alargequantity(of)大量的（可修饰可数名词、不可数名词，謂語動詞和名詞保持一致）quantitiesof+[c][u]谓语用复数Quantitiesoffoodwereonthetableinlargequantities大量的insmallquantities少量的Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Theydidn’twalkfarbeforetheymetMr.Lin.Itwastwoyearsbeforewemetagain.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Iwascookinginthekitchenwhensomeoneknockedatthedoor.Hewaswalkingonthestreetwhensomeonepattedhimontheshoulder.Firemenhadbeenfightingtheforestfornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.Specialdifficulties1.Firemen-forestfire-threeweeksbefore-undercontrol2,before-treescovered-formiles3,Winter-hillsthreatened-rain-washawaysoil-floodsaswell4,atlast-putout-forestauthorities-severaltons-grassseed-quickly5,sprayed-hugequantities-aeroplanes6,planting-amont