冀教八下英语Unit 8《Lesson 4》课件

Lesson4Unit8Naturaldisasters1Howdangerouscannaturaldisastersbe?Discussingroups.2Readthepassageandwritetrue(T)orfalse(F).Typhoonsarestrongstormswithpowerfulwinds.TheyusuallyoccurintheWesternNorthPacific.Typhoonsformwhenwarmwaterfromtheoceanmeetsspecialwindpatterns.Typhoonscanbringheavyrainandhelpcooldownhotsummers.However,theycanbeverydangerousandcausealotofdamage.Duringatyphoon,windspeedscanreachupto252kilometresperhourorevenhigher.后置定语Thiscanleadtotreesfalling,buildingsgettingdamaged,andsomeareasflooding.长难句分析：本句主语是This；谓语为情态动词can+动词短语leadto；宾语是用and连接的三个并列的动名词复合结构treesfalling，buildingsgettingdamaged和someareasflooding，它们共同作leadto的宾语，说明导致的具体结果。其中trees,buildings,someareas分别是后面动名词falling,gettingdamaged,flooding的逻辑主语。Wildfiresarebig,out-of-controlfires.Theyhappeninnaturalplaceslikeforestsandgrasslands.Theycanbadlyhurtanimals,plants,andtheenvironment.Theyarealsodangeroustopeoplelivingnearby.In2023,Canadaexperiencedmanybigforestfires,affectinganareaofover60,000squarekilometres.affectv.影响effectn.影响Floodsarehugeamountsofwatercoveringanarea.Theyhappenwhenthere’stoomuchrainorwhenriversoverflow.Floodscanhurtalotofpeopleanddestroyfarms,buildings,androads.InChina,oneofthebiggestfloodswasthe1998ChangjiangRiverflood.ThePLAtroopsfoughtagainstthisterriblefloodandprotectedmillionsofpeoplefromdrowning.TheysuccessfullykeptmajorcitieslikeWuhansafe.ATyphoonsaresmallstormsthatoccurinsomepartsofAsia.()BWildfirescancausedamagetoanimals,plants,andtheenvironment.()CThe1998ChangjiangRiverfloodinChinaaffectedmajorcitieslikeWuhan.()FTT3Readthepassageagainandcompletethetable.NaturaldisasterExplanationCauseDamageTyphoonWildfirehumanactivities,lightning,etc.Flood4Whatshouldyoudowhenanaturaldisasterhappens?Thinkandmatchthetermswiththetips.DroughtTyphoonWildfireFloodEarthquakeCleardryleavesandreportanysmokeimmediately.Savewateranduseitwisely.Stayindoorsandsecureanythingthatcouldbeblownaway.Benddown,findacover,andholdontoprotectyourself.Movetohighergroundandneverplayorswiminthesewaters.v.扣紧；拴牢adj.安全的抓紧，不放开，还可意为“(电话用语)别挂断，等一下；(在困境中)挺住”5Writeapassageaboutacommonnaturaldisaster.Thefollowingquestionsmayhelpyou:AWhatisthisnaturaldisaster?BWhatcausesit?CWhatareitsdangers?DHowshouldyourespondifithappensnearby?1damage/'dæmɪdʒ/v.&n.损害；毁坏(教材P106)·Theheavyraindamagedmanycropsinthefield.暴雨毁坏了田里的许多庄稼。·Thestormcausedseriousdamagetothecoastalvillage.暴风雨给这个沿海村庄造成了严重损害。探究一核心单词damage一词多义(1)

作动词时，意为“损害；毁坏”，为及物动词，直接接宾语。(2)

作名词时，意为“损害；毁坏；损失”，为不可数名词。常见搭配：causedamageto...对……造成损害sufferdamage遭受损失repairthedamage修复损害2badly/'bædli/adv.严重地；非常(教材P106)·Thecarwasbadlydamagedinthetrafficaccident.这辆车在交通事故中受损严重。·Shewantstojointheschoolteambadly.她非常想加入校队。badly一词多义：(1)表“程度严重”：用于修饰动词、过去分词。(2)

表“迫切地”：相当于“verymuch”，常用于want/need等动词后。相关词汇：比较级worse更糟地最高级worst最糟地badadj.坏的3amount/ə'maʊnt/n.数量；数额(教材P106)·Alargeamountofwateriswastedeveryday.每天都有大量的水被浪费。·Shespentasmallamountofmoneyonthenewbook.她买这本新书花了少量的钱。·Hespenttheleastamountoftimepreparingfortheexam.他花最少的时间备考。amount名词，意为“量；数量”，theamountof……的数量，后面接不可数名词，作主语时，谓语动词要使用单数形式。常见搭配：alarge/greatamountof大量的asmallamountof少量的theleastamountof数量最少的4successfully/sək'sesfəli/adv.成功地(教材P106)·Theysuccessfullyfinishedtheprojectbeforethedeadline.他们在截止日期前成功完成了项目。·Ihavesuccessinpassingmyexam.=Ihavesucceededinpassingtheexam.=I’msuccessfulinpassingtheexam.=Isuccessfullypassedtheexam.我成功地通过了考试。辨析：success,succeed,successful与successfullysuccess名词“成功；成就”,是不可数名词，其反义词为failure“失败”；作“成功的事”讲时是可数名词。succeed动词“成功”，succeedindoingsth.意为“成功做某事”。其反义词为fail“失败”。successful形容词“成功的”，由名词success+-ful构成的形容词，besuccessfulin

doingsth.。successfully副词成功地，由形容词successful+-ly构成的副词。一语辨异:Thoughhehadfailedthreetimesinthebusinessplan,histeamfinallysucceededinimprovingit—thissuccessfulrevisionnotonlybroughtthemgreatsuccess,butalsoprovedtheycouldcompletethetasksuccessfully.尽管他的商业计划失败了三次，但团队最终成功改进了它——这次成功的修订不仅为他们带来了巨大的成功，也证明了他们能成功完成任务。1cooldown冷却(教材P106)·Afterexercising,it’simportanttocooldownbystretching.运动后，通过拉伸来降温很重要。·Thehotsoupneedstocooldownbeforeyoucaneatit.热汤需要冷却后才能喝。探究二核心短语cooldown(使)温度降低；冷静下来，既可以指物体降温，也可以指人情绪平复。同义短语：calmdown，侧重情绪冷静。与down相关的短语：cutdown砍倒；削减turndown调小(音量)；拒绝writedown写下；记下breakdown(机器)出故障2reachupto高达(教材P106)·Thepriceofthenewphonecanreachupto8,000yuan.这款新手机的价格可高达8000元。·Themountainreachesupto3,000metersinheight.这座山高达3000米。reachupto后接具体数字，表示数量、高度、价格等达到某个最大值，相当于“upto”。3fightagainst与……作斗争(教材P106)·Weshouldfightagainstpollutiontoprotecttheenvironment.我们应与污染作斗争来保护环境。·Thedoctorsarefightingagainstthediseasedayandnight.医生们日夜与疾病作斗争。·Hefoughtwithhisfriendstodefendtheirschool.他和朋友们一起并肩保卫学校。fight常用短语：fightfor后接抽象名词，意为“为(事业、自由、真理、权利等)而斗争/战斗”fightagainst后接名词，意为“同……做斗争”fightwith“与………一起对抗”，接表示人或国家的名词；也可意为“和……争吵”fightover意为“为……而争吵/争斗”Typhoonsformwhenwarmwaterfromth