冀教八下英语Unit 1《Lesson 1》课件

Lesson1Unit1Springiscoming!1Watchthevideo.Putthepicturesinthecorrectorder.2Listentotheconversationandticktheitemsmentioned.MsLiu:Goodmorning,everyone!Whoisonweatherdutytoday?WangMei:It’sme!TodayisMonday,March1.Thetemperaturewillreach15℃bynoonanddropto2℃atnight.Overall,itwillbeawarm,cloudyday.dropto+具体数值，表示“下降到……；降至……”adv.一般来说；大致上；总体上MsLiu:Welldone,WangMei.Thedaysaregettinglonger,andspringiscoming.WehaveaschoolprojectonMarch12.Canyouguesswhatitis?LiMing:Ithinkit’splantingtrees!MsLiu:Goodguess.Doyouknowhowtoplanttrees?LiMing:Yes.IlearnedtoplanttreeswhenIvisitedmyunclelastspring.Itwassomuchfun.MsLiu:Couldyoutellusthestepsforplantingtrees?LiMing:Sure.First,digalargehole.Then,placetheseedlinginsidethehole,andcoveritsrootswithsoil.Finally,pressdownthesoil.Oh,don’tforgettowaterthetree.v.给……浇水；灌溉n.水MsLiu:Excellent,LiMing.Whydopeopleplanttrees?Doyouhaveanyideas?SongHua:Treeshelpprotectthesoilfromrainfall.LiLin:Treespreventdustfromspreading.MsLiu:Goodpoints.Plantingtreesisalsoawonderfulwaytolearnmoreaboutnature.Ibelieveyouwillhaveagreattimewiththisproject.近义词有great，wonderful，good，fine等。=enjoyoneself=havefun，表示“玩得开心；过得愉快”。□stepstoplanttrees□weather□awaytolearnaboutnature□schoolproject□differentkindsoftrees□reasonsforplantingtrees√√√√√3Listentotheconversationagainandanswerthequestions.AWhat’stheweatherliketoday?It’sawarm,cloudyday.B

WhydoesLiMingthinktheprojectisaboutplantingtrees?BecauseMarch12thisArborDay.C

Whydopeopleplanttrees?Becausetreeshelpprotectthesoilfromrainfallandpreventdustfromspreading.Plantingtreesisalsoawonderfulwaytolearnmoreaboutbature.4ListentotheintroductiontotheGreatGreenWallandfillintheblanks.TheGreatGreenWallwasbuiltacrossthenorthernpartofChina.WhatistheGreatGreenWall?Itismadeupofstripsof_______plantedbyhumans.Eachyear,duststormsblowalargeamountofsoilofftheland.bemadeupof...表示“由……组成；由……构成”。alargeamountof+不可数名词，表示“大量的；许多”。Thesituationisbecomingincreasinglyserious.About

_______squarekilometresofgrasslandarebeingcoveredbytheGobiDeserteveryyear.TheGreatGreenWallprojectstartedin_______.Byplantingmoretrees,peoplearepreventingthe_______fromexpandingandtheforestcoverageisincreasinginnorthernChina.Bytheyear_______,theGreatGreenWallwillbeabout2,800mileslong.5Workinpairs.Whatarethebasicstepsforplantingatree?Whatarethebenefitsofplantingtrees?Talkaboutallthesewithyourpartner.1duty/'djuːti/n.责任；义务；职责(教材P2)·It’sourdutytopayattentioninclassandaskquestions.在课堂上集中注意力并提出问题是我们的责任。·Therearemorethantwodoctorsondutyinthehospital.医院里值班的医生不止两个。·Whenyouseesomeoneintrouble,youshoulddoyourdutyandofferahelpinghand.当你看到有人遇到困难时，你应该履行你的责任，伸出援手。探究一核心单词duty

n.责任；义务；职责。常见用法：(1)It’sone’sdutytodosth.做某事是某人的责任。(2)onduty值班；当班；执勤(3)doone’sduty履行某人的职责2reach/riːtʃ/v.达到；到达；实现(教材P2)·Thetemperatureisexpectedtoreach25degreestomorrow.明天温度预计会达到25度。·Theyreachedthevillagelastnight.=Theyarrivedatthevillagelastnight.=Theygottothevillagelastnight.他们昨晚到达了村庄。·Onehastoworkhardtoreachhisgoal.一个人必须努力去实现自己的目标。·Thegirlreachedforapieceofcakeonthetable.女孩伸手去够桌子上的一块蛋糕。·Thismathproblemisbeyondmyreach.这道数学题超出了我的能力范围。reach作动词时的一词多义：(1)达到(某阶段、数量或速度等)(2)到达(3)实现；达成

(4)(伸手/脚等)够到；伸出(手、脚等)常见用法：(1)reachanagreement达成协议(2)reachone’sgoal实现某人的目标(3)reachfor伸手去拿(4)reachout伸手reach还可作名词，意为“影响范围”。beyondone’sreach超出某人的能力范围辨析：reach,arrive与getto相同点不同点reach均可表示“到达”及物动词，直接接宾语(地点)，不接介词。arrive不及物动词，接宾语时必须加介词：接大地点(国家、城市等)用arrivein；接小地点(车站、学校等)用arriveat。getto及物动词短语，若后面的地点是副词(如here/there/home)，则不加to。3press/pres/v.压，按；催促n.报刊；出版社；印刷(教材P2)·Pressthebuttontoopenthedoor.按一下按钮就可以开门。·Pressdownonthelidtomakesureit’stightlyclosed.用力按住盖子，确保它盖紧了。·Myparentspressmetopracticethepianoeveryday.父母督促我每天练习钢琴。·Thenewschoolbuildingwasreportedinthepress.新的学校建筑在报刊上被报道了。·Thenewpresscanprintmorepagesinashortertime.这台新的印刷机可以在更短的时间内印更多的页。press作及物动词，意为“压，按；催促”。常见用法：(1)pressdown按压(2)presssb.todosth.催促某人做某事(3)pressforsth.不断要求某事press还可作名词，意为“报刊；出版社；印刷”。4spread/spred/v.扩散；传播；展开(教材P2)·Thefirespreadquicklythroughthebuilding.火势迅速蔓延到整座大楼。·Socialmediacanspreadinformationtousquickly.社交媒体可以给我们快速传播信息。·Shelayonthebed,spreadingherarms.她展开双臂，躺在床上。·Thespreadofeducationhaschangedmanypeople’slives.教育的普及改变了很多人的生活。spread

作动词，意为“扩散；传播；展开；散布(信息、疾病等)；使分散”。spreadout伸展身体；散开spread作名词，表示“传播；蔓延；散步”。5nature/'neɪtʃə(r)/

n.自然；本性；性质(教材P2)·Ilovespendingtimeinnature.我喜欢在大自然中度过时光。·Thekindnatureoftheteachermadeeveryonefeelwelcomeinclass.老师善良的本性让每个人在课堂上都感到受欢迎。·Thenatureofthisgameistohavefunwhilelearning.这个游戏的性质是在玩乐中学习。·It’snaturalfortheleavestofallinautumn.树叶在秋天落下是自然的。·Shehasanaturaltalentformusic.她有音乐天赋。nature

作名词，意为“自然；本性；性质”。innature在自然中；本质上nature的形容词形式是natural，意为“自然的；天生的”。naturaltalent指天生的才能，是与生俱来的，没有经过后天刻意培养而具有的才能。1bynoon到中午之前(教材P2)探究二核心短语·Iwillfinishmyreportbynoon.我将在中午之前完成我的报告。·Bytheendofthismonth,Iwillfinishreadingfivebooks.到这个月底，我将读完五本书。·Iliketotakeashortbreakatnoontorelax.我喜欢在中午休息一会儿来放松。bynoon意为“到中午之前”。“by+时间”是一个常用的英语短语，表示“在……之前”或“到……为止”，强调某个动作或事件在某个时间点之前完成。这个短语通常用于表示截止时间或最后期限。相关短语：bytheendof到……末为止

atnoon在中午2protect...from保护……以免(教材P2)·Wewearsunglassestoprotectoureyesfromthestrongsunlight.我们戴太阳镜是为了保护眼睛免受强烈阳光的伤害。·Vaccinescanprotectusagainstseriousdiseases.疫苗能保护我们抵御严重的疾病。·Thedoctorsavedhimfromdeath.医生把他从死亡边缘救了回来。protect...from保护……以免(受……的伤害/影响)，强调通过某种方式使对象避免遭受不利因素(如危险、伤害、损害等)。近义表达：(1)protect...against...保护……免受……，强调“对抗、抵御”有攻击性的对象(如敌人、疾病、自然灾害等)。(2)save...from...拯救……免于……；使……避免……3prevent...fromdoing阻止……做某事(教材P2)·Weshouldpreventchildrenfromplayingneartheriver.我们应该阻止孩子们在河边玩耍。·Theteacherstoppedthestudentsfromtalkinginclass.老师制止了学生们在课堂上讲话。·Thefencekeepsthecowsfromgettingintothegarden.围栏阻止牛进入花园。prevent...fromdoing(sth.)意为“阻止……做某事”。同义短语为stop/keep...fromdoingsth.。1IlearnedtoplanttreeswhenIvisitedmyunclelastspring.去年春天我去拜访叔叔的时候学会了种树。(教材P2)分析结构：这是一个主从复合句。主句是Ilearnedtoplanttrees，后面是when引导的时间状语从句；主句中主语是I，谓语是learned，toplanttrees是动词不定式短语作宾语。探究三核心句式·WhenIamtired,Iliketolistentomusic.当我觉得累的时候，我喜欢听音乐。·Callmewhenyou’refinished.你完成后就打电