Module9Unit1课件英语八年级上册

Haveyouevertravelledtoanywherebefore?Howdoyoufeelduringthejourney,especiallyonholidays?SunYat-senMausoleumofNanjing南京中山陵

theGreatWallWestLakeofHangZhouWhatproblemswillthepopulationincreasebringtous?FoodshortageWatershortagePollutionEcologydestruction(生态破坏)TrafficproblemWhatshouldwedo?Unit1

Theworld’spopulationwasabout7.8billionin2020.PopulationModule92020年，世界人口大约是78亿。billion十亿1billion10亿7billion70亿point1.Tounderstandpopulation-relatedtopics2.Listentolearnaboutthepopulationproblemsallovertheworld.3.Tolearntoreadandunderstandlarge

numbers4.TolearnthewordsandexpressionsObjectivesmapoftheworldWhichcountryhasthelargestpopulation?

China

,,,1,400,000,000

What’sthepopulationoftheChina?ThepopulationoftheChinaisabout1.4billion(14亿)thepopulationofChina1.4billion20%1/5onefifthtwentypercent20%中国1，4000，000，000thepopulationoftheworld7.8billion2019.7-2020.11四川省安岳中学实习生Tips:1.个位与十位间一般要用连字符号“-”,2.十位与百位间用“and”。1220222222,222twelvetwentytwenty-twotwohundredandtwenty-twotwothousand,twohundredandtwenty-twoTrytoreadthemHowtoreadlargenumbersbillion十亿million百万thousand千朗读数字时，倒着数，将每三位数看做一个单位。上例中的数字可以分解为...lion...thousand...，每个单位按照百、十、个位往后读，遵循百位以内数字的读法。1,140,840,230twohundredandthirtyeighthundredandfortythousandonehundredandfortymilliononebillion11408402301,140,840,2301,340,000,000//threehundredandfortymilliononebillion1,234,567,890eighthundredandnintyfivehundredandsixty-seventhousandtwohundredandthirty-fourmilliononebillion80,000.27eightythousandpointtwoseven.27小数点读:pointLet'spractice.3.5million45.8million12.2billionthreepointfivemilliononepointthreesevenbillionforty-fivepointeightmilliontwelvepointtwobillion分数的表达基数词序数词当分子＞1时，序数词要+s例：onefifth

五分之一

two-fifths

五分之二

two-thirds

三分之二拓: quarter 四分之一例如： threequarters 四分之三1WhatisthepopulationofNewYork?a)About17million.b)About9million.c)About30million.2WhatisthepopulationofTokyo?a)About4million.b)About28million.c)About14million.listenandchoosethecorrectanswer.While-listeningTask1Whentheworld’spopulationincreases(增长)toofast,whatproblemswillitcause?Therewillbeless_______.Toomuchnoise!roomheavyPopulationincresecauses

toomanyproblems.toomuch________noisetrafficwaterpollution

andairpollutiontoomuch________toomany_____people[nɔɪz]噪音太吵啦！[pəˈluːʃn]污染toomuch________rubbishWhentheworld’spopulationgrowsslowly,whatproblemswillitcause?Therearen't_________peopletodoallthejobs.Therearemoreolderpeoplethanthe_____ones.Toolittlelabour(劳动力)!enoughyoungTheworld'sp_____isgrowingsofast.populationTonyispreparingareport（报告）forit.()1.WhatisTonypreparing(准备)?

A.diary

B.newsC.report()2.Whatwillbetheworld’spopulationin2030?

A.1.5billionB.8.5billionsC.8.5billion()3.Wherewillthelargestincreaseinpopulationtakeplace?

A.India,China,Pakistan

B.India,Nigeria,Pakistan

C.India,Africa,Pakistan听力提示：（1）关注疑问词；（2）找题目关键词（3）区分选项（4）听时关注关键词3ListenandchooseCCBTheworld’spopulationProblemscausedbypopulationAbout1.__________in2020About2._________in2030CountrieswiththemostpopulationgrowthItcancausetoomuch3.______and4.____Countrieswithslow-growingpopulation(1)Therearen’tenoughpeopletodoallthe5._______.(2)Therearen’tenoughyoungpeopletolook6.______theolderones7.8billion8.5billiontrafficnoisejobsafter4Listenandfill听力提示：听前：分析很重要

（1）内容；（2）所缺单词词性（3）关注上下文格式听中：听关键词。

5WatchandreadReadthedialoguetogether.RoleplayinyourgroupRequirements:★分角色★有场景，有表演★声音流畅、洪亮、注意重读★3minutesLingling&Betty&TonyPost-listeningTask4DiscussionWhyareChina’sfamiliesgettingsmaller?Becauseofthefamilyplanningpolicy（计划生育政策）.onechildpolicy独生子女政策DINKfamily丁克家庭ThepopulationofChinais14.2billionin2020.Thepopulationisstillgrowing.two-childpolicy二胎政策(2016)Discussion......trafficnoisetoomanypeopleairpollutionProblemsWhatshouldwedotosolvetheseproblems？

waterpollutionPopulationincreaseisabigproblem.Wecan'tchangeit.ProblemsSuggestionsairpollution&traffic1.It’sagoodideato_______2.Wecangotoschoolon___or_______.waterpollution&rubbish1.Don't_________intherivers.2.Weshould________.3.Don't_______________.planttrees.footbybikethrowrubbishsavewaterwastewater8ExtendthinkingIfthereisnoenoughpopulation,whatwillhappen?Noenoughpeopletodoallthejobs.Noenoughyoungpeopletolookaftertheolderones.Whatshouldwedo？Therearemanyproblemsintheworld’spopulation.Weshouldtryourbesttohelptheworld....Visittheoldandmakethemhappy.Playwiththechildrenwhoseparentsarenotathome.9EmotionThereisonlyoneearth.Weshouldprotectit.Homework:1.背诵新单词和短语。2.熟读课文，尤其是多位数的表达和分数表达。3.预习Unit1语法点，先从课文里找出来。Module9PopulationUnit1ThepopulationofChinaisabout1.37billion.第二课时

LanguagepointsLanguagepoints1.I’mpreparingsomenotesforareportcalled……【有关prepare的短语】preparesth.for......

“为……准备某物”preparefor.……

“为……做准备”eg:

我们必须为会议准备好一个房间。Wemustpreparearoomforthemeening.eg:我们正在为明天的聚会做准备。Wearepreparefortomorrow'sparty.Languagepoints2.Thatcausesalotofproblems,suchastoomuchtrafficandnoise.【观察】noise通常指“噪声”，既可做可数名词，也可做不可数名词，常用短语maketoomuchnoise,意为“制造太多噪音”【辨析】noise，voice与sound

noise专指“噪音”voice指人的说话、唱歌的“嗓音”也可指鸟儿的鸣叫声sound指自然界中各种“声音”用noise，voice与sound填空。①机器正在工作，它发出很大的噪音。Themachineisworkingnow.Itismakingaloud_______.②光比声音传播得快。Lightgoesfasterthan_______.③他有一副好嗓子。Hehasgotagood_______.voicesoundnoiseLanguagepoints3.……suchastoomuchtrafficandnoise.……

【

辨析toomany、toomuch、muchtoo】

toomany表示“太多”，修饰可数名词复数toomuch表示“太多”，修饰不可数名词muchtoo表示“太”，修饰形容词或副词eg:Idon'tlikethosebigcities,whichhavegot_____peopleand____traffic.A.toomany;toomuchB.manytoo;toomuchC.toomuch;toomanyD.toomany;muchtooALanguagepoints4.That’salmostonefifthoftheworld’spopulation……【分数表达法】onefifth

“五分之一”表达分数时，分子用基数词，分母用序数词。分子如果是1以上的数字，作分母的序数词要用其复数形式。注：“二分之一”one/ahalf“四分之一”one/aquarter或onefourtheg:Nowadays,____oftheoldpeopleinthearea____usedtodancingatthesquareaftersupper.A.twothird;isB.twothirds;isC.twothirds;areD.twothird;areC当含有分数的短语作主语时，其后的谓语动词的单复数与分数后面的名词的单复数保持一致Languagepoints5.Hangonaminute!

hangon稍等一下拓展：hangup挂断电话hangout