Module 9 Great inventions Unit 1 Will computers be used more than books in the future课件--外研版九年级英语上册.pptx

Module 9 PopulationUnit 1 The worlds population was about 7.8 billion in 2020 Can you say these numbers?0123456789101112131415161718192021304050607080901001000zeroonetwothreefourfivesixseveneightnineteneleventwelvethirteenfourteenfifteensixteenseventeeneighteennineteentwentytwenty-onethirtyfortyfiftysixtyseventyeightyninetyhundredthousand1.3onepointthreebillion millionthousandone billion,two hundred and thirty-four million,five hundred and sixty-seven thousand,eight hundred and ninety comma 1,234,567,8908,742 2,463,128 1,370,000,0002,000,030,000eight thousand,seven hundred and forty-twotwo million,four hundred and sixty-three thousand,one hundred and twenty-eightone billion,three hundred and seventy milliontwo billion and thirty thousandThe worlds population will get _.Population i_ is a big problem in the world.increaseslargerThe worlds population g_ so fast.rowsncreaseYear Population2050 9,000,000,0002010 7,000,000,0001990 5,200,000,0001980 4,300,000,0001950 2,500,000,0001930 2,000,000,0001 What is the population of New York?a)About 17 million.b)About 9 million.c)About 30 million.2 What is the population of Tokyo?a)About 4 million.b)About 28 million.c)About 14 million.1.WhatisTonydoing?Tonyispreparingareportcalled“Theworldspopulation”2.Whataretheytalkingabout?Theincreasingpopulationandtheproblems.Population of the world in 2020:_Population of the world in 2030:_The largest increase in population will take place in_，Nigeria and PakistanPopulation of India in 2030:_Tonys reportHe is making some notes for it.Tony is preparing a report called“The worlds popullation”about 7.8 billion8.5 billionabout 1.5 billionTonys notes:India Tony:I cant believe it!Thats a _number.hugeproblemsfast-growing populationsslow-growing populationstoo much traffic too much noiseThere arent enough people to do all the jobs.There arent enough young people to look after the older ones.Think：What other problems does it cause？Its harder to find a job.The housing price is high.traffic space pollution.Countries with low birth rates have problems too.1.Birth happensatthestart/attheendoflife.2.Hugemeanslarge/small.3.Anincreaseinpopulationmeansmore/fewerpeople.4.Hang on a minutemeanswaitingforashorttime/alongtime.5.Makingnotesmeanswritingalongpassage/afewwords.6.Aproblemissomethingeasy/difficult.7.Areportisalongpieceofwriting/afewwords.8.Abillionisahundred/athousandmillion.Icantbelieveit!Hangonaminute!Great!Read and remember some everyday English sentences.我真是不敢相信！我真是不敢相信！等一会。等一会。太棒了！太棒了！Grammar points1.PreparePreparesth.准备某物准备某物Mymotherispreparinglunch.我妈妈正在准备午饭。我妈妈正在准备午饭。preparefor为为做准备做准备Heispreparingfortheworldcup.他正在为世界杯做他正在为世界杯做准备。准备。preparesth.for为为准备某物准备某物Pleasepreparethetableforthedinner.请摆好桌子吃请摆好桌子吃饭。饭。Preparetodosth.准备做某事准备做某事Wearepreparingtogoonholiday.我们正准备去度假我们正准备去度假。2.cause（及物动词）造成；引起 cause(sb.)sth.（给某人)造成某事;cause.to do sth.导致做某事Driving after drinking caused many accidents.酒后驾车造成了很多事故。名词原因；起因We are trying to find the cause of the accident.我们正在努力找到这场事故的原因。hang on稍等Hang on,please.Ill come back in a minute.请稍等。我马上就回来。拓展hang up挂断电话 hang out闲逛noisenoisen.噪声；喧闹声；响声噪声；喧闹声；响声这个餐厅里太嘈杂了，我几乎听不到你说话。这个餐厅里太嘈杂了，我几乎听不到你说话。Thereissomuchnoiseinthisrestaurant;Icanhardlyhearyoutalking.由由noise衍生出的词：衍生出的词：noiseless(无声的无声的),noisy(吵闹的吵闹的)。Sheenteredtheroomwithnoiselessfootsteps.她悄无声息地进入了房间。她悄无声息地进入了房间。吵闹的孩子们总是让我生气。吵闹的孩子们总是让我生气。Thenoisychildrenalwaysmakemeangry.链接链接辨析辨析sound,voice&noisesound，noise和和voice这三个名词都可表示这三个名词都可表示“声音声音”，但是，它们表示的，但是，它们表示的“声音声音”并不相同。并不相同。(1)sound作作“声音声音”，“响声响声”讲时，讲时，可以可以指人或动物发出的声音，或物体碰撞的声言。指人或动物发出的声音，或物体碰撞的声言。这个词的使用范围很大。这个词的使用范围很大。可以说，大自然的可以说，大自然的任任何何“声音声音”都可以用都可以用sound。如：。如：Atmidnightheheardastrangesound.半夜里他听到一种奇怪的声音。半夜里他听到一种奇怪的声音。Wecouldnthearasoundhere.在这里我们一点声音也听不到。在这里我们一点声音也听不到。(2)noise意为意为“噪音噪音”、“喧闹声喧闹声”，常指，常指不悦耳、不和谐的嘈杂声。如：不悦耳、不和谐的嘈杂声。如：Dontmakeanynoise!别吵闹别吵闹!Thenoiseoftraffickepthimawake.车辆的喧闹声使他睡不着。车辆的喧闹声使他睡不着。(3)voice一般指一般指人的声音，说话、唱歌人的声音，说话、唱歌。谈。谈笑都可用笑都可用voice。sound和和noise不仅能指人的声不仅能指人的声音，还可以表示别的动物发出的声音音，还可以表示别的动物发出的声音;而而voice除了有时可指鸟的声音外，很少表示其它动物除了有时可指鸟的声音外，很少表示其它动物的声音。的声音。如：如：那女孩嗓音很美。那女孩嗓音很美。Thegirlhasabeautifulvoice.他们正小声交谈。他们正小声交谈。Theyaretalkinginlowvoices.说话声音不要这么大。说话声音不要这么大。Dontspeakinsuchahighvoice.1.Dontmakeany_,children.2._travelsslowerthanlight.3.Theressomuch_inthisroomthatIcanthearyoutalking.4.Theywereshoutingatthetopoftheir_.5.Hespokeinaveryloud_.用用sound,noise,voice填空。填空。noiseSoundnoisevoicesvoicePractice 6.Thelittlegirlhasaverybeautifulandsweet_.7.Icanhearthe_ofthebellsoutside.voicesoundincrease意为意为“增加，增大增加，增大”。如。如:注意：注意：increaseto增加到增加到increaseby增加了增加了Productionofironhasincreasedto120milliontons,whichmeansthatithasincreasedby20%。铁的产量已增加到一亿两千万吨，意思是铁的产量已增加到一亿两千万吨，意思是说它增加了说它增加了20%。3.increaseproblem与questionproblem指疑难的、困难的问题，如数学问题、失业问题或令人困惑的事等相对比较麻烦的问题，重点突出“难”。常与solve,cause,work out等动词(短语)连用.question指一般的、需要解答的问题。常与ask,answer等动词连用.This time,we must depend on ourselves to solve the problem.这次，我们必须依靠我们自己去解决问题。You can ask him some questions by telephone.你可以通过电话问他一些问题。CountriesPopulation increase is a big problem in many countries.The population of Japan is about 128 million.Russia has a population of about 142.9 million.And more than 315.2 million people live in America.Chinas population is about 1.37billion.It has the largest population in the world.CountriesPopulationJapan128,000,000Russia142,900,000America315,250,000China1,370,000,000找出不同的描述人口数量的句型 The population of Japan is about 128 million.Russia has a population of about 142.9 million.And more than 315.2 million people live in America.Chinas population is about 1.37billion.It has the largest population in the world.CountriesPopulation increase is a big problem in many countries.CountriesPopulationJapan128,000,000Russia142,900,000America 315,250,000China1,370,000,000你能记得这些不同的句型吗？The population of _will be _in 2030The population of _will increase very_.What is the population of.What will the population of.be in 2050?How fast is _s population growing?What are the problems?