外研版八年级上Module9PopulationUnit1讲课讲稿.ppt

Module 9 PopulationUnit 1 The population of China is about 1.37 billion.第一页，共35页。Have you noticed a news report about the world population on Oct.31,2011?Whats the population of the world now?Its 7,000,000,000.seven billion第二页，共35页。One day,the world will be like this.第三页，共35页。1,370,000,000millionthousandbillionWhats the population of China?第四页，共35页。Listen and repeat.8,742 eight thousand,seven hundred and forty-two 2,463,128 two million,four hundred and sixty-three thousand,one hundred and twenty-eight1,370,000,000 one billion,three hundred and seventy million2,000,030,000 two billion and thirty thousand第五页，共35页。Number practice.150,000500,0003,200,030,0405,600,00082,550,000one hundred and fifty thousandthree billion,two hundred million,thirty thousand and forty five hundred thousandfive million and six hundred thousandeighty-two million,five hundred and fifty thousand第六页，共35页。too many _people第七页，共35页。too much _noise第八页，共35页。too much _traffic第九页，共35页。too much _smoke第十页，共35页。Look at the picture and talk about it.noisepeoplespacetraffic 第十一页，共35页。a huge cityThat causes many problems.population increase第十二页，共35页。1.Whats the population of Beijing?a)About 11 million.c)About 20 million.b)About 13 million.c)2.Whats the population of Chongqing?d)About 28 million.c)About 36 million.e)About 33 million.Chongqing has the largest population in China.The population of Chongqing is larger than that of Beijing.Chongqing is a big city with large population.=huge hju:d 第十三页，共35页。1.What is the boy doing?He is preparing some notes for a report called“Our growing population”.Babies born every minute（world）Babies born every year（world）Population of ChinaPopulation of the worldOver 250.Over 131.4 million.About 1.37 billion.About 7 billion.That makes 131.4 million births a year!b:Thats almost one fifth of the worlds population.第十四页，共35页。1.Whats the big problem mentioned(提到(t do)in the conversation in many countries?2.What will the Chinas population become?Why?Population increase/growth.nkri:s/Chinas population wont grow so fast.Because families are getting smaller.one child policy独生子女(d shn z n)政策DINK family丁克家庭(dn k ji tn)第十五页，共35页。Fill in the blanks.Tony is _ some _ for a report.Beijing is a _city with a large population.That _ many problems.Population _ is a big problem in many countries.Over 250 babies _ _ every minutein the world.That makes over 131.4 million _ a year.The population of China is _ _ of the worlds population.In the future,Chinas populationwont _ so fast.preparingnoteshugecausesincreaseare bornbirthsone fifthgrow第十六页，共35页。Choose the correct answer.1.Birth happens at the start/at the end of life.2.Huge means large/small.3.An increase in population means more/fewer people.4.Hang on a minute means waiting for a short time/a long time.5.Making notes means writing a long passage/a few words.6.A problem is something easy/difficult.7.A report is a long piece of writing/a few words.8.A billion is a hundred/a thousand million.第十七页，共35页。Check()the statements you agree with.1.There are too many people in the world.()2.The increasing population is the biggest problem in the world.()3.People should not have too many babies.()4.A city should not hold more than one million people.()Now work in groups and discuss your answers.第十八页，共35页。1.Im preparing some notes for a report called“Our growing population”.2.prepare for 表示表示(biosh)“为为准准备备”。3.e.g.He is preparing a dinner for his 4.friends.5.他正在为他的朋友准备晚饭。他正在为他的朋友准备晚饭。第十九页，共35页。2.That causes a lot of problems,such as too much traffic and noise.too many 后面后面(hu mian)加可数名词，加可数名词，表示表示“太多的太多的”。too much 后面后面(hu mian)加不可数名词，加不可数名词，表示表示“太多的太多的”。第二十页，共35页。3.I cant believe it!表示表示“简直难以置信简直难以置信”。表示一种惊讶。表示一种惊讶。4.The population of China is about 1.37 billion.billion(十亿十亿),million(百万百万),thousand(千千)都是数字单位。当前面有数词时，这些都是数字单位。当前面有数词时，这些数字单位不加数字单位不加(b ji)s，当前面没有数词，当前面没有数词时，这些数词后面加时，这些数词后面加s和和of。第二十一页，共35页。5.Thats almost one fifth of the worlds population,.one fifth 表示表示“五分之一五分之一”，fifth是序数是序数词。词。分数的表达分数的表达(biod)：分子用基数词，：分子用基数词，分母用序数词。分子大于分母用序数词。分子大于1时，分母时，分母+s。e.g.2/5:two fifths第二十二页，共35页。6.Hang on a minute!通常用来表示通常用来表示(biosh)让某人等一让某人等一下。下。e.g.Hang on!Ill be back in a minute.第二十三页，共35页。朗读时，将每三位数看做一个单位，依次为朗读时，将每三位数看做一个单位，依次为billion，million，thousand。每个单位按照。每个单位按照百、十、个位向下读，其中百、十、个位向下读，其中(qzhng)百位百位到十位之间要加入到十位之间要加入 and。e.g.729：seven hundred and twenty nine.6,500,431,729：six billion five hundred million four hundred and thirty one thousand seven hundred and twenty nine.第二十四页，共35页。重点短语重点短语(duny)make notes prepare fortoo much one fifthhang on talk about数字的读法数字的读法第二十五页，共35页。1.-What are you preparing _ your 2.party?-Im thinking about who Ill invite.A.at B.for C.with2.There are _ people in the little room.A.so much B.so many C.very muchBB第二十六页，共35页。3.How do you read 131,400,000?_.A.One hundred and thirty one million four hundred thousandB.One hundred and thirty one million four hundred thousandC.One hundred and thirty one million four hundred thousandA第二十七页，共35页。4.-Could you give me some advice about learning English?-Certainly.Why not _ in class?A.make books B.make notes C.making notes5._ of the worlds population is in China.A.One five B.One fifths C.One fifthBC第二十八页，共35页。6.-The school bus is coming.-_.Ill come in a minute.A.Hang on B.On earth C.Once or twice7.Population _ is a big problem in the world.A.increase B.describe C.protectAA第二十九页，共35页。1.I think _ of the materials I listened to at the beginning of the exam _ easy.2.A.three fourths,is 3.B.third four,are 4.C.three fourths,are5.D.three fourth,are C第三十页，共35页。2._ trees have been planted near here,so the air is very fresh.A.Two hundreds B.Hundred of C.Hundreds of D.HundredsC第三十一页，共35页。3._ visitors come to Xingyi during May Day holidays every year.A.Thousands of B.Two thousands C.Thousand of D.ThousandA第三十二页，共35页。编写一个编写一个(y)报告，说明世界的人口增报告，说明世界的人口增长问题。长问题。第三十三页，共35页。第三十四页，共35页。1.Grasp the key words and key structure:noise,prepare,notes,report,grow,problem,birth,billion,fifth;Beijing is a huge city with a large population.That makes over 131.4 million births a year.2.Reading aim:To be able to read and understand large numbers.3.Affection:we should care more about the population problems of our country.Teaching aims第三十五页，共35页。