英语人教版八年级下册公开课.ppt

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1、天长市郑集初级中学：孙洪蔚square n.平方平方meter n.米米deep adj.深的深的desert n.沙漠沙漠population n.人口人口Asia n.亚洲亚洲tour v.n.旅行旅行tourist n.旅行者旅行者wall n.墙墙amazing adj.令人大为惊奇的令人大为惊奇的ancient adj.古代的古代的wide adj.宽的；宽阔和宽的；宽阔和Do you know these places of interest?Qomolangma Qomolangma runs along the border between China and Nepal.It

2、 is covered with snow all the year round.Its 8844.43 high,the highest in the world.Its 26 kilometers long.Date of QomolangmaElevation:8,848m(snowcap,1999,Nepal)8844.43m(rockhead,2005,China)Prominence:Ranked1stLocation:SolukhumbuDistrict,SagarmathaZone,Nepal;TingriCounty,Xigaz,TibetAutonomousRegion,C

3、hinaRange:MahalangurHimal,HimalayasCoordinates:275917N,865531EFirst ascent:29stMay1953,EdmundHillaryandTenzingNorgayNormal route:southeastridge(Nepal)The Nile is the longest river in the world.Its more than 6600 kilometers long.It runs through 9 countries,its one of the largest river flows through t

4、he international states in the world and runs into the Mediterranean Sea(地中海地中海)in the end.The NileThe Caspian Sea The Caspian Sea is the biggest lake in the world.It lies in the border between Asia and Europe.The Sahara is the biggest desert in the world.It is located in the northern Africa,climate

5、 conditions are very bad,is one of the earths most not suitable for biological survival.The Sahara The Yangtze River is the third longest river in the world,the first Asian rivers.Its 6211.31 kilometers long.The Yangtze River Basin,east-west width of 3219 kilometers,about 966 kilometers wide north-s

6、outh,passing through 11 provinces.It runs into the East Sea in Shanghai finally.The Yangtze RiverWhich is the highest mountain in the world?Which is the longest river in Asia?.1a Match the facts you know.Qomolangma about 9,600,000 square kilometers in sizeThe Sahara1,025 meters deepThe Caspian Sea6,

7、671 kilometers longThe Nile8,844.43 meters high1b Listen and complete the sentences.1.Qomolangma is _ than any other mountain in the world.2.The Sahara is _ desert in the world.higherthe biggest3.The Caspian Sea is _ of all the salt lakes.4.The Nile is _ river in the world.the deepestthe longestPrac

8、tice in pairs like this:A:Which is the in the?B:_The Yangtze River is about _ kilometers long and the Yellow River is _kilometers long._ China has the biggest population in the world.Its a lot bigger than the population of the US._ China is over _ years old.It has a much longer history than the US.T

9、he US is not even _ years old._ China is almost as big as the US,but it is the biggest country in Asia.6,300 5,000 5,464 30014322aListen and number the facts 1-4 in the order you hear them.2bListen again and fill in the blanks in 2a with the numbers in the box.The Yangtze River is about _ kilometers

10、 long and the Yellow River is _kilometers long.China has the biggest population in the world.Its a lot bigger than the population of the US.China is over _ years old.It has a much longer history than the US.The US is not even _ years old.China is almost as big as the US,but it is the biggest country

11、 in Asia.6,300 5,000 5,464 3006,3005,4645,0003002c Make conversations using the information in 2a.A:Did you know that China is one of the oldest countries in the world?B:Yes,I did.its much older than my country.A:Did you know that Yangtze River is the longest river in China?B:Yes,I did.Its 6,300 met

12、ers long.B:Wow!Thats long!1.Qomolangmais8,844.43metershigh.珠穆朗玛峰高8844.43米。TheCaspianSeais1,025metersdeep.里海深1025米。TheNileis6,671kilometerslong.尼罗河长6671千米。“数词数词+量词量词+long(deep/heavy/high/tall/thick/wide.)”，是英语中表示计量的方法。MyEnglishteacheris1.82meterstall.我的英语老师高一米八二。Key Words,Phrases&Sentences长、宽、高还可以用复合

13、形容词，即“数字+量词(单数)+long(deep/heavy/high/tall/thick/wide.)”表达，中间加连字符，常用作定语。Thisisaten-meter-widestreet,andthetrafficisbusy.这条路宽十米，交通繁忙。Practice1.黄河长5464千米。TheYellowRiveris5,464_.2.死海约深392米。TheDeadSeaisabout392_.3.Themountainis1,500metershigh.(改为同义句)Itisa_mountain.kilometers long1,500-meter-highmeters de

14、ep2.Chinahasthebiggestpopulationintheworld.中国有世界上最多的人口populationn.人口(1)population作主语时，谓语动词常用第三人称单数；当表示人口的分数或百分数时，谓语动词用复数形式。SixtyninepercentofthepopulationinShenzhenarefromotherprovinces.(2)表示人口多少，要用large/big和small。特指某一地区或国家的人口时,其前加定冠词the。Thepopulationofmyhometownissmall.我家乡的人口很少。(3)问某地人口多少用Whatsthep

15、opulationof.或是Howlargeisthepopulationof.。Howlargeisthepopulationofyourcity?Whatisthepopulationofyourcity?Practice1._isthepopulationofyourcountry?A.HowmanyB.HowmuchC.WhichD.What2.Astimegoeson,theworldspopulationis_.A.moreandmoreB.largerandlargerC.smallerandsmallerD.fewerandfewerBD3.Feelfreetoaskmeany

16、thingontodaysGreatWalltour.在今天的长城游中，大家尽管问我任何问题，不要拘束。feel free是英语口语中一个常用表达。feel free to do sth.无需拘束去做某事我可以用一下你的卫生间吗？可以，请随意。CanIuseyourbathroom?Yes,feelfree.4.TheSaharaisthebiggestdesertintheworld.(1)形容词最高级前通常必须用定冠词the，副词最高级前可不用。使用最高级要将主语包括在比较范围内。序数词通常只修饰最高级。Tomisthetallestofthethreebrothersinhisfamil

17、y.Africaisthesecondlargestcontinent.(2)形容词most前面没有the，不表示最高级的含义，只表示“非常”。Itisamostimportantproblem.=Itisaveryimportantproblem.(3)最高级可用(by)far,much,nearly,mostly,almost修饰。Thishatisnearly/almostthebiggest.*very可修饰最高级,但位置与much不同。Thisistheverybest.Thisismuchthebest.(4)否定词语+比较级，否定词语+so.as结构表示最高级含义。Nothing

18、issoeasyasthis.=Nothingiseasierthanthis.=Thisistheeasiestthing.Practice.Complete the sentences.1.汤姆每天锻炼，身体比以前强壮多了。Tomexerciseseverydayandheis_thanbefore.2.现在学生有越来越多的作业。Thestudentshave_homeworknow.3.你越努力学习,你取得的成绩就会越好。The_youstudy,_gradesyoucanget.more and morethe betterhardermuch strongerPractice1.To memorize the important phrases and sentences.2.To make some dialogues about asking the size of objects.HOMEWORK