英语人教版八年级下册unit 7 第一课时课件.ppt

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1、Period 1 1a-2d WordsUnit 6 Whats the highest mountain in the world?SectionA*To learn to compare factsTo learn to express large numbersTo learn to talk about geography and natureTo learn new words:square,meter,deep,desert,population,Asia,tour,tourist,wall,ancient,protect,wideQomolangmathe Nilethe Cas

2、pian Sea the Saharathe Yangtze Riverthe Yellow Riverthe Ming Dynastythe Ming Great Wall珠穆朗玛峰珠穆朗玛峰尼罗河尼罗河里海里海(世界最大的咸世界最大的咸水湖水湖)撒哈拉沙漠撒哈拉沙漠长江长江黄河黄河明朝明朝明长城明长城squaremeterdeepdesertpopulationAsiafeel freetourn.平方；正方形平方；正方形n.米；公尺米；公尺adj.深的；纵深的深的；纵深的n.沙漠沙漠n.人口；人口数量人口；人口数量n.亚洲亚洲(可以可以)随便随便(做某事做某事)n.v.旅行；旅游旅行；旅

3、游touristwall amazingancientprotectwideas far as I known.旅行者；观光者旅行者；观光者n.墙墙adj.令人大为惊奇的令人大为惊奇的;令人惊喜令人惊喜(或惊叹或惊叹)的的adj.古代的；古老的古代的；古老的v.保护；防护保护；防护adj.宽的；宽阔的宽的；宽阔的就我所知就我所知Which is the highest mountain in the world?Which is the longest river in the world?Which is the longest river in Asia?Do you know?Qomol

4、angma runs along the border between China and Nepal.It is covered with snow all the year round.Its 8844.43 high,the highest in the world.Its 26 kilometers long.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

5、 through the international states in the world and runs into the Mediterranean Sea(地中海地中海)in the end.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 conditions ar

6、e very bad,is one of the earths most not suitable for biological survival.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-south,passing through 11 p

7、rovinces.It runs into the East Sea in Shanghai finally.Which is the highest mountain in the world?Which is the longest river in Asia?.Match the facts you know.Qomolangma about 9,600,000 square kilometers in sizeThe Sahara1,025 meters deepThe Caspian Sea6,671 kilometers longThe Nile8,844.43 meters hi

8、gh1a8,844 meters high.8,844米高米高 meters high(long,wide)米高（长，宽米高（长，宽)。英语表示英语表示“有多长（宽，高有多长（宽，高）”时，时，一般一般将数词和数量单位放在表示长宽高的将数词和数量单位放在表示长宽高的形容词前作状语形容词前作状语。e.g.The wall is 1.7 metres wide.A:How high is Qomolangma?B:Its 8,844 meters high.The biggest desert in the world is about 8,000,000 square kilometers in

9、 size.How big is the Sahara?Its about 8,000,000 square kilometers in size.Listen and complete the sentences.1.Qomolangma is _ than any 2.other mountain in the world.2.The Sahara is _ desert in the world.3.The Caspian Sea is _ of all the salt lakes.4.The Nile is _ river in the world.higherthe biggest

10、the deepestthe longest1bWhat is the longest river in the world?The Nile.Use the information in 1b to make conversations.1cWhat is the deepest desert in the world?The Sahara.Listen and number the facts(1-4)in the order you hear them.6,300 5,000 5,464 300_ The Yangtze River is about _ kilometers long

11、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 countr

12、y in Asia.42132aListen again and fill in the blanks in 2a with the numbers in the box._ 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.6,3005,0005,464300246,3005,4642b

13、_ 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,and it is the biggest country in Asia.135,0003002b Tape scriptpopulationpopulation意为意为“人口数量人口数量”，谓语，谓语动词要用动词要用单数单数形式。形式。询问人口数量询问人口数量时要用时要用“Whats the population of.?”提

14、问，而不用提问，而不用how many或或how much等提问。等提问。表示人口表示人口“多多”要用要用large或或big；表表示人口示人口“少少”要用要用small。Language pointsPractice这个城市的人口是这个城市的人口是600万。万。The population of this city is six million中国的人口比美国的人口多很多。中国的人口比美国的人口多很多。The population of China is much larger than that of the USA.A:Did you know that China is one of

15、the oldest countries in the world?B:Yes,I did.Its much older than my country.Make conversations using the information in 2a.2cA:Did you know that China has the biggest population in the world?B:Yes,I did.Its a lot bigger than the population of the US.Example 1:A:Did you know that China is the bigges

16、t country in Asia?B:Yes,I did.Its almost as big as the US.Example 2:A:Did you know that Yangze River is much longer than the Yellow River?B:No,I didnt.How long is it?A:Its 6,300 kilometers long.B:Wow!Thats very long!Example 3:1.Did you know that China is one of the oldest countries in the world?that

17、 China is是是know的宾语从句。的宾语从句。尽管尽管主句的动词是过去时态，但由于宾语从句主句的动词是过去时态，但由于宾语从句陈述的是客观事实，所以从句仍用一般现陈述的是客观事实，所以从句仍用一般现在时。在时。Language points2.Its much older than my country.much higher 意为意为“高得多高得多”。在形。在形容比较级前还可以用容比较级前还可以用much,even,a little,still,a lot,less等修饰词表示程度。等修饰词表示程度。Practice他比我跑得更快。他比我跑得更快。He runs even faste

18、r than I.日本土地面积只比德国大一点儿。日本土地面积只比德国大一点儿。Japan is a little larger than Germany in area.中国的长城共有近一万公里，东起河北秦皇岛的中国的长城共有近一万公里，东起河北秦皇岛的山海关，西到嘉峪关，这是明代修筑长城的两个最山海关，西到嘉峪关，这是明代修筑长城的两个最大关口，北京境内的长城有大关口，北京境内的长城有600余公里，比较著名余公里，比较著名的有八达岭长城、金山岭长城、司马台长城、慕田的有八达岭长城、金山岭长城、司马台长城、慕田峪长城、居庸关长城和箭扣长城等。峪长城、居庸关长城和箭扣长城等。The Great

19、Wall Guide：Feel free to ask me anything on todays Great Wall tour.Tourist 1：How long is the wall?Guide：Ah,the most popular question!If were only talking about the parts from the Ming Dynasty,its about 8,850 kilometers long.This makes it the longest wall in the world.Role-play the conversation.2dTour

20、ist 2:Wow,thats amazing!Why did the ancient emperors build the wall?Guide:The main reason was to protect their part of the country.As you can see，its quite tall and wide.As far as I know,there are no man-made objects as big as this.Tourist 3:Is Badaling part of the Ming Great Wall?Guide:Yes,its the

21、most famous part.Whats the conversation about?Its about a tour to the Ming Great Wall.1.Which is the biggest man-made objects in the world？2.Which is the most famous part of the Ming Great Wall?The Great Wall.Badaling part of the wall.3.How long is the Ming Great Wall?4.What does the guide say about

22、 the wall?Its about 8,850 kilometers long.Its quite tall and wide./Its the longest wall in the world.1.Feel free to ask me anything on todays Great Wall tour.在今天的长城游中，大家尽管问我任何问题，在今天的长城游中，大家尽管问我任何问题，不要拘束。不要拘束。feel free是英语口语中一个常用表达。若有人是英语口语中一个常用表达。若有人让你让你feel free to do something,就是让你无需拘就是让你无需拘束，只管按照自

23、己的意愿去做某事。束，只管按照自己的意愿去做某事。e.g.A:Can I use your bathroom?我可以用一下你的卫生间吗？我可以用一下你的卫生间吗？B:Yes,feel free.可以，请随意。可以，请随意。Language points2.As far as I know,there are no man-made objects as big as this.据我所知，再没有像它这样大的人造物体了。据我所知，再没有像它这样大的人造物体了。as far as I know 是一个固定的表达方式，还可以是一个固定的表达方式，还可以说说so far as I know，意思是，意思

24、是“据我所知据我所知”。例如：例如：As far as I know,Jacks got twin sisters.就我所知，杰克有一对孪生姐妹。就我所知，杰克有一对孪生姐妹。Theyre not coming today,so far as I know.他们今天不来了他们今天不来了 就我所知是这样的。就我所知是这样的。as far as也可表示也可表示“远至远至”(在否定句在否定句中也可用中也可用 so far as)。Practice我们坐火车到北京，然后转乘公共汽车。我们坐火车到北京，然后转乘公共汽车。We will go by train as far as Beijing,and

25、than take a bus.我们不如其他人走得远。我们不如其他人走得远。We didnt go as/so far as the others.man-made为合成形容词，意为为合成形容词，意为“人造的人造的”。英语中像这样与英语中像这样与-made复合而成的形容词复合而成的形容词还有：还有：handmade(手工制作的手工制作的)、homemade(家庭制作的家庭制作的)、machine-made (机制的机制的)、tailor-made(量体定制的；特制量体定制的；特制的；定做的的；定做的)等，用以描述产品的生产或制等，用以描述产品的生产或制造手段、特点等，甚至还有像造手段、特点等，

26、甚至还有像self-made(自学而成的；自我奋斗而成的；天然形成自学而成的；自我奋斗而成的；天然形成的的)可以用来描述人。可以用来描述人。Practice面包和糕点都是自家做的。面包和糕点都是自家做的。The bread and pastry are homemade.这个电影角色是专为那位男演员量身设这个电影角色是专为那位男演员量身设计的。计的。This movie role was tailor-made for that actor.3.the Ming Great Wall 明长城明长城“明长城明长城”是指明朝时期为了防御北方游是指明朝时期为了防御北方游牧民族的骚扰，历时一百多年在北

27、部地区牧民族的骚扰，历时一百多年在北部地区 修筑的军事防御工程。这段长城东起辽宁修筑的军事防御工程。这段长城东起辽宁虎山，西至甘肃嘉峪关，从东向西横贯多虎山，西至甘肃嘉峪关，从东向西横贯多个省、个省、直辖市、自治区，直辖市、自治区，全长约全长约8850千千米米，是现存历代长城遗迹中最完整、最坚，是现存历代长城遗迹中最完整、最坚固的。固的。课时重点回顾课时重点回顾Whats the population of.?It is meters high(long,wide).much,even,a little,still,a lot,less+形容形容词比较级词比较级as far as I know

28、as/so far as I can remember/I can tell/I can seeas far as 远至远至合成词合成词man-madeChoose the best answer.1.My brother is _ more outgoing than me.A.many B.little C.much2.October 12th was one of _ days in 2005.Shenzhou-VI was launched(发射发射)successfully.A.exciting B.more exciting C.the most exciting3.Which c

29、ity is _,Beijing,Shanghai or Fuzhou?A.beautiful B.more beautiful C.the most beautiful4._ children there are in a family,_ their life will be.A.The less,the better B.Fewer,richer C.The fewer,the better5.Mobile phones are very popular now and they are _ than before.A.cheap B.cheaper C.the cheapest6.In

30、 our city,its _ in July,but its even _ in August.A.hotter,hottest B.hot,hot C.hot,hotter7.Of the two skirts,the pink one is _.A.the nicest B.the nicer C.nicer8.Jacks handwriting is as _ as Mikes.A.good B.better C.best9.We can do the work better with _ money and _ people.A.little,few B.less,fewer C.f

31、ewer,less10.Jim is the tallest student in our class and Tom is the second _ one.A.tall B.taller C.tallest 1.Lily gets up _(early)than Lucy.2.Which goes _(slowly),Tom or Jim?3.This book is _ (interesting)than that one.earliermore slowly more interesting根据所给词的适当形式填空根据所给词的适当形式填空 4.She works _ (careful)

32、in her school.5.Who goes to bed _(late)Jim,Tom or Jack?6.I think turkey is _ (delicious)of all.the most carefully latestthe most deliciousFinish the sentences with the right forms of the adjs.1.Kate is young,but Joe is _.2.My shoes are new.My sisters are _ than mine.3.Her bag is heavy,and his is _ t

33、han hers.But yours is _ of all.youngernewerheavierthe heaviest4.Toms kite is high.Jims is _ than Toms.Mikes is _ of them all.5.Bill is seven.John is nine and Tom is eleven.Tom is _ than John and Bill.Bill is _ than John.Bill is _ and Tom is _ of the three.the highestolderyoungerthe youngestthe oldes

34、thigher1.The p_ in our hometown is very large.2.We t_ by car every summer.3.We have to make plans to p _ the endangered animals.4.They came to a _(宽阔的宽阔的)river.5.Some _(古老的古老的)towns have walls around them.opulationourrotectwide根据提示完成句子。根据提示完成句子。ancientHomework1.Review the new words and expressions.2

35、.2.发挥想象，连词成文发挥想象，连词成文(50-100字字)。square,meter,population,Asia,tour,tourist,wall,ancient,protect,wide,as far as I know新目新目标标英英语语工作室工作室21世世纪纪教育网名教育网名师师工作室工作室 新目新目标标英英语语工作室作者系中学英工作室作者系中学英语语一一级级教教师师，长长期从事英期从事英语语教学和研究工作，有近教学和研究工作，有近20年一年一线线教学的工教学的工作作经验经验，熟悉所任教教材信息和和熟悉所任教教材信息和和该该学科教改信息，学科教改信息，愿意和广大英愿意和广大英语

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