人教版英语八年级下册《Unit 7 Section A 1a-2d》课件

1、Whats the highest mountain in the world? How high is it?Qomolangma is the highest mountain in the world. It is 8,844.43 meters high. Free talkWhat do you know about the following numbers?1,025 meters deepThe Caspian SeaWhat do you know about the following numbers?6,671 kilometers longThe NileWhat do

2、 you know about the following numbers?9,600,000 square kilometers in sizeThe Saharauuuusquare, meter, deep, desert, population, Asia, tour, tourist, wall, ancient, protect, wide Objectivessquare meterdeepdesertpopulationAsia feel 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

3、；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；旅游Words and expressionsLanguage Goal:Talk about geography and natureQomolangma about 9,600,000 square kilometers in sizeThe Sahara 1,025 meters deepThe Caspian Sea 6,671 kilometers longThe Nile 8,844.43 meters high Match the facts you know.1a1. Qomolan

4、gma is_ than any 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.Listen and complete the sentences.higherthe biggestthe deepestthe longest1bUse the information in 1b to make conversations.A: What is

5、the highest mountain in the world? B: Qomolangma.1cA: What is the biggest desert in the world?B: Sahara.A: What is the deepest salt lake in the world?B: Caspian sea.A: What is the longest river in the world?B: Nile.touristwallamazingancientprotectwideas 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

6、的；令人大为惊奇的；令人惊喜的令人惊喜的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Words and expressions_ 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.Listen and number

7、 the facts 1-4 in the order you hear them.242a6,300 5,000 5,464 300_ 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.13_ The Yangtze River is about _ kilometers long and the Y

8、ellow River is _ kilometers long._ China has the biggest population in the world. Its a lot bigger than the population of the US.Listen again and fill in the blank in 2a with the numbers in the box.6,300 5,000 5,464 3002b246,3005,464_ China is over _ years old. It has a much longer history than the

9、US. The US is not even _ years old._ China is almost as big as the US, and it is the biggest country in Asia.135,000300A: Did you know that China is one of the oldest countries in the world?B: Yes, I did. Its much older than my country. Make conversations using theinformation in 2a.2cRole-play the c

10、onversation.2dGuide: 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.Tourist 2: Wow, t

11、hats 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 other man-made objects as big as this.Tourist 3: Is Badaling part of the Ming Great Wall?Guide: Yes, its

12、 the most famous part.Role-play the conversationTourist 1 Tourist 2 Tourist 3 The Great Wall is about 8, 850 kilometers long. This makes it the longest wall in the world. . .1. populationpopulation意为意为“人口数量人口数量”，谓语动词要用，谓语动词要用单数单数形形式。式。询问人口数量询问人口数量时要用时要用“Whats the population of .?”提问，而不用提问，而不用how man

13、y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；表示人口表示人口“少少”要用要用small。 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. 2. 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。英语中像这样与与-made复合而成的形容词还有：复合而

14、成的形容词还有：handmade(手工手工制作的制作的)、homemade (家庭制作的家庭制作的)、machine-made (机制的机制的)等，用以描述产品的生产或制造手等，用以描述产品的生产或制造手段、特点等。段、特点等。这种鱼这种鱼都是自家做的。都是自家做的。 This kind of fish is homemade.3. 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，不在今天的长城游中，大家尽管问我任何问题，不要拘束。要拘束。feel free是英语口语中一个常用表达。若有人让是

15、英语口语中一个常用表达。若有人让你你feel free to do something，就是让你无需拘束，就是让你无需拘束，只管按照自己的意愿去做某事。只管按照自己的意愿去做某事。e.g. A: Can I use your computer? 我可以用一下你的电脑吗？我可以用一下你的电脑吗？B: Yes, feel free.可以，请随意。可以，请随意。4. 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 kno

16、w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，意思是“据我所知据我所知”。As far as I know, China is a very large country.就我所知，就我所知，中国是一个非常中国是一个非常大大的国家的国家。They are very excited, so far as I know.他们特别激动他们特别激动 就我所知是这样的。就我所知是这样的。5. Qomolangma is 8,844.43 meters high. It is meters high (long, wide). 它它米高米高(长长,宽

17、宽)。英语表示英语表示“有多长有多长(宽，高宽，高)”时，一般将时，一般将数词和数量单位放在表示长宽高的形容词前数词和数量单位放在表示长宽高的形容词前作状语。作状语。这座山高三千多米。这座山高三千多米。 The mountain is more than three thousand meters high.它离我们只有三十八万公里。它离我们只有三十八万公里。It is only 380,000 kilometers away.这座绿色长城长这座绿色长城长7,000公里。公里。The Green Great Wall is 7,000 kilometers long.much higher 意

18、为意为“高得多高得多”。在形容比较级前。在形容比较级前还可以用还可以用much, even, a little, still ,a lot, less等修等修饰词表示程度。饰词表示程度。6. Its much older than my country. 比我的国家更古老。比我的国家更古老。他比我跑得更快。他比我跑得更快。He runs even faster 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.7. the Ming Great Wall 明长城明长城“明长城

19、明长城”是指明朝时期为了防御北方游牧民族是指明朝时期为了防御北方游牧民族的骚扰，历时一百多年在北部地区的骚扰，历时一百多年在北部地区 修筑的军事修筑的军事防御工程。这段长城东起辽宁虎山，西至甘肃嘉防御工程。这段长城东起辽宁虎山，西至甘肃嘉峪关，从东向西横贯多个省、峪关，从东向西横贯多个省、 直辖市、自治区，直辖市、自治区，全长约全长约8850千米，是现存历代长城遗迹中最完整、千米，是现存历代长城遗迹中最完整、最坚固的。最坚固的。1. It is meters high (long, wide).2. Whats the population of .?3. much, even, a litt

20、le, still, a lot, less+形容词比较级形容词比较级4. as far as I know as / so far as I can remember / I can tell / I can see as far as 远至远至5. 合成词合成词man-made SummaryEnglish-Chinese square, meter, desert, population, Asia, wallChinese-English 深的；随便；旅行；旅行者；令人大为惊深的；随便；旅行；旅行者；令人大为惊奇的；古代的；保护；宽阔的；就我所知奇的；古代的；保护；宽阔的；就我所知 D

21、ictation1. The Yangtze River is_ river in the world. (第三长河）第三长河）2. The Atlantic is _ ocean in the world. ( 第二大洋）第二大洋）the third longestthe second biggestI. I. 根据提示完成句子。根据提示完成句子。3. Lin Tao is _ in the class because he never gets to school on time. （最懒的学生之一）（最懒的学生之一）4. Edison was _ in the world. (最伟大的发

22、明家之一）最伟大的发明家之一）one of the laziest studentsone of the greatest inventors1. This bike is more expensive than that bike. That bike is _ _ than this bike. That bike is _ _ this bike. That bike is not _ _ _ this bike.less expensivecheaperthanasexpensiveasII. II. 同义句转换。同义句转换。2. I prefer maths to English.

23、I like maths _ English.better than3.He is the tallest student in the class. He is _ in the class.taller than any other studentany other + 名词单数名词单数1. Hainan is a very large Island .It is the second _ island in china. (large)2. Our teacher is as _ as before. (busy).3. He is _ among us. (careful)busyth

24、e most carefullargestIII. III. 完成句子。完成句子。4. Li Lei jumped _ than Jim. (far)5. The busier he is, the _ he feels. (happy)6. I think Mingming is one of _ basketball players in the club. (hot)fartherhappierthe hottestIV. IV. 翻译下列句子。翻译下列句子。1.1.据我所知，他将外出三个月。据我所知，他将外出三个月。 As far as I know hell be away for

25、three months. 2.2.这条河长三百米。这条河长三百米。 This river is 300 meters long.3.3.这个省份的人口有一千万。这个省份的人口有一千万。 The population of this province is ten million.V. V. 写出下列单词的比较级和最高级。写出下列单词的比较级和最高级。1. good2. comfortable3. big4. happy5. cheap6. many7. difficult8. little 1. good 2. comfortable 3. big 4. happy 5. cheap 6.

26、many 7. difficult 8. littlebetter bestmore most bigger biggesthappier happiestcheaper cheapestmore mostmore most less least1. Lily gets up _ (early) than Lucy. 2. Which goes _ (slowly), Tom or Jim?3. This book is _ (interesting) than that one.earliermore slowly more interestingVI. VI. 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) in her school.5. Who goes to bed _(late), Jim, Tom or Jack?6. I think turkey is _ (delicious) of all. the most carefullylatestthe most deliciousU7 S - Shanghai is one of _ in the