英语人教版八年级下册Unit7SectionA1a2d.pptx

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1、mountainsseagreen land deserts 沙漠第1页/共42页（Lets go travelling）Travel around the world第2页/共42页行程一：行程一：First,lets go abord(出国）出国）Lets travel around the world.第3页/共42页 The Sahara is the biggest desert in the world.Its about 9,600,000 square kilometers平方公里 in size.It is located in坐落在 the northern Africa非

2、洲北部,climate klamt conditions 气候条件are very bad.TheSaharash:r 撒哈拉沙漠square 平方；广场 eg:Tianan Men Square 第4页/共42页TheCaspianSeakspin里海 The Caspian Sea is the deepest lake of all the salt lakes所有的咸水湖中 in the world.Its 1,025 meters deep 深.It lies in 位于the border边界 between Asia亚洲 and Europe欧洲.第5页/共42页 The Nil

3、e is the longest river in the world.Its about 6,671 kilometers long.It is in Africa 非洲and runs into注入 the Mediterranean medit reinjn Sea(地中海)in the end.The Nile nal 尼罗河第6页/共42页 Qomolangmatumu l:m珠穆朗玛峰 Qomolangma runs along the border边界 between China and Nepal尼泊尔.It is covered with snow all the year

4、round.Its 8,844.43 meters high.Its the highest mountain in the world.Its 26 kilometers long.zxxk第7页/共42页第8页/共42页第9页/共42页第10页/共42页第11页/共42页Question time:36，500,435,478 billion十亿）million百万thousand 千Can you read these numbers?8,844.43 6,671 1,025 9,600,000千位及千位以上数字的表达：以三位数为一个单位，每三以三位数为一个单位，每三位数用位数用“，”隔

5、开隔开第12页/共42页1aMatch 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 high第13页/共42页1bListen and complete the sentences.1.Qomolangma is _ than any other mountain in the world.2.The Sahara is _

6、desert in the world.3.The Caspian Sea is _ of all the salt lakes.4.The Nile is _ river in the world.higherthe biggestthe deepestthe longestListening skills:before listening,read and try to predict(预测）.第14页/共42页观察与思考观察与思考14 years old8,844 meters high 9,600,000 square kilometers in size 1,025 meters d

7、eep6,300 kilometers long第15页/共42页Fill in the blanks.1.这张桌子两米长，一米宽。and _2.这座山有1500米高。3.这栋楼120米高。4.这本字典有五厘米厚。5.这个湖有多深？125米深。The table is _The mountain is_The building is _The dictionary is_centimeters_ is the lake?Its _two meters long one meter wide.1,500 meters high.120 meters tall.five thick.How dee

8、p125 meters deep.第16页/共42页 like this:A:Which place do you like best?B:A:Why do you like it?B:Because its in the world.1C Pairworkthe Sahara-the biggest desertthe Caspian Sea-the deepest salt lakethe Nile-the longest riverQomolangma-the highest mountain第17页/共42页行程二：行程二：Now lets come back to our mothe

9、rland-ChinaChina has a long history,its over 5,000 years old.The Yangtze River长江 and the Yellow River are important to us.第18页/共42页population n.人口 Asia n.亚洲Asian adj.亚洲的 亚洲人（的）形容人口数量多或少时用big/large/small，对人口数提问时用“what”,如：Whats the population of China?第19页/共42页Mike is from the USA,he wants to know a l

10、ot more about China.Listening skills:Read and try to catch the main words.2a Listen and number the facts1-4 in the order you hear them.第20页/共42页_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

11、 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 in Asia.2a Listen and number the facts1-4 in the order you hear them.1432第21页/共42页2b:Look at these numbers an

12、d try to read them.6,300 5,000 5,464300six thousand three hundredfive thousand four hundred and sixty-fourfive thoudsandthree hundred第22页/共42页Listening skills:read and try to predict(预测）before listening.2b Listen again and fill in the blanks in 2a with the numbers in the box.第23页/共42页2b Listen again

13、 and fill in the blanks in 2a with the numbers in the box.4 The Yangtze River is about _ kilometers long and the Yellow River is _kilometers long.2 China has the biggest population in the world.Its a lot bigger than the population of the US.1 China is over _ years old.It has a much longer history th

14、an the US.The US is not even _ years old.3 China is almost as big as the US,but it is the biggest country in Asia.6,3005,4645,0003006,300 5,000 5,464 300第24页/共42页2c:Pairwork:Use the information in 2a.Like this:A:Did you know that China is one of the oldest countries in the world?Mike:Yes,its much ol

15、der than my country.第25页/共42页Mike:Hi,Im Mike.Im from the United states.Boy:Welcome to our class,Mike.Were happy to meet you.Mike:Can you tell me a bit more about China?Girl:Sure!Did you know that China is one of the oldest countries in the world?Mike:Yes,I did.Its much older than my country-in fact,

16、the United States is one of the youngest countries in tne world.Its not even 300 years old.Boy:And China has the largest population,too.Its a lot bigger than the population of the United States.Mike:But China is about the same size as the US,right?Girl:Yes,and its the biggest country in Asia.We also

17、 have some famous rivers.The Yangtze River is the longest river in Asia.Its about 6,300 kilometers long.Mike:Wow,I didnt know that.I thought the Yellow River was longer.Boy:No,the Yellow River is 5,400 kilometers long.But both rivers are very important to China.Groupwork第26页/共42页 Groupwork:A survey小

18、组内讨论谁最高、最矮、最细心、最懒、最活跃并找一人汇报。NameThe tallestThe most carefulThe shortestThe most outgoing Report:In our group,is the But is the 第27页/共42页 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大关口，北京境内的长城有600余公里，比较著名的有八达岭长城、金山岭长城、司马台长城、慕田峪长城、居庸关长城和箭扣长城等。The Great Wall 第28页/共42页Whats the conversation about?Its ab

19、out a tour to the Ming Great Wall.第29页/共42页1.Which is the biggest man-made objects in the world？2.Which is the most famous part of the Ming Great Wall?3.How long is the Ming Great Wall?4.What does the guide say about the wall?第30页/共42页1.Which is the biggest man-made objects in the world？2.Which is t

20、he most famous part of the Ming Great Wall?The Great Wall.Badaling.第31页/共42页3.How long is the Ming Great Wall?4.What does the guide say about the wall?Its about 8,850 kilometers long.Its quite tall and wide.Its the longest wall in the world.The ancient emperors built it to protect their parts of the

21、 country.There are no man-made objects as big as this.Badaling is the most famous part of the Ming Great Wall.第32页/共42页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，不要拘束。feel free 不要拘束。feel free to do something,无需拘束做某事e.g.A:Can I use your bathroom?我可以用一下你的卫生间吗？B:Yes,fe

22、el free.可以，请随意。Language points第33页/共42页2.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。as far as I know 是一个固定的表达方式，还可以说so far as I know，意思是“据我所知”。例如：As far as I know,Jacks got twin sisters.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 就我所知是这样的。第3

23、4页/共42页I.单项选择1.My brother is _ more outgoing than me.A.many B.little C.much2.October 12th was one of _ days in 2008.Shenzhou-VII was launched(发射）successfully.A.exciting B.more exciting C.the most exciting3.Which city is _,Beijing,Shanghai or Fuzhou?A.beautiful B.more beautiful C.the most beautifulPr

24、actice makes perfectPractice makes perfect第35页/共42页 4.Mobile phones are very popular now and they are _ than before.A.cheap B.cheaper C.the cheapest5.In our city,its _ in July,but its even _ in August.A.hotter；hottest B.hot；hot C.hot；hotter6.Jacks handwriting is as _ as Mikes.A.good B.better C.best7

25、.Jim is the tallest student in our class and Tom is the second _ one.A.tall B.taller C.tallest第36页/共42页geography nature listening skillskey phrases 比较级、最高级用法key words Summary第37页/共42页Where are we going幸福之旅第一季就要结束了，do you want to travel again?OK,Lets go on.第38页/共42页The beautiful earth is our homeland,we should protect(保保护护)it.第39页/共42页We should try our best to protect the earth,from now,from little things,to make our home more and more beautiful,come on!第40页/共42页第41页/共42页感谢您的观看！第42页/共42页