英语人教版八年级下册U7 Section A.ppt

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1、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；宽阔的宽的；宽阔的How to read the numbers642641,26414,4562,140,4560.424.642,140,456.64从右往左，每满三个数字要加一个逗号从右往左，每满三个数字要加一个逗号第一个逗号，可记作第一个逗号，可记作

2、 thousand第二个逗号，可记作第二个逗号，可记作million小数点读作小数点读作 point小数点后的数字，按个位基数词依次读出小数点后的数字，按个位基数词依次读出How to read the numbers8,844.436,6711,0259,600,0006,3005,464Do you know these interesting places?Qomolangma Qomolangma runs along the border between China and Nepal(尼泊尔尼泊尔).It is covered with snow all the year roun

3、d.How high is Qomolangma?Its 8844.43 meters high.It is the highest in the world.Height:8,844.43 meters The Nile(尼罗河尼罗河)runs through 9 countries,its one of the largest river flows through the international states in the world and runs into the Mediterranean Sea(地中海地中海)in the end.Its the longest river

4、 in the world.the NileHow long is the Neil?Its 6,671 kilometers long.length:6,671 kilometersthe Caspian Sea 里海里海 The Caspian Sea is the biggest lake in the world.It lies in the border between Asia and Europe.How deep is the Caspian Sea?Its 1,025 meters deep.depth:1,025 meters The Sahara(撒哈拉沙漠撒哈拉沙漠)i

5、s the biggest desert in the world.It is located in the northern Africa.Climate conditions are very bad.the SaharaHow big is the Shara?Its about 9,600,000 square kilometers in size.area:about 9,600,000 square kilometersWhat is the highest mountain in the world?What is the longest river in Asia?.What

6、is the highest mountain in the world?Qomolangma.How high is Qomolangma?Its 8,844.43 meters high.What is the longest river/deepest lake/biggest desert in the world?.How long/deep/big is?Its long/deep/in size.1a Match the facts you know.Qomolangma about 9,600,000 square kilometers in sizeThe Sahara1,0

7、25 meters deepThe Caspian Sea6,671 kilometers longThe Nile8,844.43 meters highPractice in pairs like this:A:What is the in the?B:8,844 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

8、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 size.How big is the Sahara?Its about 8,000,000 square kilometers in size.1b Listen and complete the sentences.1.Qomolangma is _ than any other mountain in the world.2.The Sah

9、ara is _ 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 longest1c Use the information in 1b to make conversations.What is the highest mountain in the world?Qomolangma.6,300 5,000 5,464 300Can you compare the numbers

10、?Which is the biggest number?6,300 is the biggest number.Which is the smallest number?300 is the smallest number.6,300 is a lot _ _ 300.bigger than5,000 is almost _ _ _ 5,464.as big as2a 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 _ ki

11、lometers 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

12、biggest country in Asia.42132b Listen again and fill in the blanks in 2a with the numbers in the box.6,300 5,000 5,464 300_ 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 t

13、he US.6,3005,464_ 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.5,0003002c Make conversations using the information in 2a.A:Did you know that China is one of the oldest countr

14、ies 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 meters long.B:Wow!Thats long!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，

15、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 Wall 2d Read the conversation and answer the questions: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.1.Feel

16、 free to ask me anything on todays Great Wall tour.在今天的长城游中，大家尽管问我任何在今天的长城游中，大家尽管问我任何问题，不要拘束。问题，不要拘束。feel free是英语口语中一个常用表达是英语口语中一个常用表达。若有人让你若有人让你feel free to do something，就是就是让你无需拘束，只管按照自己的意让你无需拘束，只管按照自己的意愿去做某事。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

17、随意。as far as I know是一个固定的表达方是一个固定的表达方式，还可以说式，还可以说so far as I know，意思，意思是是“据我所知据我所知”。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据我所知，再没有像它这样大的人造物体了。物体了。e.g.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 kn

18、ow.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。feel freethe most popular questiontalk about the Ming Dynastythe ancient emperorsthe main reasonas far as I knowthe Ming Great WallHow long is the wall?Its about 8,850 kilometers long.This makes it the longest wall in the world.Its the most famous part.A:To memorize the important phrases and sentences.B:To make some dialogues about asking the size of objects.