英语人教版八年级下册第七单元第一课时.ppt

1、,Period 1,Unit 7 Whats the highest mountain in the world?,Section A 1a-2c 海阳二中 余时芳,Our tasks today,Talk about geography and nature Read numbers. Eg: 9,600,000 Comparative and superlative degree 比较级和最高级,New words,square skwe n. 平方；正方形；广场; 面积,meter mi:t(r) (=metre) n. 米；公尺,deep di:p adj.深的；纵深的,Qomolan

2、gma tm,la: m 珠穆朗玛峰,the Nile nal 尼罗河,the Sahara sha:r 撒哈拉沙漠,the Caspian kspn sea 里海（世界最大的咸水湖）,desert dezt n. 沙漠,Our homeland, China.,China has the longest wall, China has the third longest river, China has the river which has the most sand, China is the third biggest country, China has larger populat

3、ion than any other country.,the Great Wall.,the Yangtze River.,the Yellow river.,9,600,000 square kilometers in size.,1,300,000,000,Lets read numbers,2.3 45 165 6,671 600,000 9,600,000 1,300,000,000,two point three,forty-five,one hundred and sixty-five,six thousand six hundred and seventy-one,six hu

4、ndred thousand,nine million six hundred thousand,one billion three hundred million,billion 十亿,million 百万,thousand 千,111,121,435,678 111,121,435,678,one hundred and eleven billion one hundred and twenty-one million four hundred and thirty-five thousand six hundred and seventy-eight,十亿的读法,Read the num

5、ber!,4,698 26,471,904,758 27,644 9,237,586 5.4 176,934,524,456 389 298,503 28,596,738 90,2米长 1米宽 150米高 1125米深 1.5米厚 9,600,000平方公里,two meters long,one meter wide,one hundred and fifty meters high,one thousand one hundred and twenty- five meters deep,one point five meters thick,数词+单位+形容词(long, wide, h

6、igh, deep, thick) 面积：数词+单位+ in size,nine million six hundred thousand square kilometers in size,Lets talk!,What do we learn in a geography class?,geography,Qomolangma,mountain,Qomolangma is the highest mountain in the world.,Its 8,844.43 meters high/in height.,The Nile,river,The Nile is the longest

7、river in the world.,Its 6,671 kilometers long/in length.,the Caspian Sea,salt lake,The Caspian Sea is the deepest salt lake in the world.,Its 1,025 meters deep/ in depth.,The Sahara,desert,The Sahara is the biggest desert in the world.,Whats the size of it?,Its about 9,600,000 square kilometers in s

8、ize.,the Pacific Ocean,ocean,The Caspian Sea is the deepest salt lake in the world.,Its 1,025 meters deep/ in depth.,Geographical facts 地理常识,the longest river,(has) the biggest population,the highest mountain,the biggest country,the biggest desert,the biggest salt lake,the biggest ocean,1. The Nile

9、2. The Amazon River 3. Yangtze River,Russia Canada China,The Sahara,The Caspian Sea,The Pacific Ocean,China,Qomolangma,di:rfkl,Match the facts you know.,1a,Qomolangma The Sahara The Caspian Sea The Nile,about 9,600,000 square kilometers in size 1,025 meters deep 6,671 kilometers long 8,844.43 meters

10、 high,Listen and complete the sentences.,Qomolangma is _ than any other mountain in the world. The Sahara is _ desert in the world. The Caspian Sea is _ of all the salt lakes. The Nile is _ river in the world.,1b,higher,the biggest,the deepest,the longest,Listen and number the facts(1- 4) in the ord

11、er you hear them.,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 the US. _ China is over _ years old. It has a much longer history than the US. Th

12、e US is not even _ years old. _ China is almost as big as the US, but it is the biggest country in Asia.,4,2,1,3,6,300,5,464,5,000,300,2b Listen again and fill in the blanks 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 _ ki

13、lometers 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, and it is the biggest country in Asia.,4,2,1,3,6,

14、300,5,464,5,000,300,比较级,1. My hair is longer than_. 她 2.Theweatherisgetting_and_(warm) 3.The_(old)Iget,the_(weak)I seemtofeel. 4. Qomolangma is higher than any other _ in the world. (山) 5. Its raining, and it is much _. (cold),hers,warmer,warmer,older,weaker,mountain,colder,比较前后一致,比较级 and 比较级：越来越,the 比较级，the 比较级 ：越越,比较级表示最高级,much, a lot, a little, a bit, even + 比较级,最高级,1.Summeris_(hot)seasonoftheyear. 2.TheChangjiangRiverisoneof_intheworld. A.thelongestriver B.longest