公开课八年级下册英语第七单元第一课时ppt课件.ppt

Our tasks today,Talk about geography and nature Read numbers. Eg: 9,600,000Comparative and superlative degree 比较级和最高级,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 population than any other country.,the Great Wall.,the Yangtze River.,the Yellow river.,9,600,000 square kilometers in size.,1,300,000,000,Period 1,Unit 7 Whats the highest mountain in the world?,Lets talk!,What do we learn in a geography class?,geography,Qomolangma,mountain,The Nile,river,the Caspian Sea,salt lake,The Sahara,desert,the Pacific Ocean,ocean,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,the biggest continent,1. The Nile2. The Amazon River3. Yangtze River,Russia Canada China,The Sahara,The Caspian Sea,Asia,The Pacific Ocean,China,Qomolangma,di:rfkl,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,the biggest continent,- Whats the longest river in the world? - The Nile.,Pair work,8,844 meters high,6,671 kilometers long,1,025 meters deep,9,600,000 square kilometers in size,Qomolangma,the Caspian Sea,The Sahara,The Nile,Lets read numbers,2.3451656,671600,0009,600,0001,300,000,000,two point three,forty-five,one hundred and sixty-five,six thousand six hundred and seventy-one,six hundred thousand,nine million six hundred thousand,one billion three hundred million,billion十亿,million百万,thousand 千,111,121,435,678111,121,435,678,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 number!,4,69826,471,904,75827,6449,237,5865.4176,934,524,456389298,50328,596,73890,Group work:Write down some numbers and ask your group mates to read it .No.1-No.4No.2-No.3,2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, high, deep, thick)面积：数词+单位+ in size,nine million six hundred thousand square kilometers in size,1b Listen and complete the sentences.,1. Qomolangma 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.,higher,the biggest,the deepest,the longest,any other + n 单数,比较级,1. My hair is longer than_. 她2.Theweatherisgetting_and_(warm)3.The_(old)Iget,the_(weak)Iseemtofeel.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.longestriversC.thelongestrivers D.longerrivers3. The Yangtze River is _ river in the world . (第三长),the hottest,C,the third longest,双写加er, est：hot, big, wet, thin, fat,最之一one of the 最高级+ n复数,第几长, 高, 宽 the + 序数词 +最高级,