公开课八年级下册英语第七单元第一课时教程文件.ppt

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1、公开课八年级下册英语第公开课八年级下册英语第七单元第一课时七单元第一课时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.9,60

2、0,000 square kilometers in size.1,300,000,000Period 1 Unit 7 Whats the highest mountain in the world?Lets talk!What do we learn in a geography class?geographyQomolangma mountainThe Nile riverthe Caspian Sea salt lakeThe Sahara desertthe Pacific OceanoceanGeographical facts地理常识地理常识the longest river(h

3、as)the biggest populationthe highest mountainthe biggest countrythe biggest desertthe biggest salt lake the biggest oceanthe biggest continent1.The Nile2.The Amazon River3.Yangtze River1.Russia 2.Canada 3.China The SaharaThe Caspian SeaAsia The Pacific Ocean ChinaQomolangmadi:rfkl8,844 meters high6,

4、671 kilometers long1,025 meters deep9,600,000 square kilometers in sizeQomolangma the Caspian Sea The Sahara The Nile Lets read numbers2.3451656,671600,0009,600,0001,300,000,000two point threeforty-fiveone hundred and sixty-fivesix thousand six hundred and seventy-onesix hundred thousandnine million

5、 six hundred thousandone billion three hundred millionbillion十亿十亿million百万百万thousand 千千111,121,435,678111,121,435,678billionmillionthousandone hundred and eleven billion one hundred and twenty-one million four hundred and thirty-five thousand six hundred and seventy-eight十亿的读法十亿的读法Read the number!4,

6、69826,471,904,75827,6449,237,5865.4176,934,524,456389298,50328,596,73890Group work:Write down some numbers and ask your group mates to read it.No.1-No.4No.2-No.32米长米长1米宽米宽150米高米高1125米深米深1.5米厚米厚9,600,000平方公里平方公里two meters longone meter wideone hundred and fifty meters highone thousand one hundred and

7、 twenty-five meters deep one point five meters thick数词数词+单位单位+形容词形容词(long,wide,high,deep,thick)面积：数词面积：数词+单位单位+in sizenine million six hundred thousand square kilometers in size1b Listen and complete the sentences.1.Qomolangma is _ than any other mountain in the world.2.The Sahara is _ desert in the

8、 world.3.The Caspian Sea is _ of all the salt lakes.4.The Nile is _ river in the world.higherthe biggestthe deepestthe longestany other+n any other+n 单数单数比较级比较级1.My hair is longer than_.她她2.Theweatherisgetting_and_(warm)3.The_(old)Iget,the_(weak)Iseemtofeel.4.Qomolangma is higher than any other _ in

9、 the world.(山山)5.Its raining,and it is much _.(cold)herswarmerwarmerolderweakermountaincolder比较前后一致比较前后一致比较级比较级 and 比较级：越来越比较级：越来越the 比较级，比较级，the 比较级比较级：越：越越越比较级表示最高级比较级表示最高级much,a lot,a little,a bit,even+比较比较级级最高级最高级1.Summeris_(hot)seasonoftheyear.2.TheChangjiangRiverisoneof_intheworld.A.thelongestriver B.longestriversC.thelongestrivers D.longerrivers3.The Yangtze River is _ river in the world.(第三长第三长)the hottestCthe third longest 双写加双写加er,est：hot,big,wet,thin,fat最最之一之一one of the 最高级最高级+n复数复数第几长第几长,高高,宽宽 the+序数词序数词+最高级最高级