公开课课件八下unit7 1a-2c.ppt

1、Unit 7 Whats the highest mountain in the world?,东坡二中 李媛媛,Section A 1 1a2c,Lets visit special beauty of the nature,the highest mountain,Qomolangma,8,844.43 meters high,9,600,000 square kilometers in size,the Sahara,the biggest desert,6,671 kilometers long,the Nile,the longest river,1,025 meters deep,

2、the deepest salt lake,the Caspian Sea,Read large numbers,25 464 671,twenty-five,four hundred and sixty-four,six hundred and seventy-one,1,000 31,025 600,000,one thousand thirty-one thousand and twenty-five six hundred thousand,Read large numbers,1,000,000 69,203,780,one million,Read large numbers,si

3、xty-nine million two hundred and three thousand seven hundred and eighty,169,800,458 million,Read large numbers,one hundred and sixty-nine million eight hundred thousand four hundred and fifty-eight,thousand,0 . 1 3 . 14 54 . 54,zero point one three point one four fifty-four point five four,point,Re

4、ad small numbers,Can you read these numbers?,eight thousand eight hundred and forty-four point four three,9,600,000,nine million six hundred thousand,6,671,six thousand six hundred and seventy-one,1,025,one thousand and twenty-five,1a Match the facts you know.,1b.Listen for the first time and answer

5、 the questions.,1.How many places have you heard? 2.What are they?,Four places,Qomolangma the Sahara the Caspian Sea the Nile,1b listen for the second time and fill in the blanks.,1. Qomolangma is _ than any other mountain in the world. 2. The Sahara is _ desert in the world. 3. The Caspian Sea is _

6、 of all the salt lakes. 4. The Nile is _ river in the world.,higher,the biggest,the deepest,the longest,the highest mountain,1c. Use the information in1a&1b to make conversations with your partners.,A:- What is the . in the world? B:- . . A:- How . is it? B:- Its .,9,600,000 6,671 8,844.43 1,025,Is

7、the Sahara about as big as China?,the Sahara,China,How big is the Sahara?,Its about 9,600,000 square kilometers in size.,Who knows more about our country?,history,population,river,size,the Ming Great Wall,Listen and finish 2a&2b,_The Yangtze River is about _ kilometers long and the Yellow River is _

8、 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, and it is the biggest country in Asia.,6,300 5,00

9、0 5,464 300,6,300,5,464,5,000,300,4,2,1,3,history:,population:,river:,size:,China is _the oldest countries in the world. The US is one of_ countries in the world.,The population of China is _ bigger than that of the US.,China is about _ size _ the US, and its _ country in Asia.,The Yangtze River is

10、_river in Asia, its _than the Yellow River. _ rivers are important to China.,Listen for the third time and fill in the blanks.,one of,the youngest,a lot,the longest,longer,the same,as,the biggest,Both,History China is over. .old. Its one of . .in the world. It has a . .history than the US. Populatio

11、n China has . .in the world. Its . .than the population of the US. Size China is almost . . the US, and its . . country in . River The Yangtze River is . .in Asia. Its 6,300. . The Yellow River is 5,464. .,2c. Group work.(Make conversations using the following information. You can add more.),1.撒哈拉沙漠

12、大约9,600,000平方公里，比其他任何一个沙漠都大。 The Sahara is about 9,600,000 _ _ _ _. Its _ than _ _ desert. 2.中国是世界上人口最多的国家。 China has _ _ _ in the world 3.中国差不多跟美国一样大，但中国的历史比美国悠久得多。 China is almost _ _ _the US. But it has a _ _ history than the US. 4.中国是世界上最古老的国家之一。 China is _ _ _ _ _ in the world. 5.长江是亚洲最长的河流。全长6,300千米。 The Yangtze River is _ _ river in _. Its 6,300 kilometers _.,Sum-up exercise: Translate the following sentences.,square kilometers in size,any other,the bigges