公開課八年級(jí)下冊(cè)英語第七單元第一課時(shí)

1、Our tasks today1.Talk about geography and nature2. Read numbers. Eg: 9,600,0003.Comparative and superlative degree 比較級(jí)和最高級(jí)比較級(jí)和最高級(jí) 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

2、has larger population than any other country. the Great Wall.the Yangtze River.the Yellow river.9,600,000 square kilometers in size.1,300,000,000Period 1 Unit 7 Whats the highest mountain in the world?Lets talk! What do we learn in a geography class?geographyQomolangma mountainThe Nile riverthe Casp

3、ian Sea salt lakeThe Sahara desertthe Pacific OceanoceanGeographical facts地理常識(shí)地理常識(shí)the longest river(has) the biggest the highest mountainthe biggest countrythe biggest desertthe biggest salt lake the biggest oceanthe biggest 1. The Nile2. The Amazon River3. Yangtze River1.Russia 2.Canada 3.China The

4、 SaharaThe Caspian SeaAsia The Pacific Ocean ChinaQomolangmadi:rfklGeographical facts地理常識(shí)地理常識(shí)the longest riverhas the biggest populationthe highest mountainthe biggest countrythe biggest desertthe biggest salt lake the biggest oceanthe biggest continent- Whats the longest river in the world? - The N

5、ile.Pair work8,844 meters high6,671 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-one

6、six hundred thousandnine million six hundred thousandone billion three hundred millionbillion十億十億million百萬百萬thousand 千千111,121,435,678111,121,435,678billion millionthousandone hundred and eleven billion one hundred and twenty-one million four hundred and thirty-five thousand six hundred and seventy-

7、eight十億的讀法十億的讀法Read the number! 4,698 26,471,904,758 27,644 9,237,586 5.4 176,934,524,456 389 298,503 28,596,738 90Group work:Write down some numbers and ask your group mates to read it .No.1-No.4No.2-No.32米長(zhǎng)米長(zhǎng)1米寬米寬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 f

8、ifty meters highone thousand one hundred and twenty- five meters deep one point five meters thick數(shù)詞數(shù)詞+單位單位+形容詞形容詞(long, wide, high, deep, thick)面積：數(shù)詞面積：數(shù)詞+單位單位+ in sizenine million six hundred thousand square kilometers in size1b Listen and complete the sentences.1. Qomolangma is _ than any other mo

9、untain 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.higherthe biggestthe deepestthe longestany other + n any other + n 單數(shù)單數(shù)比較級(jí)比較級(jí)1. My hair is longer than_. 她她2.Theweatherisgetting_and_(warm)3.The_(old)Iget,the

10、_(weak)Iseemtofeel.4. Qomolangma is higher than any other _ in the world. (山山) 5. Its raining, and it is much _. (cold)herswarmerwarmerolderweakermountaincolder比較前后一致比較前后一致比較級(jí)比較級(jí) and 比較級(jí)：越來越比較級(jí)：越來越the 比較級(jí)，比較級(jí)，the 比較級(jí)比較級(jí) ：越：越越越比較級(jí)表示最高級(jí)比較級(jí)表示最高級(jí)much, a lot, a little, a bit, even + 比較比較級(jí)級(jí)最高級(jí)最高級(jí)1.Summeris_(hot)seasonoftheyear.2.TheChangjiangRiverisoneof_intheworld.A.thelongestriver B.longestriversC.thelongestrivers D.longerrivers3. The Yangtze River is