英语人教版八年级下册Unit 7 SectionA 1a-1c.ppt

《英语人教版八年级下册Unit 7 SectionA 1a-1c.ppt》由会员分享，可在线阅读，更多相关《英语人教版八年级下册Unit 7 SectionA 1a-1c.ppt（29页珍藏版）》请在淘文阁 - 分享文档赚钱的网站上搜索。

1、Unit 7Whats the highest mountain in the world?（sectionA1a-1c）Can you anwser me two questions?What is the highest mountain in China?What is the longest river in China?Qomolangma is the highest mountain in China.The Yangtze River is the longest river in China.Do you know what the highest mountain is i

2、n the world?Do you know what the longest river is in the world?Qomolangma is the highest mountain in the world.The Nile is the longest river in China.Do you want to know anything else?Lets begin our class!There is a river in the desert.The desert is 200 square kilometers in size.The river is 0.5 met

3、er deep.New words:desert 沙漠 deep 深的 meter 米 square 平方（不可数名词）、广场（可数名词）、正方形（可数名词）9,600,000 1,025 6,671 8,844.43 Can you read the numbers？nine million six hundred thousand one thousand and twenty-fivesix thousand six hundred and seventy-oneeight thousand eight hundred and forty-four point four threeDo

4、you know these places?Qomolangma Qomolangma is the highest mountain in the world.Its 8844.43 meters high.The Nile is the longest river of all the rivers.Its 6,671-kilometer-long.the Nilethe Caspian Sea The Caspian Sea is bigger than any other lake in the world.It is 1,025 meters deep.The Sahara is b

5、igger than the other deserts in the world.It is about 9,600,000 square kilometers in size.the SaharaWhich is the highest mountain in the world?Which is the longest river in the world?1a Match the facts you know.基数词基数词+单位词单位词+形容词表示长宽高形容词表示长宽高1.这堵墙2米宽。The wall is 2 meters wide.2.这条河100千米长。The river is

6、 100 kilometers long.The house is 2 meters in height.The square is 1000 square meters in size.基数词基数词+单位词单位词+in+名词名词(size,length,width,height,depth)表示长表示长宽高宽高。1.这所房子2米高。2.这个广场1000平方米。复合形容词即：基数词复合形容词即：基数词-单位词单位词-形形容词来表示长宽高容词来表示长宽高，常用作定语。，常用作定语。He is a 10-year-old boy.It is 5-meter-deep.1.他是一个10岁的男孩。2.

7、它5米深。He is taller than any other boy in my class.He is taller than the other boys in my class.He is the tallest student of all the students in my class.找规律，总结出表示最高级的三找规律，总结出表示最高级的三种结构。种结构。三种表示最高级的结构：三种表示最高级的结构：1.比较级+than+any other+可数名词单数表示最高级。2.比较级+than+the other+可数名词复数表示最高级。3.the 最高级+可数名词单数+in/of 短

8、语表示最高级。长江是中国最长的河流。长江是中国最长的河流。The Yangtze River is the longest river in China.The Yangtze River is longer than any other river in China.The Yangtze River is longer than the other rivers in China.1b Listen and complete the sentences.1.Qomolangma is _ than any other mountain in the world.2.The Sahara i

9、s _ 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 longest1c Use the information in 1b to make conversations.What is the highest mountain in the world?Qomolangma.What is the biggest desert in the world?The Sahara.Wh

10、at is the deepest salt lake in the world?The Caspian Sea.What is the longest river in the world?The Nile.Exercises1.他们的房子大约有100平方米。Their house is about 100 .square meters2.看！他们正在广场上踢足球。Look!They are playing soccer_.on the square3.这条河大约有两米深。The river_ about two _ .is meters deep4.他有一个十岁大的妹妹。He has a_

11、 sister.10-year-old5.Alice is _(old)of all the girls.the oldest6.China is bigger than _in Asia.A.other country B.any other countries C.any other country D.the other countryC7.The river is about 100 kilometers_.A.long B.width C.length D.sizeA8.这棵树大约有两米高。The tree _ about two _ _.ismetershigh9.这个沙漠的面积有

12、200平方千米。The desert is 200 square kilometers _ _.insize10.Tom is _(tall)student in our class.the tallest11.How to read 4,444,444 in English?_A.Four millions,four hundreds and forty-four thousand,four hundreds and forty-four.B.Four million,four hundred forty-four thousand,four hundred forty-four.C.Fou

13、r,four four four,four four four.D.Four million,four hundred and forty-four thousand,four hundred and forty-four.D12.He runs fastest_all the students.A.to B.of C.at D.withB13.The river near our village is _.Its dangerous to swim in it.A.10 meters deep B.10 meters deep C.10 meters deep D.10 meter deepC14.The Nile is the longest river in the world.(改为同义句)The Nile is _ than _ _ river in the world The Nile is _ than _ _ rivers in the world longeranyotherlongertheother1.Memorize the important phrases and sentences.2.Finish the exercises on the exercise-book.