英語人教版八年級下冊Unit7 SectionA(1a--2d).doc

Unit7 What.s the highest mountain in the world?第一課時Section A 1a2d1.Improve the listening and speaking skills.2.學(xué)習(xí)完成任務(wù)所需要的語言。3.Master some important words and phrases:square,meter,deep,desert,population, Asia,feel free,tour,tourist,wall,amazing,ancient,protect,wide,as far as I know4.學(xué)會含有大數(shù)字的度量結(jié)構(gòu)的表述,并掌握用不同句式表達比較級和最高級。1.熟記短語和相關(guān)詞匯。2.學(xué)習(xí)大數(shù)字的表達。3.比較級和最高級的運用。 1.學(xué)習(xí)并掌握表達物體的長、寬、高、深和面積。正確運用形容詞和副詞的比較級和最高級。2.學(xué)會含有大數(shù)字的度量結(jié)構(gòu)的表述。3.提高聽說技能。本課教學(xué)內(nèi)容是八年級下Unit 7 第一課時,主要通過圖片或視頻引入本單元的教學(xué)話題,使學(xué)生對將要學(xué)習(xí)的知識充滿期待。通過聽力練習(xí)、對話練習(xí),提高學(xué)生的語言實踐能力。任務(wù)重點是最高級的構(gòu)成和四個世界之最,通過讀練,跟著聽力模仿大數(shù)字的讀法,鼓勵學(xué)生多說多練,增強對大自然的探究興趣。www-2-1-cnjy-com設(shè)計教學(xué)PPT,錄音機,圖片,多媒體。Step.Lead in Leading in 【情景1】 Qomolangma the NileT:(Students look at the first picture.) What is it?Ss:Its Qomolangma.T:Where is it? And how high is it?Ss:In China.It is 8,844.43 meters high.T:Please look at the next picture.And how long is the Nile?Ss:It is 6,671 kilometers long.T:Great! This class well talk about the length,height,depth and the area of the nature.Now lets come to 1a.Leading in 【情景2】 T:Hello,boys and girls!Look at the pictures.The first picture is the Yangtze River.The next picture is the Nile.We know the Yangtze River is the longest river in China.Do you know which river is the longest one in the world? Its the Nile.We want to know more about the length,height,depth and the area of the nature.Now lets come to 1a.設(shè)計意圖通過圖片和老師自述的形式,親切、自然地導(dǎo)入新授。Step .PresentationWork on 1a. Qomolangma the Sahara the Caspian Sea the NileT:Boys and girls!Look at the four pictures.Whats the highest mountain in the world?S1:Qomolangma.T:How high is it?S2:Its 8,844.43 meters high.T:Whats the biggest desert in the world?S3:Its the Sahara.Its about 9,600,000 square kilometers in size.T:Whats the deepest salt lake in the world?S4:Its the Caspian Sea.Its 1,025 meters deep.T:Whats the longest river in the world?S5:Its the Nile.Its 6,671 kilometers long.Look at the photos and talk about “How big/high/long is?” and help the students to answer: Itsmeters/kilometers/big/high/long/deep.Practice in pairs using the information in 1a.【Keys】1a:Qomolangma-8,844.43 meters high;The Sahara-about 9,600,000 square kilometers in size;The Caspian Sea-1,025 meters deep;The Nile-6,671 kilometers longStep .While-listening activities (1)Task 1:Listen for the general idea of 1b.The main idea of the conversation is about .?A.QomolangmaB.some geographical facts about the worldC.the NileTask 2:Listen again 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.?The following language point should be explained.教材解讀Qomolangma is higher than any other mountain in the world.?higher than any other mountain比其他任何山都高,any指任何一個,后接單數(shù)名詞。這種比較級形式可以替換為最高級形式,即:形容詞比較級+than any other+單數(shù)名詞=最高級+單數(shù)名詞。原句相當(dāng)于Qomolangma is the highest mountain in the world.。This book is more difficult than any other book here.=This book is the most difficult book here.這些書當(dāng)中這本最難。【拓展】表示最高級的結(jié)構(gòu)還有:形容詞比較級+than the other+復(fù)數(shù)名詞。Asia is bigger than the other continents on the earth.亞洲是地球上最大的洲。Task 3:1c Use the information in 1b to make conversations.Like this:A:Whats the highest mountain in the world?B:Qomolangma.A:What is the biggest desert in the world?B:The Sahara.A:What is the deepest salt lake in the world?B:The Caspian Sea.A:What is the longest river in the world?B:The Nile.【Keys】Task 1:BTask 2:1.higher2.the biggest3.the deepest4.the longest2-1-c-n-j-yStep .While-listening activities (2)Task 1:Listen and find the general idea of 2a&2b.T:Weve learned about some world facts;now we are going to learn about some facts of China.The main idea of the conversation is about .?A.the Yangtze River in ChinaB.the history of ChinaC.some facts about ChinaTask 2:Listen for the specific ideas.1.Listen and number the facts(1- 4) in the order you hear them in 2a.2.Listen again and fill in the blanks in 2a with the numbers in the box.6,3005,0005,464300The Yangtze River is about kilometers long and the Yellow River is 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.Task 3:Make conversations using the information in 2a.For example:A:Did you know that China is one of the oldest countries in the world?B:Yes,I did.Its much older than my country.A:Did you know that the Yangtze River is the longest river in China?B:Yes,I did.Its about 6,300 kilometers long.B:Wow! Thats long!The following language points should be explained.教材解讀1.China has the biggest population in the world.Its a lot bigger than the population of the US.?population意為“人口”,作主語時謂語動詞用單數(shù)。但是“分數(shù)/百分數(shù)+of the population”作主語時,謂語動詞用復(fù)數(shù)。The population of the city is three million.這個城市的人口是三百萬。Three fourths of the population in the city are from other parts of the country.這個城市四分之三的人口來自全國其他地方。Whats the population of China?=How large is the population of China?中國有多少人?【拓展】表示“某地有多少人口”用has a population of或The population of is。The city has a population of about six million.=The population of the city is about six million.這個城市大約有六百萬人口。 a lot bigger大多了,bigger是比較級,前面用a lot修飾。a lot,a little,much,a bit,still,even,far等可以用來修飾形容詞或副詞的比較級,表示程度,起強調(diào)作用。My room is a little smaller than yours.我的房間比你的稍小一點兒。2.China is almost as big as the US,?兩者的同級比較用asas,表示“與一樣”,否定形式為not as/so as,中間應(yīng)接形容詞/副詞的原級,不能用比較級。 Millie is as slim as her cousin.米莉和她的表姐一樣苗條。He is not as/so tall as his father.他不如他父親高。I think English is as important as math.我認為英語與數(shù)學(xué)一樣重要。3.Did you know that China is one of the oldest countries in the world?“one of the +最高級+名詞復(fù)數(shù)”意為“最之一”。He is one of the most famous writers in China.他是中國最著名的作家之一?！綤eys】Task 1:CTask 2:1.4 2 1 32.6,300;5,464;5,000;300Step .Reading and role-play 2dTask 1:Read the conversation and answer the questions.1.Whats the conversation about? 2.How long is the Ming Great Wall?3.What does the guide say about the wall?Task 2:Explain some main points in the conversation.教材解讀1.Feel free to ask me anything on todays Great Wall tour.?feel free是英語口語中一個常用表達。feel free to do sth.表示“無拘束做某事,按照自己的意愿去做某事”。If you have any questions,please feel free to ask me.如果有任何問題,請隨意提問。2.As far as I know,there are no other man-made objects as big as this.?as far as I know是一個固定的表達方式,還可以說so far as I know,意思是“據(jù)我所知”。As far as I know,he will be away for three months.據(jù)我所知,他將離開三個月。man-made人造的,為形容詞性的合成詞。類似的有:good-looking相貌好看的;hard-working勤勞的;well-known著名的;fast-food專門提供快餐服務(wù)的。Task 3:Read the conversation after the teacher.Task 4:Practice the conversation with their partners.Then let some pairs act out the conversation.Task 5:Fill in the blanks.Guide:Feel free me anything todays Great Wall .?Tourist 1:How long is the wall?Guide:Ah,popular question! If were only talking about the from the Ming Dynasty,its about 8,850 kilometers .This makes it the wall in the world.?Tourist 2:Wow,thats ! Why did the emperors the wall?Guide:The main reason was to their part of the country.As you can see,its quite tall and wide.As as I know,there are no other man-made objects as as this.?Tourist 3:Is Badaling of the Ming Great Wall?Guide:Yes,its the most part.?【Keys】Task 1:1.Its about a tour to the Ming Great Wall.2.Its about 8,850 kilometers long.3.Its quite tall and wide./ Its the longest wall in the world.Task 5:to ask,on,tour,the most,parts,long,longest,amazing,ancient,build,protect,far,big,part,famousStep .Exercises:the end-of-class testI用所給詞的適當(dāng)形式填空1.India is one of the (old) countries in Asia.?2.Jacks handwriting is as (good) as Mikes.?3.Whats the (high) mountain in the world? ?4.Please feel free (call) me up any time until half past nine at n