英語人教版八年級下冊unit7教案

1、課/時/教/學/詳/案第一課時 Section A 1a 2d國整體設.| 卜工教學目標1.1 mprove the listening and speaking skills.2 .學習完成任務所需要的語言。3 .Master someimportant words and phrases:square,meter,deep,desert,population,Asia,feel free,tour,tourist,wall,amazing,ancient,protect,wide,as far as I know4 .學會含有大數(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。教學

2、內(nèi)容1 .熟記短語和相關(guān)詞匯。2 .學習大數(shù)字的表達。3 .比較級和最高級的運用。教學重難點1 .學習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 .學會含有大數(shù)字的度量結(jié)構(gòu)的表述。3 .提高聽說技能。X教學思路本課教學內(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話題，使學生對將要學習的知識充滿期待。通過聽力練習、對話練習，提高學生的語言實踐能力。任務重點是最高級的構(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，鼓勵學生多說多練，增強對大自然的探究興趣。，教學準備設計教學PPT,錄音機，圖片，多媒體。國教學過程Step I

3、.Lead inQomolangmathe Nile(Students look at the first picture.) What is it?Ss:It ' s 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 classwe' ll talk ab

4、out the length,height,depth and the area ofthe nature.Now let ' s come to 1a.設計意圖用圖片調(diào)動學生情感，激發(fā)學生思考，直接導入新授。Step n .PresentationWork on 1a.Qomolangmathe Saharathe Nilethe Caspian SeaT:Boys and girls!Look at the four pictures.What ' s the highest mountain in the world?S1:Qomolangma.T:How high is

5、 it?S2:It ' s 8,844.43 meters high.T:What' s the biggest desert in the world?S3:It ' s the Sahara.It ' s about 9,600,000 square kilometers in size.T:What' s the deepest salt lake in the world?S4:It ' s the Caspian Sea.It ' s 1,025 meters deep.T:What' s the longest riv

6、er in the world?S5:It ' s the Nile.It ' s 6,671 kilometers long.Look at the photos and talk about “Howbig/high/long is ?” and help the students to answer: It ' s meters/kilometers/ big/high/long/deep.Practice in pairs using the information in 1a.【Keys】 1a:Qomolangma-8,844.43 meters high;

7、The Sahara-about 9,600,000 square kilometers in size;The Caspian Sea-1,025 meters deep;The Nile-6,671 kilometers long設計意圖通過對話交流的形式引出要點句型：一What' s thehighest/deepest/biggest/longest in the world? It ' s meters/kilometers/ big/high/long/deep.完成聽力前的準備活動。Step m.While -listening activities Task 1

8、: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

9、 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。原句相當于Qomolangma is th

10、ehighest 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 conversati

11、ons.Like this:A:What' s 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:B Task 2:1.higher 2.the biggest 3.the deep

12、est 4.thelongest設計意圖通過初聽培養(yǎng)學生聽取大意的能力，而細聽主要是培養(yǎng)學生聽細節(jié)、聽重點的能力，聽后的交際練習達到了語言輸出的目的。Step IV .While -listening activities (2)Task 1:Listen and find the general idea of 2a&2b.T:We' ve learned about some world facts;now we are going to learn about somefacts of China.The main idea of the conversation is

13、aboutA.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 ab

14、out kilometers long and the Yellow River is kilometers long.China has the biggest population in theworld.It ' s a lot bigger than thepopulation of the US.China is over years old.It has a much longer history than the US.TheUS is not even years old.China is almost as big as the US,and it is the bi

15、ggest 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.It ' s much older than my country.A:Did you know that the Yangtze River is the longest river in China?B:Yes,I did.It ' s a

16、bout 6,300 kilometers long.B:Wow! That' s long!The following language points should be explained.教材解讀1.China has the biggest population in theworld.It ' s a 10t bigger than thepopulation 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 thepopulation ”作主語時，謂語動詞用復數(shù)。The population of the

17、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。What' s 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 ofis 。The city has a population

18、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 as as,

19、表示“與一樣"，否定形式為not as/so as,中間應接形容詞/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+名詞復數(shù)”意為"最之一”。H

20、e 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:C Task 2:1.4 2 1 32.6,300;5,464;5,000;300設計意圖本部分的內(nèi)容幫助學生聽出對話的大意再去完成后面對應的細節(jié)題，最后是培養(yǎng)語言交際能力。Step V .Reading and role-play 2dTask 1:Read the conversation and answer the questions.1 .What' s the conversation about?2 .How long is the

21、 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 ontoday ' s 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

22、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

23、務的。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 today' s Great Wall .Tourist 1:How long is the wall?Guide:Ah, popular question! Ifwe' re o

24、nly talking about the from the Ming Dynasty,it ' s about 8,850 kilometers .This makes it the _ wall in the world.Tourist 2:Wow,that ' s ! Why did the emperors the wall?Guide:The main reason was to their part of the country.As you can see,it ' s quite tall and wide.Asas I know,there are n

25、o other man-madeobjects asas this.Tourist 3:Is Badalingof the Ming Great Wall?Guide:Yes,it ' s the most part.【Keys】Task 1:1.It ' s about a tour to the Ming Great Wall.2.It ' s about8,850 kilometers long. 3.It ' s quite tall and wide./ It ' s the longest wall in the world. Task 5:to ask,on,tour,the most,parts,long,longest,amazing,ancient,build,protect,far,big,part,famous設計意圖首先讀對話，回答任務題，加深對對話的理解，教師講解要點，學生練，在閱讀、會話交流的語言實踐過程中將綜合運用語言的能力提高到一個新的、更高的層次；其次,通過對對話的挖空填空，進一步對對話有了更深的理解，增強了學生的交際能力和運用知識的能力。Step VI .Exercises:the end-of-cl