英语人教版八年级下册unit7教案

1、课/时/教/学/详/案第一课时 Section A 1a 2d国整体设.| 卜工教学目标1.1 mprove the listening and speaking skills.2 .学习完成任务所需要的语言。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 .学会含有大数字的度量结构的表述，并掌握用不同句式表达比较级和最高级。教学

2、内容1 .熟记短语和相关词汇。2 .学习大数字的表达。3 .比较级和最高级的运用。教学重难点1 .学习并掌握表达物体的长、宽、高、深和面积。正确运用形容词和副词的比较级和最高级。2 .学会含有大数字的度量结构的表述。3 .提高听说技能。X教学思路本课教学内容是八年级下 Unit 7第一课时，主要通过图片或视频引入本单元的教学话题，使学生对将要学习的知识充满期待。通过听力练习、对话练习，提高学生的语言实践能力。任务重点是最高级的构成和四个世界之最，通过读练，跟着听力模仿大数字的读法，鼓励学生多说多练，增强对大自然的探究兴趣。，教学准备设计教学PPT,录音机，图片，多媒体。国教学过程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.设计意图用图片调动学生情感，激发学生思考，直接导入新授。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设计意图通过对话交流的形式引出要点句型：一What' s thehighest/deepest/biggest/longest in the world? It ' s meters/kilometers/ big/high/long/deep.完成听力前的准备活动。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.教材解读Qomolangma is higher than any other mountain in the world.higher than any other mountain比其他任何山都高,any指任何一个，后接单数名词。这种比较级形式可以替换为最高级形式，即：形容词比较级+than any other+单数名词=最高级+单数名词。原句相当于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.这些书当中这本最难。【拓展】表示最高级的结构还有：形容词比较级+than the other+复数名词。Asia is bigger than the other continents on the earth.亚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设计意图通过初听培养学生听取大意的能力，而细听主要是培养学生听细节、听重点的能力，听后的交际练习达到了语言输出的目的。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.教材解读1.China has the biggest population in theworld.It ' s a 10t bigger than thepopulation of the US. population 意为“人口”，作主语时谓语动词用单数。但是“分数 /百分数+of thepopulation ”作主语时，谓语动词用复数。The population of the

17、city is three million.这个城市的人口是三百万。Three fourths of the population in the city are from other parts of the country.这个城市四分之三的人口来自全国其他地方。What' s the population of China?=How large is the population of China?中国有多少人？【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.这个城市大约有六百万人口。 a lot bigger 大多了，bigger 是比较级，前面用 a lot 修饰。a lot,a little,much,a bit,still,even,far 等可以用来修饰形容词或副词的比较级 ，表示程度，起强调作用。My room is a little smaller than yours.我的房间比你的稍小一点儿。2 .China is almost as big as the US,两者的同级比较用 as as,

19、表示“与一样"，否定形式为not as/so as,中间应接形容词/副词的原级，不能用比较级。Millie is as slim as her cousin.米莉和她的表姐一样苗条。He is not as/so tall as his father.他不如他父亲高。I think English is as important as math.我认为英语与数学一样重要。3 .Did you know that China is one of the oldest countries in the world?“one of the + 最高级+名词复数”意为"最之一”。H

20、e is one of the most famous writers in China.他是中国最著名的作家之一。【Keys Task 1:C Task 2:1.4 2 1 32.6,300;5,464;5,000;300设计意图本部分的内容帮助学生听出对话的大意再去完成后面对应的细节题，最后是培养语言交际能力。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.教材解读1 .Feel free to ask me anything ontoday ' s Great Wall tour.feel free是英语口语中一个常用表达。feel free to do sth.表示“无拘束做某事，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、任何问题 ,请随意提问。2 .As far as I know,there are no other man-made objects as big as this. as far as I know是一个固定的表达方式，还可以说so far as I know, 意思是“据我所知”。As far as I know,he will be away for three months.据我所知，他将离开三个月。 man-made人造的，为形容词性的合成词。类似的有：good-looking相貌好看的;hard-working 勤劳的;well-known 著名的;fast-food专门提供快餐服

23、务的。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设计意图首先读对话，回答任务题，加深对对话的理解，教师讲解要点，学生练，在阅读、会话交流的语言实践过程中将综合运用语言的能力提高到一个新的、更高的层次；其次,通过对对话的挖空填空，进一步对对话有了更深的理解，增强了学生的交际能力和运用知识的能力。Step VI .Exercises:the end-of-cl