英语人教版八年级下册Unit7.sectionA3a

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1、Unit 7 Whats the highest mountain in the world?教材解读本单元的中心话题主要围绕自然地理知识和动物而展开，通过这些内容的学习，学生可以学到大数字的读法和表示度量的结构，并进一步拓展学习了比较级和最高级的使用。在听说读写这些活动之中学生的综合能力进一步提升，并且通过阅读材料学生还可以了解珠穆朗玛峰的险峻和人类克服困难、挑战极限的勇气与实践精神，树立保护动物的意识。单元目标一、知识与技能1. 一些重点短语：in size，in the world，2 meters tall/long/wide，the biggest population， one o

2、f the biggest，the most popular question，talk about，the ancient emperors，the main reason，as far as I know，no man-made objects，mountain climbing，the southwestern part of China，thick clouds，cover the top，risk ones life，challenge oneself，achieve ones dream，the forest of nature，try to do sth.，the spirit

3、of the climbers，many times more than，live up to，prepare for.，be awake，be special to sb.，spend some time doing sth.，in the remaining forest，endangered animals，in the future2.学会形容词和副词的比较级和最高级变化规则和用法，并能流畅地对物体进行对比。二、过程与方法由浅入深地教会学生正确表示度量的词语并能对事物进行比较。交际法：学外语的主要目的不是在掌握语言结构本身，而是在发展学生的交际能力，让他们在创设的交际情景中学会知识，以

4、便运用于现实交际活动中。三、情感态度与价值观培养合作学习的精神；通过比较了解中国及世界地理知识，树立爱护大自然，保护动物的意识，学习人们克服困难、挑战极限的精神。教法导航以学生为中心，以活动为驱动点，以任务为目标的教学方式，充分利用多媒体，让学生在活动中感知、领悟、体验和实践语言知识要点。学法导航在实践与合作中提高语言的综合使用能力，加深对基础知识的掌握和记忆。课时支配第1课时：Section A 1a-2d第2课时：Section A 3a-4c第3课时：Section B 1a-2e第4课时：Section B 3a-Self Check课时教案第1课时Section A 1a-2d教学目

5、标一、知识与技能1. Improve the listening and speaking skills.2. 学习完成任务所需要的语言。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 know， achievement。4. 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。二、过程与方法采用目标和直观教学法，调动学生

6、的积极性，引导他们积极参与课堂。 三、情感态度与价值观通过课堂活动，培养合作精神，了解一些自然地理知识。教学重点1. Improve the listening and speaking skills.2. 学习完成任务所需要的语言。3. Master some important words and phrases：feel free，tour，tourist，wall，amazing ， ancient，protect，wide，as far as I know，achievement.4. 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。教学难点1. 学会含有大数字的

7、度量结构的表述，并掌握用不同句式表达比较级和最高级。2. Improve the listening and speaking skills.教法导航课上引导学生积极参与课堂活动，老师少讲，鼓励学生多练。学法导航发现法，动手法。教学准备多媒体，卡片。教学过程Step 1 GreetingsGreet the students as usual.Step 2 PresentationShow the words on the screen.square n.平方 meter n.米 deep adj.深的 desert n.沙漠 population n.人口 Asia n.亚洲 tour v.

8、 n.旅行 tourist n.旅行者 wall n.墙 amazing adj.令人大为惊奇的 ancient adj. 古代的 wide adj.宽的；宽阔的teach the words one by one.Step 3 Warming-up1. Watch the photos and talk about them “How big/high/long is ? and help the students to answer： Its meters/kilometers/cm big/high/long.2. Look these photos and practice the d

9、ialogue：e.g. A：How high is Qomolangma?B：Its 8，844 meters high.Step 4 Listening1a, Match the facts you know.Practice in pairs using the information in 1a.Qomolangmaabout 9,600,000 square kilometers in sizeThe Sahara1,025 meters deepThe Caspian Sea6,671 kilometers longThe Nile8,844.43 meters highThen

10、explain the following language points：8，844 meters high：8，844米高。 meters high (long，wide)米高（长，宽)。英语表示“有多长（宽，高）”时，一般将数词和数量单位放在表示长宽高的形容词前作状语。e.g. The wall is 1.7 metres wide.Step 5 Listening 1. 1b, Listen and complete the sentences.2. 2a, Listen and number the facts(1- 4) in the order you hear them.2b,

11、 Listen again and fill in the blanks in 2a with the numbers in the box.Keys；6,300 5,000 5,464 300Step 6 Practice 1c, Make conversations in pairs and then let some pairs read their dialogues.Step 7 2d2d, Read the conversation and answer the questions：1. Which is the biggest man-made objects in the wo

12、rld？2. Which is the most famous part of the Ming Great Wall?Step 8 Language points and summaryLet the students read the conversation again and then help them deal with the difficult language points.1. Fell free to ask me anything on todays Great Wall tour. 在今天的长城游中，大家尽管问我任何问题，不要拘束。feel free是英语口语中一个常

13、用表达。若有人让你feel free to do something，就是让你无需拘束，只管按照自己的意愿去做某事。e.g. A：Can I use your bathroom? 我可以用一下你的卫生间吗？B：Yes，feel free. 可以，请随意。2. As far as I know，there is no man-made objects as big as this. 据我所知，再没有像它这样大的人造物体了。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”。e.g. As far as I know，Jacks go

14、t twin sisters.就我所知，杰克有一对孪生姐妹。Theyre not coming today，so far as I know.他们今天不来了就我所知是这样的。 Then let them read the conversation again .Step 9 Homework To memorize the important phrases and sentences.课堂作业To make some dialogues about asking the size of objects.教学反思本节课涉及了一些自然地理知识学生比较感兴趣，因此他们在富有情趣的交际中愉快主动地接

15、受信息、加工信息、交流信息，所以本节课的目标在愉悦的课堂气氛中得到落实和巩固。第2课时 Section A 3a-4c教学目标一、知识与技能1Improve the reading ability.2熟练掌握较大数字的表达，灵活运用比较级和最高级。3. Master some important words and phrases. 二、过程与方法反复训练重点句型，用各种方法巩固比较级和最高级的单词，短语和句子。三、情感态度与价值观了解珠穆朗玛峰的险峻并学习人类克服困难、挑战极限的勇气与实践精神。教学重点1. Improve the reading ability.2. 熟练掌握较大数字的表达

16、，灵活运用比较级和最高级。3. Master some important words and phrases. 教学难点熟练掌握较大数字的表达，灵活运用比较级和最高级。教法导航引导学生反复阅读，反复训练，达到熟能生巧的境地。学法导航学生认真听，多训练以此达到学以致用的目的。教学准备图片、多媒体。教学过程Step 1 GreetingsGreet the class as usual.Step 2 Lead in Show some photos on the screen. Let the students answer the following questions:Which is th

17、e highest mountain in the world?Which is the longest river in Asia? Step 3 Reading Read and match.Paragraph 1 spirit of climbersParagraph 2 achievements of climbersParagraph 3 facts and dangersRead the article again，and answer the following questions:1. What a mountain is Himalayas?Its one of the mo

18、st popular places for mountain climbing.2. Why is it dangerous to climb Qomolangma?Because thick clouds cover the top and snow can fall very hard.3. When did the first Chinese reach the top of Qomolangma? In 1960. Read the article again and complete the chart.Paragraph 1Paragraph 2Paragraph 3List to

19、ur dangers for climbers.List three achievementsList tour comparisonsthick clouds1953Tenzing Norgay and Edmund Hillary were the first to reach the topMost dangerous sportsnow can fall very hard freezing weather conditions heavy stormsThe first Chinese team reached the top in 1960.The first woman to s

20、ucceed was Junko Tabei from Japan in 1975.People can challenge themselves in the face of difficulties.Never give up trying to achieve our dream.Humans can be stronger than the forces of nature.3c, Answer the questions using information in the article.Keys：In the southwestern part of China. 8，844.43

21、meters high.Because people want to challenge themselves in the face of difficulties.We should never give up trying to achieve our dreams.Step 4 Language pointsOne of the worlds most dangerous sports is mountain climbing，“one of + the + 形容词的最高级+复数名词”，意为“最之一”。 e.g. Miss Wang is one of the most popular

22、 teachers in our school.王老师是我们学校最受欢迎的老师之一。2. It is also very hard to take in air as you get near the top.It is + adj. + to do sth.，it作形式主语放在句首，而把真正的主语放在句尾。常用于此句型的形容词有important，difficult，dangerous，necessary，useful，possible等，用来对to do sth.进行说明。此句型可以转换成To do sth. is + adj.e.g. It is important to study E

23、nglish well. 学好英语很重要。Its very difficult to climb Qomolangma. 攀登珠穆朗玛峰很难。3. The spirit of these climbers shows us that we should never give up trying to achieve our dreams. give up 意为“放弃”，后面可以接名词、代词或v-ing形式作宾语。注意：如果其宾语是名词，那么名词可以放在 give 和 up 之间，也可以放在 up 之后；如果其宾语是代词，那么代词只能放在 give 和 up 之间。e.g. My uncle w

24、ants to give up drinking wine. 我叔叔想戒酒。Although English isnt easy to learn，I wont give it up. 虽然英语不易学，但我不会放弃。4. Why do so many people try to climb this mountain even though it is dangerous?even though 用作从属连词，意为“即使；尽管”，相当于even if，引导让步状语从句，一般不与并列连词but连用。Mr. Wang will come on time even though it rains.尽

25、管下雨，但王老师会按时来Step 5 Grammar FocusLet the students go through the Grammar focus and read aloudThe teacher explains the following points：比较级考点：1. 比较级修饰: a little，a bit，even，still，much，a lot，far等可修饰比较级。e.g. Tom is a little taller than Jim. This book is much more interesting than that one.2. 比较级和最高级的转换e.

26、g. Tom is the tallest student in the class.= Tom is taller than any other student in the class. = Tom is taller than all the other students in the class. = No other students are taller than Tom.3. 同级比较 as + adj./adv. + as e.g. She is as thin as Lily. He writes as carefully as Linda. not + as/so + ad

27、j./adv. + as e.g. Tony didnt run so fast as Carter Step 6 4a-4c1. Fill in the blanks with the correct forms of the words in the box.big much popular long old high 1) The Amazon River is one of the _ rivers in the world. Its a little _ than the Yangtze River.2) Qomolangma is 8，844.43 meters _. Its on

28、e of the most _ places for serious mountain climbers.3) No ocean in the world is as _ as the Pacific Ocean.4) Although Japan is _ than Canada，it is _ smaller.2. Write two comparisons about two topics. Write true facts.If necessary give the students some help.Check the answers3.Writing：Write five que

29、stions using comparisons. Then ask your partner your questions，Give the students several minutes and then ask some pairs to report their result.Step 7 summaryGive the students a few minuets to sum up what they have learned课堂作业Fill in the blanksOne of the most _ sports in the world is mountain _，and

30、one of the most _ places to go for this is the Himalayas. These extremely high _ attract _ from all over the world. Many people say this is one of the most _ parts of the world. The Himalayas _ along the _ border of China. Of all the peaks (tops)，Qomolangma is the _ and most _. Its _ to climb Qomola

31、ngma because thick clouds _ the top of the mountain. Even more serious _ include the freezing _ conditions and the _ storms. The first _ to reach the top of Qomolangma Tenzing Norgay and Edmund Hillary did it in 1953. The first Chinese climber _ the top in 1960，and in 1975，the first _ did it too. 参考

32、答案： dangerous，climbing，popular，risk，climbers，famous，runs，southwestern， highest，famous，the hardest，cover，difficulties，weather，heavy，people，reached，woman教学反思本节课通过反复训练提高了学生的阅读理解能力，并通过一系列反复训练让学生熟悉并掌握本节课的重点语法项目比较级和最高级的表达。同时也培养了学生的合作和不畏艰难险阻的精神。第3课时 Section B 1a-2e教学目标一、知识与技能1. Improve the listening and re

33、ading skills.2. 学习完成任务所需要的词汇，短语和句子。3. 进一步学习并掌握比较级和最高级的表达 。二、过程与方法 听、说、读、写有机结合。三、情感态度与价值观通过了解学习大熊猫。树立保护大自然，保护动物的意识。教学重点1. Improve the listening and reading skills.2. 学习完成任务所需要的词汇，短语和句子。3. 进一步学习并掌握比较级和最高级的表达。教学难点进一步学习并掌握比较级和最高级的表达。教法导航反复训练，提高能力。学法导航多听，多说，积极参与。教学准备图片、视频、多媒体。教学过程Step 1 GreetingsGreet th

34、e students as usual.Step2 WordsShow the new words on the screen and teach the words one by one.1. weigh v. 称重 2. adult n. 成人 adj. 成年的 3. bamboo n. 竹子4. endangered adj. 濒危的 5. research n.&v. 调查；研究6. keeper n. 饲养员 7. awake adj. 醒着 8. excitement n. 激动9. illness n. 疾病 10. artwork n. 插图 11. wild adj. 野生的

35、12. government n. 政府Step 3 Discussion1. Compare facts about these two animals. Use the language in the box to help you make sentences.e.g. This elephant weighs many times more than this panda.(200 cm taller/shorter，weigh much more/less，eat much more/less，eat many times more)2. Discuss in pairs. Comp

36、are the panda and the elephant.3. Do 1a.Make more sentences using the information in 1a. Step 4 Listening1. 1b, Listen and check() the numbers you hear. 1c, Listen again and complete the sentences.2. Practice. Take turns telling your classmates about pandas. A：A baby panda can not see.B：An adult pan

37、da weighs many times more than a baby panda. Step 5 DiscussionHere are some facts about koala，use the information above to make sentences.Koala is 75 cm tall weighs 10 kilos eats leaves sleeps 20 hours a dayStep 6 Reading 1. Pre-readingTalk about panda in your class. Use these words to help you.big，

38、bamboo，zoo，popular， cute， black and white，Sichuan，famous，endangered，beautiful，forest，protect2. Reading guidance：scanningThis means moving your eyes quickly down the page to find specific information.3. Reading tasks(1)2b, Scan the article to find out what these numbers mean：10，12，200，2000(2)2c, Scan

39、 the article again and write short answers to the questions: 1)What is Lin Weis job? 2)What do the baby pandas eat for breakfast? 3)What do adult pandas eat? 4)Why are pandas endangered? 5)What is one way of saving pandas? Key：1) A panda keeper 2) Milk 3) Bamboos 4) Less forest for pandas to live 5)

40、 Teaching children(3) 2d Complete the sentences using words and phrases from the passage.Check the answers and let them read aloud.Keys：keepers，prepare，often，illnesses，trees，children，endangered，Chinese government，necessary to plant 2e Discuss what other ways you think children can help to save the p

41、andas.Divide the students into a few groups and then let them discuss.Let a few groups report their ways.Step 7 Language pointsGet the students to read the passage again to see if they have difficult points. If they have，the teacher give a hand.1. At birth，a baby panda is aboutbirth v. 出生 at birth 出

42、生时e.g. Mans natureat birthis good. 人之初，性本善give birth to 生（孩子）；产生2. A panda can live up to 20 to 30 years. up to 到达（数量，程度等）；不多于e.g. In some area of Africa，children get educated up to 12 years old.在非洲的一些地区，孩子最多受教育到12岁。3. Scientists say there are now fewer than 2,000 pandas living in the remaining fore

43、sts.Living in the remaining forests是一个现在分词短语，用作定语，修饰pandas。e.g. the girls singing under the tree 树下唱歌的女孩们 the women washing clothes by the river 河边洗衣服的女人们课堂作业Make a list about how to save pandas.教学反思本节课充分利用了课本上的材料，训练了学生的听力和阅读理解能力，在此过程中学生也掌握了一些重点单词和短语，并熟练掌握了比较级和最高级的表达。第4课时 Section B 3a-Self Check教学目标

44、一、知识与技能1. 熟练掌握本单元的重点短语和句型。2. 培养写作能力。3. 了解鲸鱼并掌握保护鲸鱼的方法。二、过程与方法模仿，应用写作。三、情感态度与价值观进一步树立保护大自然、保护动物的意识。教学重点利用所学词汇和句型写作文。教学难点利用所学词汇和句型写作文。教法导航 练习为主。学法导航反复练习，勤于动脑。教学准备图片、多媒体。教学过程Step 1 GreetingsGreet the students as usual.Step 2 RevisionAsk the students to dictate some important phrases：feel free，as far as

45、 I know，in the face of，even though，at birth，up to，run over，walk into，fall over，or soLet them read some important sentences：Whats the highest mountain in the world?Qomolangma.How high is Qomolangma?Its 8,844.43 meters high. Its higher than any other mountain.Which is the deepest salt lake in the worl

46、d?The Caspian Sea is the deepest of all the salt lake.Did you know that China is one of the oldest countries in the world?Yes，I did. Its much older than the US.Step 3 Lead inHow much do you know about the whale? Let the students have a discussion.必要时老师可作一些解释说明。Step 4 Writing3a, Read the following wo

47、rds and phrases about whales. Put them in the correct place in the chart. What do they look like？5 8Where do they live?7What do they eat?2What can they do?3 11Why do some of them have to be protected?1 6 12How can we protect them?4 9 103b, Write a paragraph about whales and why they need to be prote

48、cted. Use the information in 3a. Then make a poster.Whales are They live in They eat They canOne interesting fact is Another interesting fact isSome kinds of whales are in danger becauseWe should protect whales fromI think people should/shouldntGive them a few minutes to write and correct the mistak

49、es .Let two or three students read their passage for the whole class Step 6 Self CheckRead these words then find the rules.Clevercleverercleverest nicenicernicest easyeasiereasiest fatfatterfattest thinthinnerthinnest beautifulmore beautifulthe most beautiful carefulmore carefulthe most carefulgood/

50、wellbetterbest badworseworst many/muchmoremost Then let them complete the chart. by themselves.AdjectivesComparativesSuperlativeshighhigherhighestdangerousmore dangerousthe most dangerouslonglongerlongestpopularmore popularthe most popularThen finish the rest tasks，check the answers.Step 5 HomeworkS

51、um up what they have learned in this unit.课堂作业单项选择。1. My brother is _ more outgoing than me. A. many B. little C. much2. October 12th was one of _ days in 2005. Shenzhou-VI was launched（发射）successfully. A. exciting B. more exciting C. the most exciting3. Which city is _，Beijing，Shanghai or Fuzhou? A

52、. beautiful B. the most beautiful C. more beautiful 4. _ children there are in a family，_ their life will be. A. The less，the better B. Fewer，richer C. The fewer，the better5. Mobile phones are very popular now and they are _ than before. A. cheap B. cheaper C. the cheapest6. In our city，its _ in Jul

53、y，but its even _ in August. A. hotter，hottest B. hot， hot C. hot，hotter7. Jacks handwriting is as _ as Mikes. A. good B. better C. best8. We can do the work better with _ money and _ people.A. little，few B. less，fewer C. fewer，less9. Jim is the tallest student in our class and Tom is the second _ one.A. tall B. taller C. tallest参考答案：1. C 2. C 3. B 4. A 5. B 6. C 7. A 8. B 9. C教学反思本节课主要是通过问题的形式了解了鲸鱼并以此为基础训练了写作，通过同学们之间的互评，学生的写作能力得以提升。Self Check环节，通过练习题的形式又更深一步地巩固了比较级和最高级的用法，使得本单元的知识得以巩固和落实。