人教八年级下册unit7教案

1、Unit 7 What s the highest mountain in the world?教学目标：1 语言目标：掌握本单元重点词汇及能用比较级和最高级谈论各之最。2 技能目标：能听懂和谈论有关地理和自然的话题。3 情感目标：培养学生热爱大自然，保护环境的意识。教学重点：短 语 : in size, in the world, 2 meters tall/long/wide, the biggest population, one of the biggest, the most popular question, talk about, the ancient emperors, th

2、e main reason, as far as I know, no man-madeobjects, mountain climbing, the southwestern part of China, thick clouds, cover the top, risk one s life, challenge oneself,achieve one s dream， the forest of nature, try to do sth., the spirit of the climbers, many times more than ,live up to, prepare for

3、., be awake, be special to sb., spend sometime doing sth., in the remaining forest, endangered animals, in the future 句子 :What s the highest mountain in the w orld? Qomolangma.How long is Qomolangma?It s 8, meters high. It s higher than any other mountain. Which is the deepest salt lake in the world

4、?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. It s much older than the US.教学难点 ：形容词和副词的比较级和最高级变化规则和用法。物体之间的对比。课时划分：Period 1 Section A 1 1a - 2dPeriod 2 Section A 2 3a-3cPeriod 3 Section A 3 Grammar Focus-4cPeriod

5、 4 Section B 1 1a-2ePeriod 5 Section B 2 3a-Self checkSection A 1 (1a- 2d)Step 1 Presentationsquare n. 平方 meter n. 米 deep adj. 深的desert n.沙漠 population n.人口 population n.人口Asia n. 亚洲 tour v. 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wideadj. 宽的；宽阔和Step 2 Warming-up1. Watch the

6、 photos and talk about them “Howbig/high/long/bigis :and help the students to answer:It s meters/kilometers/cmbig/high/long/big.2. Look these photos and practice the dialogue:.A: How high is Qomolangma?8: It s 8,844 meters high.Step 3 1a Match the facts you know.Practice in pairs using the informati

7、on in 1a.Qomolangmaabout 9,600,000 square kilometers in sizeThe Sahara1,025 meters deepThe Caspian Sea6,671 kilometers longThe Nile8, meters highStep 4 Explaination8,844 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。.The wall is metres wide.Step 5 L

8、istening1.1 b Listen 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.2. 2a Listen and number the facts(1- 4) in the order you hear them.2b Listen again

9、and fill in the blanks in 2a with the numbers in thebox.6,3005,0005,464300The Yangtze River is about kilometers long and the Yellow Riveris kilometers long.China has the biggest population in the world. It s a lot bigger than the population of the US.China is over years old. It has a much longer his

10、tory than theUS. The US is not even _ years old._ China is almost as big as the US, but it is the biggest country inAsia.Step 6 Practice1c Make conversations in pairs.ExamplesA: Did you know that China if one of the oldest countries in the world?B: Yes, I did. I t s much older than my country.Step 7

11、 2d Read the conversation and answer the questions:1) Which is the biggest man-made objects in the world？2) Which is the most famous part of the Ming Great Wall?Step 8 Language points and summary1. Fell free to ask me anything on today s Great Wal l tour.在今天的长城游中，大家尽管问我任何问题，不要拘束。fell free 是英语口语中一个常用

12、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。. A: Can I use your bathroom? 我可以用一下你的卫生间吗？8: Yes, feel free. 可以，请随意。2. As far as I know, there are 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”。. As far as I know, Jack s g

13、ot twin sisters.就我所知，杰克有一对孪生姐妹。They re not coming today, so far as I know.他们今天不来了 -就我所知是这样的。Step 9 HomeworkA: To memorize the important phrases and sentences.B: to make some dialogues about asking the size of objects.Section A 2 (3a- 3c)Step 1 RevisionLook at the photos. Answer the following questio

14、ns.Which is the highest mountain in the world?Which is the longe st river in Asia? Step 2 Learn the new words.1. achievement n. 成就；成绩. We felt a great sense of achievement when we reached the top of the mountain. 当我们到达山顶的时候，我们有一种巨大的成就感。2. achieve v. 达到；完成；成功. He will never achieve anything if he doe

15、sn t work hard er.如果他不加紧努力工作，他会一事无成。3. southwestern adj . 西南的；西南方向的. Is this Southwestern Airline? 这是西南航空公司吗？4. include v . 包含；包括. Her hobbies include swimming and gardening.她爱好游泳和园艺。5. condition n. 条件；状况. The piano was in good condition. 这台钢琴状况良好。6. take in 吸入；容纳. Fish take in oxygen through their

16、gills.鱼用鳃吸氧气。7. succeed v. 实现目标；成功. If you try hard you ll succeed. 你如果努力就会成功。常用短语：succeed in doing sth.警察最终成功破. Police have finally succeeded in solving the mystery.解了这个疑案。8. challenge v. & n. 挑战；考验. The jobdoesn t really challenge him. 这项工作不能真正的考验他。The new government s first challenge is the econo

17、my.新政府面临的第一个挑战是经济问题。9. in the face of 面对（困难、问题等）. In the face of difficulties, he s completely unafraid.他在困难面前毫不胆怯。10. force n. 力；力量. The thief took the money from the old man by force.窃贼用暴力抢了老人的钱。Step 3 Pre-Read Talk below questions in pairs.What do you know about Qomolangma ?Is Qomolangma the most

18、 dangerous mountain in the world ？Step 4 Reading自读文章，在书中划出重点、疑点后， 翻译下列短语。先独立完成，后小组商议。1. 最危险的山峰2. 世界上最危险的运动之一3. 登山（名词短语）/ （动词短语）4. 来自世界各地的登山者5. 横亘于中国的西南边界6. 在所有的山峰中7. 厚厚的云层8. 更为严重的困难9. 寒冷的天气状况和强劲的暴风雪10. 首次到达珠穆朗玛峰顶的人Answers: 1. the most dangerous mountain 2.one of the worlds mostdangerous sports 3. mo

19、untain climbing/climb mountains4. the climbers from all over the world 5. run along the southwestern part of China 6. of all the mountains 7. thick clouds 8. more serious difficulties9. freezing weather conditions and heavy storms 10. the first people to reach the top of Qomolangma3a Read the articl

20、e and match each paragraph with the main ideas. Paragraph 1spirit of climbersParagraph 2achievements of climbersParagraph 3facts and dangersAccording to the passage, fill in the blanks.One of the most sports in the world is mountain and one of the most places to go for this is the Himalayas. Theseex

21、tremely high attract from all over the world. Manypeople say this is one of the most parts of the world. TheHimalayas along the border of china. Of all the peaks(tops), Qomolangma is the and most . It sto climb Qomolangma because thick clouds the top of the mountain. Even more serious include the fr

22、eezingconditions 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 in1975, the first did it too.Answers: dangerous, climbing, popular, risk, climbers, famous, runs, southwestern, highest, famo

23、us, the hardest, cover, difficulties, weather, heavy, people, reached, womanRead the article again, and answer the following questions.1. What a mountain is Himalayas?It s one of the most popular places for mountain climbing.2. Why is it dangerous to climb Qomolangma?Because thick clouds cover the t

24、op and snow can fall very hard.3. When did the first Chinese reach the top of Qomolangma? In 1960.3b. Read the article again and complete the chart.Paragraph 1Paragraph 2Paragraph 3List tour dangers for climbers.List three achievementsList tour comparisonsthick clouds1953Tenzing Norgayand Edmund Hil

25、lary werethe first to reach thetopMost dangerous sportsnow can fall very hardfreezing weatherconditionsheavy stormsThe first Chinese team eached the top in 1960.The first woman to succeed was Junko Tabei from Japan in 1975.People can challenge themselves in the face of difficulties.Never give up try

26、ing to achieve our dream.Humanscan be stronger than the forces of nature.3c Answer the questions using information in the article.1. Where are the Himalayas? In the southwestern part of China.2. How high is Qomolangma? 8, meters high.3. Why do so many people try to climb this mountain even though it

27、 is dangerous?Because people want to challenge themselves in the face of difficulties.4. What does the spirit of the climbers tell us?We should never give up trying to achieve our dreams.Step 5 Language points1. One of the world s most dangerous sports is mountain climbing,“one of + the +形容词的最高级+复数名

28、词”，意为“最之一”。如：Miss Wang is one of the most popular 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 d

29、o sth. 进行说明。此句型可以转换成To do sth. is + adj . 。. It is important to study English well.学好英语很困难。It s very difficult to climb Qomolangma.攀登珠穆朗玛峰很难。3. Even more serious difficulties include freezing weather conditions and heavy storms.difficulty 既可作可数名词也可作不可数名词。作可数名词时通常用复数，表示具体概念，即：各式各样的 “困难，难题，难事”，如：He s

30、having financial difficulties.他正手头拮据。作不可数名词时，译作“困难，艰难，幸苦”，如：She had great difficulty in understanding him.她很难理解他说的话。4. The spirit of these climbers shows us that weshould 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

31、词，那么代词只能放在give和up之间。如：My uncle wants to give up drinking wine.我叔叔想戒洒。Although English isn t easy to learn, I won t give it up.虽然英语不易学，但我不会放弃。5. 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。如：Mr. Wang wil

32、l come on time even though it rains.尽管下雨，但王老师会按时来。Step 6 ExerciseTo make sentences using the information in the forms.the Nilethe Yangtze Riverthe Yellow River6,6706,3005,500The Yellow River is long.The Yangtze River is a lot than the Yellow River.The Nile is of all.The Yangtze River is not long the

33、 Nile.=The Yangtze River is not than the Nile.Answers: longer, the longest, as as, longerQomolangmaMount HuangMount Tai8,8481,8641,545Mount Tai is high.Mount Huang is a little than Mount Tai.Qomolangma is of all.Mount Tai is not high Qomolangma.=Mount Tai is not than Qomolangma.Answers: higher, the

34、highest, as as, higherSingaporeMalaysiaChina4,000,00020,000,0001300,000,0001. The population of Singapore is large.2. The population of Malaysia is much than that of Singapore.3. The population of China is of all.4. The population of Singapore is not large that of China.5. The population of Singapor

35、e is not than that of ChinaAnswers: larger, the largest, as as, largerStep 7 HomeworkRetell the article, and then preview the Grammar focus.Section A 3 (Grammar focus - 4c)Grammar focus What s the highest mountain in the world?Qomolangma.How high is Qomolangma? It s 8, meters high. It s higher than

36、any other mountain.Which is the deepest salt lake in the world? The Caspian Sea is the deepest of all the salt lakes. Did you know that China is one of the oldest countries in the world? Yes, I did. It s much older than the US.Step 1 Grammar形容词和副词比较级和最高级变化规则1. 规则变化1） 一般情况下，单音节或双音节的形容词（或副词）比较级er ， 最高

37、级est如： clever cleverer cleverest few fewer fewest small smaller smallest 等。2）以e结尾的词，比较级+ r,最高级+ st即可。如：nice nicer nicest cute cuter cutest large larger largest3） 以辅音字母y 结尾的变y 为 i er 或 est 。如 :easy easier easiesthappy happier happiest再如： early, busy, heavy, dirty, lazy 也如此。少数单音节词也是这样，如：pleased more p

38、leased the most pleasedtired more tired the most tired2. 不规则变化：good better best well better bestbad worse worstmany / much more mostfar fartherfarthest（距离远）far furtherfurthest（程度深）old elder eldest （ 长幼 ）old older oldest （ 年龄 ）Step 2 中考链接1. 比 较级考点 比较级修饰问题a little, a bit, even, still, much, a lot, far

39、等可修饰比较级。. Tom is a little taller than Jim.This book is much more interesting than that one. 同级比较. The weather in Beijing is colder than that in Xi an.Our school is bigger than yours. the + 比较级. Lucy is the fatter of the two girls. “ a/an + 比较级”表示“又一，再一”. Lily has a doll, but she wantsa bigger one. 隐

40、性比较（没有than 的情况）. Who runs faster, Lucy or Lily?You d better come earlier next time.He worked hard last term, but he works even harder this term. 越来越 a. 比较级 + and + 比较级b. the + 比较级 + 句子， the + 比较级 + 句子a. . It s g etting colder and colder.The more you exercise, the better you are.2. 最高级考点说明：形容词的最高级前必须

41、加the; 副词的最高级前省略the 范围问题. Tom is the tallest student in the class.Spring is the best season of the year. “ 之一”问题. Beijing is one of the biggest cities in the world. “ the + 序数词 + 最高级”. I think he is the second tallest boy in his class.3. 比较级和最高级的转换4. Tom is the tallest student in the class.= Tom is t

42、aller 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.5. 同级比较 as + adj./adv. + as. She is as thin as Lily.He writes as carefully as Linda. not + as/so + adj./adv. + as. Tony didnt run so fast as Carter学以致用2008ever h

43、eard.2010 陕1. Our family has bought a car so we can travel than before.陕西）A. most easilyB. less easilyC. easilyD. more easily2. My father told me a story last night. It is one I ve（ 2009 陕西）A. the funniestB. funniestC. funnierD. the funnier3. The friends you have, the you will be.西）A. more, happyB.

44、many, happyC. more, happierD. many, happier4. Whenhe heard a cry forhelp, he ran out asas he could. （2011陕西）A. hardlyB. quicklyC. finallyD. slowly5. This place is not big enough for Lucy s birthday party. Weshould findone. （2012 陕西）A. bigB. smallC. biggerD. smallerStep3 WritingWrite five questions u

45、sing comparisons. Then ask your partner yourquestionsStep 4 Fill in the blanks with the correct forms of the words in thebox.big much popular 10ng 01d high1. The AmazonRiver is one of the riversin the world.It s a little than the Yangtze River.2. Qomolangma is 8, meters. It s one of the most placesf

46、or serious mountain climbers.3. No ocean in the world is as as the Pacific Ocean.4. Although Japan is than Canada, it is smaller.Step 5 Write two comparisons about two topics. Write true facts.Two rivers: the Yangtze River and the Amazon RiverThe Yangtze River is almost as long as the Amazon River.T

47、he Amazonis longer than the Yangtze, but the Yangtze River is the longest river in China.Two cities: and 1. .2. .Two animals: and 1. .2. .Step5 Homework1. To memorize the important phrases and sentences.2. To make some sentences using as as, . times than, less than, more thanSection B 1 (1a-2e)Step

48、1 New words1. 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12. government n. 政府Step 2 Discussion1. Compare facts about these two animals. Use the l

49、anguage in the box to help you make sentences. 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. Compare the panda and the elephant.3. Do more sentences using the information in 1a.Step 3 Li

50、stening3.1 b Listen and check( V) 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 panda weighs many times more than a baby panda.Step 4 DiscussionHere are some facts about koala, use

51、the information above to make sentences.Koala is 75 cm tall weighs 10 kilos eats leaves sleeps 20 hours a dayStep 5 Reading1. Pre-readingTalk about panda in your class. Use these words to help you.big, bamboo, zoo, popular, cute, black and white,Sichuan, famous, endangered, beautiful, forest, protec

52、t,2. Reading guidance: scanningThis means moving your eyes quickly down the page to find specific information.3. Reading tasks1. 2b Scan the article to find out what these numbers mean:10, 12, 200, 20002. 2c Scan the article again and write short answers to the questions.1. What is Lin Wei s job?2.

53、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.6. Milk.7. Bamboos.8. Less forest for pandas to live.9. Teaching children.3. 2d Complete the sentences using words and phrases from the passag

54、e.1. The panda at the ChengduResearch Base are awake veryearly in the morning to breakfast for the baby pandas.2. Adult pandas do not have babies very, and some of thebabies only live for a short time because of.3. Another reason for fewer and fewer pandas is because people are cutting down so panda

55、s have fewer places to live.4. A special program in Chengduteaches about why pandasare and how to save them.5. The is also helping to save the pandas. It smore trees to make more homes for the pandas.Keys: keepers, prepare, often,川nesses,trees, children,endangered,Chinese government, necessary to plant2e Discuss what other ways you think children can help to save thepandas.Step 6 Language points1. At birth, a baby panda is about birth v. 出生 at