人教版八年级英语下册第七单元教案

Unit 7 What’s 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 of 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 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..，be awake，be special to sb.，spend some time doing sth.，in the remaining forest，endangered animals，in the future…

2.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

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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。

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教学准备

多媒体，卡片。 教学过程

Step 1 Greetings

Greet the students as usual. Step 2 Presentation

Show 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. n.旅行 tourist n.旅行者 wall n.墙

amazing adj.令为惊奇的 ancient adj. 古代的 wide adj.宽的；宽阔的 teach the words one by one. Step 3 Warming-up

1. Watch the photos and talk about them “How big/high/long is …?’ and help the students to answer： It’s …meters/kilometers/cm big/high/long.

2. Look these photos and practice the dialogue： e.g. A：How high is Qomolangma?

B：It’s 8，844 meters high. Step 4 Listening

1a, Match the facts you know.

Practice in pairs using the information in 1a. Qomolangma The Sahara The Caspian Sea The Nile about 9,600,000 square kilometers in size 1,025 meters deep 6,671 kilometers long 8,844.43 meters high

Then 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, Listen again and fill in the blanks in 2a with the numbers in the box. Keys；6,300 5,000 5,4 300 Step 6 Practice

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1c, Make conversations in pairs and then let some pairs read their dialogues. Step 7 2d

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 summary

Let the students read the conversation again and then help them deal with the difficult language points.

1. Fell free to ask me anything on today’s 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，Jack’s got 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。 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。

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第2课时 Section A 3a-4c

教学目标 一、知识与技能

1．Improve 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，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 Greetings

Greet the class as usual. Step 2 Lead in

Show some photos on the screen. Let the students answer the following questions: Which is the highest mountain in the world? Which is the longest river in Asia? … Step 3 Reading Read and match.

Paragraph 1 spirit of climbers

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Paragraph 2 achievements of climbers Paragraph 3 facts and dangers

Read 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 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 1 List tour dangers for climbers. thick clouds 1953—Tenzing Norgay and Edmund Hillary were the first to reach the top snow can fall very conditions heavy storms The first Chinese team The first woman to succeed 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. hard freezing weather reached the top in 1960. Most dangerous sport Paragraph 2 List three achievements Paragraph 3 List tour comparisons

3c, Answer the questions using information in the article.

Keys：In the southwestern part of China. 8，844.43 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 points

One of the world’s 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 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 English well. 学好英语很重要。

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It’s 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 wants to give up drinking wine. 我叔叔想戒酒。

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。

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. 尽管下雨，但王老师会按时来 Step 5 Grammar Focus

Let the students go through the Grammar focus and read aloud The 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.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

① as + adj./adv. + as

e.g. She is as thin as Lily. He writes as carefully as Linda. ② not + as/so + adj./adv. + as

e.g. Tony didn’t run so fast as Carter Step 6 4a-4c

1. 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. It’s a little _______ than the Yangtze River.

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2) Qomolangma is 8，844.43 meters _____. It’s one 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 answers

3.Writing：Write five questions using comparisons. Then ask your partner your questions，Give the students several minutes and then ask some pairs to report their result.

Step 7 summary

Give the students a few minuets to sum up what they have learned 课堂作业

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. 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 _________. It’s _____________ to climb Qomolangma 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： 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 reading skills.

2. 学习完成任务所需要的词汇，短语和句子。

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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 Greetings

Greet the students as usual. Step2 Words

Show 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 12. government n. Step 3 Discussion

1. 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. Compare the panda and the elephant. 3. Do 1a.Make more sentences using the information in 1a. Step 4 Listening

1. 1b, Listen and check(√) the numbers you hear. 1c, Listen again and complete the sentences.

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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 5 Discussion

Here 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 day Step 6 Reading 1. Pre-reading

Talk about panda in your class. Use these words to help you.

big，bamboo，zoo，popular， cute， black and white，Sichuan，famous，endangered，beautiful，forest，protect

2. Reading guidance：scanning

This 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 the article again and write short answers to the questions: 1)What is Lin Wei’s 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) 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 pandas. Divide the students into a few groups and then let them discuss. Let a few groups report their ways. Step 7 Language points

Get 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 about… birth v. 出生 at birth 出生时

e.g. Man’s nature at birth is good. 人之初，性本善 give birth to… 生（孩子）；产生

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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 forests. 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 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。

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教学过程

Step 1 Greetings

Greet the students as usual. Step 2 Revision

Ask the students to dictate some important phrases：feel free，as far as I know，in the face of，even though，at birth，up to，run over，walk into，fall over，or so

Let them read some important sentences： What’s the highest mountain in the world? Qomolangma.

How high is Qomolangma?

It’s 8,844.43 meters high. It’s higher than any other mountain. Which is the deepest salt lake in the world?

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. Step 3 Lead in

How 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 Writing

3a, Read the following words and phrases about whales. Put them in the correct place in the chart. What do they look like？ Where do they live? What do they eat? What can they do? Why do some of them have to be protected? How can we protect them? 5 8 7 2 3 11 1 6 12 4 9 10

3b, Write a paragraph about whales and why they need to be protected. Use the information in 3a. Then make a poster.

Whales are… They live in… They eat… They can…One interesting fact is… Another interesting fact is…Some kinds of whales are in danger because…We should protect whales from…I think people should/shouldn’t…

Give them a few minutes to write and correct the mistakes .

Let two or three students read their passage for the whole class Step 6 Self Check

Read these words then find the rules.

Clever—cleverer—cleverest nice—nicer—nicest easy—easier—easiest fat—fatter—fattest thin—thinner—thinnest

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beautiful—more beautiful—the most beautiful careful—more careful—the most careful

good/well—better—best bad—worse—worst many/much—more—most

Then let them complete the chart. by themselves. Adjectives high dangerous long popular Comparatives higher more dangerous longer more popular Superlatives highest the most dangerous longest the most popular Then finish the rest tasks，check the answers. Step 5 Homework

Sum 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. much

2. October 12th was one of ______ days in 2005. Shenzhou-VI was launched（发射）successfully.

A. exciting B. more exciting C. the most exciting 3. Which city is _____，Beijing，Shanghai or Fuzhou?

A. 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 better 5. Mobile phones are very popular now and they are ______ than before. A. cheap B. cheaper C. the cheapest 6. In our city，it’s _____ in July，but it’s even ___ in August. A. hotter，hottest B. hot， hot C. hot，hotter 7. Jack’s handwriting is as ____ as Mike’s.

A. good B. better C. best

8. We can do the work better with ____ money and ______ people. A. little，few B. less，fewer C. fewer，less

9. Jim is the tallest student in our class and Tom is the second ______ one. A. tall B. taller C. tallest

参：1. 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。

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