Unit 7 What’s the highest mountain in the world?

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下面是中国招生考试网www.chinazhaokao.com小编为大家提供的Unit 7 What’s the highest mountain in the world?，欢迎参考!

　　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, 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…

　　句子:

　　What’s the highest mountain in the world?

　　Qomolangma.

　　How long 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.

　　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 – 2d

　　Period 2 Section A 2 3a-3c

　　Period 3 Section A 3 Grammar Focus-4c

　　Period 4 Section B 1 1a-2e

　　Period 5 Section B 2 3a-Self check

　　Section A 1 (1a – 2d)

　　Step 1 Presentation

　　square 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 wide adj. 宽的;宽阔和

　　Step 2 Warming-up

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

　　2. Look these photos and practice the dialogue:

　　e.g. A: How high is Qomolangma?

　　B: It’s 8,844 meters high.

　　Step 3 1a Match the facts you know.

　　Practice in pairs using the information in 1a.

　　Qomolangma about 9,600,000 square kilometers in size

　　The Sahara 1,025 meters deep

　　The Caspian Sea 6,671 kilometers long

　　The Nile 8,844.43 meters high

　　Step 4 Explaination

　　…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 新课 标 第 一 网

　　1. 1b 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 and fill in the blanks in 2a with the numbers in the box.

　　6,300 5,000 5,464 300

　　___ The Yangtze River is about ____ kilometers long and the Yellow River is ___ 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 history than the US. The US is not even ___ years old.

　　___ China is almost as big as the US, but it is the biggest country in Asia.

　　Step 6 Practice

　　1c Make conversations in pairs.

　　Examples

　　A: Did you know that China if one of the oldest countries in the world?

　　B: Yes, I did. It’s much older than my country.

　　Step 7 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

　　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。

　　fell 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 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”。

　　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。

　　Step 9 Homework w W w .x K b 1.c o M

　　A: 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 Revision

　　Look at the photos. Answer the following questions.

　　Which is the highest mountain in the world?

　　Which is the longest river in Asia? …

　　Step 2 Learn the new words.

　　1. achievement n. 成就;成绩

　　e.g. 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

　　e.g. He will never achieve anything if he doesn’t work harder.

　　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

　　e.g. Is this Southwestern Airline? 这是西南航空公司吗?

　　4. include v. 包含;包括

　　e.g. Her hobbies include swimming and gardening. 她爱好游泳和园艺。

　　5. condition n. 条件;状况

　　e.g. The piano was in good condition. 这台钢琴状况良好。

　　6. take in 吸入;容纳

　　e.g. Fish take in oxygen through their gills. 鱼用鳃吸氧气。

　　7. succeed v. 实现目标;成功

　　e.g. If you try hard you’ll succeed. 你如果努力就会成功。

　　常用短语：succeed in doing sth.

　　e.g. Police have finally succeeded in solving the mystery. 警察最终成功破解了这个疑案。

　　8. challenge v. & n. 挑战;考验

　　e.g. The job doesn’t really challenge him. 这项工作不能真正的考验他。

　　The new government’s first challenge is the economy.

　　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)

　　e.g. 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

　　e.g. 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 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 world’s most dangerous sports 3. mountain climbing/climb mountains

　　4. 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 difficulties

　　9. freezing weather conditions and heavy storms 10. the first people to reach the top of Qomolangma

　　3a Read the article and match each paragraph with the main ideas.

　　Paragraph 1 spirit of climbers

　　Paragraph 2 achievements of climbers

　　Paragraph 3 facts and dangers

　　According 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. 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.

　　Answers: dangerous, climbing, popular, risk, climbers, famous, runs, southwestern, highest, famous, the hardest, cover, difficulties, weather, heavy, people, reached, woman

　　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.

　　3b. Read the article again and complete the chart.

　　Paragraph 1 Paragraph 2 Paragraph 3

　　List tour dangers for climbers. List three achievements List tour comparisons

　　thick clouds 1953—Tenzing Norgay and Edmund Hillary were the first to reach the top Most dangerous sport

　　snow can fall very hard

　　freezing weather

　　conditions

　　heavy storms The first Chinese team reached 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 trying to achieve our dream.

　　Humans can 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? 8,844.43 meters high.

　　3. Why do so many people try to climb this mountain even though it 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 points

　　1. 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”。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 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 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 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。如：

　　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。

　　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 will come on time even though it rains.

　　尽管下雨，但王老师会按时来。

　　Step 6 Exercise

　　To make sentences using the information in the forms.

　　the Nile the Yangtze River the Yellow River

　　6,670 6,300 5,500

　　The 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 Nile.

　　= The Yangtze River is not _______ than the Nile.

　　Answers: longer, the longest, as as, longer

　　Qomolangma Mount Huang Mount Tai

　　8,848 1,864 1,545

　　Mount 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 highest, as as, higher

　　Singapore Malaysia China

　　4,000,000 20,000,000 1300,000,000

　　1. 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 Singapore is not _______ than that of China.

　　Answers: larger, the largest, as as, larger

　　Step 7 Homework

　　Retell 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 8,844.43 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 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-largest

　　3) 以辅音字母+y结尾的变y为i+er或est。如:

　　easy-easier-easiest

　　happy-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 pleased-the most pleased

　　tired-more tired-the most tired

　　2. 不规则变化：

　　good —better — best well —better — best

　　bad-worse - worst

　　many / much — more — most

　　far — farther —farthest (距离远)

　　far — further — furthest (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

　　① 比较级修饰问题

　　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 同级比较

　　e.g. The weather in Beijing is colder than that in Xi’an.

　　Our school is bigger than yours.

　　③ the + 比较级

　　e.g. Lucy is the fatter of the two girls.

　　④ “a/an + 比较级” 表示“又一，再一”

　　e.g. Lily has a doll, but she wants a bigger one.

　　⑤ 隐性比较(没有than的情况)

　　e.g. 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.

　　⑥ 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. e.g. It’s getting 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加the; 副词的最高级前省略the。

　　① 范围问题

　　e.g. Tom is the tallest student in the class.

　　Spring is the best season of the year.

　　② “......之一”问题

　　e.g. Beijing is one of the biggest cities in the world.

　　③ “the + 序数词 + 最高级”

　　e.g. I think he is the second tallest boy in his class.

　　3. 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.

　　2. 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

　　学以致用

　　1. Our family has bought a car so we can travel _____ than before.(2008陕西)

　　A. most easily B. less easily

　　C. easily D. more easily

　　2. My father told me a story last night. It is ____ one I’ve ever heard.(2009陕西)

　　A. the funniest B. funniest

　　C. funnier D. the funnier

　　3. The _____ friends you have, the ____ you will be.(2010陕西)

　　A. more, happy B. many, happy

　　C. more, happier D. many, happier

　　4. When he heard a cry for help, he ran out as _______ as he could.(2011陕西)

　　A. hardly B. quickly

　　C. finally D. slowly

　　5. This place is not big enough for Lucy’s birthday party. We should find a _____ one.(2012陕西)

　　A. big B. small

　　C. bigger D. smaller

　　Step3 Writing

　　Write five questions using comparisons. Then ask your partner your questions

　　Step 4 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.

　　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.

　　Step 5 Write two comparisons about two topics. Write true facts.

　　e.g. Two rivers: the Yangtze River and the Amazon River

　　The Yangtze River is almost as long as the Amazon River.

　　The Amazon is 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 Homework

　　1. To memorize the important phrases and sentences.

　　2. To make some sentences using as … as, ... times … than, less than, more than

　　Section B 1 (1a-2e)

　　Step 1 New words

　　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. 政府

　　Step 2 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 3 Listening

　　1. 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 panda weighs many times more than a baby panda.

　　Step 4 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 5 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.

　　1. The panda _______ at the Chengdu Research Base are awake very early in the morning to _______ breakfast for the baby pandas.

　　2. Adult pandas do not have babies very ____, and some of the babies only live for a short time because of _______.

　　3. Another reason for fewer and fewer pandas is because people are cutting down ______ so pandas have fewer places to live.

　　4. A special program in Chengdu teaches _______ about why pandas are __________ and how to save them.

　　5. The __________ is also helping to save the pandas. It’s __________ more trees to make more homes for the pandas.

　　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.

　　Step 6 Language points

　　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

　　e.g. My aunt gave birth to a beautiful baby girl yesterday.

　　昨天我婶婶生下一个漂亮的小女孩。

　　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. …they run over with excitement and some of them even walk into their friends and fall over!

　　run over 跑上前去 over adv.穿越;从……的一边到另一边

　　e.g. She ran over to say hello, but I didn’t recognize her.

　　她跑过来打招呼，但我没有认出她来。

　　walk into (走路时意外)撞上

　　e.g. As he was thinking too deeply and not playing attention to where he was going, he walked straight into a tree.

　　由于他陷入深思，没有注意看路，径直撞到了一棵树上。

　　fall over 摔倒;倒下

　　e.g. Don’t run too fast, or you might fall over. 别跑的太快，要不你会摔跤的。

　　fall over something 被某物绊倒

　　e.g. Tommy fell over the dog and broke his front teeth.

　　Tommy被那只狗绊了一跤，磕断了门牙。

　　4. 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，用做定语，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 rive 河边洗衣服的女人们

　　Step 7 Summary

　　1. …cm taller/shorter

　　2. much /even/a little/less +比较级

　　3. …times more than ….

　　4. Talk about how to protect pandas.

　　Step 8 Homework

　　Make a list about how to save pandas.

　　Section B 2 (3a—Self check)

　　Step 1 Summary

　　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

　　Key sentences:

　　What’s the highest mountain in the world?

　　Qomolangma.

　　How long 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.

　　Important structures:

　　1. …cm taller/shorter

　　2. much /even/a little/less +比较级

　　3. …times more than ….

　　4. Talk about how to protect pandas.

　　Step 2 Lead in

　　对于鲸鱼你知道多少?

　　鲸的体型是世界上存在的动物中最大的，鲸是终生生活在水中的哺乳动物，对水的依赖程度很大，以致它们一旦离开了水便无法生活，鲸形状像鱼，鼻孔在

　　头的上部，用肺呼吸。体长可达三十米，是现在世界上最大的动物。

　　鲸为适应水中生活，减少阻力，它们的后肢消失，前肢变成划水的浆板。身体成为流线型，酷似鱼。因而它们的潜水能力很强，小型齿鲸可潜至100-300米的水深处，停留4-5分钟，长须鲸可在水下300-500米处待上1小时，最大的齿鲸--抹香鲸能潜至千米以下，并在水中持续2小时之久。

　　Step 3 Writing

　　3a Read the following words and phrases about whales. Put them in the correct place in the chart.

　　1. Humans catch whales for meat, fat and oil

　　2. Eat small fish and other sea life

　　3. Jump high out of the water

　　4. Rules on whale protection

　　5. Huge

　　6. Water pollution

　　7. Live in the sea

　　8. Some kinds have teeth

　　9. Learn more about whales

　　10. Stop putting rubbish into the sea

　　11. Sing songs

　　12. Whale parts sold to make things likes candles and soap

　　What do they look like? 5 8

　　Where do they live? 7

　　What do they eat? 2

　　What can they do? 3 11

　　Why do some of them have to be protected? 1 6 12

　　How can we protect them? 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…

　　Step 4 Self-check

　　Read these words then find the rules.

　　clever--cleverer--cleverest

　　nice--nicer--nicest

　　easy--easier--easiest

　　fat--fatter--fattest

　　thin--thinner--thinnest

　　beautiful--more beautiful--the most beautiful

　　careful--more careful--the most careful

　　good/well--better--best

　　bad--worse--worst

　　many/much--more--most

　　1. Complete the chart.

　　Adjectives Comparatives Superlatives

　　high higher highest

　　dangerous more dangerous the most dangerous

　　long longer longest

　　popular more popular the most popular

　　2. Match verbs and objects. Then add one more object to each list.

　　Verbs Objects

　　1. reach a. my life, my money,… my health

　　2. achieve b. the top of a mountain, the library,…

　　the farmhouse

　　3. risk c. my dream, success,…the ends

　　Answers: 1-b, 2-c, 3-a

　　3. Circle the correct word and /or fill in the blank with the correct form of the word in brackets for each sentence.

　　1. An elephant weighs (few/many) times more than a dog.

　　2. An adult panda can eat (much/a little) more than a cat.

　　3. Canada is a (little/lot) less ______________ (crowded) than China.

　　4. A tiger is (much/a little) _________ (strong) than a man.

　　Answers: 1. many 2. much 3. lot more crowed 4. much stronger

　　Step 5 Do some exercise.

　　一、根据句意，用适当的词填空。

　　1. The biggest ______ in the world is the Sahara.

　　2. The river is too ______ to swim in.

　　3. China is one of __________ civilizations (文明) in the world.

　　4. The ______ of the fastest animal is 120 kilometers per hour.

　　5. -What ______ do you need for your coat?

　　-I want a large one.

　　二、用括号内单词的适当形式填空。

　　1. Jim is very ______. Li Lei is _______ than Jim. (hungry)

　　2. Kate’s mooncakes are _______ of all. (nice)

　　3. Your box is ______ than mine. But his is _______ of the three. (heavy)

　　4. Unit 2 is quite _____. Unit 3 is _____ than Unit 2. It’s __________ in Module

　　(hard)

　　5. This TV play is _____ than that one. (good)

　　6. My mother is very ______. She is _______ in my family. (busy)

　　7. Lingling gets to school ______ than the others. (early)

　　8. She speaks English _____ in our class. (well)

　　9. Lucy jumped quite _____. (far)

　　10. I think English is as _________ as Chinese. (important)

　　11. This picture is _______________ of the four. (beautiful)

　　12. Lucy did _____ than Lily. (bad)

　　三、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

　　Answers: CCB ABC ABC

　　Step 6 Homework

　　1. Write a paragraph about how to protect endangered animals, use the useful

　　sentences in 3b.

　　2. Remember the words, phrases and sentences in this unit.

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