What’s the highest mountain in the world? Section A Grammar Focus-4c Unit 7 What’s the highest mountain in the world? Section A Grammar Focus-4c 八年级(下)

Objectives To learn to use comparatives and superlatives with adjectives and adverbs. To learn new words: the Pacific Ocean…

Grammar

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.

Qomolangma is higher than any other mountain in the world. 2) The Sahara is the biggest desert in the world. 3) The Caspian Sea is the deepest of all the salt lakes. 4) The Nile is the longest river in the world. 5) What’s the highest mountain in the world?

6) China has the biggest population in the world. 7) It’s a lot bigger than the population of the US. 8) China is over 5000 years old. It has a much longer history than the US. 9) China is almost as big as the US, and it is the biggest country in Asia.

10) -- Did you know that China is one of the oldest countries in the world? --Yes, I did. It’s much older than my country. 11) This makes it the longest wall in the world. 12) It’s the most famous part. 13) One of the world’s most dangerous sports is mountain climbing, and one of the most popular places for this is the Himalayas.

Ready? go Fill in the blanks. 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. 5) What’s __________ mountain in the world? higher Ready? go the biggest the deepest the longest the highest

6) China has _________ population in the world. 7) It’s a lot ______ than the population of the US. 8) China is over 5000 years old. It has a _____ ______ history than the US. 9) China is almost as ___ as the US, and it is the _______ country in Asia. the biggest bigger much longer big biggest

10) --Did you know that China is one of ________ countries in the world? -- Yes, I did. It’s _____ ____ than my country. 11) This makes it __________ wall in the world. 12) It’s ______________ part. 13) One of the world’s ______________ sports is mountain climbing, and one of _______________ places for this is the Himalayas. the oldest much older the longest the most famous most dangerous the most popular

Grammar 形容词和副词的比较级和最高级 大多数形容词和副词都有三个级。 原级: 常用结构: as ... as... 像..….一样 e.g. Zhang Hong is as tall as Tom. 张红和汤姆一样高。 2) 比较级 (用于两者之间的比较), 常用结构：形容词比较级＋than ... e.g. He is taller than I. 他比我高。

3) 最高级(用于三者或三者以上的比较)， 常用结构: the + 形容词的最高级＋of / in ... e.g. He is the tallest of the three. 他是这三个人中最高的。 He is the funniest in his class. 他是他们班最有趣的。

形容词、副词比较级和最高级规则变化 和不规则变化。 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。 e.g. 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。 e.g. 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。 e.g. easy－easier－easiest happy－happier－happiest 再如：early , busy , heavy , dirty , lazy也如此。

4) 多音节和部分双音节的词需要在形容词 原级前＋more构成比较级，＋the most 构成最高级。 e.g. beautiful － more beautiful － the most beautiful 又如: delicious, popular, important, creative ，interesting, expensive… 双音节的词如: careful － more careful － the most careful useful － more useful － the most useful

少数单音节词也是这样，如： pleased－ more pleased － the most pleased tired－more tired －the most tired b) 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)

Practice

Watch and Read 备注：见视频Unit 7 Section A 4a

4a 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. longest longer

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. high popular big older much

4b Write two comparisons about two topics. Write true facts. e.g. Two rivers：_________________ and _________________ ____________________________________________________ ___________________________________________________________________________ the Yangtze River the Amazon River The Yangtze River is almost as long as the Amazon River. The Amazon is longer than the Yangtze, but the Yangtze is the longest river in China.

Pair work Two cities：__________ and __________ 1.______________________________________ 2.______________________________________ _____________________________________ Two animals：__________ and __________ 1.______________________________________ 2.______________________________________ _____________________________________

4c Write five questions using comparisons 4c Write five questions using comparisons. Then ask your partner your questions. ____________________________________ What is the highest building in our city? What is the most popular street in our city? What is the most delicious food in our city? Who is the oldest people in our city? Where is the busiest road in our city?

练习：改写句子 1.We are going to the Green Restaurant for lunch. (就划线部分提问) ____________ you going for lunch? 2. Sam is the shortest in his class. (改为同义句) Sam is ________ than ____ _____ student in his class. Sam is _______ than _____ _____ students in his class. Sam is _______ than________ ______ in his class. 3. How do you like Screen City? (改为同义句) _______ do you __________ Screen City? Where are shorter any other shorter the other shorter anyone else What think of

Quiz

一、用括号内所给单词的适当形式填空。 — Who would you like to be your assistant, Jack or David? — If I had to choose, David would be the ______ (good) choice. 2. — How was your math exam, Nancy? — I think I did it well, although it was ____________ (difficult) than the last one. better more difficult

3. — Did you have a wonderful time at the party? — Yes, it’s the _______________ (exciting) one I’ve ever been to. I’d like to know if Linda is the second ______ (tall) girl in her class. most exciting tallest

5. Now computers are very popular and they are much _______ (cheap) than before. 6. — Look at that model ship. — Oh, it looks like a real one. It’s just a little _______ (small) than the real one. cheaper smaller

二、单选。 1. My brother has ____ books than I. A. much B. more C. many D. most 2. The more you smile, the _____ you will feel. A. happy B. happier C. happily D. more happily

3. — Would you mind staying in such a noisy room? — No, but my son needs a ____ place to study in. A. cleaner B. quieter C. safer D. smaller 4. The actress is already 50, but she looks _____ than she really is. A. young B. more young C. more younger D. much younger

5. She is ___careful as I, but I’m ____ than you. A. as…much careful B. so…more careful C. as…much more careful D. so…very careful 6. Mr. Smith thought the Century Park was the second _____ in Shanghai. A. large B. larger C. largest D. very large

7. We can jump ___ on the moon than on the earth.     A. more high        B. much         C. high        D. much higher 8. When he heard the good news, he felt ____.     A. happier          B. happiest       C. happy       D. happily

9. The ___ he is, the ___ he feels. A. busy; happy B 9. The ___ he is, the ___ he feels.     A. busy; happy      B. busiest; happiest     C. busier; happier  D. busy; happily 10. I think English is as ____ as maths.    A. important        B. more important       C. most important   D. importanter 11. — What do you think of the dress? — Wonderful. I don’t think I can find a ___ one. A. good B. better C. bad D. worst

12. That building is about 100 meters ___. A. tall B. high C. taller D 12. That building is about 100 meters ___.     A. tall    B. high   C. taller   D. higher 13. Jone Smith is ___ of the two young men.     A. strong                 B. stronger             C. the stronger       D. the strongest 14. Our classroom is ____ in the whole school.     A. cleanest            B. the cleanest           C. cleaner             D. the cleaner

15. I know you are shorter than your brothers，but you run _________. A. more faster B. fastest C. more fast D. fast 16. Who runs ___, Lily or Michelle? A. slow B. slower C. slowest

17. Of all the teams in NBA, I think the Los Angeles Lakers played ___ this year. A. most successfully B. the more successfully C. very successfully D. much more

Jack ___________ boy ___ his class. 2. 我现在感觉比昨天好多了。 三、补全句子。 1. Jack是他们班最高的男生。 Jack ___________ boy ___ his class. 2. 我现在感觉比昨天好多了。 I ____ much ______ than yesterday. 3. —北京最好的季节是哪个？ —我觉得是秋天。 is the tallest in feel better —Which is the best season in Beijing? —I think it’s autumn.

四、用括号内所给单词的适当形式填空。 1. Does China develop ______ (fast) of all the countries in the world? 2. My brother Jimmy writes _________　　　　 _________ (careful) in his class. 3. Which shirt do you like _____ (good), the white one or the blue one? 4. Tom finishes his work ____________ (quick) than Jim. 1. Does China develop ______ (fast) of all the countries in the world? 2. My brother Jimmy writes _________　　　　 _________ (careful) in his class. 3. Which shirt do you like _____ (good), the white one or the blue one? 4. Tom finishes his work ____________ (quick) than Jim. 1. Does China develop ______ (fast) of all the countries in the world? 2. My brother Jimmy writes _________　　　　 _________ (careful) in his class. 3. Which shirt do you like _____ (good), the white one or the blue one? 4. Tom finishes his work ____________ (quick) than Jim. fastest the most carefully better more quickly

Homework Review the new words and expressions. 2. Try to write as many sentences as you can using comparisons. (10 sentences at least)

Thank You!