新PEP人教版八年级下册英语Unit7 Section A Grammar Focus-4c课件

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1、Unit 7 Whats the highest mountain in the world？,Section A Grammar Focus-4c,To learn to use comparatives and superlatives with adjectives and adverbs To learn new words: the Pacific Ocean,Objectives,ocean the Pacific Ocean排版,n. 大海；海洋 n. 太平洋,Words and expressions,Grammar Focus,1) Qomolangma is higher

2、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) Whats the highest mountain in the world? 6) China has the biggest population in the world. 7) Its a lot b

3、igger 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. Its much older than my coun

4、try. 11) This makes it the longest wall in the world. 12) Its the most famous part. 13) One of the worlds most dangerous sports is mountain climbing, and one of the most popular places for this is the Himalayas.,1) Qomolangma is _than any other mountain in the world. 2) The Sahara is _ desert in the

5、 world. 3) The Caspian Sea is _ of all the salt lakes. 4) The Nile is _ river in the world. 5) Whats _ mountain in the world?,Fill in the blanks.,higher,the biggest,the deepest,the longest,the highest,6) China has _ population in the world. 7) Its a lot _ than the population of the US. 8) China is o

6、ver 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. Its _ _ than my country. 11) This makes it _ wall in the wo

7、rld. 12) Its _ part. 13) One of the worlds _ 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,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 Zheng Ming is as tall as Tom. 郑明和汤姆一样高。 2) 比较

8、级 (用于两者之间的比较) 常用结构：形容词比较级than . He is taller than I. 他比我高。,Grammar,11,3) 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 . 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。,12,形容词、副词比较级和最高规则变化和不规则变化。 规则变化 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： cleverclevererclev

9、erest fewfewerfewest smallsmallersmallest等。,13,以e结尾的词，比较级r，最高级st 即可。 如： nicenicernicest cutecutercutest largelargerlargest 以辅音字母y结尾的变y为ier或est 如: easyeasiereasiest happyhappierhappiest 再如：early , busy , heavy , dirty , lazy也如此。,14,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。如： beautiful more beautif

10、ul the most beautiful 又如: delicious, popular, important, interesting, expensive, creative 双音节的词如: careful more careful the most careful useful more useful the most useful,15,少数单音节词也是这样，如： pleased more pleased the most pleased tiredmore tired the most tired b) 不规则变化： good better best well better best

11、 badworse 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),16,Fill in the blanks with the correct forms of the words in the box.,1. The Amazon River is one of the _ rivers in the world. Its a little _ than the Yangtze River.

12、 2. Qomolangma is 8,844.43 meters _.,big much popular long old high,longest,longer,high,4a,Its 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.,popular,big,older,much,e.g. Two rivers：_

13、and _ _ _,Write two comparisons about two topics. Write true facts.,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.,4b,Two cities：_ and _ 1._ 2._ _,Two animals：_ and _ 1.

14、_ 2._ _,Write five questions using comparisons. Then ask your partner your questions.,_ _ _ _ _,What is the highest building in our city?,Who is the oldest people in our city?,What is the most popular street in our city?,What is the most delicious food in our city?,Where is the busiest road in our c

15、ity?,4c,1.We are going to the Green Restaurant for lunch. (划线提问) _ you going for lunch? 2. Sam is the shortest in his class. (改为同义句) Sam is _ than _ _ student in his class.,Where are,shorter,any other,I.改写句子。,Exercises,Sam is _ than _ _ students in his class. Sam is _ than _ _ in his class. 3. How d

16、o you like Screen City? (改为同义句) _ do you _ Screen City?,What,think of,anyone else,shorter,shorter,the other, 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 _ (dif

17、ficult) than the last one.,II. 用括号内所给单词的适当形式填空。,better,more difficult,3. Did you have a wonderful time at the party? Yes, its the _ (exciting) one Ive ever been to. Id 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

18、 much _ (cheap) than before. 6. Look at that model ship. Oh, it looks like a real one. Its just a little _ (small) than the real one.,cheaper,smaller,III. 单项选择。,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. happil

19、y 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,28,5. She is _ careful as I

20、, but Im _than you. A. asmuch careful B. somore careful C. asmuch more careful D. sovery careful 6. Mr Smith thought the Century Park was the second _ in Shanghai. A. large B. larger C. largest D. very large,29,7. We can jump _ on the moon than on the earth. A. more high B. much C. high D. much high

21、er 8. When he heard the good news, he felt _. A. happier B. happiest C. happy D. happily,30,1. 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。,IV. Put the following sentences into English.,is the tallest in,feel better,Which is the best season

22、 in Beijing? I think its autumn.,31,1. 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,better,more q

23、uickly,carefully,V. 用括号内所给单词的适当形式填空。,32,U7 S -,（2019天津） Jenny will get up _ than usual in order to catch the first bus A. early B. very early C. earlier D. earlies,【解析】句意：为了赶早班公共车，詹妮比平时 起的早。由than可知，此处考查比较级，故选C。,中考链接,C,（2019黔南州） Does the dish taste as as it looks？ A.well B. best C. good D. better,【解析】句意：这道菜尝起来和看起来一样好 吗？as.as结构中，前者后跟形容词副词原级， 又因系动词taste后跟形容词，故选C.,C,Review the new words and expressions. 2.Try to write as many sentences as you can using comparisons. (10 sentences at least),Homework,