Unit 7 第3课时 Section A Grammar Focus-4c（同步课件）-【上好课】2024-2025学年八年级英语下册同步精品课堂（人教版）

第3课时 Section A Grammar Focus -4c 初中英语 / 人教版 / 八年级下册 Unit 7 What's the highest mountain in the world? 01 Review 05 Summary 03 Presentation 02 Grammar 06 Homework 04 Exercises 01 02 03 04 语言能力 思维品质 文化意识 学习能力 学习目标 词汇: ocean, the Pacific Ocean； 鼓励学生仔细观察并善于发现总结规律。 通过本节课学习,提高同学们对于保护濒危野生动物的意识。 复习并掌握形容词和副词三个等级原级；比较级和最高级的用法； Review Part 01 How much do you know about the scenery? Qomolangma No mountain in the world is ____________ Qomolangma. It is 8848.86 meters _____. lt is ____________ mountain in the world. It is ______ than any other mountain in the world. high higher the highest as high as 5 the Sahara No desert in the world is ____________ the Sahara. It is 9600000 square kilometers ___________. lt is _____________ desert in the world. It is ______ than any other desert in the world. in size larger the largest as large as How much do you know about the scenery? 6 the Nile No river in the world is _____________ the Nile. It is 6,671 kilometers ______. lt is ____________ river in the world. It is ______ than any other river in the world. long longer the longest as long as How much do you know about the scenery? 7 the Caspian Sea No salt lake in the world is _____________ the Caspian Sea. It is 1025 meters _____. lt is ______________ salt lake in the world. It is ________ than any other salt lake in the world. deep deeper the deepest as deep as How much do you know about the scenery? 8 Grammar Part 02 Grammar Focus What did you find out? 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. 如何询问和表达物体的长度、宽度、高度、深度等。 如何询问物体的长度、宽度、高度、深度等？ 句型： How + long (wide, high, deep, big, heavy…)+谓语+主语+其他？ How wide is the mirror? 那面镜子有多宽？ 10 如何表达物体的长度、宽度、高度、深度等呢？ 观察并总结: It's 8,844.43 meters high. ______+______+___________(long, high, wide, deep…)构成的; 基数词 度量词 长\高\宽\深 主+be+ 物体的长、宽、高、深的表达法： 基数词+度量词（meters，kilometers, square kilometers）+形容词（long, wide, high, deep等）。 当基数词大于1时，度量词用复数形式。 e.g. The basketball player is 2 meters tall. The river is about 2 meters wide/deep. The mountain is about 2 thousand meters high. 11 1．The Yangtze River is about 6,397 kilometres ________.A．tall B．high C．long D．wide2．The new bridge in our village is _________.A．666 meter high B．666 high meters C．666 long meters D．666 meters long3．—What’s the ________ of the building? —It’s 236 metres ________.A．high; high B．height; height C．high; height D．height; high4．这张桌子有5米长。The desk is .5．这块岩石长5米，宽2米。The rock is and 2 meters wide. 巩固练习 √ √ √ five meters long 5 meters long Grammar Focus What’s the highest mountain in the world? Qormolangma. 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. Find the comparatives and superlatives. 此句型用比较级表达最高级含义 形容词和副词的原级,比较级,最高级 原级 Positive form 比较级Comparative form 最高级Superlative form 没有比较含义,“……” 两者间比较,“更……” 三者及三者以上比较,“最……” 注意：某些形容词和副词只用原级，如：perfect，excellent，dead等。 14 一、形容词、副词比较级和最高级变化规则 ①直接加 -er 或 -est tall—_____—______ long—______—______ ②以不发音的字母e结尾的单词直接加 -r 或 -st ③以“辅音字母+y” 结尾,把y变为i,再加 -er 或- est nice—______—______ heavy—________—________ taller tallest longer longest nicer nicest heavier heaviest ④辅元辅，且重读双写辅音字母再加 -er或 -est ⑤部分双音节词和多音节词 比较级：more+多音节形容词副词原级 最高级：most+多音节形容词副词原级 big—_______—_______ slowly—___________—___________ beautiful—______________—______________ bigger biggest more slowly most slowly more beautiful most beautiful 巧记：大big红red胖fat瘦thin湿wet热hot悲sad 原级 比较级 最高级 good\well better best bad\badly worse worst many\much more most little less least old older\elder oldest\oldest far farther(更远) further(进一步的) farthest\furthest 二、形容词、副词的比较级和最高级的不规则变化 Lucy doesn't study ______ ______ ____ Lily. 露西不如莉莉学习努力。 Eric is ____ ____ ____ Jerry. 埃里克和杰里一样高。 as/so hard as as tall as 三、形容词和副词的原级的用法 当两者进行比较时，若比较双方在某方面程度相同，常用“as+原级+as”型结构，否定形式为“not as/so+原级+as”。 常用于修饰原级的单词或短语：very、too、quite、so等 18 1．This room is as ________ as that one.A．bigger B．longer C．clearly D．clean2．Daniel is ________ his brother. They are both 1.76 meters tall.A．taller than B．as tall as C．so tall as3．—This film is ________ that one. —I agree, so I like both of them.A．as interesting as B．not as interesting asC．more interesting than D．less interesting than4．—Our classroom is ______ clean ______ yesterday.—Sorry, I’ll clean it right away.A．as; as B．so; as C．not so; as5．—Mum, could you buy me a car like this?—Certainly, we can buy _______ one like this, but _______ this.A．a worse, as good as B．a better, better thanC．more important, not as good as D．a cheaper, as good as 巩固练习 √ √ √ √ √ Our hometown is becoming ______ and ______ _________. 我们的家乡变得越来越美了。 higher than colder colder more more beautiful 四、形容词和副词的比较级的用法 （1）“A+谓语动词+比较级+than+B”表示“A比B更……”。 The Himalayas are _______ ______ the Alps. （2）“比较级+and+比较级”表示“越来越……”；多音节词和部分双音节词用“more and more+原级”。 It's getting _______ and _______. 天气变得越来越冷了。 20 The busier the happier （6）常用于修饰比较级的单词或短语：a little、a lot、a bit、much、even、far等 （3）“The+比较级..., the+比较级...”意为“越……，就越……”。 ___________ he gets, ____ ________ he is. 他越忙碌，就越高兴。 （4）“Which/Who（+of the two...）+谓语动词单数形式+比较级， A or B?”意为 “两者中哪一个/谁更……”。 Which of the two movies is more interesting, this one or that one? 两部电影中 哪一部更有趣，这一部还是那一部？ （5）“the+比较级+of the two...”意为“两者中更……的”。 He is the thinner of the two boys. 他是两个男孩中更瘦的一个。 21 1．Our country is getting ________ . Many foreigners would like to visit it.A．more beautiful and more beautiful B．more beautiful and beautifulC．more and more beautiful D．beautiful and beautiful 2．—The doctor tells me not to eat too much junk food, but I find it hard.—The doctor is right.________ junk food you eat, ________ you will be.A．The more; the healthier B．The most; the healthiest C．The less; the healthier D．The least; the healthiest 3．—Which is ________ of the twins, Lucy or Lily? —It’s hard to say. Both of them are good at their lessons.A．the cleverer B．cleverer C．cleverest D．the cleverest 4．—What do you think of the novel The Three-body Problem?—I’ve never read ________ one before. It is full of imagination（想象力）.A．the best B．the worst C．a worse D．a better 5．This book is ________ interesting, but that one is ________ more interesting.A．far; very B．far; much C．pretty; very D．pretty; much √ √ √ √ √ She runs fastest in our class. 她在我们班里跑得最快。 Tom is ____ ______ ______________ of us all. 汤姆是我们当中工作最努力的。 the most hard-working 五、形容词和副词的最高级的用法 （1）“（the+）最高级+of/among/in...”意为“（三者及以上）最……的”；形容词最高级前加the,副词最高级前可不加。 【注意】 介词of/among后接同句子的主语属于同一个概念范畴的名词或代词；而介词in后常接表示组织、团体之类的集体名词。 （2）“Which/Who+谓语动词+（the+）最高级， A,B or C?” 意为“三者中哪一个/谁最……”。 Which is ____ ________, the sun, the earth or the moon? 太阳、地球和月球，这三者中哪一个最大？ the biggest 23 （3）“one of the+形容词最高级+复数可数名词”意为“最……的……之一”。 One of ____ ______ __________ languages is English. 最重要的语言之一是英语。 the most important （4）“the+序数词+形容词最高级+单数可数名词”意为“第几最……”。 The Yellow River is ____ ________ ________ river in China. 黄河是中国的第二长河。 the second longest 巩固练习 1．Qomolangma is the _________ mountain in the world.A．high B．higher C．more higher D．highest2．London is one of the ________ famous ________ in the world.A．/; city B．most; cities C．more; cities D．most; city √ √ 3．—Hainan is a very large island. —Yes, it’s the second ________ island in China.A．large B．larger C．largest D．the larger4．Which city has ________ population, Beijing, Wuhan or Shanghai?A．larger B．the largest C．more D．the most5．Of all the performers, I think he is the ________ one.A．success B．most successfulC．more successful D．successful6．—Who runs _________? Jim, Tom or Sam? —Tom does, of course.A．fast B．faster C．most fast D．fastest7．—Tom, I hear that Bob runs ________ in your class. Is that true? —No. In fact, he doesn’t run as ________ as John.A．fastest; faster B．fastest; fast C．faster; fastest D．faster; fast √ √ √ √ √ （2）“比较级+than any other+名词单数形式”或“比较级+than the other+可数名词复数形式”可与“（the+）最高级+of/among/in...转换”。 The movie is the most interesting of all. 这部电影是所有电影中最有趣的。 =The movie is more interesting than _____ ______ movie. =The movie is more interesting than ____ ______ movies. any other the other 六、原级、比较级与最高级之间的转换 （1）as...as结构和最高级的转换 No ocean in the world is as big as the Pacific Ocean. 太平洋是世界上最大的海洋。 =The Pacific Ocean is ____ ________ ocean in the world. the biggest 1．He is not as tall as Mike.(改为同义句)Mike is him.2．This is the highest mountain in the country. (改为同义句)No mountain is this one in the country. 3．This river is longer than the other rivers in the country.（改为同义句）This river is in the country.4．Nobody else is cleverer than Daniel in his class. (同义句改写)Daniel is student in his class.5．It is the most beautiful city in China.（改为同义句）It is than in China. 巩固练习 taller than as high as the longest the cleverest more beautiful any other city Presentation Part 03 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. 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. longest longer high popular big older much 4a big much popular long old high 29 4b Write two comparisons about two topics. Write true facts. e.g.Two rivers: ________________ and _________________ _____________________________________________________________________________________________________________________________________________ the Yangtze River the Amazon River The Amazon is longer than the Yangtze, but the Yangtze is the longest river in China. The Yangtze River is almost as long as the Amazon River. Two cities: and Ji Nan Bei Jing population of Ji Nan Population of Bei Jing 8,700,000 21,540,000 The population of Jinan is not___ _____ _____ that of Beijing. The population of Beijing is ______ ______than that of Jinan, as large as much large 30 Two cities: ________________ and _______________ ________________________________________________ ________________________________________________ ________________________________________________ Shanghai Sydney Shanghai is not as big as Sydney. Sydney is much bigger than Shanghai. Sydney is almost 2 times as big as Shanghai. Area:12368 sq km Area:6340 sq km 4c Write five questions about Chengdu using comparisons. Then discuss your questions in groups. 1. _________________________________ 2. _________________________________ 3. _________________________________ 4. _________________________________ 5. _________________________________ What is the highest building in Chengdu?? What is the largest single buiding in Chengdu? Which is the busiest road in Chengdu? What is the most popular street in Chengdu? What is the most delicious food in Chengdu? 32 Exercises Part 04 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. I know you are shorter than your brothers，but you run _________. A. more faster B. fastest C. more fast D. fast 4. Mr Smith thought the Century Park was the second _____ in Shanghai. A. large B. larger C. largest D. very large 5. I think English is as ____ as maths.    A. important   B. more important   C. most important   D. importanter 一、单项选择 B B B C A 1. China is _______ (large) than any other country in Asia. 2. Our city is becoming more and more _________ (beautiful). 3. The _____ (much) we do for the old people, the _______ (happy) we’ll be. 4. My brother is the ______ (tall) of the two boys in the picture. 5. Her bedroom is twice _________ (big) than mine. 6. Mrs. Smith looks much __________ (young) with her new hairstyle. 7. China is one of __________________(ancient) countries in the world. 8. The Yellow River is the second ________ (long) river in China. 二、用括号中所给单词的适当形式填空 taller larger beautiful more happier longest bigger younger the most ancient 二、根据汉语意思完成句子,每空一词。 登陆火星比我们想象中要难得多，但我们做到了 Landing on Mars was　 　 　 　 　　　　　than we imagined, but we made it. 2. 袁隆平是最伟大的科学家之一，他对世界做出了重要的贡献。Yuan Longping, one of 　　 　　　　 　　　　　, made important contributions to the world. 3. 我认为四月是泰国最热的月份。 I believe that April is 　　 　　　　 　　　　in Thailand. 4. 汤姆是我们班年龄第二大的学生。 Tom is　　 　　　　 　　　　student in our class. 5. 这栋房子的起居室比其他任何房间都大。 The living room is bigger　　　 　　　 　　　room in this house. much more difficult the　greatest　scientists the　hottest　 month than　any　 other the　second　 oldest Summary Part 05 形 容 词 副词 比较级 用 法 2.less＋原级＋than + B “A不如B...” The book is less interesting than that one. 这本书不如那本书有趣。 3.the＋比较级，the＋比较级，“越……，越……”， The busier the old man is,the happier he feels. 那老人越忙越高兴 1.比较级+than (比……) “A比B更...” Jim is older than Geoffrey. Jim比Geoffrey大一些。 4.具体数字、实物、倍数等+比较级+than，与具体倍数比较。 He is a head taller than I. 他比我高一个头。 This box is three times bigger than that one. 这个箱子是那个的三倍大。 5.比较级表示最高级 比较级 + than + any other + 可数名词单数： = 比较级 + than + the other + 可数名词复数 = 最高级 + 可数名词单数 “比其他任何都...” The Nile is longer than any other river in the world. =The Nile is longer than the other rivers in the world. =The Nile is the longest river in the world. 尼罗河比世界上其他任何一条河都长。 形 容 词 最高级 用 法 1.The +最高级+of (in) (最……) Spring is the best season of the year. 春季是一年中最好的季节。 He works hardest in his class. 他是班上学习最用功的一个。 4.疑问词 + be/动词 + the + 最高级, A, B or C？“ABC中，哪一个最...” Who runs the fastest, Lily, Lucy or Ben? 谁跑得最快，莉莉，露西还是本? 3.“one of the+ 最高级+可数名词复数+in/of短语”， …是最…的之一 例：Miss Li is one of the most popular teachers in our school. 李老师是我们学校最受欢迎的老师之一。 2.“the+序数词+最高级+可数名词单数+in/of短语” “…是第…最…的” 例：The Yellow River is the second longest river in China. 黄河是中国第二长河。 注意：最高级前不加the的情况。 1)最高级前有物主代词时，不再加the。 Wu Fen is my best friend. 吴芬是我最要好的朋友 2)如果两个最高级并列修饰同一个名词,第二个最高级前不加the He is the youngest and tallest boy in his class. 他是班上年龄最小、个子最高的男孩。 Homework Part 06 Homework 1. Do the exercises in students’ book. 2. Read and recite the words and phrases in Section A (GF-4c). 3. Preview the passage in Section B 1a-1d. 感谢观看 Thank you $$