Unit 5 第3课时 (Section A 2d &GF-4c)（教学课件）-英语鲁教版五四学制2012八年级上册

Section A 2d&GF-4c 课型：听说课 老师：XXX Unit 5 What’s the highest mountain in the world? Contents 情景导入 1 语法探究 2 应用实践 3 迁移创新 4 回顾总结 5 考点速递 6 随堂小练 7 家庭作业 8 2 Language goals 01 02 03 04 语言能力 思维品质 文化意识 学习能力 能正确运用形容词副词的比较级和最高级对事物进行描述并对话。 通过讨论家乡之最,提升学生对家乡的热爱。 鼓励学生仔细观察并善于发现总结规律。 1.复习掌握比较级最高级的构成； 2.通过观察、对比和归纳，熟练掌握形容词和副词比较级和最高级的运用。 情景导入 Scenario import Part 1 4 Look and say Wow, that’s amazing. Today let’s travel to the Great Wall. Guide: Feel free to ask me anything on today's Great Wall tour. Tourist 1: How long is the wall? Guide: Ah, the most popular question! If we're only talking about the parts from the Ming Dynasty, it's about 8, 850 kilometers long. This makes it the longest wall in the world. Tourist 2: Wow, that's amazing! Why did the ancient emperors build the wall? Guide: The main reason was to protect their part of the country. As you can see, it's quite tall and wide. As far as I know, there are no other man- made objects as big as this. Tourist 3: Is Badaling part of the Ming Great Wall? Guide: Yes, it's the most famous part. Read 可以随便做某事 朝代 正如 adj. 令人惊奇的 adj. 人造的 2d curious proud surprised What’s the feeling of the guide and tourists? What does the guide say about the wall? Read It's quite tall and wide. It's the longest wall in the world. The ancient emperors built it to protect their parts of the country. There are no man-made objects as big as this. Badaling is the most famous part of the Ming Great Wall. The parts from the Ming Dynasty is about 8, 850 kilometers long It's the longest wall in the world. there are no other man- made objects as big as this. Role-play Pay attention to the colorful words. How long is the wall? 形容词副词比较级和最高级 大数的读法 语法探究 Grammar Part 2 9 What’s the highest mountain in the world? Qomolangma. How high is Qomolangma? It’s 8,848.86 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. Grammar Underline the comparatives and superlatives. 形容词副词 比较级和最高级 Grammar 形容词和副词的三个比较等级 原级 比较级 最高级 两者间 “一样...” 两者比 “更...” 三者及以上比“最...” China is almost as big as the US. Lily studies not as hard as Amy . Grammar Focus 同级比较的构成： ...as+___________+as.... 形容词副词原形 一、同级比较的构成和运用 Grammar 一、同级比较的构成和运用 (1)肯定形式 as+原级+as(像……一样) (2)否定形式 not + so (as) +原级+as(不如…那样) 同级比较 He runs as ______(fast )as you. English is not so _______ (difficult)as science. fast difficult Grammar 1.规则变化 (1)一般单音节词末尾加-er, -est . 如hard－harder－hardest (2)以不发音的e结尾的单音节词加-r,-st， nice － nicer － nicest；wide－wider－widest (3)以辅音字母+y结尾的双音节单词，先把y变为i，再加-er,-est early － earlier － earliest (4)以一个辅音字母结尾的重读闭音节单词， 双写末尾字母再加-er,-est red － redder － reddest (5)部分双音节词或多音节词在原级前加more,most interesting more interesting most interesting 2.不规则变化 ,需牢记 good － better－ best bad/ill －worse －worst little － less － least many/much － more －most 比较级 最高级 构成 二、比较级最高级的构成 (3)the＋比较级，the＋比较级，“越…，越…”， The harder you study, the better grades you will get. Grammar (1)A+比较级+than+B “A比B更...” Jim is older than Geoffrey. (2)A+less+原级+than+ B “A不如B...” The book is less interesting than that one. (4)具体数字、实物、倍数等+比较级+than，与具体倍数比较。 This box is three times bigger than that one. 三、形容词副词比较级的运用 比较级的修饰词： a little, a bit,far , even, a lot, much (5)比较级+than any other+单数名词(表最高级) “比其他任何的…都…” The Nile is longer than the other rivers in the world. 比较级 运用 China is much older than the US. Who sings better, Li Ming or Linda? The busier she is, the happier she feels. 三、形容词和副词比较级的运用 Grammar Lin Tao is taller than any other student in his class. (3)the+序数词+最高级+名词单数 表示“第几……的……” The Yellow River is the second longest river in China. Grammar (1)The +最高级+of (in) (最……) Spring is the best season of the year. (2)“one of the+ 最高级+可数名词复数+in/of”， …是最…的之一 Beijing is one of the biggest cities in China. 注意： 最高级前有物主代词时，不再加the。 Wu Fen is my best friend. 最高级 运用 四、形容词副词最高级的运用 形容词最高级前必须加the；副词最高级前的the可省略。 China is one of the oldest countries in the world. Amy works (the) hardest in Class 3. Canada is the second largest country in the world. Grammar 四、形容词副词最高级的运用 What’s the highest mountain in the world? Qomolangma. How high is Qomolangma? It’s 8,848.86 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. Grammar 数的读法与应用 =It’s 8,848.86 meters in height. (1)数的读法. 将每三位数看做一个单位，自右向左依次为thousand千， million百万，billion十亿。每个单位按百、十、个位向右读。 其中百位到十位之间要加入 and。 (2)表示确切的数量直接用基数词 Two hundred people were present at the meeting. Grammar 数的读法与运用 (3)表示不确切的数量用hundred、thousand、million、 billion等复数再搭配介词of。 Hundreds of students are playing on the playground. 数的 读法与运用 应用实践 Application Practice Part 3 21 Key words are helpful. 1. The Amazon River is one of the _________ rivers in the world. It’s a little ________ than the Yangtze River. 2. Qomolangma is 8,848.86 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. big much popular long old high longest longer high popular big older much 太平洋 Fill in the blanks with the correct forms of the words in the box. Practice 4a Write two comparisons about two topics. Write true facts. 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 Practice 4b Two animals: ________________ and _______________ ________________________________________________ ________________________________________________ ________________________________________________ Whales are almost as heavy as elephants. whales elephant Whales are heavier than elephants, but elephants are the heaviest animals on land. Write two comparisons about two topics. Write true facts. Practice 4b 迁移创新 Migration Innovation Part 4 25 Pair work Wow, that’s wonderful！ OK,our natural sightseeing tour is over. Next I will take you to visit some kinds of animals. Before that,let’s look around my hometown！ What is the ... in our city ? Fill in the chart. Then ask your partner. After that, try to make a report. Pair work What You Your partner the highest building the largest shopping mall the biggest park the longest road the busiest subway station “家乡之最” Make a report in groups. Show Report I am very honored to introduce our hometown to you. Xi’an is one of the ancient cities of China. It is clean and beautiful. The XXX Park is the most famous park in Xi’an... Welcome to Xi’an! I will take you around my town. Summary Part 5 29 (3)the＋比较级，the＋比较级，“越…，越…”， The harder you study, the better grades you will get. (1)A+比较级+than+B “A比B更...” Jim is older than Geoffrey. (2)A+less+原级+than+ B “A不如B...” The book is less interesting than that one. (4)具体数字、实物、倍数等+比较级+than，与具体倍数比较。 This box is three times bigger than that one. 形容词副词比较级的运用 比较级的修饰词： a little, a bit,far , even, a lot, much (5)比较级+than any other+单数名词(表最高级) “比其他任何的…都…” The Nile is longer than the other rivers in the world. 比较级 运用 Summary (3)the+序数词+最高级+名词单数 表示“第几……的……” The Yellow River is the second longest river in China. (1)The +最高级+of (in) (最……) Spring is the best season of the year. (2)“one of the+ 最高级+可数名词复数+in/of短语”， …是最…的之一 Beijing is one of the biggest cities in China. 注意： 最高级前有物主代词时，不再加the。 Wu Fen is my best friend. 最高级 运用 形容词副词最高级的运用 形容词最高级前必须加the；副词最高级前的the可省略。 Summary 考点速递 Language points Part 6 32 v. 保护；防护 作及物动词, protect… against/from…“保护…免于…”。 其名词protection作不可数名词，意为“保护；防卫”。 1.The main reason was to protect their part of the country. 考点 protect Language points He wears sunglasses to protect his eyes against/from the strong sunlight. It’s parents’ duty to provide protection for their children. one of the +形容词的最高级+ 名词复数 意为“最……之一”, 当它作主语时,后面的谓语动词要用单数。 2.The Amazon River is one of the longest rivers in the world. It’s a littleis a little longer than the Yangtze River. 考点 one of the... 1 Language points He is one of the tallest students in our class. Shanghai is one of the biggest cities in the world. She is one of the winners. a little 在这里修饰比较级longer, 起强调、加强程度的作用。修饰比较级的词(组)还有much、 even、 still、 far、 rather、 a lot、 a bit等。 2.The Amazon River is one of the longest rivers in the world. It’s a littleis a little longer than the Yangtze River. 考点 a little 2 Language points This book is a little thicker than that one. John is a little taller than Mike. This apple is a lot bigger than that one.  随堂小练 Exercises Part 7 36 一、单项选择 1.Protecting ourselves is one of _______ things we must do. A. important B. more important C. most important D. the most important 2.—What’s the second ________ river in China? —The Yellow River. A．longer B．the longer C．longest D．the longest 3.High-speed trains are much _______ than traditional ones. A. fast B. faster C. slow D. slower D C B Exercises 1.Lucy is____________________(fat) of the three girls. 2.Tom jumped_____________(high)than any other boy in his class.  3.The ________ (much) we do for the old people, the __________ (happy) we’ll be. 4.Tony didn't run as__________(fast) as Carter.  5.Spring is_____________(good) season of a year. 6.It is one of________________(heavy) bags in my room. .  the fattest more happier fast higher 二、用所给单词的正确形式填空。 Exercises best the heaviest 家庭作业 Homework Part 8 39 Homework 1.Review the new words and phrases . 2.Master the usage of the comparatives and superlatives. 3.(Optional) Write a short report about your hometown using the information we learned today. $$