人教版八年级英语unit7whatsthehighestmountainintheworldsectionA.ppt

1、,Unit7 Whats the highest mountain in the world?,the highest mountain,Language goals,Talk about geography and nature. 形容词/副词的比较级和最高级变化规则和用法 Try to love our nature.,the earth,We live on the earth.,We have only one earth.,China is in Asia.,It has the biggest population in the world.,It is one of the ol

2、dest countries in the world.,A: Which is the longest river in China?,the Yellow River,the Yangtze River,B: The Yangtze River.,Zhujiang River,A: Which is the longest river in the world?,B: The Nile.,The second longest river in the world,-Do you know its name? -It is Amazon. -Do you know how long it i

3、s? -Its about 6,500 kilometers long.,Language Goal: Talk about geography and nature,Do you know these interest places?,Qomolangma,Qomolangma runs along the border between China and Nepal. It is covered with snow all the year round. Its 8844.43 high, the highest in the world. Its 26 kilometers long.,

4、Ask And Answer,Whats the highest mountain in the world? How high is it?,The Nile is the longest river in the world. Its more than 6600 kilometers long. It runs through 9 countries, its one of the largest river flows through the international states in the world and runs into the Mediterranean Sea(地中

5、海) in the end.,The Nile,Ask And Answer,Whats the longest river in the world? How long is it?,The Caspian Sea,The Caspian Sea is the biggest lake in the world. It lies in the border between Asia and Europe.,Ask And Answer,Whats the deepest salt lake in the world? How deep is it?,The Sahara is the big

6、gest desert in the world. It is located in the northern Africa, climate conditions are very bad, is one of the earths most not suitable for biological survival.,The Sahara,Ask And Answer,Whats the biggest desert in the world? How big is it?,The Yangtze River is the third longest river in the world,

7、the first Asian rivers. Its 6211.31 kilometers long. The Yangtze River Basin, east-west width of 3219 kilometers, about 966 kilometers wide north-south, passing through 11 provinces. It runs into the East Sea in Shanghai finally.,The Yangtze River,Ask And Answer,What/Which is the est in the world? H

8、ow big/deep/long/high is it?,What is the highest mountain in the world? What is the longest river in Asia?. ,Talk about these pictures in pairs.,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,1a. M

9、atch the facts you know.,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.,Explaination,Review adj n long length wide width deep depth high height tall tallness thick thickness,。的高度 。的人口 。的长度 。的速度,the height of,t

10、he population of,the length of,the speed of,你能写出它的同义句吗 ？ The mountain is 1,500 meters high.,The mountain is 1,500 meters in height. The height of the mountain is 1,500 meters.,翻译句子 1.这张桌子两米长，一米宽。 2.这座山有1500米高。 3.这栋楼120米高。 4.这本字典有五厘米厚。 5.这个湖有多深？ 1025米深。,The table is two meters long and one meter wide

11、.,The mountain is 1,500 meters high.,The building is 120 meters tall.,The dictionary is five centimeters thick.,How deep is the lake? Its 1,025 meters deep.,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.

12、4. The Nile is _ river in the world.,1b. Listen and complete the sentences.,higher,the biggest,the deepest,the longest,1c. Use the information in 1b to make conversations.,A: What is the highest mountain in the world? B: Qomolangma.,A: What is the biggest desert in the world? B: Sahara.,A: What is t

13、he deepest salt lake in the world? B: Caspian sea.,Pair work,A: What is the longest river in the world? B: Nile.,_ The Yangtze River is about _kilometers long and the Yellow River is_ kilometers long. _ China has the biggest population in the world. Its a lot bigger than the population of the US.,2a

14、. Listen and number the facts 1-4 in the order you hear them.,6,3005,0005,464300,2,4,_ 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, and it is the biggest country in Asia.,1,3,2b. Listen again and fill in the b

15、lanks in 2a with the numbers in the box.,_ The Yangtze River is about _kilometers long and the Yellow River is_ kilometers long. _ China has the biggest population in the world. Its a lot bigger than the population of the US.,6,3005,0005,464300,2,4,6,300,5,464,_ China is over _ years old. It has a m

16、uch longer history than the US. The US is not even_ years old. _ China is almost as big as the US, and it is the biggest country in Asia.,1,3,5,000,300,A: Did you know that China is one of the oldest countries in the world? B: Yes, I did. Its much older than my country.,2c. Make conversations using

17、the information in 2a.,Group work,Guide： Feel free to ask me anything on todays Great Wall tour. Tourist 1：How long is the wall? Guide： Ah, the most popular question! If were only talking about the parts from the Ming Dynasty, its about 8,850 kilometers long. This makes it the longest wall in the wo

18、rld.,2d. Role-play the conversation.,Tourist 2: Wow, thats 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， its quite tall and wide. As far as I know, there are no man-made objects as big as this. Tourist 3: Is Bad

19、aling part of the Ming Great Wall? Guide: Yes, its the most famous part.,3a. Read the article and match each paragraph with the main ideas.,Qomolangma the Most Dangerous Mountain in the World?,One of the worlds most dangerous sports is mountain climbing, and one of the most popular places for this i

20、s the Himalayas. The Himalayas run along the southwestern part of,China. Of all the mountains, Qomolangma rises the highest and is the most famous. It is 8,844.43 meters high and so is very dangerous to climb. Thick clouds cover the top and snow can fall very hard. Even more serious difficulties inc

21、lude freezing weather conditions and heavy storms. It is also very hard to take in air as you get near the top.,The first people to reach the top were Tenzing Norgay and Edmund Hillary on May 29,1953. The first Chinese team did so in I960, while the first woman to succeed was Junko Tabei from Japan

22、in 1975. Why do so many climbers risk their lives? One of the main reasons is because people want to challenge themselves in the face of difficulties.,The spirit of these climbers shows us that we should never give up trying to achieve our dreams. It also shows that humans can sometimes be stronger

23、than the forces of nature.,Paragraph 1 Spirit of climbers Paragraph 2 Achievements of climbers Paragraph 3 Facts and dangers,Paragraph 1 List four dangers for climbers:,thick clouds Snow slide; Freezing weather conditions; Heavy storm;,3b. Read the article again and complete the chart.,Paragraph 2 L

24、ist three achievements:,1953 - Tenzing Norgay and Edmund Hillary were the first to reach the top; 1960 - The first Chinese team did so; 1975 the Japanese Junko Tabei succeeded doing so.,Paragraphs 1 most popular places; the highest mountain; the most famous mountain,Where are the Himalayas? 2. How h

25、igh is Qomolangma?,3c. Answer the questions using information from the article.,The Himalayas run along the southwestern part of China.,It is 8,844.43 meters high.,3. Why do so many people try to climb this mountain even though it is dangerous? 4. What does the spirit of the climbers tell us?,One of

26、 the main reasons is because people want to challenge themselves in the face of difficulties.,The spirit of these climbers shows us that we should never give up trying to achieve our dreams. It also shows that humans can sometimes be stronger than the forces of nature.,一 写出下列单词的比较级和最高级,1. good 2. co

27、mfortable 3. big 4. happy 5. cheap 6. many 7. difficult 8. little,1. good 2. comfortable 3. big 4. happy 5. cheap 6. many 7. difficult 8. little,better best,more most ,bigger biggest,happier happiest,cheaper cheapest,more most,more most ,less least,1. Lily gets up _ (early) than Lucy. 2. Which goes

28、_ (slowly), Tom or Jim? 3.This book is _ (interesting) than that one.,earlier,more slowly,more interesting,二 根据所给词的适当形式填空,4. She works _ (careful) in her school. 5. Who goes to bed _ (late) Jim, Tom or Jack? 6. I think turkey is _ (delicious) of all.,the most carefully,latest,the most delicious,Home

29、work,Can you think of more examples to show is the mostin the world? Compete with your classmates.,Unit 7 Whats the highest mountain in the world?,Section A Grammar Focus,Grammar Focus,4a. Fill in the blanks with the correct forms of the words in the box.,1. The Amazon River is one of the _ rivers i

30、n the world. Its a little _ than the Yangtze River. 2. Qomolangma is 8,844.43 meters_.,big much popular long old high,longest,longer,high,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_smalle

31、r.,popular,big,older,much,e.g. Two rivers：_ and _ _ _,4b. 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.,Two ci

32、ties：_ and _ 1._ 2._ _,Two animals：_ and _ 1._ 2._ _,Pair work,4c. 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 del

33、icious food in our city?,Where is the busiest road in our city?,Grammar Focus,(一)数词 Numeral,数词是用来表示事物的数目和顺序的词。,数词的分类： 1.基数词 2.序数词 3.分数词 今天我们先来学习一下基数词。,1. 复习1100以内的所有数字。 2. 掌握百、千、万、十万、百万的表达法。,1、1-19的基数词,one 1 two 2 three 3 four 4 five 5,six 6 seven 7 eight 8 nine 9 ten 10,eleven 11 twelve 12 thirteen

34、 13 fourteen 14,fifteen 15 sixteen 16 seventeen 17 eighteen 18 nineteen 19,2、2090等十位数,twenty 20 thirty 30 forty 40 fifty 50 sixty 60 seventy 70 eighty 80 ninety 90,twenty-one 21 twenty-two 22 其它的十位数照此类推，如： thirty-one 31 forty-two 42 seventy-five 75 ninety-six 96,3、百、千、万,百 hundred 100 one hundred 200

35、 two hundred 以此类推 千 thousand 1 000 one thousand 2 000 two thousand 英语里没有“万”这一单位，万也用thousand表示。如：10 000 ten thousand 一万20 000 twenty thousand 两万,4、十万、百万,十万的说法是： 100.000 a (one) hundred thousand 200.000 two hundred thousand million 百万 a (one) million 1,000,000 two million 2,000,000 以此类推 8,000,000 eigh

36、t million,练一练 345 1001 18,657,421,three hundred and forty-five,one thousand (and) one,eighteen million, six hundred and fifty-seven thousand, four hundred and twenty-one,The project lasted 5 years and cost 2 billion dollars. 2. The Chinese have been making paper for two thousand years. 3. One thousa

37、nd pounds is a lot of money.,表示确定数量时 用基数词+ hundred，thousand，million，billion,多位基数词读法,457,890,608,389,three hundred and eighty-nine,four hundred and fifty-seven,eight hundred and ninety,six hundred and eight,1）101999的三位数由“百位数and+两位数组成”。 如：325three hundred and twenty-five,102 one hundred and two,635 si

38、x hundred and thirty-five,2)三位数以上的数，从个位往前数，每三位数加一个逗号，从后往前数的第一个逗号代表thousand, 第二个逗号代表million, 第三个逗号是billion，注意这几个词不能用复数形式，后也不能加and。例如： 2,648 two thousand, six hundred and forty-eight 16,250,064 sixteen million, two hundred and fifty thousand, sixty-four,确切数目与不确切数目的表达： hundred, thousand, million, billi

39、on等前面有 基数词，表示确切数目时，用单数，后直接 接复数名词；如： three hundred books one hundred people five thousand students seven million starts,表示不确切数目时，这类词后加-s且与of连 用。如： hundreds of people thousands of students millions of birds billions of lions 注意：这类短语中，名词前如有定冠词、指 示代词或形容词性物主代词时，可加of, 但 表示的是范围。如：two hundred of the workers

40、工人中的二百（人）,Grammar Focus,(二)形容词的比较级和最高级 comparatives and superlatives with adj. and adv.,short,-,shorter,small,-,smaller,nice,nicer,safe,safer,-,-,-,-,-,-,big,thin,heavy,heavier,happy,happier,找规律：,big,bigger,thin,thinner,delicious more delicious interesting more interesting important more important c

41、arefully-more carefully quickly-more quickly slowly-more slowly easily- more easily,找规律：,大多数形容词和副词有三个等级： 原级、比较级、最高级。 一、形容词比较级的构成 1.构成的不规则变化: 2.构成的规则变化:,形容词和副词的比较级,1. 构成的不规则变化: e.g. good / well better best bad / badly worse worst many / much more most little less least far farther / further farthest/

42、 furthest,2. 构成的规则变化: 1) 单音节词和少数双音节词一般在词尾 后加-er 构成比较级 或-est构成最高级. 如： 原级 比较级 最高级 cold colder coldest bright brighterbrightest young younger youngest,2) 以字母 e 结尾的词只加 r 或-st 构成 比较级和最高级。 原级 比较级 最高级 nice nicer nicest fine finer finest large larger largest,3) 重读闭音节词末尾只有一个辅音字母 时, 先双写这个辅音字母, 再加-er或-est。 如:

43、big bigger biggest thin thinner thinnest 4) 以“辅音字母+ y”结尾的双音节词， 先改y为i, 再加-er或-est。如： easy easier easiest happy happier happiest,5) 多音节词和部分双音节词在词前加more 或most。如： delicious more delicious most delicious interesting more interesting most interesting importantmore important most important,carefully-more c

44、arefully-most carefully quickly-more quickly -most quickly slowly-more slowly -most slowly easily- more easily -most easily,形容词最高级的构成,tall,taller,tallest,B: heavy easy tidy dry busy happy healthy hungry early,y - i- est,C: large late nice,- st,biggest,D: big,hot,hottest,thin “双写”,thinnest,wet,wettes

45、t,fat,fattest,Adjective,delicious dangerous interesting popular beautiful careful friendly,the most - adj .,Adjective,better best,far,little,worse worst,more most,farther farthest,less least,good,well,bad,badly,many,much,1. good 2. comfortable 3. big 4. happy 5. cheap 6. many 7. difficult 8. little,

46、better best more comfortable most comfortable bigger biggest happier happiest cheaper cheapest more most more difficult most difficult less least,用法：英语中三者或三者以上相比较，表示 “最” 这样的最高程度概念时，要用 “the+最高级” 的结构表示。这种句式一般带有表示比较的介词短语，比如: in our class, of the three 等。 例如：Wang Lin is the tallest in our class. This th

47、eater is the cheapest of the three. 注意使用最高级时应注意以下几点：,形容词的最高级,(1) 表示 “最之一” 的句式，要用 one of the +形容词最高级+复数名词。 例如: Jingjiang Hotel is one of the biggest hotels in our city. Lisa is not one of my best friends. (2) 当最高级前面有物主代词或名词所有格时， 不加定冠词 the。 例如：Tom is Lucys best friend. Tuesday is her busiest day.,(3)

48、最高级前可加序数词。 例如：The Yellow River is the second longest river in China. (4) 形容最高级修饰作表语或介词宾语的名词，代词时，被修饰的词往往省略。 例如：He is the laziest (student) in our class.,2. 形容词比较级和最高级的构成 规则变化 一般情况下，单音节或双音节的形容词比较级直接加-er, 最高级直接加-est。如： clevercleverercleverest cheapcheapercheapest fewfewerfewest smallsmallersmallest you

49、ngyoungeryoungest,b. 以-e 结尾的形容词，比较级+ -r,最高级+ -st。如： largelargerlargest nicenicernicest cutecutercutest c. 以辅音字母+y结尾的形容词，变y为i +er或+est。 busybusierbusiest heavyheavierheaviest easyeasiereasiest happyhappierhappiest dirtydirtierdirtiest,d. 以重读闭音节结尾，末尾只有一个辅音字母结 尾的词，双写最后一个辅音字母，再加+er或 +est。 如： bigbiggerbi

50、ggest thinthinnerthinnest fatfatterfattest hothotterhottest e. 多音节和部分双音节形容词，需在原级前+more 构成比较级，+ most 构成最高级。如： importantmore importantmost important beautifulmore beautiful most beautiful difficultmore difficultmost difficult,3. 不规则变化：,最高级规则变化口诀：,最高级，很容易，一般词尾加est。 (cheap-the cheapest) 词尾若有哑音e, 直接就加st。

51、 (close-the closest) 重读闭音节, 单辅音字母要双写。 (big-the biggest) 辅音字母加y, 记得把y变为i。 (friendly-the friendliest) 多音节，考考你，the most到底加哪里？ (popular-the most popular),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 _ _ stud

52、ent 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,What,think of,shorter,the other,anyone else,shorter,练习：改写句子,The Comparative Superlative Degrees of Adjectives & Adverb

53、s,总 结,形容词和副词 比较级和最高级,late later - latest,early earlier earliest,big bigger- biggest,fluently/difficult more, most,重读闭音节、末尾只有一个 辅音字母双写加 er 或 est,单音节词在词尾比较级加- er或最高级加- est,以e结尾的词，只需加r 或st,以辅音字母加 y 结尾双音节词变 y 为 i 加 er 或 est,部分双音节和多音节词在原级前加 more 或 most,少数以er,ow 结尾的双音节词加-er -est,tall taller- tallest,cleve

54、r cleverer-cleverest,cheap, cold, small, warm, young, high,fine, nice, safe,happy, busy, dirty, easy, lazy, pretty,fat, hot, red, thin, wet, sad,narrow, yellow,quickly, slowly, useful, careful, popular, modern,形容词和副词比较级和最高级构成 (规则变化),不规则变化,good / well better - best,much / many more - most bad / badly / ill worse worst little less least far farther/ further farthest furthest old older/ elder oldest / eldest,形容词和副词比较级的用法,1.Who runs faster,