八年级英语下册unit7课件.ppt

1、Unit 7 Whats the highest mountain in the world？ Section A,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

2、词加-er -est,tall taller- tallest,clever 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：,形容词与副词的原级,1.无比较对象时用。,I

3、am tall. He is hungry.,2.原级前的修饰词。,very quite so too pretty.,3.肯定 as+原级+as,Art is as interesting as music. Play as well as you can.,4.否定 not+as(so)+原级+as English is not so/as difficult as science. She does not study so/as well as I do.,形容词和副词比较级的用法,1.Who runs faster, he or she?,2.He runs faster than

4、she.,3.He runs much faster than she.,4.He becomes healthier and healthier.,5.The more you exercise, the healthier you will be.,6.She is less healthy than he.,1.表示两者之间的选择, 可用“Which/Who + 比较，or?”.,2.表示两者之间的比较，通常用连词 than 引导， 表示“更一些”,3.much/far/a lot, even ,still ,a little/a bit 修饰比较级,表示程度.,Who runs fas

5、ter, he or she?,He runs faster than she.,He runs much faster than she.,4. “比较级+and+比较级”表示“越来越”,5. “the+比较级 , the + 比较级”表示“ 越, 越 ”,6. 表示不及另一方时，用“less+原级+than” (双音节和多音节词),He becomes healthier and healthier.,The more you exercise, the healthier you will be.,She is less healthy than he.,He is healthier

6、than she.,Shanghai is becoming more and more modern.,1.比较级 + and +比较级 越来越 2.the+比较级 , the + 比较级 越, 越 ,3._you are, _mistakes you will make. (你越仔细，做错的题目就越少） 4. _you eat, _youll be. (你吃得越多,就越胖) 5. Alice writes well. Mary writes _ than she. (甚至更好）,The more careful,the fewer,The more,the fatter,1.The gir

7、l becomes _. (越来越漂亮）,more and more beautiful,2. The weather is getting _. (越来越槽糕）,worse and worse,even / still better,1.表示三者或三者以上比较,可用”Which/Who +最高级,or ?”表示.,2. 最高级+of/among (同类比较) in (范围比较),4.one of +,形容词最高级,+名词复数表示“最 之一”,3. 序数词修饰最高级,形容词和副词的最高级的用法,Who is the tallest, Tom , Mike , or Jack?,Tom is t

8、he tallest of the three.,Mike is the second tallest student in our class.,Jack is one of the tallest students in our class.,Tom runs (the) fastest in our class.,3. Lin Tao is _ in the class because he never gets to school on time. （最懒的学生之一） 4. Edison was_ in the world. (最伟大的发明家之一）,one of the laziest

9、 students,one of the greatest inventors,The Yangtze River is_ river in the world. (第三长河）,the third longest,2. The Atlantic is _ ocean in the world. ( 第二大洋）,the second biggest,Exercise:,一、翻译句子：,二、同义句转换,1. Flat A is more expensive than Flat B Flat B is _ _ than Flat A. Flat B is _ _ Flat A. Flat B is

10、not _ _ _ Flat A.,2. I prefer maths to English. I like maths _ English.,better than,3.He is the tallest student in the class. He is _ in the class.,taller than any other student,any other +名词单数,less,expensive,cheaper,than,as,expensive,as,1.Hainan is a very large Island .It is the second _ island in

11、china. (large) 2.Our teacher is as _ as before. (busy). 3.He is _ among us. (careful) 4.Li Lei jumped far _ than Jim. (far) 5.The busier he is, the _ he feels. (happy) 6.I think Yao Ming is one of _ basketball players in NBA. (hot),busy,the most careful,farther,happier,largest,the hottest,三、完成句子,1.

12、Complete the chart.,higher,highest,more dangerous,most dangerous,longer,longest,more popular,most popular,The worlds highest mountain in the world.,Do you know how high it is?,It is 8,844 meters high.,Qomolangma,Do you know Sahara is the biggest desert in the world?,Yes, it is about 9,600,000 square

13、 kilometers in size.,Sahara,The worlds deepest salt lake,The Caspian Sea,Do you know that how deep the worlds deepest Salt lake?,Yes, it is 1,025 meters deep.,the Nile,the longest river in the world,Its 6,671 kilometers long.,The second longest river in the world,-Do you know its name? -It is Amazon

14、. -Do you know how long it is? -Its about 6,500 kilometers long.,The longest river in Asia.,The Yangtze River,Do you know that the Yangtze River is the longest river in Asia?,Yes, it is 6,300 kilometers long.,Its 8,844 meters high. 它有8,844米高。 It is meters high (long, wide). 它米高（长,宽)。 “有多长（宽，高）”时， 将数

15、词和数量单位放在表示长宽 高的形容词前,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.,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,o25 meters deep.

16、,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.,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 i

17、n 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 the deepest salt lake in

18、the world? B: Caspian sea.,Pair work,A: What is the longest river in the world? B: Nile.,4a. 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. 2. Qomolangma is 8,844.43 meters_.,big much

19、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_smaller.,popular,big,older,much,e.g. Two rivers：_ and _ _ _,4b. Write two comparisons about two topics

20、. 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.,4c. Write five questions using comparisons. Then ask your partner your questions.,_ _ _ _ _,What is th

21、e 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 city?,_ The Yangtze River is about _kilometers long and the Yellow River is_ kilometers long. _ China has t

22、he biggest population in the world. Its a lot bigger than the population of the US.,2a. 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

23、 the US, and it is the biggest country in Asia.,1,3,2b. Listen again and fill in the blanks 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

24、 of the US.,6,3005,0005,464300,2,4,6,300,5,464,_ 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.,1,3,5,000,300,population 的用法,1.What is the population in China ? How large i

25、s the population of China? Its 1300000000.,2.The population of Beijing is 500000. Beijing has a population of 500000. Beijings population is 500000. Beijing is a city with a population of 500000.,3.The population of China is bigger/larger than that of the USA. The population of the USA is smaller th

26、an that of China.,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 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

27、： 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 world.,2d. Role-play the conversation.,1 Feel free to ask me anything on todays Great Wall tour. 在今天的长城游中，大家尽管随意问我任何问题。 feel free to do

28、sth 随意做某事 Can I use your bathroom? Yes, feel free. 2 ancient adj.古代的 古老的 My grandmother often tells me old ancient stories.,3 protect v.保护 Sunglasses are used for protecting our eyes in the sun. 4 As far as I know, there are no man-made objects as big as this. 据我所知，再没有像它这样大的人造物体了。 as far as I know 据

29、我所知 As far as I know , Tom has a twin sister.,5 achievement n.成就 成绩 achieve v. This is a wonderfulachievement in Chinese history. 6 southwestern adj. 西南的 southwest n. Our hometown is in the southwestern part of this city. 7 thick adj.厚的 浓的 There is thick fog in the morning in this mountain area.,8 E

30、ven more serious difficulties include freezing weather conditions and heavy storms. 更加严峻的困难包括极冷的天气状况和巨大的风暴。 1）difficulty 困难 If you have any difficulties, you can call me for help. We found the house without difficulty. 2）include v. 包括 Our subjects include Chinese , English math and so on.,9 freezing

31、 adj. 冰冻的 It isfreezingoutside, and put on your winter coat. 10 condition n. 条件 状况 The piano was in goodcondition. 11 take in Large fish takes in small fish in the sea .,12 succeed v.成功 success n. successful adj. successfully adv. I hope she will succeed soon by working hard. 13 challenge v.挑战 It is

32、 a big challenge for the girl to do housework by herself. The boy challenged his friend to a fight after school. 14 in the face of 面对 They showed their courage inthefaceofdifficulty.,15 The spirit of these climbers shows us that we should never give up trying to achieve our dreams. 这些登山者的精神向我们表明：我们决

33、不应该放弃实现自己的梦想的尝试。 1）give up doing sth 放弃做某事 He gave up smoking after he got out of the hospital. 2）achieve our dream实现。 =make our dream come true He achieved great success in a short time.,16 force n. 力量 The army was the most important forcein the country. 17 nature n. 大自然 The beauty of nature makes

34、people forget trouble.,Paragraph 1 List four dangers for climbers:,thick clouds hard to take in air; Freezing weather conditions; Heavy storms;,3b. Read the article again and complete the chart.,Paragraph 2 List three achievements:,1953 - Tenzing Norgay and Edmund Hillary were the first to reach the

35、 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 be stronger than the forces of nature,Where are the Himalayas? 2. How high is Qomolangma?,3c. Answer the questions using info

36、rmation 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 the main reasons is because people want to challenge

37、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.,2. Match verbs and objects. Then add one more object to each list.,Reach the top of

38、a mountain Reach the library Reach the bus stop Reach the agreement （达成协议）,Achieve my dreams Achieve success Achieve the first place Achieve our goal,Unit 7 Whats the highest mountain in the world?,Section B,1a. Compare facts about these two animals. Use the language in the box to help you make sent

39、ences.,Example sentence: This elephant weighs many times more than this panda. (200 cm taller/shorter, weigh much more/less, eat much more/less eat many times more),This elephant is 200 cm taller than this panda. This elephant eats many times more than this panda. This elephant eat much more than th

40、is panda.,1b. Listen and check () the numbers you hear.,_100 _ 16 _ 20 _ 50 _ 120 _ 0.1 _ 0.2 _ 150,1. At birth, a baby panda is about _to _ kilos. 2. At birth, a baby panda is about _ cm long. 3. A baby panda is not black. It is _ and it has no _. 4. A panda can live up to _to _ years.,1c. Listen a

41、gain and complete the sentences.,pink,0.2,15,0.1,teeth,20,30,1d. Take turns telling your classmates about pandas.,A: A baby panda cannot see. B: An adult panda weighs many times more than a baby panda.,1. An elephant weighs ( few / many ) times more than a dog. 2. An adult panda can eat ( much / a l

42、ittle ) more than a cat. 3. Canada is a (little / lot) less _ (crowded) than China. 4. A tiger is ( much / a little ) _ (strong) than a man.,3 Circle the correct word and/or fill in the blank with the correct form of the word in brackets for each sentence.,crowded,stronger,big bamboo zoo popular cut

43、e black and white Sichuan famous endangered beautiful forest protect,2a. Talk about pandas in your class. Use these words to help you,Pair work,2b. Scan the article to find out what these numbers mean: 10,12, 200，2,000.,Scanning This means moving your eyes quickly down the page to find specific info

44、rmation.,It is 8:30 a.m. at the Chengdu Research Base. Lin Wei and the other panda keepers are preparing the milk for the baby pandas breakfast. At 9:00 a.m., they find that most of the babies are already awake and hungry. When the babies see the keepers, they run over with excitement and some of th

45、em even walk into their friends and fall over!,“Theyre so cute and lovely. I take care of them like theyre my own babies. I wash, feed and play with them every day. Theyre very special to me.” Lin Wei loves her job, but it is a difficult one. Pandas do not have many babies, maybe only one every two

46、years. The babies often die from illnesses and do not live very long.,Adult pandas spend more than 12 hours a day eating about 10 kilos of bamboo. Many years ago, there were a lot more bamboo forests and pandas in China, but then humans started to cut down the forests. Scientists say there are now f

47、ewer than 2,000 pandas living in the remaining forests. Another 200 or so live in zoos or research centers in China and other countries.,An education program in Chengdu teaches children in cities about pandas and other endangered animals. They send people to schools to tell children about the import

48、ance of saving these animals. The children sing songs or make artwork about pandas and other wild animals. Teaching children is one way to help save pandas. The Chinese,government is also planting more bamboo trees so there will be more forests for pandas to live in. We all hope that in the future t

49、here will be a lot more pandas than now.,What is Lin Weis job? 2. What do the baby pandas eat for breakfast?,2c. Scan the article again and write short answers to the questions.,A panda keeper.,The milk.,3. What do adult pandas eat? 4. Why are pandas endangered? 5. What is one way of saving pandas?,

50、Bamboo.,(1) The number of pandas is getting thinner. (2) The pandas dont have many babies. (3) The babies often die from illness. (4) Humans cut down the bamboo forests.,Teaching children the importance of saving pandas / Planting more bamboo trees.,1. The panda _at the Chengdu Research Base are awa

51、ke very early in the morning to _ breakfast for the baby pandas. 2. Adult pandas do not have babies very _ , and some of the babies only live for a short time because of _.,2d. Complete the sentences using words and phrases from the passage.,keepers,prepare,often,illnesses,3. Another reason for fewer and fewer panda