八年级英语下册unit7课件ppt.ppt

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1、 Unit 7 Whats the highest mountain in the world？ Section Alate later - latestearly earlier earliestbigbigger- biggestfluently/difficultmore, most单音节词在词尾比较级单音节词在词尾比较级加加- er或最高级加或最高级加- est以以e结尾的词，只需加结尾的词，只需加r 或或st少数以少数以er,ow 结尾的双音节结尾的双音节词加词加-er -esttalltaller- tallest clevercleverer-cleverestcheap, co

2、ld, small, warm, young, highfine, nice, safehappy, busy, dirty, easy, lazy, prettyfat, hot, red, thin, wet, sad narrow, yellow quickly, slowly, useful, careful, popular, modern, 不规则变化：不规则变化：原级比较级最高级 good /well better best bad /ill worse worst little less least many /much more most far farther /furth

3、er farthest /furthest old older /elder oldest /eldest形容词与副词的原级1.无比较对象时用。无比较对象时用。I am tall. He is hungry.2.原级前的修饰词原级前的修饰词。very quite so too pretty.3.肯定肯定 as+原级原级+asArt is as interesting as music.Play as well as you can.4.否定 not+as(so)+原级+asEnglish is not so/as difficult as science.She does not study

4、so/as well as I do.形容词和副词比较级的用法形容词和副词比较级的用法 1.Who runs faster, he or she?2.He runs faster than 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表示两者之间的选择, 可用可用“Which/Who + 比较，比较，or?”.3.

5、much/far/a lot, even ,still ,a little/a bit 修饰比较级修饰比较级,表示程度表示程度.Who runs faster, he or she?He runs faster than she.He runs much faster than she.4. “比较级比较级+and+比较级比较级”表示表示“越来越越来越”5. “the+比较级比较级 , the + 比较级比较级”表示表示“ 越越, 越越 ” 6. 表示不及另一方时，用表示不及另一方时，用“less+原级原级+than” (双音节和多音节词双音节和多音节词)He becomes healthie

6、r and healthier.The more you exercise, the healthier you will be.She is less healthy than he.He is healthier than she.Shanghai is becoming more and more modern.1.比较级比较级 + and +比较级比较级 越来越越来越2.the+比较级比较级 , the + 比较级比较级 越越, 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.

7、(你吃得越多,就越胖)5. Alice writes well. Mary writes _ than she. (甚至更好）The more carefulthe fewerThe morethe fatter1.The girl becomes _. (越来越漂亮）more and more beautiful2. The weather is getting _. (越来越槽糕）worse and worseeven / still better1.表示三者或三者以上比较表示三者或三者以上比较,可用可用”Which/Who +最高级最高级,or ?”表示表示.2. 最高级最高级+of/a

8、mong (同类比较同类比较) in (范围比较范围比较)4.one of +形容词最高级形容词最高级+名词复数表示名词复数表示“最最 之一之一”3. 序数词修饰最高级序数词修饰最高级形容词和副词的最高级的用法形容词和副词的最高级的用法Who is the tallest, Tom , Mike , or Jack?Tom is the 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 (th

9、e) 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）（最懒的学生之一）4. Edison was_ in the world. (最伟大的发明家之一）最伟大的发明家之一）one of the laziest studentsone of the greatest inventors1. The Yangtze River is_ river in the world. (第三长河）第三长河）the third longest2. The A

10、tlantic is _ ocean in the world. ( 第二大洋）第二大洋）the second biggestExercise:一、翻译句子：一、翻译句子：二、同义句转换二、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 not _ _ _ Flat A.2. I prefer maths to English. I like maths _ English.better than3.He is the tallest

11、 student in the class. He is _ in the class.taller than any other studentany other +名词单数名词单数lessexpensivecheaperthanasexpensiveas 1.Hainan is a very large Island .It is the second _ island in china. (large)2.busycarefulhappy6.I think Yao Ming is one of _ basketball players in NBA. (hot)busythe most

12、carefulfartherhappierlargestthe hottest三、完成句子三、完成句子1. Complete the chart.AdjectivesComparativesSuperlativeshighdangerouslongpopularhigherhighestmore dangerousmost dangerouslongerlongestmore popularmost popularThe worlds highestmountain in the world.Do you know howhigh it is?It is 8,844 metershigh. Q

13、omolangmaDo you know Sahara is the biggest desert in the world?Yes, it is about 9,600,000 square kilometers in size. SaharaThe worlds deepest salt lake The Caspian SeaDo you know that how deep the worlds deepest Salt lake?Yes, it is 1,025 meters deep.the Nilethe longest river in the worldIts 6,671 k

14、ilometers long.The second longest riverin the world -Do you know its name? -It is Amazon. -Do you know how long it is? -Its about 6,500 kilometers long.The longest river in Asia. The Yangtze RiverDo you know that the Yangtze River is the longest river in Asia?Yes, it is 6,300 kilometers long. Its 8,

15、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，将数词和数量单位放在表示长宽高的形容词前翻译句子翻译句子 1.这张桌子两米长，一米宽。这张桌子两米长，一米宽。2.这座山有这座山有1500米高。米高。 3.这栋楼这栋楼120米高。米高。4.这本字典有五厘米厚。这本字典有五厘米厚。5.这个湖有多深？这个湖有多深？ 1025米深。米深。The table is two meters long and one meter wide.The mountain is 1,500 meters

16、high.The building is 120 meters tall.The dictionary is five centimeters thick.How deep is the lake? Its 1,o25 meters deep. 你能写出它的同义句吗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 mounta

17、in 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 in the world.1b. Listen and complete the sentences.higherthe biggestthe deepestthe longest1c. Use the information in 1b to make conversations.A: What is the highest mountain in

18、 the world? B: Qomolangma.A: What is the biggest desert in the world? B: Sahara.A: What is the deepest salt lake in the world? B: Caspian sea.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 _ r

19、ivers in the world. Its a little _ than the Yangtze River.2. Qomolangma is 8,844.43 meters_. big much popular long old highlongestlongerhigh 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 _smal

20、ler.popularbigoldermuche.g. Two rivers：_ and _4b. Write two comparisons about two topics. Write true facts. the Yangtze Riverthe Amazon RiverThe 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 que

21、stions using comparisons. Then ask your partner your questions.1._2._3._4._5._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 city?_ The Yangtze Rive

22、r 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. Listen and number the facts 1-4 in the order you hear them.6,3005,0005,46430024_ China is over _ years old. It has a much longer hi

23、story 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.132b. 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 th

24、e biggest population in the world. Its a lot bigger than the population of the US.6,3005,0005,464300246,3005,464_ 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.135,000300pop

25、ulation 的用法的用法1.What is the population in China ? How large is 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 th

26、an that of the USA. The population of the USA is smaller than 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.Guide： Feel free to ask me anything on todays Great Wall

27、 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 world.2d. Role-play the conversation.1 Feel free to ask me anything on todays Great Wall tour.

28、在今天的长城游中，大家尽管随意问我任何问题。feel free to do 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

29、它这样大的人造物体了。as far as I know 据我所知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 t

30、his mountain area.8 Even 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 s

31、o on.9 freezing 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.

32、挑战It is 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

33、们决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 trueHe 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 people

34、 forget trouble.Paragraph 1List four dangers for climbers:thick cloudshard to take in air;Freezing weather conditions;Heavy storms;3b. Read the article again and complete the chart.Paragraph 2List three achievements:1953 - Tenzing Norgay and Edmund Hillary were the first to reach the top;1960 - The

35、first Chinese team did so; 1975 the Japanese Junko Tabei succeeded doing so.Paragraphs 1 & 3List four comparisons: most dangerous sport;most popular places;the highest mountain;the most famous mountainbe stronger than the forces of nature1.Where are the Himalayas?2. How high is Qomolangma?3c. Answer

36、 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 the main reasons is because peopl

37、e 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.2. Match verbs and objects. Then add one more object to each list

38、.VerbsObjects1.reacha. my life, my money,.2. achieveb. the top of a mountain, the library,.3. riskc. my dream, success,Reach the top of a mountainReach the libraryReach the bus stopReach the agreement （达成协议）（达成协议）Achieve my dreamsAchieve successAchieve the first placeAchieve our goalUnit 7Whats the

39、highest mountain in the world?1a. Compare facts about these two animals. Use the language in the box to help you make sentences.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

40、200 cm taller than this panda.This elephant eats many times more than this panda.This elephant eat much more than this panda.1b. Listen and check () the numbers you hear._100 _ 16 _ 20_ 50 _ 120 _ 0.1_ 0.2 _ 1501. At birth, a baby panda is about _to _ kilos.2. At birth, a baby panda is about _ cm lo

41、ng.3. A baby panda is not black. It is _ and it has no _.4. A panda can live up to _ to _ years.1c. Listen again and complete the sentences.pink0.2150.1teeth20301d. 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

42、. An elephant weighs ( few / many ) times more than a dog.2. An adult panda can eat ( much / a little ) 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 correc

43、t form of the word in brackets for each sentence.crowdedstrongerbig bamboo zoo popular cute black and white Sichuanfamous endangered beautiful forest protect2a. Talk about pandas in your class. Use these words to help you2b. Scan the article to find out what these numbers mean: 10,12, 200，2,000.Scan

44、ningThis means moving your eyes quickly down the page to find specific information.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 pandasbreakfast. At 9:00 a.m., they find that most of the babies are already awake and hungry.When

45、the babies see the keepers, they run over with excitement and some of them 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 di

46、fficult one.Pandas do not have many babies, maybe only one every two 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 hu

47、mans started to cut down the forests. Scientists say there are now fewer 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 ani

48、mals. They send people to schools to tell children about the importance 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 Chinesegovernment is also planting more bamboo trees so there will be mo

49、re forests for pandas to live in. We all hope that in the future there will be a lot more pandas than now.1.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

50、 are pandas endangered?5. What is one way of saving pandas? 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 tr