北师大版高二英语第七单元第三课课件.doc

Unit 7 Lesson 3 The Sea WorldILearning aims: 1.To practice reading for specific information from brochure. 2.To get to know some words and expressions about the sea world in the text3.to know some animals under the sea4.to learn the grammar of the comparative and superlative degree in this lesson5.to use new words correctly and make sentences by themIIDifficult points: names of underwater animals; some phrases and expressions in the text;grammar of the comparative and superlative degree in this lessonIIITeaching methods: communicative approach; task-based teachingIVTeaching aids: computer and the textbook VTeaching proceduresStep 1. Leading up Enjoy some interesting pictures on the PPT. Let the class read these words about animals together.penguins；polar bears; white shark; dolphin; acrobatic(杂技的）seal; whale; coral; crab; unusual fish; flying fish; fish with light; noisiest fish; tiniest fish; icebergStep 2: ListeningListen to the recording and answer the questionsHow many areas are there in the Underwater World? What are they?Polar World、 Ocean Floor、 Sea Theatre Discovery Pool、 Virtual Reality VoyageStep 3: Reading Pre-reading Exercise 1. Which of these animals can you see in the pictures.Key words:crab, dolphin, polar bear, penguin, whale, coral, shark, fishExercise 2. Read the brochure. Find where you can see these things in Underwater world:1. fish which use a light to attract food-Virtual Reality voyage2. Dolphins in performance-Sea theatre3. Fish that can appear to fly in the water-Ocean Floor4. Sea creatures that children can touch -Discovery Pool5. A big iceberg-Polar world While-reading First, encourage volunteers to read the text so as to practice their oral English.Second, explain the text in detail so as to help them to understand some difficult words and expressions and grasp some language points. 1. energeticfull of energy 2.educateto teach or train sb. 3.attractto make sb. interested 4. watch outbe careful 5.up-to-datemodern & popular 6.discounta reduction in price7 iceberg 冰山,浮冰 8 penguin企鹅9 coral珊瑚 10 trick把戏，戏法(in Ex3,trick or treat,万圣节）11 shark 鲨鱼 12 crab 螃蟹13 seal 海豹 14 fly 苍蝇 Post-reading Do the following tasks: Task 1. Read the text carefully and then fill in the form.（ask students to write the answer on the blackboard)AreasWhat to seeWhat to doPolar WorldPolar bears; a real icebergWatch the acrobatic seals.Meet less energetic but more friendly penguins.Ocean Floorthe most beautiful coral and the most unusual fishWatch some fish “flying” through the water.Sea Theatre intelligent dolphinsWatch fantastic shows.Discovery Poolcrabs and other smaller creaturesTouch smaller creatures.Be educated about daily life on the beach.VirtualRealityVoyagenoisiest fishprettiest fishtiniest fishdolphinsthe great white sharkListen to some fish which can produce sounds as loud as your speaking voice.Watch some fish attracting other fish with a light on their body and then eating them.Look for the tiniest fish which is not as big as a fly.Swim with dolphins and face an attack by the most dangerous creatures in the sea. Task 2. Do exercise 3, and check the answer. Task 3. Discussion A.which part of Underwater World would you like to visit? Why?B.“a dolphins smile is natures greatest deception. It creates an illusion that they are always happy, which is not the case at all.”-The CoveSo, do you like watching animal shows in theme parks? Do you think it is right to capture animals? Why or why not?Step 4:Grammar Do exercise 5.Do exercise 6.The comparative degree: less adj.than/ more adj. than: to say that two people, things or activities are not equalPenguins are more friendly than seals.Penguins are funnier than polar bears. (not)as adj. as: to say that two people, things or activities are (not) similar or equal They can eat fish as big as themselves.A shark is not as friendly as a dolphin.The superlative degree: the adj-est: to say that some is uniqueThe tiniest fish is not as big as a fly in your house. You can see some of the strangest fish in the world. Do Exercise 7. Write the adjectives in the correct form.Dolphins are (1 small)smaller than whales but they are probably (2 intelligent) the most intelligent creatures in the sea. (3 big) the biggest dolphins can measure four metres in length but common dolphins are usually less than two metres long. Dolphins are one of (4 friendly) the friendliest to people and often follow ships. Dolphins also have a (5 good) better system of communication than other animals. They are (6 easy) the easiest of all animals to train and are often (7 popular) the most popular animals with children round the world.Do Exercise 9.补充： 比较级表示最高级You certainly wont find a noisier fish.The movie is fantastic. Ive never seen a better one.I cant agree more.China is larger than any countries in Africa.He is taller than any other boys in the class.Step 5: Homework1. Finish exercise8 2. Translation 姚明快有两个我那么高了。Yao Ming is almost twice as tall as I am.你的门票比我的便宜一百元。Your ticket is 100 yuan cheaper than mine.Some fish can prod