Unit3Underthesea.doc

Unit 3 Under the seaI．教学内容分析本单元的中心话题是海底世界听说读写活动主要围绕海底的动植物、奇妙景观和有关大海的神话展开的Warming Up部分通过讨论海底生物和了解海底世界的途径导入本单元话题Pre-reading部分通过讨论图片导入课文并介绍故事背景Reading部分讲述了一个虎鲸助人捕鲸、救人脱险的故事课文中采用了大量的动作描写，并使用了大量的-ing形式Comprehending部分由三个练习题组成，旨在逐步加深学生对课文的理解Learning about Language部分突出了本单元词汇和语法的学习与训练本单元的语法是-ing形式的被动语态Using Language部分包括阅读和写作两部分课文通过对海的世界奇观妙境的描写，为学生树立了景物描写的典范写作部分要求学生仿照课文描写景物本部分中，形容词的顺序和复合形容词的构成也是学生应了解的内容Summing Up部分要求学生对本单元的内容、词语和结构进行总结，有助于学生Learning Tip 部分介绍了合成形容词的构词法，并指导学生在写作中主动利用构词规则组词II．教学重点和难点1. 教学重点(1) 本单元的生词和短语；(2) 掌握运用-ing 形式的被动式；(3) 学会在对话和写作中表达责备、抱怨以及要求赔偿。

2. 教学难点(1) 帮住学生更多地了解海洋生物，培养学生尊重海洋、爱护海洋生物的道德品质；(2) 学会仿照课文描写景物；(3) 学会复述故事III．教学计划本单元建议分五课时：第一课时：Warming up, Pre-reading, Reading & Comprehending 第二课时：Learning about Language第三课时：Reading and discussing (Using Language) 第四课时：Reading, discussing and listening (Using Language) & Speaking and writing (Using Language)第五课时：Reading task (Workbook) & Writing task (Workbook)IV．教学步骤：Period 1 Warming up, Pre-reading, Reading & ComprehendingTeaching Goals: 1. To arouse Ss’ interest in animals and plants living under the sea.2. To develop Ss’ reading ability.3. To appreciate how the writer describes movements.Teaching Procedures:Step 1. Leading-inPurpose: To arouse Ss’ interest in the content of this unit.1. Ask Ss to collect information about sea animals and plants and answer the following question.Can you name some animals and plants living under the sea? What’s you favorite? Speak about it. 2. Ask Ss to collect information about whales and answer the following question. (1) Are whales fish? How do you know? (2) What is a killer whale? What do you know about it?Step 2. Warming up Purpose: To get Ss to know something about the content of this unit.1. Get two or three Ss to talk about their favorite animals or plants under the sea. And ask Ss to answer the following question. From where did you learn this? 2. Ask Ss to look at the three pictures of Warming Up on P19 and answer the following questions.(1) What are your favorite sea plants and animals(2) Where can you find them?(3) If possible, would you like to keep some at home?Step 3. Pre-readingPurpose: To get the Ss prepared for reading the text.1. Ask Ss to talk about whales. Teacher may say, “Today, we are gong to read a story of a large animal living in the sea, a killer whale. Do you think whales are fish? Why do you say so? Then get one of two Ss to talk about whales.”2. Ask Ss to look at the picture of Pre-reading and answer the following questions.(1) what do you think is happening? (2) What is a killer whale? Can you tell me about it? Step 4. Fast reading Purpose: To get Ss to read for the general idea. 1. Ask Ss to read the text fast and sum up the main idea of the text and answer the following question.In what person is the text written?Suggested Answer: The text is written in the first person.2. Play the tape and ask Ss to read after it.Step 5. Intensive reading Purpose: To develop Ss’ reading ability of scanning.1. Play the tape again sentence by sentence and ask Ss to underline what they cannot understand.2. Ask Ss to discuss what they have underlined.3. Read the following sentences and ask Ss to find whether they are true or false. (1) The writer didn’t believe that killer whales could help whale hunters until he saw it with his own eyes.(2) When the writer heard the great noise, he knew that a killer whale was telling them that there was a whale nearby. (3) Gorge could hardly wait to hunt a whale and followed the killer without putting on right clothes.(4) Gorge beat the water with his oar so that the killer could swim faster.(5) There were altogether seven killers attacking a whale.(6) After the whale died, the hunters dragged it home. (7) It was a shark that saved James after he fell into the sea.Suggested Answers:(1) True (2) It was Gorge who told the writer that Old Tom was telling them there was a whale.(3) It was the writer who didn’t have the right clothes on.(4) Gorge beat the water because Old Tom disappeared.(5) True(6) After the whale was killed, it was the killers that dragged it into deep water.(7) It was Old Tom that saved James.4. Ask Ss to make a dialogue according to the questions in Ex1 of Comprehending on P21 and then act it out.Step 6. Language points (1)Purpose: To learn the language points in the text.1. Present the following phrases on the blackboard. Ask Ss whether they are what they have underlined and then ask them to translate them into Chinese. Finally, get them to remember。