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1、Unit6 When was it invented?SectionA3a-3cUnit 6 When was it invented？ Section A3a-3c An Accidental Invention教学主题Unit 6 When was it invented?Section A 3a-3c An Accidental Invention课时1教材分析本单元以“发明（Inventions）”为核心话题，围绕本单元语言交际功能项目“谈论发明的历史（talk about the history of inventions）”, 逐步展开各项听说读写的活动，使学生了解历史上的发明对人
2、类生活的影响，拓展学生的视野，激发学生发明创造的欲望。本节课是该单元的第二课时，主要是通过学习茶的发明的故事在文章语篇中理解、学习和运用目标语言。通过学习，能用含有被动语态的句子表述某项发明对人类的影响，讲述一件事物发明史和发展历程。教学目标1. 知识目标： (1).通过预习理解掌握词汇：accidental, by accident, ruler, boil, remain, smell, trade, doubt, without doubt.(2). 通过阅读课文掌握被动语态的过去时态：was/were +pp.(3). 通过学习、阅读了解茶的发展史、历程和作用。2.技能目标：(1).
3、Be able to grasp and use the key vocabulary and target language.(2). To learn to grasp and use the passive voice of the pasttense.(3). After reading the passage about tea, learn to find the information and master how to talk about the history of inventions.An Accidental Invention 教学设计：教学重点1. To read
4、 the passage ,learnhow to talk about the history of inventions using the passive voice of the past tense.2. To grasp and use the passive voice of the past tense.教学难点To talk about the history of inventions by using the passive voice of the past tense.教学方法任务型教学法，视听教学法、情境激励法、 听说训练法。教学环节教师活动学生活动设计意图Step
5、1. Warming-up1. Greet the Ss.2. Free talk:Show some pictures of tea to the Ss, and talk about the kinds, effects of tea.1. Greet the teacher.2. Watch the pictures onthePPTand think, talk, speak.通过热身活动自由谈话， 让学生看茶的图片及茶的种类功效等， 让学生全名了解茶。Step2.Pre-reading1. Lead-in:Have a contestand ask students to answe
6、r.2. Prediction:Watch , think, predict, answer1. 通过看茶的竞赛题，激发他们学习兴趣和热情， 让他们在情境中了解所学内容， 迅速融入课堂2. 通过让学生回答问题，预测本课内容，让学生熟悉话题，激活相关语言。Show the titleand thepicture to the Ss , let them predict what thepassage about.Step3. While- readingTask 1.Ask the students to read the passage quickly and match each parag
7、raph with its main idea.Read , Think, Match, discuss Check通过让学生快速略读课文， 并找出每段的主题， 让学生明确这篇文章的主题。Task 2.Ask the Ss to read P1 and finish the mind map. Then call some Ss to give the answers and check.Read carefully, Find, think, discuss, check通过细读课文回答问题， 让学生了解到茶的发明人、时间、地点和发明的方式。Task 3.Ask the Ss to read
8、 P2 and choose the best answer.Read, think, answer, discuss,通过细读， 学生了解茶经的内容和作者。培养学生理解细节的能力。Task 4.Ask the Ss to read P3 and fill in the blanks. Then call some Ss to answer them and check together. Comment their answers and their performance in class.Read, think, Discuss, find, answer让学生了解茶的传播、贸易及中国在
9、茶文化历史上的地位， 培养学生理解处理细节的能力。Task 5. RetellingAsk the Ss to retell the story according to the mind map. They can choose any form to finish their work.Think Speaksummarize通过复述课文进一步理解巩固所学内容， 从整体上把握文章结构、主题,总结本课所学知识， 让学生对茶的历史有更深刻的了解深化主题， 培养文化意识和情感态度。Step4.Post-ReadingTask 6. SummaryAsk the Ss. to summarize
10、the contents learnt today.Read , think, speak, summariz e通过总结让学生对本文的主题、结构更加明了。Homework:1. After class read the passage again, try to retell the passage.2. Finish the exercise in 3c.3. To look up more information about tea.Remember theexercise and finish it通过作业理解巩固所学知识和技能，拓展学生的知识面和视野。板书设计Unit 6 Section A 3a-3c An Accidental InventionThe discovery of teaThe history of teaMore information about tea culture The popularity of tea