1、Unit 6 When was it invented?Section B 3aSelf Check一、教学目标1. 复习本单元所学习的单词和词组。2. 掌握下列重点句型：This special pen was invented by Liu Jie.It has three colors and is used for3. 能够在小组活动中积极和他人合作，巩固一般过去时被动语态的用法。4. 能够用英语介绍某一发明的简要过程，并完成写作训练。5. 开阔学生的眼界，养成勤于思考，善于发现的好习惯。二、教学重点及难点重点：1. 掌握本单元常用词汇及表达方式。2. 用英语介绍某一发明的简要过程。难
2、点：能够用英语介绍某一发明的简要过程，并完成写作训练。三、教学准备教师：教学课件；多媒体设备学生：课前预习四、教学过程Step 1 Revision Practice and review some words.【设计意图】复习有关一般过去时被动语态的用法，激发学生的学习兴趣。Step 2 Pre-writingLook at the pictures and have discussions.T: Do you know these cool inventions?S1: T: What is it used for?S2: T: Have you ever come across any
3、difficulties in your daily life?S3: T: Can we invent something new to solve those difficulties?S4: 【设计意图】通过对学生所熟悉的话题进行讨论来激发学生的表达欲望，锻炼学生口语表达能力，并引出3a的学习内容。Work on 3aThink and make notes.【设计意图】这是一个承上启下的环节，承上复习了所学新知，为完成3b写作奠定基础。Step 3 While-writingWork on 3b1. Write descriptions of their new inventions.
4、 2. Learn the writing guide. 【设计意图】通过构建文章结构的方式，帮助学生快速理清写作方向，为3b写作的顺利展开打下基础。然后通过引导学生当堂进行写作训练，提高学生的写作水平。Step 4 Post-writingSelf CheckWork on 11. Complete the passage with the correct forms of the words. Work on 22. Rewrite these sentences using the passive voice.Work on 33. Find out information about
5、invitations they would like to know more about and write sentences. 【设计意图】在语境中复习并运用本单元所学习的重点词汇和一般过去时的被动语态。4. Review some phrases and sentences.1. 把分开 divideinto2. 阻止某人做某事 stop sb. from doing sth.3. 钦佩；仰慕 look up to4. 鼓励某人做某事 encourage sb. to do sth.5. 实现他们的梦想 achieve their dreams6. 人们相信历史上第一次篮球比赛是在1
6、891年12月21日。It was believed that the first basketball game in history was played on December 21, 1891.7. 他被要求想出一种能在冬季玩的比赛。He was asked to think of a game that could be played in winter.8. 他将班里的人分成两队并教给他们玩这个游戏。He divided the men in his class into two teams and taught them to play his new game.9. 同时他们需
7、要阻止竞争队将球投入自己的篮筐。At the same time, they need to stop the competing team from getting the ball into their own basket.Test1. My mother told me that my homework must _on time.A. finish B. be finish C. be finished D. finished 2. The number of teachers in our school _60 and a number of them_ male teachers
8、.A. is; are B. are; is C. am; are D. be; are3. If it_tomorrow, we_ go to the park.A. rains; wont B. will rain; wont C. rains; dont D. will rain; will do 4. All the books will _ to the children who live in the small village.A. be sent B. sent C. be send D. send5.Do you know the lady_ is interviewing
9、our headmaster? Yes, she is a journalist from CCTV.A. which B. who C. whom D. whoseStep 5 SummaryKey words and phrases:nearly, mention, all of a sudden, come up withKey sentences:This special pen was invented by Liu Jie.It has three colors and is used forStep 6 Homework1. Recite Self Check 1.2. Tell your friend about the development of basketball.五、板书设计Unit 6 When was it invented?第5课时 Section B 3aSelf CheckKey words and phrases:nearly, mention, all of a sudden, come up withKey sentences:This special pen was invented by Liu Jie.It has three colors and is used for
