英語北師大版選修7 Unit20 warm-up and lesson 1 《Futurology》教案

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111 Unit 20 Warm-up and Lesson 1 Teaching aims I. words and phrases： frontier telescope atom microscope astronomy bacteria radium solar crew panel institute compute sense impact ethical radioactive polonium seminar life-sized screen handy biochemistry theoretically robot database meanwhile source exploration barbershop artificial intelligence, light year, search engine, solar system, take over, carry out, data processing, the International Space Station, click into, in terms of, II. listening and discussion about something of science III.to read the text and study the language points Teaching time Two periods Teaching process Step 1 Revision Step 2 new words learning 1.ask some students to read the new words first and correct their pronunciation 2.play the tape and have them read after the tape 3.give them a few minutes to read the new words freely ,tell them if they can’t read the words,encoreage them to ask the teacher . Step 3 Warm-up 1.Read unit objectives, and ask the students to tell us the meanings. 2.Exercise 1 a) let the students read the words and then match the branches of science with the pictures. b)to discuss the pictures with the class 3.Exercise 2 a)let the students read the Key Words and make sure that they really understand the meanings of the Key Words. b)students do the exercise individually, and then check their answers 4.Exercise 3 a)make sure the class know what to do. Then play the tape twice, ask some students to say their answers to the class. 5.Exercise 4 a)read the questions first b)have the students work in pairs and discuss the questions step 4 Reading 1.Before you start a) read the exercise 1 and ask the students if they know the phrases’ meaning. And give them a few minutes to discuss the answers b)check their answers and ask them to give reasons for their answers. 2.Read to learn a)???? ask the students look at exercise 2, and then play the cassette twice. b)???? give them ten minutes to read the text and fill the table. c)???? check theirs answers 3.Language points a)???? look into向...的里面看, 窺視; 瀏覽;觀察, 調查 e.g.: The mayor promised to look into whether the clash was designed, or it just happened by accident. 市長答應調查這次沖突是預先計劃好的,還是偶然發(fā)生的。 He looked through a number of journals before he started the research project. 他在進行該項研究課題前查閱了許多期刊。 b)???? hundreds of好幾百, 許許多多 c)???? communicate with通話, 通信;［英］（房間等）互通 to communicate with a person 與人聯(lián)絡 eg:The Minister for Foreign Affairs has already communicated on this event with the American President. 外交部長已經跟美國總統(tǒng)就此事件交換過意見了。 This room communicates with the other room. 這個房間與那一個房間相通。 d)???? in terms of adv. 根據, 按照, 用...的話, 在...方面; 以…的觀點；就…而說 g)the amount of… …數目 an amount of相當數量的; 一些 a large amount of大量 h)carry out 完成, 實現, 貫徹, 執(zhí)行 e.g.：I have carried out my work. 我已經完成了我的工作。 i)by the year 2020 到2020年之前 by the middle of the century到本世紀中葉之前 by the end of the century到本世紀末 j)millions of times數以百萬倍的 k)link…to… （與on, to, in to連用）聯(lián)合，（常與together, to, with連用）連接 l) suitable for/to adj.適合...的 e.g.: This toy is not suitable for young children. 這個玩具不適合小小孩玩。 books suitable for children適合兒童閱讀的書籍 This wine is not suitable to my taste.這酒不合我的胃口。 m)both…and… 既...又... step 5 Summary and exercise a)summary: important phrases b)exercise 1 in page 66 step 6 homework ?? copy the new words 111