安徽省长丰县高中英语Unit20NewFrontiersLesson3ScientificBreakthroughs教案北师大版.docx

Unit 20 New Frontiers Lesson 3 Scientific Breakthroughs课题Unit 20 Lesson3 Scientific Breakthroughs课型Reading第 3课时教学目标知识目标1. To learn some useful words and expressions.2. To learn to analyze the structure of the passage and accumulate some new words.3. To learn about some Scientific Breakthroughs and the scientists.能力目标To develop the students reading ability.情感目标To understand the text and get sense of the scientific development.内容分析重 点The useful expressions in Lesson 3.难 点1. Learn some useful reading strategy.2. To get students know about the scientific breakthroughs.关 键 点The words, phrases and the grammar教法学法Team-work and communication approach.教具学具Multi-media A tape recorder教学过程教材处理师生活动修改与创新I Warming upII. Pre-readingIII. ReadingIV. Language points. Warming up Task1: talk something about Newton and his discoveriesTask2: try to match the discoveries or inventions with the pictures.Task3: learn each of the scientist and their inventions or discoveries.Pre-reading1. Ask some students to read the new words first and correct their pronunciation2. Play the tape and have them read after the tape3. Give them a few minutes to read the new words freely, tell them if they cant read the words, encourage them to ask the teacher .Try to match the discoveries with how they were discovered? Reading1. Discuss the pictures and talk about the scientists major discoveries.2. Do exercise 2 by themselves.3. Let the students look at Reading Strategies and check their answers to exercise 1 and 2.4. Play the tape twice, and do exercise 4.IV. Language points1.think over v.仔细考虑, 重新考虑2.be aware of v.知道, 意识到eg: Everybody is aware of the importance of study.每个人都意识到了学习的重要性。I was not aware of the fire. 我没有意识到火。3.such as adv.例如.,象这种的, 诸如., 譬如说; 象.那样的; 如此.以致4.a piece of mass5.an amount of adj.许多, 相当数量的; 一些6.theory of relativity7.for example8.at the speed of以.的速度at a speed of eighty miles an hour 以每小时80英里的速度at fulltop speed 用全速, 开足马力尽力地; 尽快地9.be about to v.将要, 正打算eg: The chorus is about to sing.合唱团就要开始唱了10.in fact11.away from远离12.the further away galaxies are, the faster they move.13.go on holiday正在休假去休假14.come back v.回来, 在记忆中重现, 复原, 恢复, 反驳15.throw away v.扔掉, 丢弃16.out of the ordinary不平常的, 非凡的,例外的17.a few years later18.look for19.sothat20.turn on v.开启, 变得兴奋, 突然装出, 开始21.go out v.出去, 熄灭, 过时, 罢工, 向