Module3Unit2教案

Unit 2 We haven t found life on other planets yet Teaching Aims and Demands 1 Language knowledge New words planet solar also none environment air grow grown part galaxy billion universe light beyond alone entrance cost prefer solar system Key structures Present perfect tense with just already and yet 重点 2 To understand passages about space travel involving present perfect tense 难点 3 Attitudes We should love science and our country Learning strategies Communicative approach Teaching Aids Multi Media Tape recorder video OHP handout Teaching Procedures Part I Revision 1 Help students to revise what is learnt in Period one of this module Show them some pictures about the new words in last period Have the Ss spell them chorally and individually 2 Revise the p p forms of some irregular verbs be was were been have had had give gave given sell sold sold write wrote written go went gone get got got come came come fly flew flown see saw seen do did done take took taken send sent sent eat ate eaten find found found break broke broken Part II Preparation Task 1 Learn the new words Directions Label the pictures with the words 1 Read through the words on the screen Have the Ss Repeat them after you 2 Read the words separately and have them remember them 3 Make some sentences with the words 4 Call back the answers from the whole class Task 2 Think about things you know about life on other planets Directions 1 Let the Ss look at the picture and the title of the unit Read thesentence given Elicit some more from the Ss and note them on the board Accept anything they give 2 Pair the Ss to talk about life on other planets Part III Scanning and Skimming 1 Task Read the passage and choose the best title Directions Step one The teacher ask the Ss to read the titles Step two Ss read the passage and choose the best title individually Step three Call back the answers from the whole class asking for reasons for their choice 2 Task Read the passage and put the words and expressions in order in activity 3 Directions Step one First make sure the Ss understand what they should do Ss read the passage and do activity 3 on page 21 individually and check with a partner Step two Call back the answers from the whole class having individuals read out the answers 3 Task Check the true sentences in activity 4 Directions Step one Read through the sentences and make sure the Ss understand what they mean Ss do activity 4 on page 21 individually and check with a partner Step two Call back the answers from the whole class having individuals correct the wrong sentences Part IV Dealing with expressions 1 However we haven t found life on other planets yet 然而 我们在其他行星上还 没有发现生命 however 是副词 一般在两句之间 其后用逗号 表示转折 We have not won however we shall try again 我们还没有取胜 不过我们还要再试一下 2 The earth is a planet and it goes around the Sun Eight other planets also go around the Sun 地球是行星 它围绕着太阳转 还有 8 颗行星也围绕着太阳转 1 过去一直认为太阳系有九大行星 水星 Mercury 金星 Venus 地球 Earth 火星 Mars 木星 Jupiter 天王星 Uranus 海王星 Neptune 冥王星 Pluto 2006 年 科学家一致认定太阳系有八大行星 水星 金星 地球 火星 木星 天王星 海王星 即去掉原来的冥王星 2 注意 数词 other 名词的复数 而 another 数词 名词的复数 例如 I have eaten 2 apples I would like 3 other apples 我已经吃了 2 个苹果了 我想再吃 3 个 I have eaten 2 apples I would like another 3 apples 我已经吃了 2 个苹果了 我想 再吃 3 个 文章中还有一句 But scientist have discovered many other galaxies in the universe 但是科学家在宇宙中 已经发了很多其他的星系 3 The stars we see at night are the suns in other solar systems 我们在晚上看见的星星 是其他太阳系中的恒星 1 we see 是定语 修饰 The stars 2 sun 小写作为普通名词使用 表示 恒星 如果大写 表示我们太阳系中的 太阳 例如 The Sun is shining 4 With so many stars in the universe are we alone or is there life out there in space 宇宙 中有这么多的恒星 我们是孤独的吗 太空中还有其他生命吗 With so many stars in the universe 是介词短语 在句子中作状语 表示伴随情况 例如 The boy ran in with a ball in his hand 小男孩手里拿着球 跑了进来 Part V Language use 1 Activity 5 on page 21 in the WB Direction Ss do it by themselves Let s see who can finish it as soon as possible Then discuss in pairs