福建省南安市石井镇厚德中学九年级英语上册 Unit 4 Topic 3 What do you know about Mars Section A导学案（无答案）（新版）仁爱版.doc

unit 4 topic 3 what do you know about mars 【学习目标】1.学习含有情态动词的被动语态；2.谈论外星人以及太空生活，学习表达可能和不可能的功能用语。【预习案】一、 读1a，完成1b 二、在文中找到并划出下面的短语 41.这周六晚上_ 2.太空生活_ 3.生活在火星_ 4.生活在太空_5.乘飞船旅行_6.在地球_7.将会有_ 8.将能够_ 9.真有意思！_10.(梦想)实现_ 11.为了了解人类文化_12.我亲眼见到他们_13.观看这样的电影_14.科学研究_ 15.造纸_16.在别的行星_17.make sentences_【探究案】在文中划出下面的句子并分析1.we will be able to do anything that can be done on earth. 译：_ 思考：that can be done on earth是_从句，修饰先行词_点拨：can be done - 能够/可以被做(带有情态动词的被动语态) 练习：a.这些树明天必须被栽种。these trees _ _ _ tomorrow.b.李明可能被选为我们班的班长。li ming _ _ _ as the _ of our class. c.下课后应该擦黑板。the blackboard _ _ _ after class.2. they are reading information on the internet in order to learn about human culture. 译:_ 点拨：in order to (do) - 为了 (后接目的状语)，否定形式 - in order not to (do)链接：so that - 为了 (后接目的状语从句)练习：1.过去为了赚钱他们什么都肯做。they did anything _ _ _ _ _ in the past. 2.为了通过考试，他每天学习十多个小时。_ _ _ _ fail the exam, he studied _ _ _ _ _ every day. 3.为了能赶上早班车今天早上他起床很早。he _ _ early _ _ he _ _ the early bus this morning. 4.为了提高口语他去年去了英国。he went to england last year _ _ _ _her_english.3.i dont think aliens can be found in space. 译：_点拨: 主语(第一人称)+think/suppose/believe/imagine/expect，后面宾语从句中的否定词not要前移到主句，即_ 注意：这种含有否定前移复合句的反意疑问句部分要与从句一致 练习：a.i expect they can make progress in english.(变否定句) _b.我相信他不会回来, 不是吗 i _ _he _ _back, _ _? c.我认为明天不会下雨，是不是？i _ _ it _ _ tomorrow, _ _?4.i wont believe there are aliens until i see them with my own eyes. 译：_ 点拨: notuntil - 直到才(until引导了时间状语从句)，从句中要遵循-主将从现的原则对比：until 和notuntil 分析：a.they kept waiting for her until she came back. 译：_ b.they didnt leave until she came back. 译：_总结：until前面主句的谓语动词是_; notuntil前面主句的谓语动词是_练习：1.昨天晚上直到完成作业我才睡觉。i _ go to bed _ i _ my homework last night. 2.明天我会一直等到你回来。i _ _ you _ you _ back tomorrow.【归纳】i. 选用所给单词并用其正确形式填空research, proper, basic, water, climate, risk, storm, admire, view, beyond 1. food, clothing and shelter are all _ necessities of life. 2. it isnt _ to visit a friend at this time. 3. astronauts will live and do _ work in it. 4. he saved my life at the _ of being hurt. 5. i would rather live in france for the good _.6. the students are _ the trees. 7. there was a bad _ last week. 8. the post office is _ the bridge.9. the _ from our house is very beautiful.10. i _ him for his courage. ii. 完成下列句子语态的变化1. your computer cant be repaired any more. _.2. you must finish all the work before tomorrow afternoon. _.3. he may make th