1、英语必修3人教版新课标 Unit 4 Astronomy: the science of the stars 导学案（1） Unit 4 Astronomy: the science of the stars第一课时： Words and warming-up课型：新授课学习目标： 1. 能够熟练朗读本单元的单词和短语。 2. 复习并且写出本单元重点词汇的同根词。 学习内容与过程：Task 1 I. 课堂自主朗读Unit 3的生词和短语（10minutes）。 请在下面写出你不熟悉的词汇。II. 同桌之间检查朗读效果，并互相纠正(5min)。Task 2III. 根据自己的知识尝试写出同根词(
2、10min)1.astronomy _ n. _ 天文学家2.religion _ adj. _ 3.atom _ adj. _4.globe_ adj._5.violent_ n. _6.unlike_ ant. _7.presence_adj. _ n. _礼物 v. _8.harmful _ n. _ ant. _9. puzzle_ adj._ _(两个)10.biology _ n. _ 生物学家11.gentle _ adv. _12.physicist _ n. _ 物理13.lessen _adj. _14.weightlessly _ adj. _ n. _ v. _15.e
3、xhaust _ adj._ adj._ Keys: 1. astronomer; 2. religious; 3.atomic; 4. global; 5. violence; 6. like; 7. present; present; present; 8. harm; harmless; 9. Biologist; 10. gently; 11. physics; 12. less; 13. weightless; weight, weigh; 14. exhausted; exhausting 用所给单词的适当形式填空：1. Christians go to the church ev
4、ery week. They have a strong _ belief. They always believe in their _. (religion)2. The pollutions made by people have caused the _ warming. So human beings should protect our _. (globe)3. As a middle school student, we should not use _ to solve problems. We should fight against the _ actions. (viol
5、ent)4. The _ of water made it possible for life to begin, but some kind of animals have died out at _.The people _ at the party can get a beautiful _. (present)5. Playing too much computer games does _ to our study. Its also _ to stare at the computer for a long time. (harmful)6. The gentleman put t
6、he little cat on the _ cloth _. (gentle)7. The source of the earth becomes _ and _. We should _ the harm to the earth.(lessen)8. Working hard for a whole week, I feel so _ that I am tried of the _work. (exhaust)1. religious; religion; 2. global; globe; 3. violence; violent; 4. presence; present; pre
7、sent; present; 5. harm; harmful; 6. gentle; gently; 7. less; less; lessen; 8. exhausted; exhaustingTask 3 warming-upIV. Discussion（10min）1. Talk about the solar system: 1) How many planets circle around the sun in our solar system? What are they?2) Talk about different ideas about how life began on
8、earth. What do the scientists say about how life began?收获：存在问题： 第二课时： Reading: How life began on the earth; A visit to the moon课型：新授课学习目标：1. To enable the students to know something about the origin of life on the earth.2. Enable the students to master some English expressions and phrases about the
9、reading.3. Grasp the basic reading skills: skimming and scanning.Task1: Reading Comprehension: How life began on the earth1. Complete reading the passage and finish the relevant exercises on the text book and Student Times under the guidance of your teachers. (在科任老师的指导下完成本篇阅读理解，并完成书本上以及双语报上相关的阅读理解题。
10、)1) Skimming: P27，Ex1 2) Scanning: Student Times vol.31 Close Reading 2. Please write down the main idea of the passage in 30 words_ The passage mainly tells us how the earth came into being and the development of life on the earth._3. Homework: Phrases collecting:P25-261.根据；按照9.也,又2.以开始10.下蛋3.往/从各个
11、方向11.仍然是个谜4.及时,终于12.产生;分娩5.冷却下来13.轮到某人,接着6.允许做某事14.阻止,制止7.连锁反应15.因为,由于的原因8.用充满16.依靠;取决于1.according to2.begin with3.in all directions4.in time5.cool down6. allowto do7.a chain reaction8.fillwith9.as well as10.lay eggs11.remain a mystery12.give birth to13. in ones turn14.preventfrom15.as a result of16
12、.depend on第三课时 Extensive Reading：A visit to the moonTask 1: Read the passage and answer the following questions:1.How many times did the gravity change? Which one is the strongest?a. on the earth b. far from the earth c. on the moon2. How about the weight? Where are you heavier?a. on the earthb. on
13、the moonTask 2: Long and difficult sentences.1. Last month, I was lucky enough to have a chance to make a trip into space with my friend Li Yanping, an astronomer. 2. It was so hard that we could not say anything to each other. 这种引力太强了，以至于women彼此间都不能说话了。3. “so we feel as if there is no gravity at al
14、l” 所以我们感觉好像没有地球引力了。feel/ sound/look/seem as if4. When we get closer to the moon, we shall feel its gravity pulling us, but it will not as strong a pull as the earths. 当我们更接近月球时，就会感到月球的引力在拉我们。但是，月球的引力不想地球的引力那么大。5. I cheered up immediately and floated weightlessly around in our spaceship cabin _watchi
15、ng_ the earth become smaller and the moon larger. 动词ing形式在句中充当_ 伴随状语_ 成分6. But when I tried to step forward, I found I was carried twice as far as on the earth and fell over.But when I tried to step forward, I found _myself carried_ twice as far as on the earth and fell over. （1） 复习find sb./sth. + 分
16、词 的结构，现在/过去分词充当_宾补_成分。（2） 写出fall 其他词组 _fall down, fall to, fall in love (with), fall asleep 7. (1) _Walking _does need _ a bit of practice now that gravity has changed. (2) _Leaving_the moons gravity _was _not as painful as leaving the earths.（挖空）(3) But _Returning to _ the earth _was _ very frighte
17、ning. （挖空）总结: 动名词v-ing在以上句子中当_主语_成分, 第一句中，do+ 动词原形，表示_强调_动名词v-ing做主语，谓语用_单数_(单数还是复数？) Task 3: 翻译下列短语P29.17.挡住（光线）P30-3118.很幸运做某事19.有机会做某事20.离开;起程21.好像,仿佛22.一点也不;根本不23.欢呼24. 既然25. 掌握;适应26. 爆发27.当心；密切注视17. block out18. be lucky enough to do19. have a chance to do20. be off21. as if22. not/noat all23.
18、cheer up24. now that25. get the hang of26. break out27. watch out收获：存在问题： 第四课时：Language points of reading 1 and reading 2课型：新授课 学习目标：1 . 词汇拓展，重点句型（参考双语报）2掌握本单元10个广州市基础句子；3. 学会理解并翻译一些长难句；(参考双语报)Task 1: 词汇拓展 (参看双语报31期，B2版)1. exist 2. puzzle3. pull4. in ones turn5. cheer up6. break out7. lay; vt 放置，产；过
19、去式_laid_;过去分词_laid_；现在分词_laying_摆餐桌_lay the table_; 把衣服放在椅子上_lay the clothes over the chair_;下蛋_lay eggs_对比：lie 说谎；躺；位于 lie (lay; lain; lying) 躺;位于 lie (lied; lied; lying) 说谎8. prevent v.prevention n. preventive adj.1) vt. 维生素C可以预防感冒。Vitamin C is supposed to _prevent colds _2) vi. 如没有什么阻碍的话, 我们明天来。W
20、e shall come tomorrow if _nothing prevents_ 3) preventfrom 阻止，制止；与此相同的有_stop / keep (from) doing_ 雨使我们不能踢足球了。The rain couldnt prevent us from playing football_4) take preventive measure 采取预防性措施；5) Prevention is better than cure. 治病不如防病；防患于未然是上策Task 2: 长难句 一总结：以下下划线句子，都是_主语从句_，在句子中，做_主语_(填写成分)1. P25,
21、 L6. What it was to become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe. 2. P26, L13. What is even important is that as the earth cooled down, water began to appear on its surface. 3. L18. It was not immediately obvious that water was to be funda
22、mental to the development of life. 4. L20. What many scientists believe is that the continued presence of water allowed the earth to dissolve harmful gases and acids into the oceans and seas.5. L50. Whether life will continue on the earth for millions of years to come will depend on whether this pro
23、blem can be solved.二总结：以下下划线引导词引导的都是_定于从句 在句子中，_which_(下划线要填的词) 代指_主句 1.L10. They were in time to produce carbon, nitrogen, water vapour and other gases , which were to make the earths atmosphere.2. L25. They multiplied and filled the oceans and seas with oxygen, which encouraged the later developme
24、nt of early shellfish and all sorts of fish.3.L47 They are putting too much carbon dioxide into the atmosphere, which prevents heat from escaping from the earth into space.Task 3: 广州市要求掌握的10个基础句子1. 既然你已经通过了驾驶考试，你就可以独自开车了。(now that)2. 是什么事使他不能参加我们的会议仍然是个谜。(preventfrom)3. 昨天晚会的气氛非常欢快，每一个人都度过了美好的时光。(at
25、mosphere; joyful)4. 当他意识到他可以及时到达赶上飞机时，他终于振奋起来。(in time; cheer up)5. 听说她生了一个如此大的男婴，我们都感到非常惊讶。（give birth to）6. 我经常感到疑惑，为什么有些家长允许自己的孩子观看暴力影片。（wonder; allow）7. 宇航员能否浮起来要看引力是否足够小。(whether; depend on)8. 根据被广泛接受的原理, 宇宙起源于大爆炸. (according to, accept, begin with)9. 水将对生命发展有关键作用在当时并不明显。(it wasthat; is to; fun
26、damental)10. 我们离月亮太远，感受不到它的引力。(tooto; pull)1. Now that you have passed the driving test, you can drive on your own.2. What prevented him from attending our meeting still remains a mystery.3. The atmosphere at the party yesterday was very joyful and everyone had a great time.4. He finally cheered up
27、when he realized he would arrive in time to catch the plane.5. We were amazed to hear that she had given birth to such a large baby boy.6. I often wonder why some parents allow their children to watch violent movies.7. Whether the astronaut can float depends on whether the force of gravity is small
28、enough.8. According to the widely accepted theory, the universe began with a “Big Bang”.9. It was not obvious that water was to be fundamental to the development of life.10. Were too far from the moon to feel its pull.第五课时：课型：新授课 名词性从句- 主语从句学习目标：1. 回顾各种句子成分；2. 掌握主语从句的用法；（参看双语报第31期B3）1） 什么是主语从句？_2） 主
29、语从句的引导词主语从句的引导词和其他名词性从句的引导词大致相同注意：a) 句；that _能省略；b)“是否”的时候，只用_，不用_c) 代词_，_，_，_等在句中作_，_，_等， _能省略。d) 词_，_，_，_等在句中作_，_能省略 3） it作形式主语第六课时： Writing：Student Times vol.31 A3 基础写作以下为神州八号无人飞行器的相关信息：1. 神州八号于2011年11月1日5时58分顺利发射升空2. 升空后，神州八号与2011年9月29日发射的天宫一号对接（dock）3. 神州八号将于以后将会发射的神州九号、神州十号一起组成中国首个空间实验室。写作内容：
30、假设你在神州八号发射的当天观看了中央电视台的电视直播，请结合以上资料，写一篇短文介绍相关情况，以及你的感受。写作准备：1. 发射 launch ( be launched)2. 无人飞行器 unmanned spacecraft3. 与对接 be docked with4. 空间实验室 space laboratory 5. 与一起 together with6. 组成 make up写作：On November 1st, 2011, I watched the live launch of the unmanned spacecraft, Shenzhou-8, on CCTV. At 5:
31、58 in the early morning, Shenshou-8 was launched perfectly into the air. After it entered space, Shenzhou-8 would be docked with Tiangong-1, which had already been launched into space on September 29th, 2011. Whats more exciting is that Shenzhou-9 and Shenzhou-10 will begin their journey in space soon in the future, and these three spaceships will make up Chinas first space laboratory. The launches of Shenzhou spacecrafts is of remarkable significance in Chinas space project. I feel so excited and proud of our country, and look forward to the greater achievement in the future.