高一年级英语 必修3Unit 4 Astronomythe science of the stars导学案.docx

1、高一年级英语 必修3 Unit 4 Astronomythe science of the stars导学案高一英语导学案 必修三Unit 4 Astronomy：the science of the stars主备人： 审核人：【教总49】 第一课时 The First PeriodTeaching contents: Words and expressions Teaching Aims: Learn the new words and expressions1. system n.系统，体系，制度 solar system 太阳系They have an alarm system in

2、the house他们房子里装有报警系统。即时训练1) The _(教育系统)is completely different in the US and China.2 ）_ is a new kind of source of energy.太阳能是一种新型能源。keys: education system 2. Solar energy.2. harmful adj. 有害的，有损健康的 be harmful to sb/sth=do harm to sb/sth对有害harm n. 损害；伤害；危害 do harm to sb= do sb harm对某人有害，do sb good= d

3、o good to sb.对某人有好处。Smoking is harmful to your health.吸烟有害健康。 即时训练1)Fruit juices can be _(有害的) to childrens teeth.2)Taking exercises after supper _ _ _ ones health.key:1.harmful, 2.does harm to 或 is harmful to3. lay-laid-laid-laying v.下蛋，产卵，铺放 lay eggs 下蛋，lay the table 摆桌子，lay aside 放在一边；积蓄 lay down

4、 放下；放弃，lay open 摊开She lay on her back staring up at the ceiling. 她仰卧着凝视天花板。即时训练1)Helen is badly ill and has_in bed for nearly a month.a. laid b. lied c.lain d. lying2) The man _on the ground _that he had _ his bicycle behind that big tree. A lying ;lied; laid B lying ;lay; laid C lay ;lied ;lain D l

5、ied ;laid ;liedkey: 1. c 2. A4. exist vi.存在，生存，生活 exist on 靠.存活existence n.存在，生存 come into existence产生，成立，be in existence 存在Many animals which once lived on the earth are no longer in existence有许多动物曾一度在地球上生存过，但今天已不复存在了。When did the world come into existence ?世界是什么时候产生的？即时训练1) He doesnt believe in th

6、e _ of God.2)Is life _ on other planets?3) This kind of animals _ leaves of trees in the past.key:1. existence, 2.in existence 3. existed on课后作业；根据句意填入单词或短语的正确形式1. The professor has brought in a good （系统）of teaching language from abroad.2. There are many t about the origin of life.3. Children should

7、 not be allowed to watch v movies.4. I believe the affair is h to the company.5. The old lady e only on coffee and bread.6. She listened with a p expression on her face.7. The moons p on the sea causes the waves. 8. I had intended to catch the early train, but I didnt get up (及时)9. Why do you want t

8、o kill the hens that （下蛋）every day?10. Many women plan to g babies this year.key: ：system; theories; violent; harmful; existed; puzzled; gravity; in time; lays eggs; give birth to; 【教总50】 第二课时The Second PeriodTeaching contents: Words and expressions Teaching Aims: Learn the new words and expressions

9、5. give birth to 产生,分娩 by birth 天生地，生来 at birth 出生时She gave birth to a fine healthy baby.她生了一个健康可爱的婴儿。 The scientists experiments gave birth to a new drug.那位科学家的实验产生了一种新药。即时训练1)She _ _ _ two daughters and one son.2)Jackson was said to be a black man _key:1.gave birth to 2.by birth6. in ones turn轮到某人

10、；接着in turn依次地，轮流地；反过来；by turns=in turn轮流；交替地；take turns to do sth.轮流做某事；It is ones turn to do sth.轮到某人做某事It is in my turn to clean the classroom this week.这周轮到我打扫教室。The children went on the bus in turn孩子们依次上了公共汽车。即时训练1)Its _ _ to use the bike. 该轮到我用自行车了。2) We _ _ _make dinner. (=We make dinner by tu

11、rns.)key:1. my turn 2. take turns to7. puzzle v.使迷惑，使为难 n.迷，难题 puzzling adj.令人迷惑的，令人为难的 some puzzling questions一些令人困惑的问题puzzled adj.迷惑的，不解的。常用来修饰人的表情或脸色a puzzled expression迷惑的表情be puzzled by被.所迷惑he was puzzled by this question .他对这道题目困惑。She listened with a puzzled expression on her face. 她脸上带著困惑的表情在

12、倾听着。即时训练用puzzle的适当形式填空To explain the findings, he offers two theories.I _ that I havent heard from Liz for so long.She listened with a _ expression on her face.No one has yet succeeded in explaining the _ of how life began.答案：puzzling am puzzled puzzled puzzle8.pull v.拉，拖，n.拉力，牵引力pull down 拉下（窗帘等），拆

13、毁，拆掉 pull on(费力地)穿上衣服，pull off (费力地)脱掉衣物pull out 拔出，（列车等）驶出，出站pull in（火车等）到站，进站。He pulled on his shoes.他匆忙穿上了鞋子。They have managed to pull down the old building. 他们已拆毁了那幢旧建筑。【活学活用】用pull相关短语的适当形式填空I arrived as the last train was .He a gun and aimed at the criminal.key：pulling out pulled out9.watch out

14、 for sth/sb当心某事，提防某事/某人，密切注意某事或某人 watch out小心，留心You must watch out for the traffic here.这里你要当心车辆。Watch out - Theres a car coming.小心!有车来了。即时训练Youd better_ _ , or youll be getting done in. 你还是当心点好，不然你会上当受骗。课后作业1. He was involved in the (暴力的) fight last night and was arrested by the police. 2. Some adv

15、ertisements have no （吸引力） at all.3. This kind of plant only （存在） in Africa.4. The boss never shouts at his staff in the (在场) of others.5. There is an （气氛） of peace and calm in the country, quite different from that of a big city.Key：1. violent2. pull 3. exists 4. presence 5. atmosphere 【教总51】 第三课时 T

16、he Third PeriodTeaching Aims: (1) Develop the Ss reading ability .(2) Grasp the general meaning of the passage. Teaching proceduresStep 1 RevieionStep 2.Fast reading Fill in the blanks according to the passage.The text mainly tells us the formation of the _ and the _ of life on it.key： earth, develo

17、pmentStep 2. Skimming I. Skim the passage and match the main idea with each paragraph. Para 1 A. The formation(形成) of the earthPara.2 B.The importance of water for lifePara.3 C.A widely accepted theory about the formation of the universePara.4 D.The arrival of humans and their effects on the earth P

18、ara.5 E.The development of plants and animals on the earth(keys:1.C 2.A 3.B 4.E 5.D )II .Do exercise 2 on page 27. (Keys:10. 7. 3. 8 .4. 9.6.1.5.2.12 11) 课后作业：语法填空After the “Big Bang” came a 1 of energetic dust, the earth. Dust combined into a ball, moving 2 the sun. The earth became violent. Then i

19、t 3 loudly. In time, the water vapor was produced, making the earths atmosphere 4 down. Water then appeared on the 5 . The earth was to be different from other planets going round the 6 . Water disappeared from other planets. But it stayed on 7 . Small plants began developing 8 the water.Years later

20、 green plants came into 9 . The air then was 10 with oxygen.Millions of years later, small 11 animals were found to be living on the 12 , in the sea. They spread all over the earth, moving 13 the earth, putting too much carbon dioxide into the atmosphere which 14 heat from escaping from earth into s

21、pace. In the end the earth may become too hot to live 15 .（Keys: 1. cloud 2. around 3. exploded 4. cool 5. surface 6. sun 7. earth 8. in 9. being 10. filled 11. clever 12. land 13. around 14. prevents 15. upon）【教总52】 第四课时 The Fourth PeriodTeaching Aims: To explain the text.Teaching procedures1. Howe

22、ver, according to a widely accepted theory, the universe began with a “Big Bang” that threw matter in all directions. 然而，根据一个广泛接受的理论，宇宙开始于一次“创世大爆炸”，该爆炸将物质抛向各个方向。begin with=start with 以为开端，以为开始 to begin with(做插入语)首先; 第一; 起初”in all directions=in every direction四面八方；朝各个方向in the direction of朝.方向The conc

23、ert began with a song.音乐会以一首歌曲开始了。To begin with, she is too young for that kind of job. 首先，她做这种工作年纪还太轻。The birds flew away in all directions when he fired a salute with a“bang”.当他“砰”的一声鸣礼炮时，鸟飞向各个方向。即时训练1)Every day our English class _ _ reading new words.2) After school the students go home _ _ _.3)

24、He drove away_ London. 他开车向伦敦方向驶去。key: 1. begins with, 2. in all directions/in every direction 3. in the direction of2. 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.这一团尘埃会变成什么还不能确定，直到45亿至38亿年前，这团尘埃才形成一个固定的球体。 be to do sth 表示

25、按计划或按安排即将做某事(意思接近于be going to)。 表示将来不可避免要发生的事。含有：必将会.；命中注定. 表示命令，意为“必须”When are you to leave for home?你什么时候回家？ Some skills must be learned if one is to use English well. 要想用好英语，某些技巧是必须学的。settle into sth形成，适应某事，习惯于某事，settle into shape有头绪, 上正轨Things soon settled into shape.事情很快有了头绪。The animals quickly

26、 settle into the zoo. 动物们很快适应了动物园的生活。即时训练1)The final examination _early July. A.is to be held B. is to be taken place C. is going to hold D. will be to take place2) -We just saw John at the bookstore. -Thats strange; I didnt think he _ back until tomorrow. A. will come B. was to come C. is coming D.

27、 is to comekey：1. A， 2.B 3. It was not immediately obvious that water was to be fundamental to the development of life.这并没有立刻就表明：水是生命发展的必要部分。it is +adj/n/ved that引导的主语从句fundamental a.基础的，基本的，根本的，重要的 be fundamental to sth对必不可少/极其重要fundamental principle基本原则a fundamental human right一项最基本的人权It is no won

28、der that he has passed the exam.难怪他通过了这次考试It is necessary that we should learn English well.我们学好英语是非常必要的。Fresh air is fundamental to good health.新鲜空气对健康是不可缺少的。即时训练1) _ he didnt catch up with the train真可惜他没有赶上那辆火车。2) He is said to have gone to shanghai_ _ _that he has gone to shanghai.3) Water is _ _

29、 animals and plants.keys: 1. it is a pity that 2. it is said 3 .fundamental to4 This produced a chain reaction, which made it possible for life to develop.这产生了一系列的反应，这种反应使得生命的产生成为可能。make it +adj/n (for sb) to do sth 使/让某人做某事具有特征常用此结构的动词有：consider(认为)，find，think, believe, feel(认为)I consider it necess

30、ary to tell him about it ahead of time.我认为提前告诉他此事是必要的。即时训练1). We find _ _ _ make some changes.我们发现要做一些变化是不可能的。2) we think _ _ _ your health to drink too much 我们认为过量喝酒对你的身体有害的key: 1. it impossible to 2. it harmful to课后作业 选词填空cool down， now that， depend on， break out， block out， in time， watch out for， get the hang of1