学年高中英语人教版必修三unit4全单元导学案.docx

1、学年高中英语人教版必修三unit4全单元导学案2019-2020学年高中英语人教版必修三Guided Learning Plan Unit 4 Astronomy: the science of the stars Periods 1 &2 Warming-up, Pre-reading and Reading学习重点：1.理解课文，掌握课文中的基础知识。2.了解太空的背景知识，培养学生的科学探索精神。学习难点： 把握文章的写作顺序，培养快速阅读与整体理解能力。学法指导：1.快速阅读，掌握课文大意 2. 细读，掌握课文情节和细节，用红笔画出难点 3.通过合作探究主动质疑，学会总结文章段落大意，

2、深入理解课文内容。A.自主探究Task 1 fast readingSkimming: Go through the passage quickly to get the main idea of each paragraphPara. 1 The formation(形成) of the earth.Para. 2 The importance of water for life.Para. 3 A widely accepted theory about the formation of the universe.Para. 4 The arrival of humans and thei

3、r impact on the earth. Para. 5 The development of plants and animals on the earth.Task2:True (T) or False (F).1. The earth appeared before the Big Bang happened.( )2. The original atmosphere consisted of nitrogen and oxygen. ( )3. The main difference between the earth and other planets is that there

4、 is water on the earth. ( )4. Life began in water and then on land.( )5. Mammals appeared before the development of dinosaurs.( )6. Dinosaurs could give birth to young baby animals and produced milk to feed them.( ) 7. Human beings produce too much carbon dioxide which causes the global warming on t

5、he earth.( ) 8. According to the text, human beings would disappear in the end. ( )B.合作探究Careful reading: Task1.Scan for the detailed information and find the part talking about the development of life：a cloud of _ a solid _presence of _ small _ in water _ and all sorts of fish Green _ on land _ and

6、 _ appear Plants grew into _ _ (on land) _( on land) _ (on land) _ (small clever animals on land)Task2.Read the passage again and try to finish the answers below.1).Why was the earth different from other planets? 2).Why did the plants grow before the animals came? 3).Why is it wrong in films and sto

7、ries to show dinosaurs and people together? 4).Why do you think that humans are the cleverest animals on the earth? 5).There used to be nine planets in the solar system. Recently scientists have decided that one of them can no longer be considered a planet. Do you know the name of that planet? Do yo

8、u know why they removed it? 6).What problem is caused by human beings? C.反馈测试根据课文完成短文并复述课文The _of the earth produced water vapour, which turned into water when the earth _down. Water allowed the earth to _harmful gases into the oceans and seas. That made it possible for life to begin to develop. The

9、 arrival of small_ encouraged the development of early shellfish and all _of fish. Many millions of years later the first_ plants began to appear on land. Later land animals appeared. Some were insects. At last_ rule the world, but they are not taking _of the earth very well.D.延伸拓展根据所给首字母或中文意思填写单词。1

10、.The Chinese government did well in preventing SARS from s_.2.He c_ up at the good news.3.There is a friendly a_ of helping each other with difficulties in study in our class.4.Do you believe God e_? 5.The fans cheered up at the _ (到场) of Jay Chou.6.As a student ,I should learn the _ (基本的) rules of

11、mathematics.7._（繁殖）very fast，rabbits soon became the largest family of all the animals in this woods. 8._at the result，he stood there，not knowing what to do.（困惑）Guided Learning Plan Unit 4 Astronomy: the science of the starsPeriod 3 Learning about language学习重点：词汇和短语的运用学习难点：词语的词性、搭配学法指导：观察词性变化特点和词语搭配

12、特点，通过合作探究、做本学案练习，在实践中领悟和掌握自主探究I. Words1) violent adj. 猛烈的；激烈的a violent attack 猛烈的进攻 violent dislike极其厌恶 2) harmful adj. 有害的Drinking too much is harmful to your health. 过量饮酒有害健康。He meant no harm.他并没有恶意。harmfully adv.有害地 harmfulness n.害处 There is no harm in (sb.) doing sth.=It does no harm (for sb.) t

13、o do sth. (某人) 做某事无害处3) exist vi. 存在，生活，生存Salt exists in many things.许多东西中存在着盐分。existence n.存在，生存Dinosaurs came into existence on the earth more than 140 millions years ago.II. Phrases1) in time .最终,及时You will have to face the facts in time. 你迟早是要面对事实的。Mr. Brown could not reach the airport in time f

14、or his flight. 布朗先生没能及时赶到机场搭乘他的航班。2) give birth to 引起，产生 ； 生产，使出生 Technology gave birth to new forms of communication. 科技催生了新的通信形式。 The mother gave birth to a fine healthy baby. 这位母亲生了个漂亮健康的婴儿。3) in ones turn 轮到某人（做某事了），属介词短语。Next time is in your turn.下一个回合就轮到你了。in ones turn to do sth. 轮到某人做某事in tur

15、n轮流；一个接着一个 by turns轮流；一阵一阵 合作探究I. Words1.猛烈地；激烈地adv. 猛烈；激烈；暴力n. 2.harmful的名词是 ，动词为 ，副词是 ，反义词为 。do harm to sb.= = .对某人有害be harmful to sb./sth. ； mean no harm 。e into existence= 开始存在，产生，成立II. Phrases1) in time .意为“及时”时相当于 或 ;意为“终于，早晚”时相当于 .2）“生日”的英文为 ，“他1998年6月18日出生在山西省太原市”可译为 。3).在in ones turn 中的turn

16、为 词，意思为 。take turns (to do sth.)= ，意思是 。反馈测试Choose the best answer.1. It is said that this old building has _ for more than three hundred years.A. existed B. appeared C. been built D. come into being 2. Certain skills must be learned if one_ English well. A. used B. using C. had used D. is to use3.

17、James ducked his head just _to not be hit by the stone. A. on time B. in time C. at times D. at a time4. _ these figures, our company is doing well. A. According as B. According with C. According D. According to 5. I went back quickly. My jacket still _ where I _ it. A. lay; lay B. laid; had laid C.

18、 lay; had laid D. was lying; had lain . 6. This vase is splendid, but _ we actually need it is a different matter.A. that B. what C. whether D. how 7. she like it or not, shell have to give up smoking.A. If B. Whether C. How D. Why8. Our manager doesnt allow _ here. That is to say, we are not allowe

19、d _ here.A. to smoke; to smoke B. smoking; smokingC. to smoke; smoking D. smoking; to smoke9. This gift must be mailed immediately so as to be received _before her birthday. A. after B. in time C. in time for D. in no time10. The way they did it was different _ we were used to. A. in which B. in wha

20、t C. from what D. from which延伸拓展根据所给首字母或中文意思填写单词或词组。1. Many people are aware of the h_ effects of drunk driving.2. Charities d_ on voluntary donations/contributions.3. The Olympic Games b_ with a parade of all the competing nations.4. The soldiers launched into a v_ attack. 5. His new novel is u_ hi

21、s last one.6. Her disappearance _(引起)the wildest rumor. 7. There are_(基本的) differences between your religious beliefs and mine.8. He enjoys the _(气氛) of the peace and calm in the hometown.9. Cigarette smoking _(增加) the risk of lung cancer.10.The village _(位于) across the river.Guided Learning Plan Un

22、it 4 Astronomy: the science of the starsPeriod 4 Grammar 编制 学习重点：名词性从句。掌握它的含义、分类及用法。学习难点：主语从句的相关注意事项。学法指导：1. 查阅资料、学习下列自主探究内容，弄清主语从句的特性；2. 通过合作探究，开阔思维、加深理解；3. 通过做反馈测试和延伸拓展练习加以巩固 Noun clauses:subject clause 自主探究Step1.主语从句的连接词(1) 连接词： thatThat people cut down too many trees destroyed the balance of nat

23、ure.人们砍伐许多树木破坏了生态平衡。(2) 连接词：whetherWhether hell come here isnt clear.他是否会来这里还不清楚。It is doubtful if he has finished his work. 他是否完成工作仍是个问题。(3) 连接词：wh-疑问词（who, whom, whose, what, which, whoever, whatever, whichever, what, which, who, whoever, how）What seems easy to some people seems difficult to other

24、s. 一些人看来简单的事对另一些人来说却很难。Which side will win is not clear. 哪边会赢还不清楚。Who will take part in the meeting has not been decided. 谁将出席会议还没决定。Whoever breaks the law will be punished. 任何人触犯法律都要受到处罚。Step2. it 做形式主语(1) It + be + 名词/形容词+ that 从句Its no surprise that Class 2 should have won the game. 二班本该赢得比赛这毫不奇怪

25、。It is still a mystery what caused the big fire. 什么导致这场大火发生仍然是个谜。It is true that the old man has made a very important discovery in chemistry.这位老人在化学上有重要发现这是确真价实的。It is probable that she told him everything. 很可能她把一切都告诉他了。(2) It+不及物动词(seem, happen, matter ,appear)+that从句It seems that Alice is not com

26、ing to the party at all. 看起来爱丽丝根本不会来参加聚会。It happened that I was out that day. 碰巧那天我出去了。(3) It过去分词that从句Its said that Mr. Green has arrived in London.据说格林先生已经到了伦敦。It is known to all that Wang Fang is the best student in our class. 众所周知，王芳是我们班最优秀的学生。It is reported that at least a dozen of buildings we

27、re damaged or destroyed.据报道，至少十几栋建筑物被毁坏。4if和whetherIt is doubtful if/ whether he has accepted your invitation. 他是否接受你的邀请还有疑问。Whether it is true remains a problem. 这是否真实仍然是个问题。The question is whether you are interested in this project. 问题是你对这个项目是否感兴趣。I dont care about whether they will go or not. 他们是

28、否去我不在意。I didnt know whether to laugh or to cry. 我不知道是该笑还是哭。5. It is natural that he should fall in love with such a beautiful girl. 他爱上那位美丽的姑娘是很自然的事。It is required that everyone should obey traffic regulations.人人都应该遵守交通规则。合作探究Step1.观察例句并归纳用法(1)连接词that在主语从句中只起 作用，本身 意义， 任何成分，但 省略。(2) 连接词：whether置于句首只

29、能用 表示“是否”，whether 从句的任何成分， 省略。如果用it 做形式主语时， 可引导主语从句。(3) 连接词：wh-疑问词此类连接词你能列举出哪些？ 。wh-疑问词在从句中 成分，并 意义， 省略。Step2. it 做形式主语1).为了防止句子 ，通常把形式主语 放在主语位置， 主语搁置于句末。2).你知道有哪些名词能用于此类句型吗？ 。.能用于此类句型的形容词有 .“某人突然想起某事”也可用于此句型，其结构为 。eg.It occurred to me that I forget to sent the letter. 我突然想起忘记寄那封信了。3).哪些过去分词能用于此类句型？

30、请列举。 。Step3.观察左边的句子，思考if和whether在主语从句和其他情况下用法的不同。区别1 区别2 区别3 区别4 观察左边最后的两个句子，思考其中使用了什么语气，尝试总结出该句型。该句用的是 语气，其句型为 。反馈测试Choose the best answer：1. _ _ we need more practice is quite obvious.A. What B. That C. When D. /2. _ they can solve the question is still unknown.A. If B. Which C. Whether D. What3. _ he made an impor