1、甘肅省永昌縣第一中學(xué)高中英語必修三教案：Unit 4 Astronomy：the science of the starsDESIGNERSLuo Yonghua He Qingjun Du Shuxue Wang Hui Yang Haili Lv Chunhua Sun Xinhua Wang JucunTOPICTEACHING PERIODSsixTEACHING AIMS AND REQUIREMENTS1. Enable students to improve their listening skills and reading ability.2. Enable students

2、 to understand the development of gravity and how gravity affects us in different times and places.3. Arouse students interest to search for the mystery of space.THE IMPORTANTPOINTS1.Words and expressions: gravity, float, cheer up, now that, break out, etc2. Astronomic knowledge like gravity and bla

3、ck hole.3. Grammar: noun clauses used as subjectTHE DIFFICULT POINTS1. Help the students to understand the development of gravity.2. Help the students to know how gravity influences us.3. Grammar: noun clauses used as subjectTEACHINGMETHODS1.Reading method2.Self-study3.Cooperation4.InteractionTEACHI

4、NG PROCEDURESTHE FIRST PERIODTOPICwarming-up and speakingDESIGNERSLuo Yong hua Lv ChunhuaTEACHING PROCEDURESStep I核查作業(yè) 預(yù)習(xí)檢測 (學(xué)生活動(dòng))二次備課1. Check the homework.2. Read the new words of this unit.Step II導(dǎo)入新課 目標(biāo)展示（教師活動(dòng)）目標(biāo)1. To arouse Ss interest in the knowledge of astronomy and science.2. To develop Ss a

5、bility in listening and speaking. Lead in Step 1. Leading- inGive Ss a few minutes to say something about science by asking the following questions.（1.）Who is the first man in space，do you know？ （2.）Which spaceship did Yang Liwei take to space？（3.）Do you want to go to space if you are given a chance

6、? StepIII師導(dǎo)生學(xué) 合作探究（師生互動(dòng)） Warming Up 1. Students discuss with their partners with the following questions.(1) Do you know how many planets circle around the sun?(2) What are the eight planets? Match the names with the planets in P25.(3) Human beings lives on the earth. Do you know who is the ancestor

7、 of human beings?(4) Each religion and culture has its own idea how life began on earth. What do you know?Fairy tales in western: God creates the world. 1st , light, day, night 2nd, water, heaven, oceans, earth 3rd, plants 4th, sun, moon, stars 5th, animals, birds, fish 6th, men, Adam, Eve 7th, holy

8、 dayFairy tales in China: Pangu, NvwaA scientific saying: Darwin: the Origin of Species2. One skill to facilitate the remember of the eight planets is introduced to students My Very Educated Mother Just Send Us Nine Pizzas. Mercury Venus Earth Mar Jupiter Saturn Uranus NeptuneStep生生互動(dòng) 突破疑難（生生互動(dòng)）Spea

9、king :1. Divide Ss into six groups, and ask them to talk about the request of Talking on P62 and answer the following questions. Different students will give different answers. Make notes of some valuable information and make a conclusion at last. (1) What necessary instructions should new space tra

10、velers make?(2) Can you make a list of them?2. Show Ss some beautiful pictures of the university and say, “Now look at the pictures. How beautiful the Universe is! It is also full of mysteries. Have you ever dreamed of flying to the space like Yang Liwei to unlock the mysteries of the universe? If y

11、ou could, what things should you pay attention to?”3. Encourage Ss to give as much information as possible. StepV達(dá)標(biāo)檢測 反饋小結(jié)Ask the students to write down some key words and important expressions on the blackboard to help Ss to have the sense of traveling in space .Conclusion: Before making a trip int

12、o space, wed better make full preparations, such as : collecting as much information about the space as possible; checking whether you have got the proper spacesuits or not; making sure of all the safety rules; not leaving the spaceship alone unless the space guide tells you to; paying attention to

13、recording some important time during the space traveling and so on.Step VI布置作業(yè) 拓展提高1. Learn the new words of this unit.2. Prepare for the reading.Record After TeachingTHE SECOND PERIODTOPICReadingDESIGNERSYang Haili Sun XinhuaTEACHING PROCEDURESStep I核查作業(yè) 預(yù)習(xí)檢測 (學(xué)生活動(dòng))二次備課1. Check the new words of thi

14、s unit.2. Check the pre-learning.Step II導(dǎo)入新課 目標(biāo)展示（教師活動(dòng)）目標(biāo)1.To enable Ss to better understand the theory about the origin of the universe and life on the earth the “big band” theory.2.To know how life began on the life in different kinds of religions.3. To enable Ss to concern about the future of lif

15、e on the earth.Lead in Pre-reading 1. Show some pictures to the class and encourage Ss to say some information about how life began on the earth. They can say some relative legends, folk tales or scientific theories about the topic. For reference:Some ideas about the beginning of the universe: Pan G

16、u turns into a myriad of (各種) things 盤古化生萬物 Pan Gu separates the sky from the earth 盤古開天地StepIII師導(dǎo)生學(xué) 合作探究（師生互動(dòng)）Fast reading:1. Ask Ss to read the text quickly and try to get the main idea of the text. Para. 1 The formation(形成) of the earthPara.2 The importance of water for lifePara.3 A widely accept

17、ed theory about the formation of the universePara.4 The arrival of humans and their effects on the earth Para.5 The development of plants and animals on the earth Step生生互動(dòng) 突破疑難（生生互動(dòng)）Intensive reading:Read the passage carefully paragraph by paragragh and try to get more information. Then answer the q

18、uestions.Para 1&2: the formation of e universe and the earth1. About how the universe began, which theory is widely accepted?2.What form（形狀） was the earth after the “Big Bang”?3.What made up the earths atmosphere after the earth exploded?In the sentence “It exploded loudly with fire and rock. They w

19、ere in time to produce carbon, nitrogen”here “they” refers to_. “In time” means_.Para 3 :the importance of water for lifeWhat made the earth different from the other planets is that _ remained on the earth.The significance(意義) of the continued presence of water is that it allowed_.Para 4: The develo

20、pment of life 1.small plants in the water3._4.insects on land5._6._2._2._7._8.dinosaurs9._Key to the exercise:2. shellfish and all sorts of fish 3.green plants(on land) 5.amphibian(on land and in water)7. reptiles (on land) 8.dinosaurs(on land) 9.mammals(on land)Para5: the arrival of humans and thei

21、r effects on the earth1. What problems have been caused by humans to the earth?2. What does the last sentence mean?StepV達(dá)標(biāo)檢測 反饋小結(jié)From the text, we can infer（推斷）except that_.A. The passage tells us the scientific idea of how life began on the earth.B. It is wrong to show films with dinosaurs and peop

22、le together.C. Finally, humans rule the world, but they are not taking care of the earth very well.D. Life began on land and then in water.Text RetellingAsk the students to retell the text according to the key words and questionsDiscussion:How to protect the earth and make it a better place to live

23、on? Step VI布置作業(yè) 拓展提高Retell the passage about how life began on the earth.Learn the useful words and expressions by heart.Record After TeachingTHE THIRD PERIODTOPICDESIGNERS Du Shuxue Wang Hui TEACHING PROCEDURESStep I核查作業(yè) 預(yù)習(xí)檢測 (學(xué)生活動(dòng))二次備課1. Check the exercises in exercise book.2. Ask some students to

24、 retell the passage in their own words.3. Check the pre-learning.Step II導(dǎo)入新課 目標(biāo)展示（教師活動(dòng)）目標(biāo)1. To get Ss to know how to use new words and phrases.2. To help Ss to master some new words and expressions.3. To understand the difficult sentences in the text.Lead in: Consolidate the words and phrases in the

25、 text.1. Ask Ss to work in groups and read the text again, and then finish Ex1 and Ex2 on P28 and check the answers in groups.2. Ask Ss to keep the words they filled in Ex1 in heart.3. Ask Ss to finish Ex3 and then let them check each others answers.StepIII師導(dǎo)生學(xué) 合作探究（師生互動(dòng)）Notes to some difficult sent

26、ences:1. After the “Big Bang ” the earth was just a cloud of energetic dust.隨著“轟隆”一聲巨響，地球就成為一個(gè)云團(tuán)，充滿著具有能量的塵埃。Big Bang(big-bang cosmology) 大爆炸宇宙學(xué)。2. It exploded loudly with fire and rock, which were in time to produce the water vapour, carbon dioxide, oxygen, nitrogen and other gases, which were to ma

27、ke the earths atmosphere. 它（地球）巨大的爆炸噴出了烈火與巖石，最終產(chǎn)生了水蒸汽、二氧化碳、氧、氮和其他多種氣體，從而形成了地球的大氣層。in time: sooner or later; eventually 遲早；最后。Ill see him in time. 總有一天我會(huì)遇見他。in time(for sth/ to do sth) : not late 及時(shí)；不遲。She will be back in time to prepare dinner. 她來得及回來準(zhǔn)備晚飯。in/out of time: in/not in the correct time 合

28、/不合節(jié)怕。The audience clapped in time to the music. 觀眾合著音樂的節(jié)拍拍手。（sth）be to (do): (something) will definitely happen, or it must happen 不可避免要發(fā)生或必須發(fā)生。They said goodbye, little knowing that they were never to meet again. 他們彼此說了再見，幾乎不知道再也不可能見面了。She is to be honored for this great work. 她（一定）會(huì)因這部著作而獲得榮譽(yù)。Mr.

29、 Clark said to his daughter, “You are to be home by 10 oclock at the latest.” 克拉克先生對(duì)他的女兒說：“你必須在10點(diǎn)之前到家?！?. Nobody knew that it was going to be different from other planets going round the sun. 誰也不知道地球會(huì)別于環(huán)繞太陽運(yùn)轉(zhuǎn)的其它行星。（sb/sth）be different from: not like someone or something else in one or more ways 與不同

30、。City life is quite different from country life. 都市生活與鄉(xiāng)村生活是非常不同的。注意：（1）強(qiáng)調(diào)different時(shí)用very, much, quite, entirely, totally等詞。（2）有時(shí)，美語口語中用than，英語口語中用to來代替from。going round the sun 為現(xiàn)在分詞短語，作定語，表示一般的動(dòng)作。例如：Men breaking the law will be punished.Men who break the law will be punished. 違法的人要受到處罰?，F(xiàn)在分詞短語作定語，也可以

31、表示進(jìn)行的動(dòng)作。例如：Can you see the girl dancing with your boyfriend?Can you see the girl who is dancing with her boyfriend? 你能看見與男友跳舞的那個(gè)姑娘嗎？4. It allowed the earth to dissolve harmful gases, which had become part of the earths atmosphere, into the oceans and seas. 它使地球把曾經(jīng)存在于大氣層中的有害氣體溶解在海洋里。allow to do 允許某人做

32、某事。如：Her parents wont allow her to stay out later than 11:00 in the evening. 她父母不允許她晚上在外逗留超過11點(diǎn)。Please allow me to explain that I did not have any idea about his arrangement. 請(qǐng)?jiān)试S我解釋，我事先不知道他的安排。但要注意：“準(zhǔn)許做某事”應(yīng)當(dāng)是allow doing 不是allow to do。如：They shouldnt allow parking in this street. Its too narrow. 他們不應(yīng)

33、該允許在這條街上停車，街道太窄了。Walking on the grass is not allowed. 不許踩踏草坪。5. This encouraged the development of early shellfish and all sorts of fish. 這為早期貝類及其他各種魚類的發(fā)育進(jìn)一步創(chuàng)造了條件。encourage 鼓勵(lì)；促進(jìn)；慫恿Father encouraged him to study physics but he prefers maths.父親鼓勵(lì)他學(xué)物理，但他更喜歡數(shù)學(xué)。He encouraged me to learn dancing. 他鼓勵(lì)我去學(xué)跳

34、舞。名詞后綴-ment加在動(dòng)詞之后表示：1)行為，例如：argument, betterment, development, treatment.2)結(jié)果，例如：arrangement, statement, settlement.3) 工具，例如：instrument, pavement.6. They produced young generally by laying eggs. 它們一般是通過孵蛋而繁衍后代的。by doing 用于說明做某事的手段，方式。如：I dont think she can help him by just giving him money. 我認(rèn)為她光靠給錢

35、是幫不了他的。He used to make his living by painting. 他以前是靠畫畫為生。7.They are putting too much carbon dioxide into the atmosphere, which prevents heat from escaping from the earth into space.他們把過多的二氧化碳釋放到大氣層中，這使得地球上的熱不能釋放到太空中去。prevent from doing 阻止某人做某事。如：His heart trouble did not prevent him (from) going to

36、class the next day. 他的心臟病痛沒能阻止他第二天去上課。Nothing can prevent their plans (from) being carried out. 什么也不能阻止他們的計(jì)劃得以實(shí)施。8. Whether life will continue on the earth for millions of years to come will depend on whether this problem can be solved. 在未來的數(shù)百萬年中，生命能否在地球上延續(xù)取決于這個(gè)問題能否得到解決。(sth) depend on (sth else): s

37、omething might only happen or be true if the circumstances are right for it 取決于；決定于。如：“Will you go fishing this afternoon?” “Well, it all depends on the weather.” “你今天下午去釣魚嗎？” “得看天氣。”for millions of years to come 中不定式to come作定語，與前面的名詞之間有邏輯上的主謂關(guān)系，例如：She is the last person to do such a thing. 她是最不像做這種

38、事的人。Step生生互動(dòng) 突破疑難（生生互動(dòng)）Do the related exercises in EB.Check the answers to the whole class.Solve the difficult points in the group.StepV達(dá)標(biāo)檢測 反饋小結(jié)Translate the following sentences. a. 你遲早會(huì)成功的. b. 我的車與你的不一樣. c. 站在門旁邊的那個(gè)人是誰? d. 他總是第一個(gè)來,最后一個(gè)走. e. 既然你已經(jīng)長大了,你自己決定吧. Suggested answers: a. You will succeed i

39、n time. b. My car is different from yours. c. Who is the person standing by the door? d. He is always the first to come and the last to go. e. Now that you have grown up you can decide it yourself. Step VI布置作業(yè) 拓展提高1. Preview the subject clause.2. Remember important language points Record After Teach

40、ingTHE FOURTH PERIODTOPICNoun clauses as the subjectDESIGNERS Lv Chunhua Sun Xinhua TEACHING PROCEDURESStep I核查作業(yè) 預(yù)習(xí)檢測 (學(xué)生活動(dòng))二次備課1. Check the homework exercises.2. Ask the students to say some points about the Noun Clause.3. Translate the Noun Clause sentences found in the passage.Step II導(dǎo)入新課 目標(biāo)展示（教

41、師活動(dòng)）目標(biāo)1. To get Ss to recognize noun clauses as the subject.2. To make sure that they can do some simple exercisesLead in What part does the underlined part serve as in each sentence? A tree has fallen across the road. You are a student. To find your way can be a problem. Smoking is bad for you.“How

42、 do you do?” is a greeting. What she said is not yet known. That we shall be late is certain. It is certain that we shall be late. We can see from these sentences that a sentence serves as subject, so we call it Subject Clause.StepIII師導(dǎo)生學(xué) 合作探究（師生互動(dòng)）Noun Clauses as the SubjectTo tell what it is and t

43、he importance with some examples1. What the teacher said today was quite right. 2. That they are badly in need of help is quite clear. 3. Whether they will sell the house is not yet decided.4. Whatever was said here must be kept secret. Step生生互動(dòng) 突破疑難（生生互動(dòng)）(1) 主語從句的語序 主語從句要求使用陳述句語序，而非一般疑問句語序。如： What

44、surprised me most was that the little girl could play the violin so well. 使我感到驚訝的是這個(gè)小女孩的小提琴拉得太好了。 How he was successful is still a puzzle. 他是如何成功的仍然是個(gè)謎。(2) 連接詞的選用 that和what的選用 that和what都可引導(dǎo)主語從句。what除起連接作用外，還在名詞性從句中充當(dāng)某些成分可作從句的主語、賓語或表語。而that在名詞性從句中不充當(dāng)任何成分，無詞義，只起連接詞作用。如：What he wants is a book. 他想要的是一本

45、書。 That light travels in straight lines is known to all. 眾所周知，光線沿直線運(yùn)行。 if和whether的選用 引導(dǎo)主語從句，不能用if，只能用whether。如： Whether we will hold a party in the open air tomorrow depends on the weather. 我們明天是否在戶外開晚會(huì)要看天氣而定。 其它連接代詞和副詞的選用 根據(jù)主語從句的具體意義，正確的選擇who, which, when, where, why, how等連接詞，這些連接詞既有疑問含義，又起連接作用，同時(shí)在

46、從句中充當(dāng)各種成分。如： When we shall hold our sports meet is not decided. 我們何時(shí)舉行運(yùn)動(dòng)會(huì)還沒有決定。 Who broke the glass yesterday is not clear. 還不清楚昨天誰打破了玻璃。 Which car you will choose to buy makes no difference. 你決定買哪一輛車都不會(huì)有任何區(qū)別。whatever / whoever的功用 whatever, whoever在主語從句中不含疑問意義。它引導(dǎo)主語從句，并在從句中作主語、賓語、表語等。whatever = anyt

47、hing that; whoever = anyone who。要注意和whatever,whoever引導(dǎo)的讓步狀語從句的區(qū)別。如： Whoever breaks the law should be punished. （主語從句）（Anyone who breaks the law should be punished. ） Whoever breaks the law, he should be punished. （讓步狀語從句）（No matter who breaks the law, he should be punished.）(3) it構(gòu)成的主語從句it 作形式主語It i

48、s a pity that she has made such a mistake.1) It is + adj. / n. +從句 It is a pity/shame that. 遺憾的是 It is possible that. 很可能 It is unlikely that. 不可能 2) It +不及物動(dòng)詞+從句 It seems/appears that. 似乎 It happened that. 碰巧 3) It + be +過去分詞+從句 It is said that. 據(jù)說 It is known to all that. 眾所周知 It is reported that.

49、 據(jù)報(bào)道 It is believed that. 據(jù)信;人們相信 It is suggested that. 有人建議 SB: Ex2.and3.StepV達(dá)標(biāo)檢測 反饋小結(jié)Practice：1.EB: Page 672. Ask Ss to choose the best answers. 1._we cant get seems better than _we have. A. What; what B. What; that C. That; that D. That; what2. _ team wins on Saturday will go through to the nati

50、onal championships. (06 山東)A. No matter what B. No matter which C. Whatever D. Whichever3. _ makes this shop different is that it offers more personal services. (06 遼寧)A. What B. Who C. Whatever D. Whoever4. After Yang Liwei succeeded in circling the earth, _ our astronauts desire to do is to walk i

51、n space.（2004上海）A. where B. what C. that D. how5. _ in the regulations that you should not tell other people the password of your e-mail account.（2005上海）A. What is required B. What requires C. It is required D. It requires答案：ADABCStep VI布置作業(yè) 拓展提高1.Make a short summary of the usage of the Noun Clause

52、s.2.Finish the exercises about Noun Clauses as the SubjectRecord After TeachingTHE FIFTH PERIODTOPICwarming-up and speakingDESIGNERS Lv Chunhua Sun XinhuaTEACHING PROCEDURESStep I核查作業(yè) 預(yù)習(xí)檢測 (學(xué)生活動(dòng))二次備課1. Check the homework.2. Check the pre-learning.Step II導(dǎo)入新課 目標(biāo)展示（教師活動(dòng)）目標(biāo)1. To improve Ss listening ab

53、ility.2. To get Ss to know about human beings feelings of visiting the moon. 3. To get Ss to learn how to prepare a list of things used for going to the moon.Lead in Pre-listening(1) Ask Ss to look at the photos of the three great scientists on P30 and say something about them. Then ask them the fol

54、lowing questions.Do you know about some background knowledge of these three great scientists ? Can you say something about them?(2) Ask Ss to look through Ex1 and Ex2 on P30 and get fully prepared for listening to the tape.StepIII師導(dǎo)生學(xué) 合作探究（師生互動(dòng)）Listening:(1) Ask Ss to listen to the tape and finish Ex1 on P30.(2) Play the tape again and ask Ss to check the answers in pairs.(3) As