2014届高三人教版英语一轮复习精品教学案 必修3Unit4 Astronomy;thescienceofthestars
高考英语一轮复习话题14宇宙知识(Unit4Astronomythescienceofthestars)新人教版必修3
话题14 宇宙知识（Unit 4 Astronomy the science of the stars）晨读背诵1. get started开始2. grasp/seize the opportunity 抓住机会3. set foot in China踏上中国的土地4. as sb. puts it正如某人所说5. enjoy a boom in scientific and technological development有科技发展的兴隆6. send satellites into space发射卫星到太空7. first manned space flight首次载人太空飞行8. deadly disease致命的疾病 9. to name (just) a few仅以这些为例10. name after the atest technology of the time以那个时期最新的技术为名11. give rise to引起 12. in some/most cases在某些/大多数情况下13. the same is true for ……也适用于 14. run a company经营公司15. aim at sth./doing以做……为目的16. for the time being 暂时基础知识自测一、单词拓展(A)根据音标及词义写出英文单词｡1. astronomy [əˈstrɒnəmɪ] n.天文学→astronomer [əˈstrɒnəmə(r)] n.天文学家2. system [ˈsɪstəm] n.系统;体系;制度3. theory [ˈθɪərɪ] n.学说;理论→theoretical [θɪəˈretɪk(ə)l] adj.理论上的4. globe [ɡləʊb] n.球体;地球仪;地球→global [ˈɡləʊb(ə)l] adj.全球性的;全世界的5. violent [ˈvaɪələnt] adj.猛烈的;激烈的;强暴的→violence [ˈvaɪələns] n.暴力→violently [ˈvaɪələntlɪ]adv.猛烈地6. atmosphere [ˈætməsfɪə(r)] n.大气层;气氛7. unlike [ʌnˈlaɪk] prep.不同;不像→dislike [dɪsˈlaɪk] vt.不喜欢8. presence [ˈprezəns] n.出席;到场;存在→present [ˈprez(ə)nt] adj. & n. & v.在场的;目前,现在;出席;颁发,授予9. harmful ['hɑ:mful] adj.有害的;伤害的→harm [hɑːm] n.危害,害处→harmless [ˈhɑːmlɪs] adj.无害的10. exist [ɪɡˈzɪst] vi.存在,生存→existence [ɪɡˈzɪst(ə)ns] n.存在,生存11. puzzle [ˈpʌz(ə)l] n.谜;难题vt. & vi.(使)迷惑;(使)为难→puzzled [ˈpʌz(ə)ld]adj.迷惑的→puzzling [ˈpʌz(ə)lɪŋ]adj.令人迷惑的12. gravity [ˈɡrævɪtɪ] n.万有引力;重力13. satellite [ˈsætəlaɪt] n.卫星;人造卫星14. climate [ˈklaɪmɪt] n.气候15. spaceship [ˈspeɪsʃɪp] n.宇宙飞船16. pull [pʊl] n. & vt.拉(力);拖;牵引力17. float [fləʊt] vi. & vt.(使)浮动;(使)漂浮 n.漂浮物18. mass [mæs] n.质量;团;块;大量;(复)群众(B)单词活用用所给词的正确形式填空。
人教版高中英语必修3Unit 4Astronomy the science of the starsReading教案14
Unit 4 Astronomy: the science of the starsTeaching goals 教学目标1 Target language目标语言a. 重点词汇和短语force, gradually, float, mass, cheer up, now that, break outb.重点句子：When we get closer to the moon, we shall feel its gravity pulling us but it will not be as strong a pull as the earth’s. P30Walking does need a bit of practice now that gravity has changed. P31We watched, amazed as fire broke out on the outside of the spaceship the earth’s gravity increased. P312 Ability goals 能力目标a Discuss the three ways in which gravity changed on the moon. and some information about black holes.b. Discuss the questions about the passage:How did gravity change on the moon?What does a black hole look like?What will happen if an object is near the black hole?Teach the Ss to read passages with feeling.3 Learning ability goals 学能目标Enable the Ss to get to know about gravity and black holes.Teaching important points教学重点Talk about gravity and black holes.Teaching difficult points教学难点a. Discuss the answers to the questionsb. Teach the Ss to read the passage with feeling, paying attention to pronunciation and intonation. Teaching methods教学方法a. Fast readingb. Dealing with comprehension questionsc. DiscussionTeaching aids教具准备A projector, a computer, a recorderTeaching procedures & ways教学过程与方式Step I RevisionCheck homeworkT: Last class we have learned different ideas about gravity, what quality an astronaut should have and some equipment on a spacesuit. Now answer the question: What needs to be an astronaut? S: An astronaut should have good health, excellent degree, many years’ training, right height and weight. They also should be calm, firm, patient, mature and hard-working. They must be able to adapt to the harshness of life in space.Step II Reading (Page30)1.Ask the students to read the passage quickly and fill in the form. Then check the answer.T: In last lesson, we have learned some information about gravity. Today we’ll know gravity in details.2.Listen to the tape and imitate he tape. Then practice reading aloud the dialogue with feeling.3.Ask two or three pairs of Ss to read the passage with feeling.Step III Reading Task (Page66)This reading passage is about black holes.. After the first reading, let the Ss answer some questions. Show the questions on the screen. Then, let them talk about the form on page 67 after reading the text again.T: Last time we’ve learnt something about black holes in Listening. Do you remember Stephen Hawking’s idea about it?S: He thinks that black holes can both eat and spit objects out.T: Very good. Now we’ll read the passage about black holes. Turn to Page66, read it quickly and try to find the answers to the questions.Questions: 1.Can a black hole be seen? How do you know it’s a black hole?2.What happened to the spaceship from the beginning to the end?Check the answer with the whole class.Answers: 1.No, it can’t be seen. You can see things disappear into what appears to be an empty space.2.At first the lights on the spaceship went out and the computer stopped working.Then the spaceship jumped and began to move around the edge of the outside of thehole.As the spaceship moved around the hole, it began to go faster and faster.But then the spaceship jumped again, and it moved sideways from the black hole.It began to increase its speed until it seemed to be going as fast as light.At last the spaceship slowed down and the computer started working again.T: Now talk about the form on Page 67 with your partners.(A few minutes later,)T: All right.We’ll talk about the answers.Ask several students to answer them one by one, and then show suggested answers.Suggested answers:Step IV Extra-readingHere is a supplementary reading material on the screen, a passage about black holes. Read it carefully and then do some comprehension exercises with their partners.T: Till now, we have learned two passages about gravity and black holes. Here is a supplementary reading material on the screen. Read it carefully and prepare to do some reading comprehension exercises with your partners.Questions: 1.What’s a black hole?2.Why is it called black hole?3.What is called the singularity?4.What is called the event horizon?What is a Black Hole?A black hole is what remains when a massive star dies.If you have read How Stars Work, then you know that a star is a huge, amazing fusion reactor. Because stars are so massive and made out of gas, there is an intense gravitational field that is always trying to collapse the star. The fusion reactions happening in the core are like a giant fusion bomb that is trying to explode the star. The balance between the gravitational forces and the explosive forces is what defines the size of the star.As the star dies, the nuclear fusion reactions stop because the fuel for these reactions gets burned up. At the same time, the star's gravity pulls material inward and compresses the core. As the core compresses, it heats up and eventually creates a supernova explosion in which the material and radiation blasts out into space. What remains is the highly compressed, and extremely massive core.The core's gravity is so strong that even light cannot escape. This object is now a black hole and literally disappears from view. Because the core's gravity is so strong, the core sinks through the fabric of space-time, creating a hole in space-time -- this is why the object is called a black hole. The core becomes the central part of the black hole called the singularity. The opening of the hole is called the event horizon. You can think of the event horizon as the mouth of the black hole. Once something passes the event horizon, it is gone for good. Once inside the event horizon, all "events" (points in space-time) stop, and nothing (even light) can escape. The radius of the event horizon is called the Schwarzschild radius,named after astronomer Karl Schwarzschild, whose work led to the theory of black holes. Suggested answers:1. A black hole is what remains when a massive star dies.2. Because the core's gravity is so strong, the core sinks through the fabric of space-time, creating ahole in space-time -- this is why the object is called a black hole.3.The core becomes the central part of the black hole called the singularity.4.The opening of the hole is called the event horizon. Step V HomeworkCollect passages about gravity. Prepare for speakingHistoryThe concept of an object from which light could not escape (e.g., black hole) was originally proposed by Pierre Simon Laplace in 1795. Using Newton's Theory of Gravity, Laplace calculated that if an object were compressed into a small enough radius, then the escape velocity of that object would be faster than the speed of light.Photo courtesy NASAArtist concept of a black hole: The arrows show the paths of objects in and around the opening of the blackhole.。
高三人教版英语大一轮复习课件必修3 Unit 4 Astronomy the science of the stars(92张PPT)
解析：句意：太空中有 58000 多个固体物体，其中大约 900 多个可能掉到地球上。本题考查冠词。in space 为固定搭 配，意为“在太空中”；earth 为独一无二的物体，其前要加 定冠词。
答案：不填；the
3．[教材原句]The earth became so violent that it was not clear whether the shape would last or not.(U4P25) [真题改编](2013· 陕西改编)It remains to be seen ______ the newly formed committee's policy can be put into practice. [考题巧解]
答案：in a friendly atmosphere
2．[教材原句]．..have a chance to make a trip into space with my friend...(U4P30) [真题改编](2010· 辽宁改编)There are over 58,000 rocky objects in________space, about 900 of which could fall down onto________earth. [考题巧解]
解析：本题考查名词性从句。句意：那仍然得看新形成 的委员会政策能否付诸实践。It 在此为形式主语，故 seen 后 为真正的主语从句，又由 remains to be seen 可知存在不确定 的意思，所以用 whether 是否。
答案：whether
4．[教材原句]Last month I was lucky enough to have a chance_to make a trip into space with my friend...(U4P30) [ 真 题 改 编 ](2013· 北 京 改 编 )Volunteering gives you a chance ________(change) lives, including your own. [考题巧解]
英语：高三一轮复习超级课件_Unit4《Astronomy：the_science_of_the_stars》(新人教版必修3)
B．more than
• C．as much as
D．as far as
• [解题指导] 句意：在古代，人们很少进行 长途旅行，大多数农民最远也就到当地的 市场。考查副词。题干中未含有比较的意 思，所以排除A、B两项；空格处的词用来 修饰动词travel旅行，又有后面的地点the local market提示，所以选D。
• 2． system n．系统；制度→ systematic adj.成体 系的
• 3． religion n．宗教→ religious adj.宗教的 • 4． theory n．学说；理论 • 5． violent adj.猛烈的；激烈的→ violently adj.猛
烈地→
• violencen．暴力
• ①Several people believe the Devil exists in the world. • 少数人认为世界上存在恶魔。 • ②She existed only on milk.她只靠牛奶生存。 • ③This new country came into existence in 1951. • 这个新国家于1951年成立。 • ④There exists a lake on the top of the mountain. • 山顶上有一个湖。
• Ⅲ.重点句型
• 1． 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.
• 随后它会变成什么没有人知道，直到38～ 45亿年前，这团尘埃才慢慢地形成一个固 体的球状物。
2014高考英语一轮复习课件：必修3unit4astronomy：the(精)
• • • •
①devote one’s life to一生致力于…… ②devote oneself to专心致力于……，献身…… ③be devoted to热衷于……；挚爱…… ④devotion to对……的热爱
• 完成句子 • ①He devoted himself to (献身于)the education in his hometown. • ②He devoted his whole life to studying(把一生专注于研 究) the cure of cancer.
2014高考英语一轮复习课 件
教材复习篇
必修一 Units 3~5
Unit 5
Nelson Mandela—a modern hero
• • • • • •
Ⅰ.晨背5分钟 一、短语晨背 1．out of work失业 2．as a matter of fact事实上 3．blow up使充气；爆炸 4．in trouble在危险、受罚、痛苦、忧虑等的处 境中
•
devote vt.把……奉献；致力于
• ①The devotion of too much time to sports leaves too little time for studying. • 把过多的时间用于体育运动就使得用于学习的 时间太少了。
• ②Encouraged by its success，Fitzgerald began to devote more time to his writing. • 受它的成功鼓舞，Fitzgerald开始在写作上花更 多的时间。 • ③Most of our meetings were devoted to discussing the housing problem. • 我们的大部分会议都用来讨论住房问题。
高中英语人教版必修3Unit 4 Astronomy：the science of the stars教学设计
高中英语人教版必修3Unit 4 Astronomy：the science of the stars教学设计The reading passage titled HOW LIFE BEGAN ON THE EARTH provides students a brief introduction on how the universe developed into space and how life began on the earth. It provides a scientific background to any investigation into space and it is factual.This unit is concerned with astronomy and how human beings first evolved on the earth and understand the universe around them. The exploration of space is examined through science fiction as nobody has yet visited a “black hole”. We also examined how ideas have developed about gravity. The three scientists who have made the greatest contribution to our understanding of gravity are Isaac Newton, Albert Einstein and Stephen Hawking.Science of the star：the development of life; space travel and gravityV ocabulary: astronomy, system, religion, theory, atom, billion, globe, violent, carbon, atmosphere, unlike, fundamental, harmful, acid, chain, oxygen, exist, thus, dioxide, puzzle, biology, biologist, satellite, gentle, physicist, climate, crash, spaceship, pull, float, solar system, in time, give birth to, in one`s turn, prevent….from, block out, cheer up, now that, watch outPlanets: Mercury(水星), Venus(金星), Earth(地球), Mars(火星), Jupiter(木星), Saturn(土星), Uranus(天王星), Neptune(海王星)The Big Bang: It is the term used to describe a huge explosion that scientists believe happened around 15 billion years ago, creating our universe. Nobody knows what caused the Big Bang, since we cannot look back to a time before it. But just after the event, the universe is believed to have been a knot of tightly packed particles only about the size of a pea. Its temperature was ten thousand trillion, trillion degree Celsius.The universe is made up of stars, planets, and other matter scattered throughout space.Satellites are objects that move in orbit around other objects of greater mass. A satellite may be natural, like the moon, or artificial, like a spacecraft.Our solar system is made up of the sun and the objects that orbit it. These include the eight planets (and probably more than eight) and their moons, as well as asteroids, comets, and meteors.Some examples of the creation stories.1 The story of Hopi people: The Four Creations.2 From China: The story of Pan GuInstructions(提示):Please pay attention to….Please check that….Please look at…..Make sure that….Don`t forget that…..Watch out for….You need….You had better…..The first period: Warming up and ReadingImportant points: let the students read the passage and learn about the development of the earth by using different reading skills to understand implied meaning of the author.Difficult points: enable the students to understand the passage and know the development of the earth by using different reading skills.Knowledge aims: learn the useful new words and expressions in this part: astronomy,, system, religion, theory, atom, billion, globe, violent, carbon, atmosphere, unlike, fundamental, armful, acid, chain, multiply, oxygen, exist, dioxide, puzzle, solar system, in time, lay eggs, give birth to, in one`s turn, carbon dioxide, prevent….fromStep 1 Presentation1. Have a free talk with students by letting them brainstorm the following questions:Who are our ancestors?Do you know what it was like before life appeared on the earth?Do you know how life began on the earth?Do you want to get more information?2. Tell them: today we will learn something about how life began on the earth. Turn to page 25. let`s come to Warming up.Step 2 Warming up1. In our solar system eight planets circle around the sun. They are: Uranus天王星, Venus金星, Earth地球, Mars火星, Mercury水星, Jupiter木星, Neptune海王星, Saturn土星.2. What interests you in astronomy? Do you know any questions that astronomers are interested in?Step 3 Pre-reading1. First get students to discuss the questions with their partners:The origin of life on earth is a question that interests astronomers. Do you know about it?Each religion and culture has its own idea about how life began on earth. What do you know about them?2. Get them to tell their stories. Encourage them to tell different stories.3. Get them read the title and predict what the reading will be about.Step 4 Reading1. Fast reading: get them read the passage quickly and then write down the main idea for each paragraph2. Intensive reading: allow them several minute to read and get the important details, then finish the3. Put the order of development of life into a time-line.1). Insects and amphibians appeared. (H)2). Dinosaurs appeared. (J)3). The earth became a solid ball. (C)4). Small plants grew on the water. (E)5). Reptiles appeared. (I)6). Plants began to grow on dry dust. (G)7). Water appeared on the earth. (B)8). Shellfish and other fish appeared. (D)9). The universe began with a “Big Bang”. (F)10). Clever animals with hands and feet appeared. (A)11). Mammals appeared. (L)12). The earth was a cloud of dust. (K)4. Choose the best answers to the questions:1). What is important for the beginning of life?A. The water on the earth.B. The earth`s atmosphere.C. The form of forests.D. Dissolving harmful gases.2). Which of the following appeared on the earth first?A. InsectsB. ReptilesC. AmphibiansD. Shellfish and fish.3. Which of the following statements is true?A. water still exists on MarsB. the earth`s atmosphere is made up of oxygen and nitrogenC. the earth had dissolved the harmful atmosphere into the ocean and seas.D. Plants provide oxygen to the earth.4). What is the passage mainly about?A. The appearance and development of life on the earth.B. The birth of the earth.C. Why dinosaurs died out.D. The fact that human being caused begins global warming.4. Reading and discussion:1). Why was the earth different from the other planets?(Because the water remained on the earth.)2). Why did the plants grow before the animals came?(Because plants provide oxygen for animals to breathe.)3). Why is it wrong to show films with dinosaurs and people together?(Because dinosaurs died out long before human beings developed on the earth.)4). What problem is caused by human beings?(Human beings caused global warming.)5. Explanations: discuss the following important sentences and phrases.1). What is was to become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into solid globe.2). The earth became so violent that it was not clear whether the shape would last or not.3). They were in time to produce carbon, nitrogen, water vapor and other gases, which were to make the earth`s atmosphere.4). So whether life will continue on the earth for millions of years to come will depend on whether this problem can be solved.Suggested answers:6. Reading aloud and understanding: ask them to read the passage aloud to the tape and let them payattention to the pronunciation of each new words and the pause within each sentence and pick out the useful expressions and collocations.On the earth, according to, a cloud of dust, so… that, whether …or not, in time, water vapor, cool down, on one`s surface, allow… to do sth. a chain reaction, millions of, on the surface of, be able to, as well as, by doing…. Lay eggs, be different from, give birth to, spread all over the earth, in one`s turn, prevent… from, as a result of, too… to, depend… on7.One hundred and forty million years before humans existed, dinosaurs ruled the earth. They lived for so long on the earth that they developed into many different species. They had few natural enemies besides each other, so each species had to protect their young from being eaten by other dinosaurs. As they lived in a warm and wet climate, there was plenty of food so dinosaur species multiplied quickly. Who knows that would have happened if the earth`s weather had not changed? Sadly it became hot had dry and the dinosaurs were unable to prevent themselves from disappearing altogether. However, students and scientists love to study their bones and imagine their life.Step 5 DiscussionAfter reading the passage, let students discuss the following questions:1).Why do you think human beings are the cleverest animals on the earth?2). Do you believe that there is life on other planets? Why or why not?3). Do you think it is possible that one day people will move their houses to other planets?Step 6 ConsolidationAsk students to retell the passage with the help of the following:A cloud of dust →a solid ball →presence of water →small plants grow on the water →shellfish and other fish appear →plants began to grow on dry land →insects and amphibians appear →retiles appear →dinosaurs appear →mammals appearStep 7 HomeworkLearn the useful new words and expressions by heart.Read the reading passage again and try to talk about how life began on the earth in your own words.The second period: ReadingKnowledge aims: get the students to earn the useful words and expressions: astronomy, system, religion, theory, atom, billion, globe, violent, carbon, atmosphere, unlike, fundamental, harmful, acid, chain, multiply, oxygen, exist, thus, dioxide, puzzle, solar system, in time, lay eggs, give birth to, in one`s turn, carbon dioxide, prevent…from.Skill aims: Improve students` reading comprehensive ability and enable them to know about how the earthcame into being and the development of life.Teaching important and difficult points: discuss the development of life. What will our future be like if the earth becomes too hot to live? And what can we do to prevent such serious situation from happening?Step 1 Lead-in (Individual work)Lead in the passage by asking some questions:Did human beings live on the earth when the earth came into being?( monkeys, Apes类人猿, gorillas猩猩, chimpanzees黑猩猩, primate灵长目动物)Do you know what plays the most important part in our body, water or fat?Do you know how did water come into being on the earth?Step 2 Fast reading (task 1)1. Read paragraph 1-3. After having read, let them watch the video of “Big Bang”, and answer the question “how did water come into being on the earth?” (The explosion of the earth produced water vapor, which turned into water when the earth cooled down.)2. Careful reading: read the passage carefully and answer the following questions:1). What is the earth`s atmosphere made up of?(Carbon, nitrogen, water vapor and other gases)2). Why was the earth different from other planets? (B)A. It produced a lot of heat.B. The water remained.C. Water disappeared.D. It was the oldest planet.3). Why was water very important for the beginning of life?(Water allowed the earth to dissolved harmful gases and acids into the oceans and seas.)3. Do the exercises and then check with the whole class.Step 3 Intensive reading (task 2)Read the whole text and finish the chart. (Pair work)Step 4 Have a discussion (task 3)Through the teacher`s description, we learned the development of life. It is a long and slow process. And the earth is the best place for all the living things to live on. But human beings didn`t take care of it.Listen to the last paragraph twice with the books closed.1). What problem is caused by human beings? (B)A.They exist everywhere on the earth.B.They caused global warming.C.They find new methods of growing crops.D.They enjoy hunting and fishing.2). From the last paragraph we can infer that the author is a little ------. (C)A. HappyB. carelessC. worriedD. excitedStep 5 Self-assessmentWrite down your opinions according to the questions in the card.1). Can you give a brief introduction to how the universe developed, how life began on the earth and the development of life in your own words?2). What strategies of reading have you learned in the class?3). Are you active in the class?4). What problems did you have in reading?5). What help do you need from the teacher?Step 6 HomeworkPlease try your best to retell the passage in your own words.Write a short passage according to what we have discussed. The title is “How to Protect the Earth”. (About 120 words.)The third period: Learning about Language: Important language pointsThe emphasis of this period will be placed on the important new words and sentence patterns in the parts Warming Up, Pre-reading, Reading and Comprehending.Important points: enable students to grasp the usages of such important new words and expressions as exist, puzzle, in time, in one`s turn, prevent…. from; get students to master the patterns “The earth became so violent that it was not clear whether the shape would last or not.” And “So whether life will continue on the earth for millions of years to come will depend on whether this problem can be solved.”Difficult points: 1). let students learn the usages of the expression “prevent….from….; 2). enable them to learn the sentence pattern “It is(not)+ adj. +that ( whether)…..”; 3). get them to understand some difficult and long sentences.Knowledge aims: get them to learn the following sentence patterns: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. (be to do; what-clause as the subject)The earth became so violent that it was not clear whether the shape would last or not. (so …. That; it is / was not + adj. + whether-clause)What is even more important is that as the earth cooled down, water began to appear on its surface. (what-clause as the subject; that-clause as the predicative)It was not immediately obvious that water was to be fundamental to the development of life. (It is / was (not) + adj. + that……)So whether life will continue on the earth for million of years to come will depend on whether this problem can be solved. (whether-clause as the subject; depend on + whether-clause as the object)Step 1 RevisionCheck the homework exercises.Ask some students to talk about how life began on the earth.Step 2 Reading and findingGet students read through Warming Up, pre-reading, reading and comprehending to underline all the new words and expressions or collocations.Step 3 Practice for useful words and expressionsTurn to page 28. go through the exercises and then do them by themselves.Step 4 Studying important language points1. according to: as stated by sb. or in sth.According to John, you were in Edinburgh last week.You have been in prison six times according to our record.2. It is not clear how gold was found there.It is hard to understand why there is gravity.3. in time: sooner or later; eventuallyin / out of time(sth.) be to (do): something will definitely happen, or it must happenYou will succeed in time.She will be back in time to prepare dinner.The audience clapped in time to the music.She is to be honored for this great work.They said goodbye, little knowing that they were never to meet again.4. allow + n. / pron. / doing; allow sb. to do sth.5. exist: be real or actual; have beingThe Roman Empire existed for several centuries.Contradictions exist everywhere.Salt exists mostly in sea water.So poor they can hardly exist.One can not exist without air.6. be different from: not like someone or something else in one or more waysCity life is different from country life.7. give birth to: produce youngShe gave birth to a healthy baby last night.Mark`s idea gave birth to Communism.8. in one`s turnin turn: one after the other; in successionby turn: one after the other; in rotationHe has become monitor in his turn.The girl called out their names in turn.We did the work by turn.9. prevent…..from…: stop or hinder sth. / sb.Nothing can prevent their plan from being carried out.10. depend on (sth. else): something might only happen or be true if the circumstances are right for it Our success depends on whether everyone works hard or not.Step 5 Using words, expressions and patternsDo the exercises in Using words and expressions on page 63.Step 6 HomeworkFinish off the Workbook exercises.Learn the new words and expressions by heart.The forth period: Learning about language: GrammarThis period mainly deals with the following:1). Review noun clauses as the object and as the predicative;2). Learn the new grammar item: noun clauses as the subject.Important points: get the students to understand and use noun clauses as the subject.Difficult point: enable students to learn how to use noun clauses as the subject correctly.Step 1 Revision1. Check the homework exercises.2. Dictate some new words and expressions.3. Translate the following sentences.1). 你早晚会来的.→You will come here in time.2). 我的车与你的不一样.→My car is different from yours.3). 他总是第一个来, 最后一个走.→He is always the first to come and the last to go.4). 他来还是不来不清楚.→It is not clear whether he comes or not.5). 我们的成败取决于是否每个人都努力工作.→Our success depends on whether everyone works hard or not.6). 我们必须采取措施防止这种疾病的蔓延.→We must take action to prevent this disease from spreading.Step 2 PreparationAsk students to read the following sentences and find out its subject.A tree has fallen across the road.You are a student.To find your way can be a problem.Smoking is bad for your health.“How do you do?” is a greeting.What she said is not yet unknown.That we shall be late is certain.It is certain that we shall be late.Step 3 Grammar learning1. Read and discover. Turn to page 25 and read through the reading passage to find out all the sentences where noun clauses are used as the subject and underline them.1). 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). The earth became so violent that it was not clear whether the shape would last or not.3). What is even more important is that as the earth cooled down, water began to appear on its surface.4). It was not immediately obvious that water was to be fundamental to the development of life.5). What many scientists believe is that the continued presence of water the earth to dissolve harmful gasses and acids into the oceans and seas.6). Why they suddenly disappeared still remains a mystery.7). So whether life will continue on the earth for millions of years to come will depend on whether this problem can be solved.2. Summing up: noun clauses as the subject主语从句: 做主语用的名词性从句, 在复合句中做主语.1). 连接词:从属连词that(引导主语从句只是引导作用, 在句中不做任何成分, 但不能省略), whether(放在句首或者句末) 等.That she left him cut him to the heart.Whether it will please them is not easy to say. / It is not east to say whether it will please them.2). 连接代词who, what, which, whoever, whatever, whichever等What seems easy to some people seems difficult to others.3). 连接副词when, where, why, how等4). 几种特殊句型:It + be + 表语+ 主语从句It + 不及物动词+ 主语从句It + 及物动词+ 主语从句Step 4 Grammar practiceTurn to page 29. Ask students to do exercises2-3 in Discovering useful structures.Step 5 DiscussionLet students have a discussion in groups. The topic is “My problem”. One talks about the problems in his study or life. The others should give some advice or suggestion. Remind students to use the following structures:The fact is that / it is a fact that……The difficulty is ….. / What I find difficulty is…..The trouble is ….. / What worries me is …..My advice is …. / What I would suggest is …..My advice is ….. / What I would advise is …..I think that ….. / What I think is …..I want to tell you that …. / What I want to say …..Step 6 Closing down by a quizShow them some exercises to do.1). I have always been honest and straightforward, and it doesn`t matter ----- that I am talking to.A. who is itB. who it isC. it is whoD. it is whom2). It is pretty well understood ----- control the flow of carbon dioxide in and out the atmosphere today.A. thatB. whenC. whatD. how3). ----- made the school proud was ----- more than 90% of students had been admitted to key university.A. What; becauseB. What; thatC. That; whatD. That; because4). ----- team wins on Saturday will go through to the national championship.A. No matter whatB. No matter whichC. WhateverD. Whichever5). ----- is our belief that improvements in health care will lead to a stronger, more prosperous economy.A. AsB. ThatC. ThisD. It6). ----- I can`t understand is ----- he changed his mind.A. That; thatB. What; whyC. Which; howD. That; why7). ____ Ben looked so upset was not clear.A. WhenB. ThatC. WhyD. What8). _____ is a secret to me, so I have to ring her up.A. Where did she put itB. Where she put itC. That where she put itD. In which she put it9). _____ you have done might be good for your sister.A. ThatB. WhatC. WhichD. This10). ____ is known to us _____ David will solve the problem tomorrow.A. It; whatB. What; thatC. It; howD. What; when11). ____ has finished the work on time will be rewarded though we don`t know who it will be.A. WhomeverB. AnyoneC. No matter whoD. Whoever12). ____ the man can`t understand is _____ the pay is lower and lower.A. What; whyB. That; whatC. What; becauseD. Why; that13). It was about two years ago _____ a young man saved ten children from the ruins.A. thatB. untilC. beforeD. when14). _____ we will go to see a movie this weekend depends on my father`s schedule.A. IfB. ThatC. WhetherD. What15). _____ will be the competitor to take part in the speech competition hasn`t been decided yet.A. WhoB. WhatC. ThatD. Whether16). _____ the concert will begin is not clear. Why don`t you ask the man sitting next to you?A. ThatB. UntilC. BeforeD. When(参考答案: BCBDD BCBBC DAACA D)Step 7 HomeworkFinish off the Workbook exercises.Preview the reading passage A VISIT TO THE MOON on page 30, find out the sentences in which noun clauses are used, and see if you can understand them.The fifth period: Using Language: Listening and speakingDifficult points: develop students` listening and speaking abilities in order to get them master different listening skills and learn the expressions of giving instructions.Important points: get students to listen to the materials to make a dialogue using the fundamental items for giving instructions.Step 1 Revision1. Check the homework.2. Ask some students to translate the sentences into English. 1). 谁去都一样.→Who will go makes no difference.2). 野生动物能否得到很好的保护至关重要.→Whether wild life can be well protected is of great importance. 3). 恐龙为什么灭绝了依然是一个谜. →Why dinosaurs died out remains a puzzle. 4). 新饭馆什么时候开张还没有决定.→It is not decided when the new restaurant will open. 5). 你这么快就走, 真遗憾!→It is shame that you have to leave so soon.Step 2 Warming upTell students to turn to page 30 and do some listening. Play the tape three times for them to listen to and getStep 3 listening on page 621. Listen to the tape and do some exercises.4. Have them fill in the blanks in the passage below after finishing the above.Well, I ----- of it when I was -----, but I never thought my ----- would come -----. It all happened very -----. If there was an ----- I would ------ to go to the moon one day.Step 4 Talking1. Get them to read the expressions aloud to make sure them understand their Chinese meaning.Please pay attention to……Please check that ……..You need ……Don`t forget to ……….Make sure that …….. Watch out for……..You had better …….. You must / must not ……..Please look at …..2. Suppose a situation: imagine one of your friends wants to go on a trip into space. You are worried about that he / she in not being careful enough in his / her preparations. So in pairs, make up a set of instructions for new space travelers.Step 5 Listening Task on page 651. Turn to page 65. Tell them to listen to part of Professor Wallis` interview with Li Yanping, the famous astronomer, about his first space walk.2. Have them read the words below and try to guess their meanings.Hubble telescope oxygen waist gravity bootsEngines weight tiring feathersStep 6 SummaryIn this period, we mainly focus on the listening and speaking abilities. They are very important. If your listening or speaking is poor, you had better practice more. The more you listen to or speak English, the better your listening and speaking is. Remember: Practice makes perfect.Step 7 HomeworkFinish the Workbook exercises.Read the listening texts again and try to learn about gravity and space travel.The sixth period: Using Language: Extensive readingThe teaching emphasis will be put on developing students` reading ability by reading extensively. We will deal with two parts: A VISIT TO THE MOON IN Using Language on page 30-31 and CAUGHT BY A BLACK HOLE in Reading Task on page 66.Difficult points: develop students` reading skills by extensive reading.Important points: enable students to learn to use reading strategies as skimming, scanning, and so on. Get students to understand the science fiction stories.Step 1 Revision1. Check the homework exercises.2. Ask some students to come to the front and act out their dialogues to review the expressions of giving instructions.3. Get the students talk something about Isaac Newton, Albert Einstein and Stephen Hawking as well as their ideas on the gravity.Step 2 Warming upLet students brainstorm the following questions:What country first sent people into space?How many countries have succeeded in sending people into space so far?Who first landed on the moon?Who is the first Chinese astronaut to go into space?Do you want to visit the moon?Step 3 Reading1. Ask students to read the passage and then describe the three ways in which gravity changed for Li Yan ping and how his weight changed.2. Fill in the two tables:3. Read the passage aloud to the tape and underline all the useful expressions or collocations: be lucky enough to do, have a chance, make a trip into space, explain sth. to sb. the force of gravity, be off, the pull of the earth`s gravity, fall back to the earth, fall to the ground, too far from the earth, as if, at all, get close to, cheer up, come on, less than, down the steps, step forward, twice, as far as, fall over, a bit of, now that, after a while, get the hang of, break out, on the outside of, be pushed intoStep 4 Important language points1. Before we left, Li Yan ping explained to me that the force of gravity would change three times on our journey and that the first change would be the most powerful.2. I cheered up immediately and floated weightlessly around in our spaceship cabin watching the earth become smaller and the moon larger.3. “Oh, deer,” I cried, “walking does need a bit of practice now that gravity has changed.”4. We watched, amazed as fire broke out on the outside of the spaceship as the earth`s gravity increased.Step 5 Reading task (page 66.)1. Ask students to read the passage and answer the questions:1). Can a black hole be seen? How do you know it is a black hole?(No, it can not be seen. You can see things disappear into what appears to be empty space. )2). What happened to the spaceship from the beginning to the end?(At first the light on the spaceship went out and the computer stopped working. Then the spaceship jumped and began to move around the edge of the outside of the hole.As the spaceship moved around the hole, it began to go faster and faster.But then the spaceship jumped again, it moved sideways from the black hole. It began to increase its speed until it seemed to be going as fast as light.At last the spaceship slowed down and the computer started working again.)Step 6 ConsolidationAsk some students to read the passage again to prepare to retell the whole story.。
高中英语 必修3 Unit 4 Astronomy The science of the stars 精品学案(人教版 必修3 Unit4)
高中英语必修3Unit4AstronomyThescienceofthestars精品学案(人教版必修3Unit4)一．知识回顾I.重点词汇及短语1.太阳系_____________________2.及时；终于___________________3.下蛋______________________4.产生；分娩____________________5.轮到某人；接着_______________6.阻止；制止___________________7..挡住（光线）___________________8.感到高兴；感到振奋_____________9.既然_______________________10.突发；爆发__________________11.密切注视；当心；提防____________12.开始存在；产生________________13.当着某人的面_____________________14.对……有害_____________________II.词汇运用1.presence①Heapologizedtoher_________________thewholefamily.（当着家人的面）②Allthepeople___________atthepartywerehissupporters.A.presentB.thankfulC.interestedD.important③TheGrammyAwards_____________everyyearinthemusicindustryintheUnitedStates.(授予;给予)④Pleaseallowmeto_______Mr.Brown_______you.(介绍，引见)⑤出席________________提出自己的观点_____________________2.harmful①Don’tread inthesun,forit’s_______________________________(对你的眼睛有害)②对某人有害___________________________________________3.exist①.做这种手术的技术早已存在__________________________________________________________________________②.Whendidtheworld__________________________？(开始形成)4.intime①Ifyoucatchtheearlybus,youwillgetthere_______________(及时)②Keeponworking,andyouwillsucceed__________________(终究)5.prevent…from;stop/keep…from①Somethingmustbedoneto________theenvironment___________________(防止污染).②She___________hereyes_______(保护)thesunwithherhands.③Youshouldpreventyourson_______toomanycomputergamesAtoplayBplayingCplayDfromplay6.cheerup①____________abit,thingsaren’tthatbad.②Thecrowd________therunners_________(为……加油鼓励)whentheystartedthelastlap.7.breakout①介、副词填空(1)Shestartedtospeak,thenbroke______whileawaitressserveduswithcoffee.(2)Helosthisjobandhismarriagebroke______.(3)Herhealthbroke________underthepressureofwork.(4)Shouldanotherworldwarbreak______，whatwouldbecomeofhumanbeings?(5)Firemenhadtobreakthedoor______toreachthepeopletrappedinside.(6)Themeetingbroke______ateleveno'clock.②----DoyouknowwhentheAnti-JapaneseWar________?-----Ofcourse.Asa Chinese,I’ll neverforgetthatday:July7,1937. AbrokeoutBbrokeupCbrokeinDbrokeoff③IfMikecarriesonworkinglikethis,he’ll______soonerorlater. AputdownBgetdownCbreakdownDgodown⒏nowthat①既然你恢复健康了，你可以继续你的工作了。
高中英语一轮复习 Unit 4 Astronomythe science of the stars精讲精练学案 新人教版必修3
Unit 4 Astronomy the science of the starsⅠ.重点单词聚焦1．It cost him more than one________(十亿) dollars to complete the project.答案：billion2．“What happened？” John’s mother asked him in a________(温和的) voice.答案：gentle3．Before the Earth’s protective________(大气层) was formed，there was no life except in the sea.答案：atmosphere4．With the________(引力) of the moon and the sun each day，tides (潮汐) roll in and roll away.答案：pull5．Manmade________(卫星) are used for sending and receiving messages.答案：satellites6．Smoking________(乘，增加) the risk of heart attacks and other health problems. 答案：multiplies7．Eating too many desserts can be________(有害的) to one’s teeth.答案：harmful8．Global warming and________(气候) change problems are perhaps the greatest threats to our planet.答案：climate9．According to the________(理论) of relativity (相对论)，nothing can travel faster than light.答案：theory10．Most of the evidence had been destroyed.________(因此，于是)，it was almost impossible to prove him guilty.答案：ThusⅡ.重点短语扫描1．prevent... ... 阻止……2． eggs 下蛋3．one’s turn轮到某人；接着4．get the hang 熟悉；掌握；理解5．watch 密切注视；当心；提防6．depend 依靠7． time 及时，终于8．give 产生；分娩9．cheer 感到高兴；感到振奋10．now 既然11．break 突发；爆发fromlayinofoutoninbirth toupthatoutⅢ.课文原句突破1．随后它会变成什么没有人知道，直到38～45亿年前，这团尘埃才慢慢地形成一个固体的球状物。
高三英语一轮复习Unit4Astronomythescienceofthestars课件新人教版必修
基础分级自助餐
Ⅰ.重点单词 1. 阅读单词·识记 ①system n． ________ ②theory n． ________ ③billion pron. & n. & adj. ________ ④atmosphere n. ________ ⑤fundamental adj. ________ ⑥oxygen n. ________ ⑦gravity n. ________ ⑧spaceship n. ________ ⑨chain n. ________ ⑩mass n. ________
2. 各种“碰撞”聚焦 ①collision n． 撞击；碰撞 ②bump n．&v. 撞；碰撞(声) ③collide v. 碰撞；相撞 ④run into 撞上 ⑤knock into 撞上
3. un-前缀高频形容词全接触 ①unlike 不像的 ③unacceptable 不能接受的 ⑤uncertain 不确定的 ⑦uncomfortable 不舒服的 ⑨unlucky 不幸的 ⑪unhappy 不高兴的
Ⅱ.联想归纳
含 out 的高频短语集锦
①break out 爆发
②burst out 迸发
③carry out 执行
④come out 出版；出来
⑤figure out 算出；弄明白
⑥give out 分发；发布；用完；耗尽
⑦keep out 使……不进入 ⑧make out 理解；看清楚 ⑨pick out 精心挑选；辨别出 ⑩try out 试用；试验 ⑪stand out 突出 ⑫turn out 结果是；生产
高中英语 Unit 4 Astronomy the science of the strars学案 新人教版必修3
第 1 页 共 1 页 高中英语 Unit 4 Astronomy the science of the strars学案 新人教版必修3
Astronomy the science of the strars学案 新人教版必修3教学内容教学设计Learning aims: Let students be familiar with the new words and phrasesLearning key points: the usage of key words and phrasesLearning difficult points: the usage of key words and phrases 【学案使用说明】 提前认真预习单词的前提下完成 【课前预习】 检查学生单词读音，纠错。 【自主 合作 探究】 1、unlike prep、不同;不像 adj、不同的,相异的区别unlike/dislike①They are so ______that nobody believes they are sisters、②I am shy and I ______ being talked about③____her younger brother, she studies very hard 、④(xx东营高一检测)The festival has been a great success,______last year when it rained nonstop、 A、like B、unlike 第 1 页 共 1 页
C、alike D、dislike2 、 fundamental adj、基本的；基础的 n、基础,基本规律be fundamental to--对---必不可少的The relationship with the students is fundamental to my work as a teacher 、3、harmful adj、有害的 反义词______be harmful to= __________对……有害① 阳光会对你的皮肤有害。The sun can ___ ________ __ your skin②Smoking is harmful to your lungs、=Smoking ________________吸烟对你的肺有害 4、exist vi、存在;生存①exist in 存在于……之中②exist on靠……为生/生存,与live on意思相近③There exists、、、表示“存在,有”,是there be句型的变式。用于该结构的动词还有live/stand/lie等。练习①他们靠这点收入生存是不可能的。It was impossible for them to ____ ___such a small income、②众所周知,地球存在于宇宙之中。As is well known to us, the earth _____ __ the universe、③世界是什么时候产生的?When did the world _____ ____ ________?④We can’t exist without food or water、译:___________________________⑤Many experts believe that there may_____life on other planets、 A、have B、exist C、are 第 1 页 共 1 页
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Unit 4 Astronomy：the science of the stars 1．____________ n. 天文学→____________ n．宇航员→____________ n．天文学家 2．____________ n. 系统；体系；制度→____________ adj.成体系的；有条理的 3．____________ n. 宗教；宗教信仰 →____________ adj.宗教的；虔诚的 4．____________ n. 学说；理论→____________ adj.理论的；理论上的 5．____________ adj.猛烈的；激烈的；强暴的→____________ adv.强烈地；猛烈地；激烈地→____________ n．暴力；暴力行为
6．____________adj. 有害的→____________ n．伤害；损害；危害→____________ vt. 伤害；损害；危害→____________ adj.无害的
7．____________ vi. 存在；生存→____________ n．存在；生存；生活(方式) 8．____________ n．谜；难题→____________ vt. & vi. (使)迷惑；(使)为难 9．____________ n．生物学→____________ n. 生物学家 10．____________ n．物理学家→____________ n．物理学→ ____________ adj.物理的；物理学的
11．____________ vi. & vt. 碰撞；坠落 12．____________ n. 拉力；牵引力→____________ vt.拉；拖；牵引 13．____________ vi. & vt. (使)浮动；(使)漂浮→____________ n．漂浮物
1．Do you think our education ____________(制度) needs improving? 2．The discussion has become more and more ____________ (激烈的)． 3．Without practice there would be no ____________(理论)． 4．They can't ____________(生存) on the money he's making. 5．The smell of new bread ____________(漂浮) up from the kitchen. 6．Eating too many desserts can be ____________ (有害的) to one's teeth. 7．“What happened？” John's mother asked him in a ____________ (温和的) voice. 8．His face wore a ____________ (困惑的，迷惑的)expression. 9．Most of the evidence had been destroyed.____________ (因此，于是) it was almost impossible to prove him guilty. 10．The plane ____________ (坠毁) into the mountain.
1．solar ____________ 太阳系 2．____________ time 及时；终于 3．____________ eggs 下蛋 4．give birth ____________ 产生；分娩 5．____________ one's turn 轮到某人；接着 6．____________ dioxide 二氧化碳 7．prevent ...______阻止；制止 8．block ____________挡住(光线) 9．cheer ____________感到高兴；感到振奋 10．____________ that 既然 11．break____________ 突发；爆发 12．watch ____________密切注视；当心；提防
1．They were in time to produce carbon, nitrogen, water vapour and other gases, which ____________ ____________ ____________ the earth's atmosphere. 它们最终产生了碳、氮气、水蒸气和其他多种气体，从而形成了地球的大气层。
句型提炼：be to do sth.“计划干某事，注定干某事”。 2．This produced a chain reaction, which ____________ ____________ ____________ for life to develop. 这就产生了一系列的反应，使得生命就有可能发展了。 句型提炼：“make it＋形容词＋for sb.＋to do sth.”结构中，it 是形式宾语，代替不定式结构。 3．We watched, amazed ____________ fire broke out on the outside of the spaceship ____________ the earth's gravity increased. 我们惊奇地看着，随着地球引力的增加，宇宙飞船的外层燃烧起火。 句型提炼：第一个as引导时间状语从句，意为“当……时候”；第二个as也引导时间状语从句，意为“随着……”。
1．as conj.随着；当……的时候 (1)prep.作为；当作 (2)adv.同样地 (3)conj.引导时间状语从句，意为“在……期间，当……时候”。 (4)conj.引导原因状语从句，意为“由于，因为”。 (5)conj.引导让步状语从句，意为“尽管，即使，虽然”。 (6)conj.引导方式状语从句，意为“以……方式”。 (7)关系代词，引导定语从句。 ①As he grew older he lost interest in everything except gardening. 随着年纪越来越大，他除了喜欢园艺以外，对一切都失去了兴趣。
②Treat me as a friend.要把我当作朋友。 ③She is as tall as her mother.她和她母亲一样高。 ④As I am going to repair my bike, I need a hammer. 因为我要修理我的自行车，我需要一把锤子。
⑤Good as it sounds，the idea is not practical. 这个主意听起来很好，但不实用。 ⑥Cyprus, as you know, is an island in the Mediterranean. 如你们所知，塞浦路斯是地中海的岛国。
特别提醒表示“随着……”时，也可以用with复合结构表示。 反馈1.1 The new storybook is written in ______ easy English ______ beginners can understand. A．such; as B．so; that C．such; that D．too; that 反馈1.2 China is to have more giant pandas, ______ 13 female pandas are expecting babies this year. A．so B．if C．though D．as 反馈1.3 ______ children get older, they become more and more interested in the things around them. A．While B．When C．As D．With 反馈1.4 I couldn't do my homework with all that noise ______. A．going on B．goes on C．went on D．to go on 2．break out vi.(战争、火灾等)突然发生；爆发 Fire broke out during the night.夜间突然发生了火灾。 用法拓展break away from脱离；摆脱；放弃；打破 break down毁掉；把……分解；(身体)跨下来；抛锚 break in非法闯入；打断；插嘴 break into破门而入；非法闯入 break off折断；中断；突然停止 break through突围；突破 break up分解；打碎；驱散；结束 take/have a break休息一下 ①You must break away from such bad habits. 你必须摆脱这样的坏习惯。 ②My car broke down on the way. 我的车子在路上坏了。 ③Don't break in when he is telling the story. 他讲故事的时候别打断他。 ④We had to break into the house as we had lost the key. 因为我们弄丢了钥匙，所以不得不破门而入。 ⑤Scientists are beginning to break through in the fight against cancer. 科学家们在对抗癌症的研究中开始有所突破。 ⑥The party broke up and the neighbours hurried home. 宴会就此结束，邻居们匆匆地赶回家去。 反馈2.1 Many old people were still sleeping when the fire ______ in a high-rise building in Shanghai, and then it spread quickly. A．broke out B．put out C．came out D．got out
反馈2.2 (2013·四川泸州第一次诊断) David will______sooner or later if he carries on working like this. A．give up B．hold on C．take down D．break down 反馈2.3 Scientists working on DNA have broken ______ in a number of directions. A．through B．out C．off D．away 反馈2.4 Shall we ______ our discussion and have some tea or coffee, please? A．break off B．break down C．break into D．break out 3．in one's turn 轮到某人；接着 I told Frank and he in his turn told Peter. 我告诉了弗兰克，他又告诉了彼得。 用法拓展in turn 轮流地；挨个；依次；反过来 out of turn 不依顺序地 take turns 依次；轮班；轮流 by turns 轮流地；交替地 ①They sang on the stage in turn.他们依次在台上唱歌。 ②The male and female birds take turns in sitting on the eggs. 雄鸟和雌鸟轮流孵蛋。