2019-2020学年高中英语人教版必修三 Unit4单元教案
2019-2020学年高中英语人教版必修三Unit4 Astronomy: the science of star vocabulary1.______________ n．天文学______________ n．天文学家2.______________ n．学说；理论_____________ adj.理论上的3.______________ n．球体；地球仪；地球______________adj.全球性的；全世界的4.______________ adj.猛烈的；激烈的；强暴的______________ n．暴力______________ adv.猛烈地5.______________ n．大气层；气氛6.______________ prep.不同；不像______________ vt.不喜欢7. ______________ n.出席；到场；存在______________adj. & n. & v．在场的；目前，现在；出席；颁发，授予8. ______________ adj.有害的；伤害的______________ n．危害，害处______________adj.无害的___________________________________ phrase.对......是有害的9. ______________ vi.存在，生存_____________ n．存在，生存10．______________ n．谜；难题vt. & vi.(使)迷惑；(使)为难______________ adj.迷惑的______________ adj.令人迷惑的phrase1．______________________及时；终于2．______________________ 下蛋3．______________________ 产生；分娩4．______________________ 轮到某人；接着5．______________________ 阻止；制止6．______________________ 挡住(光线)7．______________________ 感到高兴；感到振奋8．______________________ 既然9．______________________ 突发；爆发10．______________________ 密切注视；当心；提防warming up1.What’s the meaning of the word “Astronomy”?A. the science of stars.B. the scientific study of stars and planets.C. the scientific study of the stars, planets, and other objects in the universe.2.What words will you think of when we talk about this topic? planet /atmosphere / galaxy/ solar system...Venus Mercury Earth Mars Neptune Saturn Uranus JupiterReadingI. Answer these questions1.Why the earth was different after the water appeared?2.Why did plants grow before animals?3.Why did animals first appear in the sea not on the land?4.What is the main difference between reptiles and mammals? Can you give some examples of mammals?II. Fill in the formsAfter the “Big Ban”, the earth was just a cloud of __________. It ________ loudly with fire and rock, which were________ ________ to produce the water vapour,other gases and so on. As the earth ________ ________, water began to appear on its ________, which was to be _____________ to the ___________ of life.Then small plants grew. They ___________ and filled the oceans and seaswith oxygen. Many millions of years later, the first green plants began to ________ on land. When the plants grew into forests, ________ appeared for the first time.They produced young generally by ________ eggs.D inosaurs’ disappear ance made possible the rise of __________ on the earth. Now small clever animals with ________ and ________ appeared and __________ all over the world. As time went by, they are putting too much carbon dioxide into the _______________, which________ heat ________ escaping from the earth into space. Whether life will continue on earth for millions of years to come will ________ ________ whether this problem can be ________. Language points1.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. (line.6) what引导的是________从句，并在从句中充当become的_______（句子成分）。
When引导的是_______从句。
句中还有not...until...句型，not体现在________中。
直到我看了报纸，才相信他说的是真的。
________________________________________________________更为重要的是，水开始在地球表面出现。
________________________________________________________ 2....it was not clear whether the shape would last or not.翻译___________________________________________________ 句中it做___________, whether引导的是_______________.飞机上的人是否活着仍然是未知的。
________________________________________________________很明显，水对生命的发展是基础的。
________________________________________________________ 3.They were in time to produce carbon,…in time _______________________in time + _________ / _________ 翻译为__________________ You will succeed in time as long as you don’t give up.Will I be in time for the train?The doctor came in time to save his life.与time相关的短语:on time _______________ in no time _________________ at a time _____________ at one time _________________ for the first time _____________ from time to time ____________ 4. 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.翻译：___________________________________________________ what引导_________从句。
并在从句中做believe的__________（句子成分）；that 在句中引导_________从句，不能省略。
yThe boy who _______ under the tree _______ to me that the cock ________ an egg yesterday.6.exist vi. 存在；生存；维持生活(1)There always ________ a force of attraction between two bodies.(2)They __________ _________ very little food.(3)When did the world come into ___________？Using language1. It will not be as strong a pull as the earth’s.翻译：___________________________________________________ 练习（1）Our neighbour has ____ ours.A. as a big house asB. as big a house asC.the same big house asD. a house the same big as （2）she is ______ clever a girl that she can understand it. （3）It is ________ difficult a problem for me to work out. （4）______ nice a day it is! 多好的天啊！2.But when I tried to step forward, I found I was carried twice as far as on the earth and fell over.根据例句归纳倍数表示法(1)____________________________________________________ This tree is three times as tall as that one.(2)_____________________________________________________ The Yangtze River is almost twice longer than the Pearl River.(3)_____________________________________________________The new square is four times the size of the old one. (4)_____________________________________________________ The size of the new square is four times that of the old one.4. now that既然，由于(1)I do it because I like it.(2)Since you don't trust him,you should not employ him.(3)As it i s raining, you’d better take a taxi.(4)He could not have seen me, for I came here for the first time.表示原因的短语有哪些？翻译句子：1.污染问题是一个值得关注的问题。
2019-2020学年高中英语人教版必修三Unit4 Period2 Reading学案
7. reptiles (on land) 8.dinosaurs(on land) 9.mammals(on land)
T: That's all for this passage. Now let's deal with some language points.
Passage Analyzing
重难点
1 Enable the Ss to catch the main idea of the text.
2 Learn some detailed information in the text;
教学过程
课题导 入
Ask Ss to read the whole passage carefully and underline the important words and sentences
4. What problem is caused by human beings?
They cause global warming.
Step3. Analyze how life began on earth.
节 T: No.3, finish the following form.
1 small plants in
Para 2: The formation of the earth
学 Para.3: The importance of water for life Para.4: The development of plants and animals on the earth
Para.5: The arrival of humans and their impact on the earth
2019-2020学年高中英语人教版必修三Unit4单元导学案
2019-2020学年高中英语人教版必修三Unit4单元导学案2019-2020学年高中英语人教版必修三Unit4 Astronomy:the science of the stars(warming up and reading) Goals1.to enable the students to talk about Astronomy and origin of life on earth.2.to improve the students’ reading ablities of scanning and skimming-Lead-in questions to the topic of this unit1. In our solar system eight planets circle around the sun What are their names?2.Do you know any questions that astronomers are interested in?Pre-reading1.The origin of life on earth is a question that interests astronomers. What do you know about it?2.There are several ideas about the origin of life on earth and the idea in our passage is only one of them .ReadingI. Read the passage carefully and match the main idea with each paragraph. Para. 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 their impact on the earth.Para. 5 The development of plants and animals on the earth.1.What are the three fundamental elements forus human beings to survive on the earth?Why was the earth different from other planets?3.Why do scientists think there has never been life on the moon?4.Why did green plants help life to develop?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 you know why they removed it?6.What problem is caused by human beings?Post-readingWork in groups and discuss what impact human beings have on earth.,such as global warming.and get them to talk about the causes of global warming.Unit4 language pointsGoals1.to master the following words and expressions:in time;unlike;multiply;inturn;prevent…from;exist;puzzle;atmosphere; now that.2.to enable the students to analyse and understand complex sentences especiallynoun clauses观察in time的用法并总结They were in time to produce the water..( ).I’ll see him in time.( )She will be back in time to prepare dinner.( )与time相关的短语:in no time( ) at times( ) at a time ( ) once upon a time ( )on time ( ) at one time ( ) for the time being from time to time ( )at no time ( )阅读下面句子, 注意prevent ... from的意思和用法。
2019-2020学年高中英语人教版必修三 Unit4写作课教案
2019-2020学年高中英语人教版必修三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explore, characteristicsb重点句子Write a short article explaining three problems you might meet on the moon..You may ask the following questions as well as work out some more.2 Ability goals 能力目标Enable the Ss to write an article about your idea or hopes for traveling in space.3 Learning ability goals 学能目标Help the Ss to learn how to write a passage.Teaching important& difficult points教学重点和教学难点Teach the Ss how to write an article about a space travel.Teaching methods教学方法Task-based learningDiscussion.Teaching aids教具准备a projector, a computerTeaching procedures & ways教学过程与方式Step I WritingThe purpose of this writing is for students to think about what kind of equipment they would need to be safe in space. It’s a good opportunity for a discussion about the pains and pleasures that might occur when traveling in space. After the discussion, they can write down the problems and the way to solve them.T: If you are going off on a holiday, what will you take?S1: I will take clothes, shoes, food and many other things.T: But for space travel, you need specialized equipment. What equipment should you take? We have discussed them in last lesson. Who can answer this question?S2: oxygen can, spacesuit, gravity boots, water system, special food., special ropes, space buggy, sunglasses and space camera.T: We take so many things with us in order to avoid many dangers. What are the dangers? If you do n’t know many enough, let’s watch the film “Apollo”. It’s a film about an American space mission that went wrong. After that, you should write down the dangers and the way to solve them.(Watch the film.)Sample article:If I visited the moon, I might have three problems: how to breathe, how to eat and how to move around.I would have to carry all my air with me if I went to the moon. This is because the moon has no air of its own. So I would need oxygen tanks placed on my back so I could breathe all the time.I would have to take all my food with me if I went to the moon. In the spaceship, there is no gravity so the food would float around. So, I would make sure that it is specially made as space food and then I would be able to eat it easily.I would find it difficult to move around on the moon as I would weigh one-sixth what I weigh on the earth. This means I would bounce like a balloon if I try to walk. I would have to learn to walk differently so that I don’t fall over.If I follow this advice, I think I will have a good holiday on the moon.Step II Writing TaskThe purpose of this writing task is for the students to use the information they have gathered on astronomy and their questions to each other to write an interesting and lively newspaper article. T: Have you ever remembered Oct.16th, 2003?S: Yes, of course..T: What happened on that day?S: China’s first manned spaceship landed safely that day.T: It’s a great moment for China and the whole world. How many preparations have they made for this space travel?S: Not exactly. But they must have made full preparations for this manned space flight.T: Do you admire Yang Liwei?S: He is our hero.T: Do you want to be a great man like him?S: Of course, I’m dreaming of that.T: You’ll get the chance if you work hard.. China has other new plans. The scientists plan to put a lab into space manned by scientists for short periods. They aim to visit the moon to look for valuable resources there as well as to study its environment and geological structures. Do you want to be that lucky scientist? Suppose you are the scientist who visits the moon in the future, please tell us your plan. For example, you can think about these questions and write down your plan.1.What preparations should you make?2.What will you see during your space travel?3.What will you do on the moon?Show sample article:Going into spaceCarry out research on the moonI’ll visit moon soon. As a scientist, I have always wanted to visit it by myself. But it’s not an easy thing. So I should make many preparations. First I’ll take enough exercise in order to be strong. Then I’ll take enough and necessary equipment with me. I will make notes of what I’ll see on the moon because we’ll put a lab on it. Through experiments in the lab, we’ll collect va luable resources and study its environment and geological structures.We’ll also want to find out if it’s a good place for humans to live in in the future. I believe I’ll get what I want to get from the moon. (Teacher can supply other information for students. Show the following on the screen:)China’s manned space programme has four goals:1.to develop basic manned space flight technology;2. to observe the earth and undertake experiments in space;3. to help design space vehicles;4. to accumulate experience for a large space stationT: Suppose you are part of this future programme, talk about what you’ll do, what you’ll see and what you’ll get.Step III ProjectAsk students to collect as much information as they can about the nine planets in our solar system. Choose one planet that they would like to explore. Then write a research report. The report should include the four requirements on Page68.1.One possible project:Topic: MarsThe planet I have chosen is Mars because it’s the closest to the earth and it’ll be one of the first planets for us to explore. It’s named after the Roman god of war because from the earth it looks red in the sky.InformationPosition: 4th planet in our solar systemDistance from our sun: 228 million kmsDiameter: half the size of the EarthMass: one tenth the size of EarthGravity: one third of that of EarthSurface size: same as dry land of EarthLength of day: half an hour longer than Earth dayTime to circle the sun: two Earth yearsSatellites: twoAir: 95% carbon dioxide 2% argon, 3% nitrogen, very little oxygenFindings from space tripsThe most important trips to Mars have been made by the US and USSR. They have both sent many spaceships but no people to visit Mars. They have discovered:---there are two seasons on Mars: a warm, dusty, southern summer and cold, dusty-free northern winter.---no life can live on Mars now, as the air doesn’t have enough oxygen---there are some evidence of early life when there was water on Mars three million years ago---changes in the color of Mars are produced by dust storms on Mars---it has a north and a south pole made of frozen carbon dioxide gasWhat I would like to find out1.whether there is life under the surface of Mars2.whether it would be possible for people to live on Mars3.whether there is oil or jewels or rocks that would be useful for people on Earth2.Another project:Topic: JupiterJupiter is the fifth planet from the Sun and is the largest one in the solar system. If Jupiter were hollow, more than one thousand Earths could fit inside. It also contains more matter than all of the other planets combined. It has a mass of 1.9 x 1027 kg and is 142,800 kilometers (88,736 miles) across the equator. Jupiter possesses 28 known satellites, four of which - Callisto, Europa, Ganymede and Io - were observed by Galileo as long ago as 1610. Another 12 satellites have beenrecently discovered and given provisional designators until they are officially confirmed and named.InformationJupiter StatisticsMass (kg) 1.900e+27Mass (Earth = 1) 3.1794e+02Equatorial radius (km) 71,492Equatorial radius (Earth = 1) 1.1209e+01Mean density (gm/cm^3) 1.33Mean distance from the Sun (km) 778,330,000Mean distance from the Sun (Earth = 1) 5.2028Rotational period (days) 0.41354Orbital period (days) 4332.71Mean orbital velocity (km/sec) 13.07Orbital eccentricity 0.0483Tilt of axis (degrees) 3.13Orbital inclination (degrees) 1.308Equatorial surface gravity (m/sec^2) 22.88Equatorial escape velocity (km/sec) 59.56Visual geometric albedo 0.52Magnitude (Vo) -2.70Mean cloud temperature -121°CAtmospheric pressure (bars) 0.7Atmospheric compositionHydrogen Helium 90% 10%Findings from space trips1.There is a ring system, but it is very faint and is totally invisible from the Earth. (The rings were discovered in 1979 by Voyager 1.)2.The atmosphere is very deep, perhaps comprising the whole planet, and is somewhat like the Sun. It is composed mainly of hydrogen and helium, with small amounts of methane, ammonia, water vapor and other compounds.3. At great depths within Jupiter, the pressure is so great that the hydrogen atoms are broken up and the electrons are freed so that the resulting atoms consist of bare protons. This produces a state in which the hydrogen becomes metallic.4. Colorful latitudinal bands, atmospheric clouds and storms illustrate Jupiter's dynamic weather systems. The cloud patterns change within hours or days. The Great Red Spot is a complex storm moving in a counter-clockwise direction.5. Auroral emissions, similar to Earth's northern lights, were observed in the polar regions of Jupiter.What I would like to find out1.whether there is life under the surface of Jupiter2.whether it would be possible for people to live on Jupiter3.whether there is oil or jewels or rocks that would be useful for people on EarthStep V HomeworkSum up the whole unit.Collect the materials about stars, space travel and different ideas about the beginning of life..。
新人教版必修三Unit 4 Period 4 Reading for Writing教案
After getting the information and the meaning of the new words, answer the questions.
3.His analysis is too _________.
4.If there was no _________, no one would enter the classroom after the break.
5.All of them follow the _________ of the example presented.
All these signs of water are very exciting. Why? Because on Earth, almost everywhere there is water, there is life. Whether the water is boiling hot or frozen, some sort of creature seems to thrive in it. Is it the same on other planets? If water once flowed on Mars, did life once thrive there too? Or, maybe there is still water on Mars, only it has gone underground. Could there be tiny life forms—like bacteria—on Mars even now?
2019-2020学年高中英语人教版必修三Unit4课文阅读导学案
2019-2020学年高中英语人教版必修三Unit 4 Astronomy: the science of the stars课文阅读导学案编写人：审核人：审批人：使用时间：_________2 .Task II采用扫描式阅读（Scanning），培养获取整体信息概的能力。
3. Task III:仔细阅读（Careful Reading），训练细节阅读能力。
4 .Task IV整体回忆文章，迅速得出答案。
【分层目标】C层完成Task I，Task III。
B层完成Task I，Task II，Task III A层完成Task I，Task II，Task IIITask1. Skim the text on Page 25-26 for the first time and then match the main idea with each paragraph.Para.1a．The formation(形成) of the earth.Para.2 b．The importance of water for life.Para.3 c．A widely accepted theory about the formation of the universe.Para.4 d．The arrival of humans and their impact on the earth.Para.5 e．The development of plants and animals on the earth.Task II. Scan the text on Page 25-26 and judge the statements True (T) or False (F).1. Human beings have known the origin of the earth clearly so far. ( ) 2．The appearance of water made it possible for plants and animals to live on the earth. () 3．Plants first appeared on land and then in the water. ()4．Dinosaurs existed on the earth for over 140 thousand years. ()5．It is human beings that are not looking after the earth very well and have caused global warming. ()Task III: Read the text on Page 25-26 carefully and choose the best answer1．Why was the earth different from other planets?A．Because it produced a lot of heat. B．Because the water remained.C．Because the water disappeared. D．Because it was the oldest planet.2．Why was life able to develop on the earth but not on other planets?A．Because the earth had a solid shape.B．Because the earth did not have harmful gases in its atmosphere.C．Because the water stayed on the earth but not on other planets.D．Because the earth was neither too hot nor too cold.3．Why was it necessary for plants to grow before animals?A．Because animals needed plants to protect them from the sun.B．Because plants provided oxygen for animals to breathe.C．Because animals could hide from hunters in the forest.D．Because it was easier for plants to grow.4.What problem is caused by human beings?A They exist everywhere on the earth.B They cause global warming.C They find new methods of growing crops.D They enjoy hunting and fishing.5.Why did the plants grow before animals came?A Animals needed plants to protect them from the sun.B Plants provided oxygen for animals to breathe.C Animals could hide from hunters in forest.D It was easier for plants to grow.6．It can be inferred from the text that .A．after a “Big Bang”，what the dust was to become remained a mysteryB．plants appeared before the animals C．plants multiplied and filled the oceans with oxygenD．plants played an important part in the appearance of the animals7．What is the main idea of the text?A．The formation of the earth. B．The arrival of humans and their impact on the earth. C．The development of plants and animals on the earth.D．The origin of life on the earth.TaskⅣ. Summary :Read the text carefully and fill in the blanks.The earth was just a cloud of energetic dust after the “Big Bang”．Then the dust 1. into a solid globe moving around the sun. The earth 2. loudly with fire and rock，to be 3. to produce many things，which made the earth’s atmosphere. Water stayed on the earth and people think it is important for the beginning of life. It allowed the earth to dissolve 4. gases. Then life began to develop. Plants were the start of changes. They 5. and filled the oceans and seas with oxygen. This encouraged the 6. of early shellfish and fish. Land animals such as insects，reptiles and dinosaurs and so on appeared after the first green plants appeared. Small clever animals 7. all over the earth. But they are not 8. the earth very well. Too much carbon dioxide is put into the atmosphere，which 9. heat from escaping from the earth into space. Whether life will continue 10. whether this problem can be solved.Task Ⅴ: Find out these useful phrases from Warming up, Pre-reading and Reading and translate them into English. (从中找出下列的重点词组,并且翻译成英语).1．______________及时；终于2．______________ 下蛋3．______________ 产生；分娩4．______________ 轮到某人；接着5．______________ 阻止；制止6．______________ 挡住(光线);使不回忆7．____________ 太阳系八大行星8．____________ 四面八方9．____________. 冷却10．____________ 充满着…..11．____________ 也；还有……12．____________ 与…….不同Task4 Task VI.Reread the test, complete and analyze find the following sentences (在文中找出重点句子，完成句子并分析)1. _______________________was uncertain until between 4.5 and 3.8billion years ago when the dust ___________ a solid globe. 随后它会变成什么样没人知道，直到38-45亿年前，这团尘埃才慢慢地形成一个固定的球状物____________________________________________________________________________________________________________________2. The earth became so violent that ____________________the shape would last or not地球变得激烈动荡，不知道这个固体形状是否会继续下去_____________________________________ _______________________________________________________________________________3. _______________________ is that as the earth cooled down,, water began to appear on its surface.更重要的是地球冷却了下来，地球的表面就开始出现了水_______________________________________________________________________________ _______________________________________________________________________________ 4. ________________________is that the continued presence of water allowed the earth to dissolve harmful gases and acids into the oceans and seas. This produced a chain reaction, ______________________________.很多科学家相信，由于地球上长期有水存在，使地球得以把有害气体和酸性物质溶解在海洋里。
2019-2020年人教版高中英语必修三教学案：Unit 4 Section 1(含答案)
If you watch the sky about an hour after the sun goes down, youmay see some “moving stars”. But they're not real stars. Theyare man-made satellites. And the biggest of all is the InternationalSpace Station (ISS国际空间站)．From now until July is the best season to watch the ISS flying overthe earth, and people can see it just with their eyes. The ISS is thebiggest man-made satellite because scientists want to live on it. Theythink that the best way to learn more about space is to live there.When the space station is finished, it will be like a city in space.People will stay and study there with many of the things they haveat home. Laboratories, living rooms and power stations are being built.The ISS is the most ambitious and expensive space programever. Billions of dollars are being spent on it every year. Scientistshope that the ISS will be a stepping-stone for future space exploration.“The ISS will help us better understand the human body, explore spaceand study the earth. It can help us make life on the earth better，”said Kathryn Clark, an ISS scientist.China is not an ISS country, but it has helped with some of the experiments. China sent some rice up to the ISS to find out whatspace would do to it.The ISS is not finished yet. More than 100 parts need to be put on.Scientists hope it will be finished as soon as possible. After it'sfinished, more than 90% of the world's population will be able to seethe Space Station. So keep looking up, and maybe you'll see it get bigger.2019-2020年人教版高中英语必修三教学案：Unit 4 Section 1(含答案)[原文呈现][读文清障]HOW LIFE BEGAN ON THE EARTHNo one knows exactly how the earth began, as it happened so long ago①. However, according to②a widely accepted③theory④，the universe began with⑤ a “Big Bang⑥”that threw matter in all directions⑦. After that, atoms⑧began to form and combine to create stars and other bodies.For several billion⑨years after the “Big Bang”，the earth was still just a cloud of dust⑩. What it was to become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe⑪. The earth became so violent⑫that it was not clear whether the shape would last or not⑬. It exploded loudly with fire and rock. They were in time to⑭produce carbondioxide⑮，nitrogen ⑯，water vapour⑰and other gases, which were to make the earth's atmosphere⑱. What is even more important is that as the earth cooled down⑲，water began to appear on its surface. ①as it happened so long ago是as引导的原因状语从句。
英语 人教必修版 第三册教案 Unit4
二、教学方法建议（一）主题任务（Core task）根据本单元的中心话题，建议设计以下三个任务供教师参考，并根据实际情况运用任务。
任务一：收集植物活动时间：完成热身、听力及口语之后语言知识要求：与本单元有关的词汇语言技能要求：听、说活动形式：1．个人活动：搜索有关植物的知识，记录整理：2．小组活动：四至五人一组，小组同学互相介绍自己搜集的植物，然后推选一至两人到班上展示。
3．班级活动：各组学生代表用表格、图片或课件等形式向同学介绍该植物。
其他同学做记录，尽可能多地了解植物。
任务目的：1．熟悉、认识更多的植物；2．更多地了解植物的特性、象征意义等；3．在实践中运用所学语言及知识，解决生活中的问题。
任务二：小小花卉展(小小生物角)活动时间：贯穿整个单元语言知识要求：与本单元相关的词汇语言技能要求：听、说，读、写活动形式：1．班级活动：本单元一开始，教师布置每个同学(或两人一组)准备一种或一种以上花盆植物，可以是家里现成的，也可以是自己去山上采挖、然后种植于花盆的。
2．个人或两人小组活动：同学分头准备花盆植物，并用英语记录花卉名称、产地、用途、花卉形状、象征涵义等。
3．个人或两人小组活动：记录、观察花卉的生长过程，做观察日记：如土壤要求、气候要求、用水要求、成长变化等。
4．分组活动：6-8人一组，同学之间互相介绍自己所准备的植物，用英语描述、介绍该植物的特性等；然后贴上标签，注明植物名称、标明植物特性，挂上自己做的观察日记。
小组同学互相提出修改意见。
5．班级活动：植物展览，同学互相学习，评出最佳花卉、最佳植物描述、最佳观察日记等。
任务目的：1．培养、激发学生对大自然的热爱；2．尽可能多熟悉、解植物特别是花卉的有关知识；3．培养学生仔细观察、认真记录的习惯，并注意准确记录；4．将所学语言和知识用于实践，学以致用；5．美化、爱护环境。
任务三：生物科学家论坛活动时间：学完“读前”、“阅读”、“读后”、“综合技能”之后语言知识要求：本单元有关词汇语言技能要求：读、写、说、听活动形式：1小组活动：以4-6人为一小组，讨论确定将要介绍的生物科学家。
必修三Unit 4(4) 教案 人教版高中英语
2018 年月日第周星期①Do you know about some background knowledge of these three great scientists ?②Can 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.2. 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) Ask Ss to listen to the tape for the third time and finish Ex2 on P30. Then have some of them explain their answers.Step 2. ReadingPurpose : To get Ss to know about human being’s feelings of visiting the moon. 1. Fast readingAsk Ss to look through the text quickly and choose the best answer to the following question.The passage is mainly about ____?A. introduction of the moonB. the gravity that I felt on my way to the moonC. my visit to the moonD. my friend Yanping, an astronomer Suggested Answer: C.2. Intensive readingAsk Ss to read the text carefully and finish the following exercises.(1) According to the text, we know that the force of the gravity would change_____ times.A. 2B. 3C. 4D. 5(2) When did the author feel strongest of the gravity of the earth?A. On the moon.B. On the half way to the moon.C. At the very beginningD. On their leaving from the moon(3) What causes the writer to feel that he becomes weightless on the moon?A. SpaceshipB. GravityC. His friendD. His Good feelings of the moon(4) From the text we can know if a man grows up on the moon, _____.A. he will grow taller than on the earthB. he will grow shorter than on the earthC. he will become fatterD. he will become weightless Suggested Answers: (1) B (2) C (3) B (4) AStep 3. Speaking and writingPurpose: To get Ss to learn how to prepare a list of things used for going to the moon.To practice the writing ability of Ss.1. Divide the whole class into 6 groups. Let Ss discuss with their group members what they might need to go to the moon. Meanwhile, ask one student of each group to write down the important parts of their discussion.2. After the discussion Ss have had some knowledge of the things they would need if they were going to the moon. Get them to describe the three ways in which gravity changed for Li Yanping and how his weight changed..3. Then Ss to write a short passage explaining three problems they might meet on the moon as well as the solutions to these difficulties. Before writing, they can have a discussion.Step 4. Consolidation1. Ask Ss to finish Ex2 and Ex3 on P63～P64 and let them check the answers together.2. Ask Ss to finish the following exercises.(1) Fill in the blanks with proper words according to the given information.①The scientific study of the stars is called a______________.②Eating too much during the Spring Festival can do great h_______ to our health.③The patient’s health is g___________ improving with the help of the doctor.④The mixture of gases that surround the earth is called a_____________.⑤People can find lots of v___________ scenes in some American films.⑥Hearing the exciting story, almost everyone in the room _____________(爆发) with laughter.⑦The forest __________(延伸) as far as the river bank.⑧The wife was much ____________ (失望的) at her husband’s absence.⑨Marx was _________ (强迫) to leave his motherland for political reasons.⑩There is much dust __________ (漂浮) in the air.Suggested Answers: ①astronomy ②harm ③gradually ④atmosphere⑤violent ⑥exploded ⑦spreads ⑧disappointed ⑨forced ⑩floating(2) Finish the following sentences according to the Chinese.①______________________________________ (使我苦恼的) is that I haven't heard from him recently.②Do not read books in the poor light as it is _____________________ (对你的眼睛有害).③_____________________ (随着时间的推移), we are getting better with each other.④_____________________________________________ (我过去在工厂工作了十年) has a great and active effect on my life.⑤Please try to come back early _______________________________. (既然一切都安排好了)Suggested Answers:①What makes me upset / annoyed ②harmful to your eyes ③As time goes by ④That once I worked in a factory for ten years ⑤now that everything has been arranged(3) Choose the best answer to the following sentences.①The Americans are eating _____ vegetables today as they did before.A. more than twiceB. more than twice as manyC. twice over as manyD. over twice as much②If you always work so hard like this, you will ____ sooner or later..A. break upB. break out C break down D. break in③—Will you go out for shopping this Sunday?—Well, ___________.A. I would like to go.B. it all dependsC. I have a lot of work to doD. certainly not④Beyond _____ stars the astronaut saw nothing but _____ space.A. the; /B. /; theC. /; /D. the; the⑤_____ you have got a chance, you might as well make use of it.A. AfterB. AlthoughC. As soon asD. Now thatSuggested Answers: ①B ②C ③B ④A ⑤DStep 5. Homework1. Ask Ss to use the words and phrases learned in this unit to write a short passage about their own opinions on traveling to space.2. Ask Ss to preview the next period.课后反思：。
人教版高中英语必修3 UNIT4 主语从句教案
b. Whether has he passed the exam is still unknown.( F )
Step 3 Ask students to tell conjunctions that are used in subject clause.
6.How Xu Jinglei writes so many attractive storiesis a puzzle.
Ask students to tell the role of the italic words of each sentence.
Rule1：A sentence which is used as a subject is called subject clause.
Rule2:Subject clause should be in statement.主语从句要用陈述句语序
1. a. Where will the meeting be held is not decided. ( F )
b. Where the meeting will be held is not decided. ( T )
2.know what they should pay attention to when speaking and using subject clauses.
3.realize that learning English songs can help them learn English grammar.
2.是否还有幸存者，我们不知道。
Whether there are survivors is still a question.
人教_高一英语必修第三册(2019版)_Unit4_单元活动设计参考
Unit4 单元活动设计参考案例一活动方式：Pair Work（P39）活动内容：Ask students to discuss whether they would like to be an astronaut in the future and give their reasons.学情分析：学生在听力活动中，已经获取了成为一名宇航员需要具备的条件。
本活动让学生在思考自己的情况和想法之后，讨论是否愿意成为一名宇航员，并给出理由。
教学目标：使用恰当的语言表达自己是否愿意成为一名宇航员。
活动过程：1.准备活动。
（1）根据所学内容和自己的实际情况，思考自己是否愿意成为一名宇航员并给出理由。
（2）语言学习。
熟读课本中Part5的例子，为口语活动做好语言铺垫。
A :You know，I think being an astronaut would be cool.B：Do you want to work in space in the future?A：I’m not sure，but I think it might be too difficult for me. There are so many requirements. First of all，you must be intelligent enough to get a related college degree Then you have to…B：So what might be the most difficult part for you？A：I guess it might be the…2.对子活动。
首先，同桌进行对子活动，讨论自己是否愿意成为一名宇航员，并给出理由。
然后，更换搭档进行讨论。
多次操练有助于学生更好地表达自己的想法，提高口语交际能力。
3.活动评价。
教师叫几组学生展示他们的对话活动。
学生完全在自由的状态下交流，体现了课堂口语交际活动的真实性。