2019-2020学年高中英语人教版必修三Unit4语法导学案
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学年人教版英语必修三新素养同步讲义：Unit 4 Astronomy Section Ⅳ Grammar Word版含答案
Section ⅣGrammar名词性从句——主语从句1．(教材P25)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．(教材P25)The earth became so violent that it was not clear whether the shape would last or not. 3．(教材P26)What is even more important is that as the earth cooled down, water began to appear on its surface.4．(教材P26)It was not immediately obvious that water was to be fundamental to the development of life.5．(教材P26)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.6．(教材P26)So whether life will continue on the earth for millions of years to come will depend on whether this problem can be solved.定义在主从复合句中，充当主语的从句叫做主语从句。
◆How the earth came into existence remains a mystery to us.地球是如何形成的对我们来说仍然是一个谜。
人教版高中英语导学案必修三Unit 4 Astronomy(word版,无答案)
连词成篇 Unit 4 AstronomyExplore MKIIMKII, a planet billion s of kilometers away, is the origin of life in many religion s. Physicist s have prove d the theory that its gentle climate and the pull of its gravity are similar to the earth’s. And astronomer s have found that oxygen atom s and carbon dioxide , which are fundamental to life, exist in its atmosphere through satellite s. Cheer ed up by this news, biologist s, in their turn , began to do some research to remove people’s puzzle s —Now that there are some suitable condition s, does life really exist on this globe ? Do they multiply by lay ing eggs or giving birth to babies?Last month, a spaceship was sent there. It’s a pity that this mission fail ed. Unlike the earth, MKII is a much younger planet . Thus , masses of harmful acid clouds float everywhere caus ing violent chain reaction s to break out . These clouds not only blocked out the pilot s’ sight but also damage d the engine system . Luckily, the pilot s watched out carefully and prevent ed the spaceship from crash ing in time. 词汇详解 1.explore[ ]vt2.planet[ ]n.n.探索，探险 3.billion[ ]n.& num. 4.origin[ ]n.adj.最初的，原创的 5.religion[ ]n. 6.physicist[ ]n. adj.宗教的n.物理 physical adj. 7.prove[ ]vt. link.v. 8.theory[ ]n.n.证据，证明 9.gentle[ ]adj. n.绅士10. pull[ ]vt. n. 11.climate[ ]n. 12. gravity[ ]n. 13. .similar[ ]adj. be similar 与……相似 14. astronomer[ ]n. 15.oxygen[ ]n. 16.atom[ ]n. 17.carbon[ ]n.n.天文学 18. dioxide[ ]n.carbon dioxide 19. .fundamental[ ]adj.20. exist[ ]vi.There exists 21. atmosphere[ ]n. 22.satellite[ ]n. 23.cheer up 24. biologist[ ]n.n.生物学 25. in one’s turn by turns take turns to do sth. in turn take one’s turn It’s one’s turn to do sth. 26. .research[ ]n.& vi. do some research do research into research into 27.remove[ ]vt. 28.puzzle[ ]n. vt. be puzzled by/about 29.now thate.g.Now that you remind me of this matter, I have a vague(模糊的) impression of it.30.suitable[ ]adj.31. condition[ ]n. under this conditionunder no conditionon condition that32. globe[ ]n.adj.全球的33. multiply[ ]vt. vi. multiply A by By[ ]vt. lie vi. (lay lain lying) lie vi. (lied lied lying) lay vi. (laid laid laying)lay off lay outlay down lay aside35.give birth to 36.spaceship[]n.36.send[ ]vt. (sent, sent)send up send for37.pity[ ]n.& vt. have pity for It’s a pity that... 38.mission[ ]n. 39.thus[ ]adv.& conj. 40.mass[ ]n. a mass of masses of41.harmful[ ]adj.vt.伤害 n.害处 be harmful to 42.acid[ ]n.43.float[ ]vi.do harm to44. cause[ ]vt. n.45. violent[ ]adj. 46. chain[]n. 47.reaction[]n. chain reactionn.暴力vi.反应 react to48. br eak out break into break off break through49. block out 50.pilot[ ]n.break inbreak upbreak downbeak away from51. damage[ ]n.& vt. do damage to 52. .system[ ]n. 53. .watch out watch over watch out for on watch 54. prevent[ ]vt. prevent sb. (from) doing sth. stop sb. (from) doing sth. keep sb. from doing sth. 55. crash[ ]vi.& n. crash inton.防止，预防56.in timeat no timeat a time on timeat any timeat one timein no timeall the timeat the same timeahead of time from time to time句型透视表示比较的句型：1.A is . . .times 比较级than B.A is . . .times as 原级as B.A is . . .times the size/length/width/height/weight/speed/...of B.The area of China is twice larger than that of India.The area of China is three times as large as that of India.The area of China is three times the size of India.①This river is three times as wide as that one. (句型转换)=This river is three times that one.②The Yangtze River is almost twice the Pearl River.③The price of the meat is twice last year.2.A is to B what C is to D.Air is to animals what water is to fish.An engine is to a machine heart is to human.经典谚语1.There are spots in the sun．2.Heaven never helps the man who will not act．课文重现How Life Began on the EarthAfter the “Big Bang”, the earth was just a cloud of dust. It exploded loudly with fire and rock, were in time to produce the water vapor, carbon and other gases. Many millions of years , the first small plants began to appear the surface of the water. They multiplied and filled the oceans and seas oxygen. Next, green plants began to grow on land. When the plants (grow) into forests, reptiles appeared for the first time. They produced young generally by eggs.When dinosaurs disappeared, mammals became more important. Now small clever animals with hands and feet appeared and (spread) all over the earth. As time (go) by they covered the earth and they are putting too much carbon dioxide into the atmosphere, which prevent heat (escape) from the earth into space.life will continue on the earth for millions of years to come will depend on whether this problem can be solved.习作纠错What’s on Mars?Is there life on Mars？We don’t know. Can we land in Mars？It all depend on the develop of science andtechnology. Man known a little about Mars. There have almost no oxygen on Mars. It may be about 50 degrees above zero at noon and 100 degrees below zero at night, what prevents us from live there. Now that Mars is quite different with our earth, if we are to going to Mars one day, we would have to take along our self oxygen, food, clothing and shelter.知识巩固I.选用框中词汇的适当形式完成句子watch out, system, pull, atmosphere, puzzle(1)A number of gases form the .(2)W hat me most is why they don’t show up.(3))He spent the whole afternoon weeds in the garden.(4)When you are crossing the street, please for the cars.(5)What are the differences between the American and British of the government?II. 用所给单词的适当形式填空1.They were (prevent) from carrying weapons.2.He was greatly (cheer)by the news.3.Everyone was a bit (puzzle) by her sudden departure.4.I doubt the (exist) of aliens.5.Many people are aware of the (harm) effects of smoking.6.The bird (lay) its eggs in other birds’ nests last year.7.It is the most (violence) film that I have ever seen.8.There were many fish (float) in the river because of the serious pollution.9.He contrasted the two different economic (system) in his speech.10.There were several (theory) about the way in which the fire started.III. 完成句子1.The puzzled look on his face suggested that .他脸上迷惑的表情表明他在苦苦思索这个让人困惑的问题。
2019-2020学年高中英语人教版必修三Unit3-4单元导学案
2019-2020学年高中英语人教版必修三Unit3 学案一预习案：1．n．小说；长篇故事adj. 新奇的；异常的2．n. 奇遇；冒险3．v i. 漫游；漫步；漂泊4．v i. 凝视；盯着看5．n. 过错；缺点；故障6．v t. 发现；认出n. 斑点；污点；地点7．v t.& v i. 寻找；探索；寻求8．n. 数量9．n. 礼貌；举止；方式10．v i. 尖声叫n. 尖叫声；喊叫声11．v i.& n. 鞠躬；弯腰12．n．(戏剧)一场；现场；场面；景色→n．风景；景色(总称)13．v t.& v i.许可；允许；准许n．通行证；许可证；执照→n．许可；批准14．v i.& v t.认为；说明；总计有15．n．耐性；忍耐→adj.有耐心的n．病人→ad v.耐心地16．adj.难以置信的→v．相信；信任→n．信念；信仰Ⅱ.短语互译1.抚养；培养；教育；提出2．前进；(用于祈使句)可以；往下说4．导致；做出解释5．与此相反；正相反6．by accident7．take a chance8．in rags9．as for10．to be honest探究案用适当形式填空：1．Although the was out of ,_the nurse was still with her work and did it .(patience)2．Although I have much in him, I don't b this story. He is always telling us things.(unbelievable)3．Even though they have gained to attend the meeting, they are not to take pictures.(permit)篇章填空：passageauthornovelwanderingaccountedmannersAccording to the we can infer that the a_________ of the liked for adventures and also liked finding faults. That indeed a for his strange and impatience.反思：必修3Unit 3The Million Pound Bank Note 学案二预习案●重点单词1．n．奇遇；冒险→n．冒险家→adventurous adj.喜欢冒险的2．n．(戏剧)一场；现场；场面；景色3．vi.漫游；漫步；漂泊4．n．人行道5．vt. & vi.许可；允许；准许n.通行证；许可证；执照→n．许可；准许6．vt.发现；认出n.斑点；污点；地点7．n．船费(包括食宿)；通道；(一)段8．vi. & vt. 认为；说明；总计有n．说明；理由；计算；账目9．vt. & vi.寻找；探索；寻求→(过去式/过去分词)10．n．耐性；忍耐→adj. & n．有耐心的；病人●重点短语教育；提出1．bring 抚养；培养；2．go 前进；(用于祈使句)可以；往下说3．accident/chance 偶然；无意中；不小心4．stare 盯着看；凝视5．account 导致；作出解释6．the contrary 与此相反；正相反7． a chance 冒险8．rags 衣衫褴褛9．as 关于；至于10．to be 说实话11．the bottom of one’s heart 从心底12．take one’s 点菜探究案单词拼写1．You must get a ________ (许可证) if you want to keep a gun.2．He ________ (认出) his friend in the crowd.3．When did you make your first ________ (露面) on the stage?4．We listened to her story in an interesting ________ (方式)．5．After three hours of waiting for the train，our ________ (耐心) finally went to end.6．Don't be too ________ (粗鲁的) to your friends.You should be friendly to each other.7．The fans ________ (尖叫) with excitement when they saw the star.8．All the children listened to his ________ (冒险) with eager attention.9．It was really ________ (难以置信的) that he fell off the truck without being hurt.10．He opened the ________ (信封) and took out the letter from my parents.必修3Unit 3The Million Pound Bank Note 学案三预习案：1．n．反面；对立面adj.相反的；相违的→contrarily adv.相反地2．n．信封3．vt.相信；信任→adj.可信任的→unbelievable adj.难以置信的4．n．数量5．n．礼貌；举止；方式6．adv.真正地；确实；实在7．n．船费(包括食宿)；通道；(一)段8．vi. & vt. 认为；说明；总计有n．说明；理由；计算；账目9．vt. & vi.寻找；探索；寻求→(过去式/过去分词)10．n．耐性；忍耐→adj. & n．有耐心探究案：meeting?—He quite agrees with you. me, I am not so satisfied with it.2．—May I open the window to let in some fresh air?—,_please.3．The job helped him make money.4．Mark Twain was_in Missouri in the middle part of the United States.5．When he grew up, he to work as a pilot on a river boat.6．After his father, he decided to become a writer.7．Many of his novels have been translated into many languages, which the reason why he and his works are deeply loved by readers throughout the world.8．It wasn't a good thing;,_it was a huge mistake.完成句子1．Though he was told it was hard to find a job there，he still decided to __________ __________ __________尽管有人告诉他在那儿找工作很难，但他还是决定冒一下险。
2019-2020学年高中英语人教版必修三Unit4 Period2 导学案
2019-2020学年高中英语人教版必修三Unit4 Period2编写：学习目标：1.熟记和使用本节词组或句型 2. 拓展所列相关短语自主合作探究：1．The earth became so_violent_that it was not clear whether the shape would last or not.(P25) 地球(开始)变得激烈动荡，不知道这个固体形状是否会继续存在下去。
句子中的that引导的是结果状语从句，和so构成固定搭配：so...that...。
There is so little water in the bottle that the crow can't drink it.瓶里的水太少了以至于乌鸦喝不到。
It's such bad weather that we can't go out. 天气太糟了，我们不能出去。
回顾“如此……以至于……”的句型结构：so＋___________________________such＋______________________________①She is so beautiful a girl that all the boys of our class like her.＝She is so ___ that all the boys of our class like her.②她是一个如此好心的女孩，以至于她会帮助你。
She is such __ ____ _ that she can help you.2．in time及时，终于They were in time to produce carbon，nitrogen，water vapour and other gases，which were to make the earth's atmosphere.(P25)最终它们产生了碳、氮气、水蒸气和其他气体，从而形成了地球的大气层。
2019-2020学年高中英语人教版必修三unit4词汇导学案
2019-2020学年高中英语人教版必修三【学习目标】：Learn about the important words and expressions.【教学重点】：Grasp important words in this unit and learn to use them【预习案】1.system n. 系统；体系；制度adj. systematic 有系统的；有条理adv. systematically 有系统地；有条理地They are designing a road system. 他们在设计道路系统。
【常用短语】：solar system 太阳系immune system 免疫系统Global Positioning System(GPS) 全球定位系统operating system（OS）操作系统economic system 经济制度2.religion n. 宗教（可数）；宗教信仰（不可数）adj. religious 宗教的There are many religions in the world. 世界上有许多的宗教。
Is there always a conflict between science and religion? 科学和宗教信仰之间是否永远存在着冲突？3.begin with 以…开始；由…作为开头；首先Her illness began with a high fever. 她的病开始时是发高烧。
【拓展】：to begin with/to start with 首先；开始（常做插入语）To begin with/to start with, I couldn’t understand a single word. 起初，我一句也没弄明白。
4.theory n. 学说（可数不可数都可）；理论/原理（不可数）In theory, I agree with you, but I feel that your ideas would not work in practice.理论上，我同意你的意见，但实际上恐怕行不通。
2019-2020年高中英语人教版必修三Unit4知识点导学案
2019-2020学年高中英语人教版必修三Unit 4 Astronomy: the science of the stars知识点导学案编写人：审核人：审批人：使用时间：_________【学习目标】1、记住20个重点单词、4个短语的用法，会用3个句型造句。
2、熟练运用20个单词、4个短语的用法，会用3个句型3、通过自主学习和合作探究，学会归纳总结的方法。
4、激情投入，高效参与课堂，体验用英语表达情感的快乐。
即学即练熟能生巧第一节：单项选择1. It has been a long established __________that the Spring Festival is a time for family reunion in China. A．tradition B．history C．intelligence D．system2. The meeting went on in such a friendly ____ that everything was settled ahead of schedule. A．scenery B．religion C．curiosity D．atmosphere3. Different from popular _________, most good leaders are made, not born.A．belief B．agreement C．religion D．Decision4. The new method he suggested sounded good in _______,but is not practical in use. A．opinion B．policy C．theory D．principle5. Nothing on __________can separate Taiwan from our motherland.A．earth B．world C．land D．globe6. It is reported that the ____________ winds last night buried the whole village in sand. A．gentle B．distant C．violent D．slight7. You should practice reading as much as you can, since it is a(n) ______ skill, andit must be taken seriously.A．fundamental B．genuine C．unbelievable D．violent8. ____________ his twin brother, he _____ physical exercise.A．Dislike, unlikes B．Unlike, dislikes C．Unlike , unlikes D．Dislike, dislikes9. A good diet and some moderate exercise are ____ to good health.A．adventurous B．approximate C．fundamental D．balanced10. Playing too many computer games is ______ to school children.A．content B．harmful C．violent D．religious11. No government so far has been able to the number of jobs available with the number of people out of work.A．provide B．weigh C．multiply D．balance12. Parents hope that their children can be educated in a relaxing and active __________ A．atmosphere B．space C．account D．chain13. The clear colorless liquid that falls as rain, fills lake and rivers, and is necessary for life to exist is______. A．oxygen B．petrol C．water D．flood14. The police set out in search of other children who might ______ Guizhou’s dustbins after 5 deaths for warmth.A．live B．rescue C．exist D．survive15. For the sake of her daughter’s health, she decided to move to a warm ______.A．weather B．temperature C．season D．climate16. From a _____ look in his eyes, I bet he didn't get the hang of the meaning of the poem. A．frightened B．satisfied C．puzzled D．excited17. The naughty boy _____ to me that the hen _____ there just now had ____ two eggs theday before.A．laid; laid; laid B．laid; lay; lain C．lied; laid; lain D．lied; lying; laid18. We decided to cut down the tree in front of the window because it _____ the sunlight.A. blocks outB. brings outC. breaks outD. gives out19. She started as an office junior, and became the director of the whole company ________. A．in turn B．in surprise C．in return D．in time20．In the street in front of the school, there happened a serious car ________ the other day.A. crashB. breakC. strikeD. conflict第二节：完成句子1．__________________________ most was that they could not find the cause of the disease. (puzzle) 最使医生们迷惑的是他们无法查出病因。
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live well, love lots, and laugh often.1自研课导学1. 背诵记忆情态动词的用法（早自习20分钟）2. 练习情态动词题（晚自习40分钟）【自学指导】In this period students will be first helped by the teacher to discover and learn to use some useful words and expressions, and then to discover and understand the noun clauses(The Subject Clause).【展示课导学】Learning aims ：Understand the Subject Clause and identify “it ” as Subject and the Stress Sentence.Important points and Difficult points :Learn to use the Subject Clause.Learning procedures:一、定义：用作主语的从句叫主语从句，它是名词性从句之一。
引导主语从句的连接词有： 连词that, whether ；连接代词who, what 和which ；连接副词when, where, how 和why.二、引导主语从句的词及其在句中的功能1．连接词that 和whether/if(1)that 引导主语从句，在从句中不充当任何成分，仅起连接作用，但不能省略。
Eg. That the big earthquake had killed many people frightened people all over the world. 大地震使很多人丧生令世界震惊。
(2)whether/if 引导主语从句，在从句中不充当任何成分，起连接作用，但有自己的意义，也不可省略。
Eg. Whether we go by train or by boat makes no difference.随堂笔记我们乘火车还是乘船没差别。
注：whether引导的主语从句，如果用了形式主语it，引导词whether可以换成if。
如果whether从句在句首或后面直接跟有or not 时，不能用if替换。
Whether they will sell the house is not yet decided.＝It is not decided yet whether/if they will sell the house.(2012·山东高考)It doesn’t matter ________ you pay by cash or credit card in this store.A．how B．whetherC．what D．why2. 连接代词有：who, whose, whom, what, which, whichever, whoever, whomever, whatever等。
连接代词引导主语从句，并在从句中作主语、宾语、表语或定语。
Eg. Whatever you do in your spare time should do no harm to others.无论你在业余时间做什么都不应该伤害其他人。
Who will take his place is not important. 谁将代替他并不重要。
(2012·新课标全国卷)It is by no means clear ________ the president can do to end the strike.A．how B．whichC．that D．what3. 连接副词有when, where, how, why等。
连接副词引导主语从句并在从句中作状语。
Eg. Where the English evening will be held has not yet been decided.英语晚会将在哪里举行，还没有决定。
When we will have a meeting is an important question.我们何时举行会议是一个重要的问题。
Why John was late for the class has been unexplained.约翰为什么上课迟到还没有说明。
三、主语从句与形式主语it1．It be＋名词词组＋主语从句常用于这种句型的名词有：a pity, a shame, a fact, an honour, a wonder, no wonder等。
2．It be＋形容词/过去分词＋主语从句It is obvious that the manager of the coffee shop was waiting for Li Fang2live well, love lots, and laugh often.to leave. 很明显咖啡店的经理在等李方离开。
It’s suggested that the old man (should) go to the countryside to have a rest. 建议这位老人到乡村去休息一下。
3．It＋不及物动词(happen, seem, appear, etc.)＋主语从句It happened to me that I had been away when he called.他打电话时，我正好不在家。
4．It＋及物动词＋宾语＋that从句It worried her a bit that her hair was turning grey.她的头发在变白，这让她有点担心。
(2012·江西高考)It suddenly occurred to him ________ he had left his keys in the office.A．whether B．whereC．which D．that(2011·陕西高考)It was never clear________the manhadn’t reported the accident sooner.A．that B．howC．when D．why“日清过关”巩固提升三级达标训练题基础题.用适当的连接词填空1．They lost their way in the forest and ________ made matters worst was ________ night began to fall.2．It is said ________ Peter will have a chance to travel abroad next month.3．________ Yang Liwei ate his food in space is ________ we want to know.4．________ there’ll be any seats left is doubtful.5．________ of you comes in will be given a prize.6．________ he didn’t come yesterday is unknown.7．________ cars will be parked in the future is a question.8．________ will be sent to help them is very important.9．It’s no surprise ________ our team should have won the game. 10．It doesn’t interest me ________ you succeed or not.发展题1. The other day, my brother drove his car down the street at ____I3live well, love lots, and laugh often.thought was a dangerous speed. (2004 上海春38)A. asB. whichC. whatD. That2. _______in the regulations that you should not tell other people the password of your email account.（2005 上海-38）A. What is requiredB. What requiresC. It is requiredD. It requires3. ____ the 2000 Olympic Games will be held in Beijing is not known yet.A. WheneverB. IfC. WhetherD. That4. ________he said at the meeting astonished everybody present.A. WhatB. ThatC.WhichD. Whether5. ________ he has become a rich man is known to all in our town.A. BecauseB. ThatC. /D. What6. It doesn’t matter________you turn right or left at the crossing—both roads lead to the park.A．whether B．howC．if D．when7．________I want to tell you is the deep love and respect I have for my parents.(2013·天津，15)A．That B．WhichC．Whether D．What8．________ has helped to save the drowning girl is worth praising.A．Who B. The oneC．Anyone D. Whoever9．It is obvious to the students ________ they should get well prepared for their future.A．as B．which C．whether D．that 10．________ is a fact that Chinese is being accepted by more and more4live well, love lots, and laugh often.foreigners.A．There B．ThisC．That D．It课后总结_______________________________________________5live well, love lots, and laugh often.。