高中英语人教版Book3 Unit4 词汇运用导学案

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。

Book 3 Unit4 words and expressions 导学案【学习目标】learn the pronunciation and the usage of the new words【重点】 how to use the useful expressions.【难点】 use the useful expressions to make sentences 【Self- study 自主学习】A. 预习课本 P97, B00K3 UNIT4的单词。

B. 根据构词法，写出以下单词。

1. astronomy n. 天文学 ___________________ _ n. 天文学家2. religion n. 宗教,宗教信仰 ______________ ________ adj 宗教的3. globe n. 球体,地球仪,地球 ______________________________________ ______ adj 全球性的,激烈的4. violent adj. 猛烈的,强暴的,猛烈的_ n 暴力,猛烈5. fundamental adj 基本的,基础的 ________ ____________ n. 基础,根本6. lay v 放下,摆设,产（蛋） _____________ __（过去式） _______ （ 过去分词 ）lie v 说谎 _____________ （过去式 ） ____________________ ____ （ 过去分词 ）lie v 躺,平放 ____________________ （过去式） ___________ （ 过去分词 ）7. prevent v 预防,防止 __________________ n. 预防,防止 ________________ adj. 可预防 的8. harmful adj. 有害的 _______________ n&v. 伤害9. exist v. 存在,生存 ____________________ n. 存在,生存 ___________________ adj. 存在的10. puzzle n. 谜,难题 v 使迷惑 ______________ adj. 感到疑惑的 ______________ adj. 令人疑惑的11. biology n. 生物学 _________________ n. 生物学家12. gentle adj. 温和的,文雅的 _______________ adv. 温和地 _________________ n. 绅士 v 13. physicist n. 物理学家 _____________ n. 物理学 _____________ adj. 身体的,物理学的 14. float v. 漂浮 ________________ adj. 浮动的,流动性的 15. exhaust v 用尽，耗尽 _______________ adj. 筋疲力尽的16. weigh v 称重，权衡____________ n. 重量____________________ adj. 无重力的___________________ adv. 失重地【Cooperative study 合作探究】Task1.read the new words and pay attention to the pronunciation.Task2.1. harmful adj. 有害的harmless adj 无害的harm n&v 损害，危害词组：be harmful to 对...... 有害do harm to sb=do sb harm 对某人有害It is obvious that drinking too much is harmful to health. 翻译：It wouldn't do any harm to him to work harder. 翻译This drug is completely harmless to people. 翻译【活学活用】吸烟有害健康。

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。

Unit 4 Astronomy:the science of the stars 一．单词考点Section A Warming-up,Reading&Comprehending1.be to do的用法⑴将要做某事。

表示按计划、安排将要做某事。

eg: The boy is to go to school tomorrow.⑵表示“禁止，命令”eg:You’re not to go out without permission.⑶表示“注定要……”eg:All these things are to be answered for.⑷表示“应该”(=should)eg: What’s to be done？⑸用于if条件句中，表示意愿，相当于“想要、打算”eg:If you are to arrive at the station before 7 o’clock,we must start off right now另：be to have done表示“本打算做（而事实上没有做成）”2.violentadj 强暴的；猛烈的；激烈的；暴力的violently adv.猛烈地；激烈地violencen[U]暴行，暴力行为常用于强调毁灭性或不可控制的自然力。

修饰人时，强调极度激动的且是恶毒的、有害的行为。

短语：do violence to介...粗暴对待……take by violence强夺eg:Violent crime has decreased in the past 10 years.3.in time的用法⑴终于；迟早；最后eg:You’ll succeed in time as long as you don’t give up.⑵及时，来得及(+for sth./to do sth.)eg:Will you be back in time for dinner?有关time的短语at no time决不at one time曾经，一度，过去有一段时间at a time一次；每次at times(=sometimes)有时at the same time同时；然而all the time一直，始终ahead of time提前on time准时for the time being暂时once upon a time从前take one’s time不着急，慢慢来4.unlike的用法⑴作prep时，“不像，不同”eg:It’s unlike her to be so patient with children.⑵作adj时，“不同的；不相似的”eg:They both look so unlike that nobody believes they’re sisters.注：likely adj.“可能的”反义词为unlikely adj.“不可能的”5.harmfuladj“有害的；可致损伤的”的用法harmvtn&危害—harmful adj有害的—harmfully adv有害地—harmless adj无害的—harmlessly adv无害地搭配：be harmful to介对……有害的(=do harm to介)6.multiplyv“繁殖；乘(以)；成倍增加，迅速增加”的用法eg:①It is possible to multiply these bacteria in the lab.②Two multiplied by four is/makes/equals eight.③Our problems have multiplied since last year.y的用法⑴下蛋；产卵eg:Are your hens laying well?⑵放置，安放，搁搭配：lay sb./sth. (up)on…把某人/某物放在……上lay sth. aside把某物放在一边lay sb. off解雇某人lay out展开，铺开lay on提供，安排lay by留存备用eg:She laid the baby down gently on the bed.⑶摊开；涂；敷；铺eg:Lay the material flat on the table.记忆口诀：规则撒谎，lie——lied——lied——lying不规则为(位)躺；lie——lay——lain——lying躺下不放蛋，放蛋不规则。

Book 3 Unit 4 Astronomy: the Science of the Stars词汇短语课型导学案（教师版）一. 学习过程Part 1重点词汇、短语Ⅰ. 重点词汇1. system n. 系统；体系；制度2. theory n. 学说；理论3. violent adj. 猛烈的；激烈的；强暴的4. unlike prep. 不同；不像5. harmful adj. 有害的6. exist 存在；生存7. pull 拉；拖；牵引力8. puzzle n. 谜；难题9. astronomer n. 天文学家10. atmosphere n. 大气层11. violent adj. 猛烈的12. global adj. 全球性的Ⅱ. 重点短语1.in time 及时；终于2. lay eggs 下蛋3. give birth to 产生；分娩4. in one’s turn 轮到某人；接着5. prevent from 阻止；制止6. cheer up 感到高兴7. break out突发；爆发8. now that 既然9. watch out 当心；提防；密切关注10. in time 及时Part 2 合作探究Discuss in groups and fill in the blanks1. However, according to a widely accepted theory, the universe began with a “Big Bang” that threw matter in all directions. 然而，一种普遍为人们所接受的理论是：宇宙起源于一次大爆炸，这次大爆炸将物质投射到四面八方。

1）theory n. 学说；理论〖拓展〗in theory 理论上in practice实际上〖运用〗Your idea is good in theory, but it doesn't work in practice. 你的计划理论上很好，但在实际中行不通。

Grammar 主语从句导学案学习目标Knowledge aims: Learn the Subject Clause and how to use the Subject ClauseAbility aims: Be able to use the Subject Clause correctly.重点难点Master how to use “who(ever), whom, which, what(ever) , that, when, where, when, why,”考点一主语从句的连接词做一做划出主语从句并翻译整句话（1—5 ）1.That he will come to the meeting excites all of us.2. Whether the work can be completed on time is doubtful.3. It is not clear whether she likes the present.4. What surprised me most was that the girl could play so well.5. How she was successful was still a puzzle.6. ____________ (他为什么不愿去那儿) is clear.7. It’s uncertain ______________(这个实验是否值得做).8. ______________(他赢得了比赛) made us happy.总结：考点二几组易混连接词的区别1. that / what做一做：用适当的连词填空①__________ he wants is a book. ②________ light travels in straight line is known to all.③______ we can’t get seems better than ____ we have.总结：that ______________________________________ what _____________________________________ 2. what / which做一做用适当的连词填空。

人教版(2019)新教材高中英语第三册词汇导学案UNIT FOUR1.astronaut ['æstrənɔːt ]: n. 宇航员; 太空人spaceman/spacewoman: n. 宇航员1)Can you name any famous astronauts from China or abroad?2)Yang Liwei is China's first astronaut and national hero.3)She believed that she could make/become an excellent woman astronaut.2. procedure [ prə'siːdʒə(r)]: n.程序;步骤;手续1)Do you know anything about the selection procedure for astronauts?2)The results show clearly that this procedure is correct.3)What's the procedure for opening a bank account(账户)？3. mental [ 'mentl ]: adj. 精神的; 思想的physical: adj. 身体的spirit: n.精神; 心灵; 情绪thought: n.思想; 想法Astronauts not only had to learn how to use space equipment, but also had to do a lot of mental and physical training.4. cm = centimeter/centimetre ['sentimi:tə(r)] : n. 厘米millimeter/millimetre: n. 毫米meter/metre: n. 米; 公尺kilometer/kilometre: n. 千米; 公里1)His height has increased by 3 cm.2)The player is 185 cm in height and 95 kg in weight.5. intelligent [ɪn'telɪdʒənt ]: adj.有智慧的;聪明的;有智力的clever: adj. 聪明的; 灵巧的; 熟练的; 精明的bright: adj. 聪明的; 明亮的wise: adj. 明智的; 英明的; 充满智慧的smart: adj. 聪明的; 精明的1)First of all, you must be intelligent enough to get a related college degree.2)She's even more intelligent than her brother.3)The child asked a lot of intelligent questions.6. rocket [ 'rɒkɪt]: n. 火箭;火箭弹rock: n. 岩石; 礁石1)The rocket crashed a few seconds after it left the ground.2)There was a rocket attack on the capital of that country last night.7. gravity ['ɡrævəti]: n.重力;引力1)After many experiments, t hey succeeded in making rockets that could escape Earth’sgravity.2)The stone rolled down the mountain by gravity.3)When there is no gravity, our feet no longer stay on the ground.8. frontier ['frʌntɪə(r)]: n. 边境;国界;边远地区(指两国接壤的前沿地区，多有军队驻防) border: n. 边界; 边境(多指靠近两国或两地区分界线的区域)front: n. 前面; 前部; 前线adj. 前面的; 前部的; 在前的SPACE: THE FINAL FRONTIER1)Frontier incidents have been common on the border.2)The frontier is so well guarded that no one can get across.3)The USA has a frontier with Mexico.9. ve hicle [ 'viːɪkl ]: n. 交通工具;车辆car: n. 小车; 轿车taxi: n. 出租车; 计程车jeep: n. 吉普车bus: n. 公共汽车truck: n. 卡车train: n. 火车plane: n. 飞机aircraft: n. 飞机helicopter: n. 直升机spaceship/spacecraft: n. 宇宙飞船ship: n. 船; 舰boat: n. 小船; 船bike/bicycle: n. 自行车motorbike/motorcycle: n. 摩托车- 1 -1)Are you the driver of this vehicle?2)Despite the vehicle's size and weight, it is not difficult to drive.3)This vehicle has been parked in front of the school.10.universe [ 'juːnɪvɜːs ]: n. 宇宙;天地万物earth: n. 地球moon: n. 月球1)They make vehicles to carry brave people into space to find out the secrets of theuniverse.2)Do you know how the universe began?11.determined [dɪ'tɜːmɪnd]: adj.有决心的; 意志坚定的be determined to do…: 决心做…1)However, some scientists were determined to help humans realise their dream toexplore space.2)He's determined to pass the driving test this time.3)The government is determined to clean up the city.12. determine [dɪ'tɜːmɪn]: vt. 查明;确定;决定determination [dɪˌtɜ:mɪˈneɪʃn]: n. 决心;决定determine/de cide to do…: 决定做…1)The people in that country have a right to determine their own future.2)The woman determines to continue working when she reaches retirement age.13. satellite ['sætəlaɪt ]: n. 人造卫星;卫星star: n. 恒星planet: n. 行星1)A new satellite has been put into orbit around the earth.2)The moon is a satellite of the earth.3)China sent up 40 satellites last year.14. launch [lɔːntʃ]: v./n发射;发起;上市send up：发射1)The Russia will launch a communications satellite tomorrow morning.2)The new car will be launched next year.3)They launched a surprise air attack on the capital in the early hours of the morning.15.orbit [ 'ɔːbɪt]: n. (环绕地球/太阳等运行的)轨道;势力范围v.沿轨道运行;环绕…运行1)On 4 October 1957, the Sputnik 1 satellite was lunched by the USSR andsuccessfully orbited around Earth.2)Mars and Earth have orbits which change with time.3)Now Canada is within the orbit of the United States of America.16. giant ['dʒaɪənt]: adj. 巨大的;伟大的n. 巨人;巨兽;伟人big: adj. 大的;巨大的; 年龄较大的; 重大的; 严重的huge: adj. 巨大的;庞大的large: adj. 大的; 大量的; 大规模的great: adj. 伟大的: 巨大的; 极大的; 大的1)He is a manager of a giant factory.2)Shakespeare was a giant writer.3)The boss looks scary but he's really a gentle giant.17.leap [li:p]: n. 跳跃;剧增;剧变v. 跳过;跃过(leapt -- leapt [lept]; leaped --leaped) jump: v.跳; 跳跃;跳过; 跨越1)He had leapt from a window in the building and escaped.2)I saw a fish leaping out of the water.18. mankind [mæn'kaɪnd ]: n.人类(前不用冠词，接单数动词/复数动词)all mankind: 全人类man: n. 人类(不可数名词，前不用冠词，接单数动词)1)Over eight years later, on 20 July 1969, American astronaut Neil Armstrong steppedonto the moon, famously saying, “That’s one small step for (a) man, one giant leap for mankind.”2)The civilization of mankind has taken thousands of years to develop.- 2 -3)Exploring outer space is a challenge to mankind.19.agency [ 'eɪdʒənsi]: n．(政府的)专门机构;服务机构;代理处agent: n.代理人;经纪人a travel agency: 旅行社1)You can book at your local travel agency .2)I wrote a letter to the car rental agency, explaining what had happened.3)The agency provided me with a well-paid job.20.transmit [ træns'mɪt] [trænzˈmɪt]: v. 传输;发送1)The game was transmitted live(实况) all over the world.2)The ceremony was transmitted live by satellite to over 100 countries.3)The images(图像) of the moon's surface were transmitted back to the earth.21.data ['deɪtə]: n. (复数)资料; 数据(单数: datum)1)For example, America’s NASA space agency launched V oyager 1 on 5 September,1977 to study deep space, and it still transmits data today.2)The study was based on data from 100,000 women.3)You should often save data on your computer.22. disappointed [ˌdɪsə'pɔɪntɪd ]: adj.失望的;沮丧的disappoint [,dɪsəˈpɔɪnt]: v. 使失望/破灭/落空disappointing: adj. 使人/令人失望的/沮丧的disappointment: n. 失望;沮丧be disappointed at/by/in/with...: 对什么失望be disappointed in/with...: 对某人失望to one’s disappointment: 使人失望的是...1)The result of the match will disappoint all the students.2)All the students are disappointed at the result of the match.3)The result of the match is disappointing (to all the students).23. desire [ dɪ'zaɪə(r)]: n. 渴望;欲望v．渴望;期望desire to do...: 渴望/期望做什么desire sb to do...: 渴望/期望某人做什么1)These disasters made everyone sad and disappointed, but the desire to explore theuniverse never died.2)I have a strong desire to help the children without parents.3)We all desire health and happiness.4)She desires that she (should) be sent abroad to study medicine.desire, suggest, propose, recommend, order/instruct/command, demand, request, require, ask, urge(强烈要求), insist(坚决要求)等接that宾语从句时，从句用should do/be 结构，should可省。

必修三Unit 4 Astronomy: the science of the starsPeriod 1 Vocabulary 词汇导学案【学习目标】掌握并灵活运用这些单词和词组【重点难点】能灵活运用这些单词和词组【学法指导】仔细阅读课文，找出课文原句并归纳语言点的用法课前预习Step 1. 在句子语境中猜出划线单词或短语的中文意思。

（）1. The terrorists exploded a bomb in a store.A.爆炸B.戳穿C.（情绪）爆发D.激增（）2. Don‟t worry. I‟m sure things will get better in time.A.终于B.总有一天C.及时D.按时（）3. The big black hen laid a big egg yesterday morning.A.产卵B.摆，放C.卧，躺；位于D.说谎试比较下表：动词原形第三人称过去式过去分词现在分词躺lie ________ ________ _______ ________撒谎lie ________ ________ ________ ________放/搁/产卵lay ________ ________ ________ ________（）4. Whether we can go outing depends on the weather.A.取决于B.信任，信赖C.依靠；依赖（）5. The good news cheered the family up.A.使振奋B.高兴C.欢呼D.菜肴，酒菜（）6. Now that you grow up, you should not rely on your parents.A. 现在B. 那样C.由于，既然（）7. Many old customs have died out.A.相继死去B（声音、光线）减弱C. （程度上）由强变弱D. 灭绝；消失（）8. World War II broke out in 1939.A.(关系)破裂，结束B（机器）坏 C. 闯入 D.爆发Step 2. 短语互译：1.终于，及时______________2. 冷却，平静下来______________3.轮到某人，接着__________4. 下蛋______________5.产生，分娩______________6. 既然______________7.阻止，制止______________ 8. 感到高兴，感到振奋______________ 9.爆发；突发______________ 10.密切关注；当心；提防______________课堂学习Step 1. 根据句意或中文意思或所给的首字母，写出适当的单词。

2019-2020学年高中英语人教版必修三Guided Learning Plan Unit 4 Astronomy: the science of the starsPeriods 1 &2 Warming-up, Pre-reading and Reading学习重点：1.理解课文，掌握课文中的基础知识。

2.了解太空的背景知识，培养学生的科学探索精神。

学习难点：把握文章的写作顺序，培养快速阅读与整体理解能力。

学法指导：1.快速阅读，掌握课文大意 2. 细读，掌握课文情节和细节，用红笔画出难点 3.通过合作探究主动质疑，学会总结文章段落大意，深入理解课文内容。

A.自主探究Task 1 fast readingSkimming: Go through the passage quickly to get the main idea of each paragraphPara. 1 The formation(形成) of the earth.Para. 2 The importance of water for life.Para. 3 A widely accepted theory about the formation of the universe.Para. 4 The arrival of humans and their impact on the earth.Para. 5 The development of plants and animals on the earth.Task2:True (T) or False (F).1. The earth appeared before the Big Bang happened.( )2. The original atmosphere consisted of nitrogen and oxygen. ( )3. The main difference between the earth and other planets is that there is water on the earth. ( )4. Life began in water and then on land.( )5. Mammals appeared before the development of dinosaurs.( )6. Dinosaurs could give birth to young baby animals and produced milk to feed them.( )7. Human beings produce too much carbon dioxide which causes the global warming on the earth.( )8. According to the text, human beings would disappear in the end. ( )B.合作探究Careful reading:Task1.Scan for the detailed information and find the part talking about the development of life：a cloud of ______→ a solid ______→presence of ______→ small _____ in water → _______ and all sorts of fish → Green ____ on land → ______ and ______ appear → Plants grew into _______ → _____ (on land) →__________( on land) → __________ (on land) →____________ (small clever animals on land)Task2.Read the passage again and try to finish the answers below.1).Why was the earth different from other planets?2).Why did the plants grow before the animals came?3).Why is it wrong in films and stories to show dinosaurs and people together?4).Why do you think that humans are the cleverest animals on the earth?5).There used to be nine planets in the solar system. Recently scientists have decided that one of them can no longer be considered a planet. Do you know the name of that planet? Do you know why they removed it?6).What problem is caused by human beings?C.反馈测试根据课文完成短文并复述课文The _________of the earth produced water vapour, which turned into water when the earth ________down. Water allowed the earth to ________harmful gases into the oceans and seas. That made it possible for life to begin to develop. The arrival of small________ encouraged the development of early shellfish and all ________of fish. Many millions of years later the first________ plants began to appear on land. Later land animals appeared. Some were insects. At last________ rule the world, but they are not taking _________of the earth very well.D.延伸拓展根据所给首字母或中文意思填写单词。

Unit4 Astronomy: the science of the stars班级_______ 姓名_____________小组_________第一课时warming up & pre-reading 自主学习学案学习目标：1. 语言目标Language aims:2. 能力目标Ability aims:1) 进一步熟悉掌握一些阅读技巧，比如快速寻找文章细节信息(scanning)、归纳和总结（summarizing）。

2) 让学生学会表达自己的思想。

3) 情感目标Emotional aims: 让学生弄清楚什么是科学思想，什么是宗教信仰或文化传统。

在探讨生命的起源的科学道理之前，交流一下有关宇宙的起源的种种传说,调动学生的相关知识，激活学生的思维。

重点key points:Talk about the beginning of life on the earth.b. Discuss the order of development of life难点important points:Understand the beginning of life on the earth.Step I some questions in warming up1. How much do you know about the universe?What are they?________________________________________________________________________________________ ______________________________________________________________________________2. Who is the first man landing on the moon?___________________________________________________________________________________Step II pre-readingTask one: Fill in the blanks after listening1) According to a widely accepted theory, the universe began with a “___________” that threw matter in all directions.2) It was not immediately obvious that ________ was to be fundamental to the development of ______.3) They are putting too much CO2 into the atmosphere, which prevent _____ from escaping from the earth. Task two: careful reading and write down the main idea.paragraph 1: _________________________________________.paragraph 2: The formation of _______________________________________.paragraph 3: The importance of ____________________________________.paragraph 4: __________________________of plants and animals on the earth.paragraph 5: ______________________ of humans and their impact on the earth.Task three : Put the order of development of life into a timeline.1 Insects and amphibians appeared2 Dinosaurs appeared3 The earth became a solid ball4 Small plants greaw on the water5 Reptiles appeared6 Plants began to grow on dry land.7 The earth was a cloud of dust. 8 Water appeared on the earth9 Shellfish and other fish appeared. 10 The universe began with a “Big Bang”11 Clever animals with hands and feet appeared. 12 Mammals appeared.Answers: __________________________________________________Task Four: summaryAfter the “Big Bang”, the earth was just a cloud of dust. It __________ loudly with fire and rock, which were ____ ___________to produce the water vapour, ___________ and other gases. Then small plants grew . They ___________and filled the oceans and seas with 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. When dinosaurs disappeared, __________ became more important. Now small clever animals with _____________appeared and ________all over the world. As time ________ they covered the earth and they are putting too much carbon dioxide into the __________, which ________heat ____ ________ from the earth into space. Whether life will continue on earth for millions of years to come will _____________whether this problem can be solved.Language points :1.However , according to a widely accepted theory, the universe began with a “ Big Bang” that threw matter in all directions.in all directions = in every direction 向四面八方He walked ____________________ the village. 他向村庄方向走去。