高中英语必修三unit4学案及答案
高一英语人教新课标 必修3 UNIT4 导学案答案
Please look at/ listen to… Please check that… You need… 能
Please pay attention to… Don’t forget to… You’d better…
________________________________________________________________________ 2. Who is the first man landing on the moon?
Make sure you…
Watch out for… You mustn’t…
___________________________________________________________________________________
3. Talking about problems in study or life
1) According to a widely accepted theory, the universe began with a “___________” that threw matter in all
主语从句
directions.
语
What it was to become was a mystery until the dust began to slowly combine into a ball moving
1. 语言目标 Language aims:
话 1.Talk about the science of the stars, the development of life and space travel and gravity 题 2.Practise giving instructions and talking abut problems in study or life
高中英语人教版必修三教学案：Unit 4 Section 4 含答案
Ⅰ.Match the topic sentence with proper paragraph.Para.1A．We visited the moon in our spaceship!Para.2 B．When we got there, I wanted to explore immediately.Para.3 C．But returning to the earth was very frightening.Para.4 D．Before we left, Li Yanping explained to me ... the most powerful.答案：Paras.1～4ADBCⅡ.Choose the best answers according to the text.1．When we were going up, we felt ________．A．we were pressed against our seatsB．we were lighter than we are on the earthC．as if we were flyingD．the rocket was shaking strongly2．Why can't the spaceship fall back to the earth?A．Because the moon's gravity pulls it up.B．Because it is too far away from the earth.C．Because the earth has no gravity.D．Because the spaceship is not very heavy.3．When I was on the moon, I felt I was ________ than I am on the earth.A．slower B．heavierC．cleverer D．lighter4．If a baby is growing on the moon, when he grows up, he will grow ________ than he is on the earth.A．taller B．shorterC．fatter D．thinner5．The passage mainly talks about ________．A．what the moon isB．my visit to the moonC ．the difference between the earth and the moonD ．Li Yanping, my friend, who is an astronaut答案：1～5 ABDABⅠ.单词拼写1．A truck went out of control and crashed (碰撞) into the back of a bus.2．The young man knows little about Newton's law of gravity (万有引力).3．The smell of new bread floated (飘动) up from the kitchen.4．Don't pull (拉) so hard or the handle will go off.5．Britain has a temperate climate (气候)．6．Eggs are sold by weight (重量)．Ⅱ.拓展词汇1．biology n ．生物学→biologist n ．生物学家2．gentle adj .温和的；文雅的→gently ad v .温和地3．physicist n ．物理学家→physics n ．物理学→physical adj .物理的；物理学的；体力的4．extinct adj .灭绝的；绝种的→extinction n ．灭绝；绝种5．weightlessly ad v .失重地→weightless adj .失重的[巧记单词]Ⅲ.补全短语1．block out 挡住(光线)2．break out 突发；爆发3．cheer up 感到高兴；感到振奋4．now that 既然5．watch out (for) 密切注视；当心；提防6．get the hang of 熟悉；掌握；理解1．[教材原句]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.当我们更接近月球时，就会感到月球的引力在拉我们。
人教版 高中英语 必修三unit 4 Astronomy 语言点学案含答案
高一英语必修三导学案Unit 4语言要点（模块）Ⅰ. 词性变化（旨在提供语法填空所需材料）1. violent adj.强暴的，猛烈的; →____________ n.暴力，强暴；猛烈; →____________ adv. 强暴地；猛烈地2. fundamental adj.基本(础)的n.[pl.]基本原则(法则) ; →____________ adv. 基本地；根本地; →____________ n. 基础；根本3. development n.生长，发展；新情况; →____________ vt.发展；产生vi.生长；发展; →____________ adj. 发达的→____________ adj. 发展的4. prevent vt. 预防，防止; →____________ n.预防；阻止；妨碍; →____________ adj.可防止的5. gentle adj.和蔼的；轻柔的; →____________ adv.温和地；静静地6. physics n.物理，物理学; →____________ n.物理学家; →____________l adj.身体的；物理(学)的；物质的7.harmful adj. 有害的→____________（n.）伤害→____________（反义词）8.depend v. 依靠；依赖→____________ ( n.) →____________ (adj.) →____________（反义词）9.exist v. 存在；生存→____________ (n.)10.presence n. →____________ ( n. ;adj.; v. ) ) →____________ (缺席的；不到场的)11.disappoint v. 使失望；使落空→____________ (感到失望的) →____________ (令人失望的) →____________( n.)12.gradually adv. 逐渐地→____________ (adj.)13.puzzle n; 谜；难题；v. 使迷惑→____________ adj.( 感到迷惑的)→____________ adj. ( 令人迷惑的)Ⅱ. 重点短语梳理1. go _____ （时间）前进；推移；走过2. lay _____ 下蛋3._____ one’s turn 轮到某人4. block _____ 挡住（光线）5. get the hang _____ 熟悉；掌握；理解6. watch _____ 密切注视；当心；提防7. depend_____ 依靠；依赖8. _____time 及时；终于9. give birth_____ 产生；分娩10. cheer _____ 感到高兴；感到振奋11. _____that 既然12. break _____ 爆发；突发13 as a_____of由于……的结果14. get close _____ 靠近15. be harmful _____ 对……有害16. prevent …_____ 阻止，制止17._____one’s disappointment令某人失望的是18. cool _____ 冷却19. come_____ existence开始存在；产生Ⅲ.重点词汇（旨在提供词汇综合运用材料）1. lay vt. (laid, laid, laying) 把放下；摆设；铺(地毯) ；产(蛋)lay eggs 下蛋lay sth. aside 把某物放在一边；积蓄（钱）lay sth. down 把某物放下lay the blame on sb.责备某人lay the table 摆桌子lay emphasis / stress on sth. 把重点放在某事上[练习] 根据句子的意思在括号里填入适当的词或翻译。
高一英语人教新课标必修3UNIT4导学案答案
班级_______ _____________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，比方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 readingand 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。
人教版高一英语必修3第四单元(Book 3) Unit 4 学案含答案
Unit 4 Astronomy: the science of the stars（Module 3）Period 1 Reading: How Life Began on The Earth班级__________ 姓名____________ 学号_____________Learning Objectives:1.Learn the useful new words and expressions in the reading material.2.Improve the reading skills while reading the passage about the astronomy.Learning Key Points:1. Grasp the important words and expressions in the reading material.2. Learn something about how life began on the earth.Learning Difficult Points:1. Grasp the important words and expressions.2. Improve the reading ability.Learning Procedures:I.【Pre-class homework】A. Match the main idea of each paragraph.Para 1: ( ) A. The formation of the earth.Para 2: ( ) B. A widely accepted theory about the information of the universe.Para 3; ( ) C. The arrival of humans and their impact on the earth.Para 4: ( ) D. The importance of water for life.Para 5: ( ) E. The development of plants and animals on the earth.B. Ask and answer.1. What was there on the earth before life could begin?___________________________________________________________________________ 2.Why did animals first appear in the seas?___________________________________________________________________________ ___________________________________________________________________________ II. While-classStep 1 Lead-inStep 2 DiscussionSs discuss their pre-class homework in groups.Step3 ConsolidationA. Further reading and finish the following comprehension questions.1.( ) What forms the earth’s atmosphere?A. Carbon dioxide, oxygen .B. Carbon dioxide, oxygen, poisonous gas.C. Water vapor, carbon dioxide, oxygen, nitrogen.D. Water vapor, carbon dioxide, oxygen, nitrogen and other gases.2. ( ) Why was the earth different from other planets?A. It produced a lot of heat.B. The water remained.C. Water disappeared.D. It was the oldest planet.3. ( ) What kind of factor improved the progress of life?A. Water forms on the earth’s surface.B. Green plants began to appear on land.C. The air is full of carbon dioxide.D. Animals began to appear such as insects, amphibians, est.3.( ) What is the main idea of this passage?A. It tells us how life begins to appear on the earth.B. It tells us why green plants grow before animals.C .It tells us water plays an important role in the development of life.D. It tells us carbon dioxide is the reason why living beings will die in the future,4.( ) The author infers us that if we want the life to continue on the earth, what shouldwe do?A. We should produce more carbon dioxide to cause global warming.B. We should solve the problem of global warming as soon as possible.C. We should bear less people and think about a new way to grow more crops.D. We should be worthy of water.B. Cloze test.At the very beginning, the earth was just a cloud of 1. ___________ (energy) dust. Then the dust combined 2. __________ a ball moving around the sun. After that, it exploded 3.______(loud) with fire and rock, 4. ___________ (produce) water vapor,carbon dioxide and other gases, 5. _____________ made 6. ____________ possible for life to begin to develop. Some small plants 7. ___________ (grow) in the water appeared on the earth’s surface, 8. _____________ (follow) by land animals, including insects, amphibians, reptiles and the dinosaurs. But they disappeared 9. ________ of a sudden and some small clever animals with hands and feet appeared and spread all over the earth and took the place of dinosaurs. They became 10. _______ most important animals on the planet —that is, human beings.Step 4 PresentingSs present their group job.1．Ss write down their answers on the blackboard and give the explanation in class. 2．Teacher and Ss’ comment.Step 5 SummarySs talk about what they have learned in the lesson.Keys:【Pre-class homework】A. Fast reading1. BADECB.1. Water vapor, carbon dioxide, oxygen, nitrogen and other gases.2. Because water allowed the earth to dissolve harmful gases into the oceans and seas. While-classA. 1-5 DBBABB. Cloze test.1.energetic2. into3.loudly4. producing5. which6. it7. growing8. followed9. all 10. theModule 3 Unit 4 Astronomy: the science of the starsPeriod 2 Language points in Reading 1Class：Name：Group：No：Learning Objectives:1. Learn and grasp the important useful new words and expressions.2. Learn the important useful sentences and patterns.3. Make sentences after the useful expressions.Learning Key Points:Ss grasp the usages of such important new words and expressions.Learning Difficult Points:Ss understand some difficult and long sentences.Learning Procedures:I.【Pre-class homework】A.Make sentences using the following works and phrases:1. in time2.unlike3.exist4.give birth to5.in time6.In one’s turn7.prevent,,,fromII.【While-class】Step1. Lead-inStep2. Group discussionStep3．ConsolidationSentences: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.【要点】句子结构: what引导的是_________，what在从句中作_______【模仿翻译】(1) 使大家吃惊的是他没有来。
高中英语必修三unit4学案及答案.doc
Book3 Unit4 Period 6编写：孙东夷3/10/2015学习目标： A/B 1. 复习并掌握本单元单词和词组 2. 能拓展相关词汇并应用C 1 复习并掌握本单元单词和词组 2. 能拓展相关词汇. 复习并掌握本单元单词和词组Ⅰ . 立体式复习单词A．基础单词1． ________n ．系统；体系；制度8． ________adj. 温和的；文雅的2． ________n ．宗教；宗教信仰9． ________n．气候3． ________n ．学说；理论10．________vi.& vt. 碰撞，坠落4． ________prep. 不同，不像11．________n．& vt. 拉 ( 力) ，拖，牵引 ( 力) 5． ________vi.& vt. 乘；增加12． ________vi.& vt.( 使)浮动， (使)漂6． ________adv. 因此，于是浮7． ________n ．万有引力；重力B．词汇拓展13． ________adj. 猛烈的；激烈的；强暴的→________n．暴力；暴行；剧烈14． ________adj. 基本的；基础的→ ________adv . 根本上；完全地15． ________adj. 有害的→ ________n．危害；害处16． ________vi. 存在；生存→ ________n．存在，生存17． ________n．谜；难题vt.& vi.(使)迷惑；(使)为难→ ________adj.令人迷惑的，困惑的→ ________adj. 迷惑的，困惑的18． ________n．地球，世界→ ________adj. 全球性Ⅱ . 递进式回顾短语A．短语互译1． ________________ 及时，终于6． ________________cheer up2． ________________ 下蛋7． ________________break out3． ________________ 产生，分娩8． ________________watch out4． ________________ 阻止，制止9． ________________block out5． ________________in one's turn10．________________now thatB．用上面短语的适当形式填空11． Do you know that crocodiles reproduce by__________12．During the car accident，he was____________to escape from the car without being hurt.13． The tall tree____________the sunlight.14． The war____________between the two countries.15． ____________for wild animals when you go up the hills.Ⅲ . 仿写式活用句型1． The earth became so_violent_that it was not clear whether the shape would lastor not.【句式仿写】他如此聪明以至于在如此短的时间就解出了那道题。
2019-2020年高中英语人教版必修三unit4单元导学案 部分答案
English· Module 3（Unit 4）—【Using language】学习目标及要求：了解地球引力和失重的相关知识；熟记文章中的重点单词和短语。
探究主题展示一：Basic and new words and expressions in Using language1. 足够幸运做... lucky enough2. 有机会做... Have a change to do sth3. 进行一次太空之旅Make a trip into space 4. 向我解释explain to sb5. 出发be off6. 摆脱地球的重力escape the pull of theearth7. 减轻，减少v. lessen 8. 掉回到地球上fall back to the earth9. 现在离地球太远以至于感受不到它的拉力Be too far from the earthnow to feel its pull10. 感觉它的重力在拉我们feel its gravity pulling us11. 和地球上的拉力一样强As strong as the earth 12. 感到高兴，感到振奋cheer up13. 失重的漂浮者float weightlessly 14. 更轻松的移动move more freely15. 从太空舱的梯子上爬下来climb down the steps fromthe spaceship16. 往前走step forward17. 走了在地球上两倍的距离carry twice as far as on theearth18. 摔倒fall over19. 一些练习 a bit of practice 20. 既然，由于Now that21. 过了一会after a while 22. 找到了窍门get the hang of23. 和...一样难过as painful as 24. 返回地球return to the earth25. 突发，爆发break out 26. 被狠狠地推回到我们的座位上Push hard into our seats探究主题展示二：书面表达（满分25分）假如你是林涛，是名中学生，你对部分同学沉迷于电子游戏（video games）的现象很着急，便给一家报社写封信。
2019-2020年高中英语人教版必修三Unit4 Reading学案及答案
2019-2020学年高中英语人教版必修三Unit 4 Astronomy: the science of the stars—Reading学案主编：审核：编号：3401班级：______ 姓名：________ 使用日期：_________【学习目标】：1. To learn some useful words and expressions in the text.2. To learn the development of life.3. To improve some reading skills, and learn the organization of the text.4. Train Ss’ interests in science and stimulate their love for astronomy.【教学重点】：1. Get the Ss to know the development of life.2. To improve the student s’ reading ability.【Teaching procedures】课前预习【Pre-Class】：Vocabulary learning. 【Write and Read】I.单词检测1．__________ n．天文学2．__________ n．系统；体系；制度3．__________ n．宗教；宗教信仰__________ adj.宗教的；信仰宗教的4．__________ n．学说；理论5．__________ adj.猛烈的；激烈的；强暴的__________ n．暴力6．__________ n．大气层；气氛7．__________ prep.与……不同；不像8．__________ adj.基本的；基础的9．__________ adj.有害的__________ n. &vt.伤害；损害10．__________ n．链子；连锁；锁链11．__________ vi.&vt.乘；增加12．__________ vi.生存；存在__________ n．存在13．__________ adv.因此；于是14．__________ n．迷；难题；vt.&vi.(使)迷惑；(使)为难II. 重点短语1．____________依靠；依赖；取决于2．___________ 及时；终于3．____________ 各种各样的4．_____________ 下蛋5. ________________ 产生；分娩6．_____________ 轮到某人7．________________ 阻止；制止【课堂探究】Step1 lead in-warming up1. In our solar system eight planets circle around the sun. What are they?(Note：According to the present day scientific study, there are only eight planets, with the Pluto excluded.) Keys: The Sun, Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.2. Each religion and culture has its own ideas about how life began on earth. What do you know?Step2 Pre-reading1.The origin of life on earth is a question that interests astronomers. What do you know about the scientific theory on the earth?2. Read the title and predict what the reading will be about, then check if you are right.Step3 Reading ComprehendingI. Skimming-Skim the passage and match the main idea with each paragraph.Para. 1 _____ A．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.Ⅱ. True(T) or False(F)．1．It was not until between 4. 5 and 3. 8 billion years ago that people knew what the earth was to become. ( ) 2．Water began to appear on the surface of the earth before gases were produced. ( )3．The global warming will have a great effect on human beings. ( )Ⅲ. Choose the best answer according to the text.1．What began to appear on the earth's surface when it cooled down?A．Water. B．Gases. C．Acids.2．From the last paragraph we can infer that the author is ________.A．confident B．sad C．concerned3．What does the word “they” in the sentences “It exploded loudly with fire and rock. They were in time to produce carbon dioxide，nitrogen，water vapour and. . .” refer to?A．Planets. B．Fire and rock. C．Gases.4．Which is the right order of the development of life?A．Small clever animals→shellfish→dinosaurs→mammals.B．Shellfish→dinosaurs→small clever animals→mammals.C．Shellfish→dinosaurs→mammals→small clever animals.5．Why were mammals different from other life forms?A．Because they gave birth to young baby animals and produced milk to feed them.B．Because they produced young generally by laying eggs.C．Because they were able to live on land as well as in the water.IV. Fill in the blanks according to the text.【课堂巩固练习】Fill in the blanks according to the reading passage.For several billion years after the “Big Bang” ，the earth was just 1._____ cloud of dust. Between 4. 5 and 3. 8 billion years ago，the dust settled into a solid globe. The earth became so violent and it exploded loudly with fire and rock. They were in time 2. __________(produce) many things，which were to make the earth's atmosphere. As the earth cooled down，water began to appear on 3.______ surface. The continued presence of water allowed the earth to dissolve 4.__________ (harm) gases and acids into the oceans and seas. This produced a chain reaction，which made 5._________ possible for life to develop. Many millions of years later，the first extremely small plants multiplied and filled the oceans and seas 6. _________ oxygen. This encouraged the later 7.____________(develop) of early shellfish and all sorts of fish. Finally，some small clever animals，now with hands and feet ，appeared and spread all over the earth. They are putting too much carbon dioxide into the atmosphere, 8. _________ prevents heat from escaping from the earth into space. 9. _______ life will continue on the earth for millions of years to come will depend on whether this problem can 10. ____ ( solve ).Unit 4 Astronomy: the science of the stars—Reading学案参考答案Step1 Vocabulary learningⅠ. 单词检测1．astronomy n．天文学2．system n．系统；体系；制度3．religion n．宗教；宗教信仰religious adj. 宗教的；信仰宗教的4．theory n．学说；理论5．violent adj. 猛烈的；激烈的；强暴的violence n．暴力6．atmosphere n．大气层；气氛7．unlike prep. 与……不同；不像8．fundamental adj. 基本的；基础的9．harmful adj. 有害的harm n. &vt. 伤害；损害10．chain n．链子；连锁；锁链11．multiply vi. &vt. 乘；增加12．exist vi. 生存；存在existence n．存在13．thus adv. 因此；于是14．puzzle n．迷；难题；vt. &vi. (使)迷惑；(使)为难Ⅱ. 短语默写1．depend on依靠；依赖；取决于2．in time及时；终于3．all sorts of各种各样的4．lay eggs下蛋5．give birth to 产生；分娩6．in one's turn 轮到某人7．prevent. . . from 阻止；制止Step3 Reading ComprehendingⅠ. Match the main idea with each paragraph.Para. 1(C) A．The formation(形成) of the earth.Para. 2(A) B．The importance of water for life.Para. 3(B) C．A widely accepted theory about theformation of the universe.Para. 4(E) D．The arrival of humans and their impact on the earth.Para. 5(D) E．The development of plants and animals on the earth.Ⅱ. True(T) or False(F)．1．It was not until between 4. 5 and 3. 8 billion years ago that people knew what the earth was to become. (T) 2．Water began to appear on the surface of the earth before gases were produced. (F)3．The global warming will have a great effect on human beings. (T)Ⅲ. Choose the best answer according to the text.1．What began to appear on the earth's surface when it cooled down?A．Water. B．Gases. C．Acids.答案 A2．From the last paragraph we can infer that the author is ________.A．confident B．sad C．concerned答案 C3．What does the word “they” in the sentences “It exploded loudly with fire and rock. They were in time to produce carbon dioxide，nitrogen，water vapour and. . .” refer to?A．Planets. B．Fire and rock. C．Gases.答案 B4．Which is the right order of the development of life?A．Small clever animals→shellfish→dinosaurs→mammals.B．Shellfish→dinosaurs→small clever animals→mammals.C．Shellfish→dinosaurs→mammals→small clever animals.答案 C5．Why were mammals different from other life forms?A．Because they gave birth to young baby animals and produced milk to feed them.B．Because they produced young generally by laying eggs.C．Because they were able to live on land as well as in the water.答案 AIV．Fill in the blanks according to the text.【课堂巩固练习】Fill in the blanks according to the reading passage.For several billion years after the “Big Bang” ，the earth was just 1._____ cloud of dust. Between 4. 5 and 3. 8 billion years ago，the dust settled into a solid globe. The earth became so violent and it exploded loudly with fire and rock. They were in time 2. __________(produce) many things，which were to make the earth's atmosphere. As the earth cooleddown，water began to appear on 3.______ surface. The continued presence of water allowed the earth to dissolve 4.__________ (harm) gases and acids into the oceans and seas. This produced a chain reaction，which made 5._________ possible for life to develop. Many millions of years later，the first extremely small plants multiplied and filled the oceans and seas 6._________ oxygen. This encouraged the later 7.____________(develop) of early shellfish and all sorts of fish. Finally，some small clever animals，now with hands and feet ，appeared and spread all over the earth. They are putting too much carbon dioxide into the atmosphere, 8. _________ prevents heat from escaping from the earth into space. 9. _______ life will continue on the earth for millions of years to come will depend on whether this problem can10.____________( solve ).参考答案：1. a 2. to produce 3. its 4. harmful 5. it 6. with7. development 8. which 9. Whether 10. be solved。
高中英语Unit4 解决问题型说明文学案含解析新人教版必修3
Unit 4 Astronomy the science of the starsSection ⅣWriting——解决问题型说明文解决问题型说明文，就是针对某一问题提出具体的解决方法并进行适当论述，给读者提供知识，使之掌握解决问题的方法。
一、基本结构此类作文的篇章结构如下：第一部分：提出问题或阐述某件事情的重要性；第二部分：列举说明处理某事的方式或解决某个问题的途径；第三部分：针对提出的解决方法进行简要评价，也可提出个人建议或选择，并阐述理由。
二、增分佳句1．If I did...，I would do...2．...so＋adj....that...3．...prevent...from doing...4．Only in this way...后面用倒装5．I might do...[题目要求]随着科学技术的发展，人类去太空旅游将不再是遥远的梦想。
假设你是李华，对太空探索极感兴趣，现在请你写一篇100词左右的英语短文，设想在今年暑假去太空旅游，如何克服失重条件下的吃饭和喝水的问题。
第一步：审题构思很关键一、审题1．确定体裁：本文为说明文；2．确定人称：本文的主要人称为第一人称；3．确定时态：主要使用一般现在时。
二、构思1．开篇：提出失重条件下吃饭和喝水的问题。
2．主体：分析和解决失重条件下吃饭和喝水的问题。
3．总结：简要评论。
第二步：核心词汇想周全1．gravity 重力2．float 飘浮3．prevent...from... 阻止……4．solve 解决5．try/have_a_try 尝试6．in_time 迟早；终于第三步：由词扩句雏形现1．如果我去太空旅游，会有一个问题。
If I went to travel in space, there_would_be_a_problem.2．我可能要面对一个问题。
I might be_faced_with a problem.3．在外太空，重力很弱。
2019-2020学年高中英语人教版必修三Unit4 Reading学案及答案
2019-2020学年高中英语人教版必修三Unit 4 Astronomy: the science of the stars—Reading学案主编：审核：编号：3401班级：______ 姓名：________ 使用日期：_________【学习目标】：1. To learn some useful words and expressions in the text.2. To learn the development of life.3. To improve some reading skills, and learn the organization of the text.4. Train Ss’ interests in science and stimulate their love for astronomy.【教学重点】：1. Get the Ss to know the development of life.2. To improve the student s’ reading ability.【Teaching procedures】课前预习【Pre-Class】：Vocabulary learning. 【Write and Read】I.单词检测1．__________ n．天文学2．__________ n．系统；体系；制度3．__________ n．宗教；宗教信仰__________ adj.宗教的；信仰宗教的4．__________ n．学说；理论5．__________ adj.猛烈的；激烈的；强暴的__________ n．暴力6．__________ n．大气层；气氛7．__________ prep.与……不同；不像8．__________ adj.基本的；基础的9．__________ adj.有害的__________ n. &vt.伤害；损害10．__________ n．链子；连锁；锁链11．__________ vi.&vt.乘；增加12．__________ vi.生存；存在__________ n．存在13．__________ adv.因此；于是14．__________ n．迷；难题；vt.&vi.(使)迷惑；(使)为难II. 重点短语1．____________依靠；依赖；取决于2．___________ 及时；终于3．____________ 各种各样的4．_____________ 下蛋5. ________________ 产生；分娩6．_____________ 轮到某人7．________________ 阻止；制止【课堂探究】Step1 lead in-warming up1. In our solar system eight planets circle around the sun. What are they?(Note：According to the present day scientific study, there are only eight planets, with the Pluto excluded.) Keys: The Sun, Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.2. Each religion and culture has its own ideas about how life began on earth. What do you know?Step2 Pre-reading1.The origin of life on earth is a question that interests astronomers. What do you know about the scientific theory on the earth?2. Read the title and predict what the reading will be about, then check if you are right.Step3 Reading ComprehendingI. Skimming-Skim the passage and match the main idea with each paragraph.Para. 1 _____ A．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.Ⅱ. True(T) or False(F)．1．It was not until between 4. 5 and 3. 8 billion years ago that people knew what the earth was to become. ( ) 2．Water began to appear on the surface of the earth before gases were produced. ( )3．The global warming will have a great effect on human beings. ( )Ⅲ. Choose the best answer according to the text.1．What began to appear on the earth's surface when it cooled down?A．Water. B．Gases. C．Acids.2．From the last paragraph we can infer that the author is ________.A．confident B．sad C．concerned3．What does the word “they” in the sentences “It exploded loudly with fire and rock. They were in time to produce carbon dioxide，nitrogen，water vapour and. . .” refer to?A．Planets. B．Fire and rock. C．Gases.4．Which is the right order of the development of life?A．Small clever animals→shellfish→dinosaurs→mammals.B．Shellfish→dinosaurs→small clever animals→mammals.C．Shellfish→dinosaurs→mammals→small c lever animals.5．Why were mammals different from other life forms?A．Because they gave birth to young baby animals and produced milk to feed them.B．Because they produced young generally by laying eggs.C．Because they were able to live on land as well as in the water.IV. Fill in the blanks according to the text.【课堂巩固练习】Fill in the blanks according to the reading passage.For several billion years after the “Big Bang” ，the earth was just 1._____ cloud of dust. Between 4. 5 and 3. 8 billion years ago，the dust settled into a solid globe. The earth became so violent and it exploded loudly with fire and rock. They were in time 2. __________(produce) many things，which were to make the earth's atmosphere. As the earth cooled down，water began to appear on 3.______ surface. The continued presence of water allowed the earth to dissolve 4.__________ (harm) gases and acids into the oceans and seas. This produced a chain reaction，which made 5._________ possible for life to develop. Many millions of years later，the first extremely small plants multiplied and filled the oceans and seas 6. _________ oxygen. This encouraged the later 7.____________(develop) of early shellfish and all sorts of fish. Finally，some small clever animals，now with hands and feet ，appeared and spread all over the earth. They are putting too much carbon dioxide into the atmosphere, 8. _________ prevents heat from escaping from the earth into space. 9. _______ life will continue on the earth for millions of years to come will depend on whether this problem can 10. ____ ( solve ).Unit 4 Astronomy: the science of the stars—Reading学案参考答案Step1 Vocabulary learningⅠ. 单词检测1．astronomy n．天文学2．system n．系统；体系；制度3．religion n．宗教；宗教信仰religious adj. 宗教的；信仰宗教的4．theory n．学说；理论5．violent adj. 猛烈的；激烈的；强暴的violence n．暴力6．atmosphere n．大气层；气氛7．unlike prep. 与……不同；不像8．fundamental adj. 基本的；基础的9．harmful adj. 有害的harm n. &vt. 伤害；损害10．chain n．链子；连锁；锁链11．multiply vi. &vt. 乘；增加12．exist vi. 生存；存在existence n．存在13．thus adv. 因此；于是14．puzzle n．迷；难题；vt. &vi. (使)迷惑；(使)为难Ⅱ. 短语默写1．depend on依靠；依赖；取决于2．in time及时；终于3．all sorts of各种各样的4．lay eggs下蛋5．give birth to 产生；分娩6．in one's turn 轮到某人7．prevent. . . from 阻止；制止Step3 Reading ComprehendingⅠ. Match the main idea with each paragraph.Para. 1(C) A．The formation(形成) of the earth.Para. 2(A) B．The importance of water for life.Para. 3(B) C．A widely accepted theory about theformation of the universe.Para. 4(E) D．The arrival of humans and their impact on the earth.Para. 5(D) E．The development of plants and animals on the earth.Ⅱ. True(T) or False(F)．1．It was not until between 4. 5 and 3. 8 billion years ago that people knew what the earth was to become. (T) 2．Water began to appear on the surface of the earth before gases were produced. (F)3．The global warming will have a great effect on human beings. (T)Ⅲ. Choose the best answer according to the text.1．What began to appear on the earth's surface when it cooled down?A．Water. B．Gases. C．Acids.答案 A2．From the last paragraph we can infer that the author is ________.A．confident B．sad C．concerned答案 C3．What does the word “they” in the sentences “It exploded loudly with fire and rock. They were in time to produce carbon dioxide，nitrogen，water vapour and. . .” refer to?A．Planets. B．Fire and rock. C．Gases.答案 B4．Which is the right order of the development of life?A．Small clever animals→shellfish→dinosaurs→mammals.B．Shellfish→dinosaurs→small clever animals→mammals.C．Shellfish→dinosaurs→mammals→small clever animals.答案 C5．Why were mammals different from other life forms?A．Because they gave birth to young baby animals and produced milk to feed them.B．Because they produced young generally by laying eggs.C．Because they were able to live on land as well as in the water.答案 AIV．Fill in the blanks according to the text.【课堂巩固练习】Fill in the blanks according to the reading passage.For several billion years after the “Big Bang” ，the earth was just 1._____ cloud of dust. Between 4. 5 and 3. 8 billion years ago，the dust settled into a solid globe. The earth became so violent and it exploded loudly with fire and rock. They were in time 2. __________(produce) many things，which were to make the earth's atmosphere. As the earth cooleddown，water began to appear on 3.______ surface. The continued presence of water allowed the earth to dissolve 4.__________ (harm) gases and acids into the oceans and seas. This produced a chain reaction，which made 5._________ possible for life to develop. Many millions of years later，the first extremely small plants multiplied and filled the oceans and seas 6._________ oxygen. This encouraged the later 7.____________(develop) of early shellfish and all sorts of fish. Finally，some small clever animals，now with hands and feet ，appeared and spread all over the earth. They are putting too much carbon dioxide into the atmosphere, 8. _________ prevents heat from escaping from the earth into space. 9. _______ life will continue on the earth for millions of years to come will depend on whether this problem can10.____________( solve ).参考答案：1. a 2. to produce 3. its 4. harmful 5. it 6. with7. development 8. which 9. Whether 10. be solved。
高中英语人教版必修三教学案：Unit-4-Section-3-含答案
高中英语人教版必修三教学案：含答案Unit-4-Section-3-[语法初识]]语法剖析[在主从复合句中充当主语的从句即为主语从句。
What made her happy was that she won thegame in such an important match. 令她高兴的是在这么重要的比赛中她获胜了。
It is decided that the meeting has been putoff till next Monday.已经定下来将会议推迟到下周一了。
1.连接词that和whether/if(1)that在从句中不充当任何句子成分，本身无任何意义，只起连接作用，但不可省略。
That we are invited to the concert thisevening is good news to us.我们被邀请去参加今晚的音乐会，这对我们来说是个好消息。
(2)whether/if在从句中不充当任何句子成分，起连接作用，意为“是否”，不可省略。
Whether the plan will be carried out is stillunknown.plan if/whether the It is still unknown ＝will be carried out. 这个计划是否会实施还不知道。
引导的主语从句既可放在]点津whether[引导的主语从句只能放但if句首也可放在句尾，作形式主语。
在句尾，前面需用it即时演练1 完成句子That_she_could_come_to_help_us ①made us very happy.她能来帮助我们使我们很高兴。
②Whether_he_can_finish_his_task_ on_time is ofgreat importance.他能否按时完成任务非常重要。
2．连接代词(who, whose, whom, what, which, whichever, whoever, whomever, whatever等)。
人教版高中英语必修第三册UNIT 4课时作业含答案
UNIT 4SPACE EXPLORATION(满分：100分建议用时：90分钟)第一部分语言知识(15分)第一节单句语法填空(10分)1．A plane crashed on the sea and all 269 people ________ board the plane were killed.2．Jack is the only student ________ (have) a car of his own in our class.3．Not only the students but also their teacher ________ (like) collecting data about satellites.4．He launched the campaign ________ (succeed), as had been expected.5．________ (determine) to keep up with others, the girl is working hard.6．Hand ________ (signal) made by the policeman show the passers-by which way they will return.7．One by one, the applicants left the agency with ________ (disappoint) looks on their faces.8．Stress and tiredness often result in a lack ________ concentration.9．At that time, mankind survived on a very ________ (limit) diet.10．We ran ________ of the coal, and we had to burn wood to warm us.【答案】1．on2．to have3．likes4．successfully5．Determined6．signals7．disappointed8．of9．limited10．out第二节选词填空(5分)11．Both sides have agreed to meet，________________ arriving at a compromise.12．Today, we’re going to ________________ the question of homeless people.13．Good habits always ________________ high efficiency, while bad ones bring the opposite.14．The captain refused to leave his sinking ship while there were others ________________.15．Can the human race ________________ expanding and growing the same way that it is now?【答案】11．in the hope of12．focus on13．lead to14．on board15．carry on 第二部分阅读(30分)第一节阅读理解(20分)AInstant Expert: Wonders of SpaceSaturday 17th July，10 a. m. — 5 p. m. | Cavendish Conference Centre, LondonJoin us for a day of exploring the wonders of outer space with six leading scientists. You will start where everything began, at the Big Bang. Throughout the day, you will hear about everything from the exploration to find life on Mars to the discovery of liveable planets outside our solar system.Who should attend?Anyone interested in the mysteries of space, whatever your age or background. Whether you’re a scientist, a student or simply an attracted human being, our event offers the chance to learn directly from the experts at our one-day masterclass.Benefits of attending：·Open your mind and be inspired.·Talk with like-minded people through informal set-up.·Meet our six speakers and ask your burning questions.What’s included in your ticket：·In-depth and interesting talks from six leading scientists.·Buffet lunch, plus morning and afternoon drinks and snacks.·An Instant Expert certificate provided by event organizers.Booking information：We will email you your ticket immediately after purchase. Please remember to bring your ticket with you as you’ll need it to gain entry. We can scan tickets from a printout, or off the screen of a phone.A limited number of discounted early bird tickets priced at ￡129 will be offered, saving ￡20．These tickets can be bought by clicking the following green “Buy” button if still available.()16．Who is the event intended for?A．Science students. B．Space fans.C．Leading scientists. D．Research experts.()17．What can participants expect from the event?A．Free meals throughout the day. B．Certificates from famous schools.C．Gatherings with event organizers. D．Face-to-face meetings with scientists.()18．What should people do if they want to save money?A．Buy tickets quickly. B．Choose digital tickets.C．Reserve tickets online. D．Print tickets in advance.【语篇解读】本文是一篇应用文。
高中英语人教版必修三教学案：Unit-4-Section-3-含答案
高中英语人教版必修三教学案：Unit-4-Section-3-含答案[语法初识]原句感知自主探究①What it was to become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe.②The earth became so violent that it was not clear whether the shape would last or not.③What is even more important is that as the earth (1)以上各句皆为主从复合句，句中黑体部分为名词性从句作主语，称之为主语从句。
(2)what引导主语从句，what在从句中作表语(句①)，主语(句[语法剖析]在主从复合句中充当主语的从句即为主语从句。
What made her happy was that she won the game in such an important match.令她高兴的是在这么重要的比赛中她获胜了。
It is decided that the meeting has been put off till next Monday.已经定下来将会议推迟到下周一了。
1.连接词that和whether/if(1)that在从句中不充当任何句子成分，本身无任何意义，只起连接作用，但不可省略。
That we are invited to the concert this evening is good news to us.我们被邀请去参加今晚的音乐会，这对我们来说是个好消息。
(2)whether/if在从句中不充当任何句子成分，起连接作用，意为“是否”，不可省略。
Whether the plan will be carried out is still unknown.＝It is still unknown if/whether the plan will be carried out.这个计划是否会实施还不知道。
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高中英语必修三
u n i t4学案及答案-CAL-FENGHAI-(2020YEAR-YICAI)_JINGBIAN
Book3 Unit4 Period 6
编写：孙东夷 3/10/2015
学习目标：A/B 1.复习并掌握本单元单词和词组 2.能拓展相关词汇并应用
C 1复习并掌握本单元单词和词组 2.能拓展相关词汇
D.1. 复习并掌握本单元单词和词组
Ⅰ.立体式复习单词
A．基础单词
1．________n．系统；体系；制度2．________n．宗教；宗教信仰3．________n．学说；理论4．________prep.不同，不像5．________vi.& vt.乘；增加6．________adv.因此，于是7．________n．万有引力；重力8．________adj.温和的；文雅的9．________n．气候
10．________vi.& vt.碰撞，坠落11．________n．& vt.拉(力)，拖，牵引(力)
12．________vi.& vt.(使)浮动，(使)漂浮
B．词汇拓展
13．________adj.猛烈的；激烈的；强暴的→________n．暴力；暴行；剧烈14．________adj.基本的；基础的→________adv.根本上；完全地
15．________adj.有害的→________n．危害；害处
16．________vi.存在；生存→________n．存在，生存
17．________n．谜；难题 vt.& vi.(使)迷惑；(使)为难→________adj.令人迷惑的，困惑的→________adj.迷惑的，困惑的
18．________n．地球，世界→________adj.全球性
Ⅱ.递进式回顾短语
A．短语互译
1．________________及时，终于2．________________下蛋
3．________________产生，分娩4．________________阻止，制止5．________________in one's turn 6．________________cheer up 7．________________break out 8．________________watch out 9．________________block out 10．________________now that
B．用上面短语的适当形式填空
11．Do you know that crocodiles reproduce by__________
12．During the car accident，he was____________to escape from the car without being hurt.
13．The tall tree____________the sunlight.
14．The war____________between the two countries.
15．____________for wild animals when you go up the hills.
Ⅲ.仿写式活用句型
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1．The earth became so_violent_that it was not clear whether the shape would last or not.
【句式仿写】他如此聪明以至于在如此短的时间就解出了那道题。
He is he worked out the problem in such a short time.
2．This produced a chain reaction，which made it possible for life to develop.
【句式仿写】他每天早晨六点起床，这已成为一种习惯。
He at six every day in the morning.
3．But when I tried to step forward，I found I was carried twice as far as on the earth and fell over.
【句式仿写】新图书馆是旧图书馆的4倍大。
Our new library is the old one.
4．“Oh，dear，”I cried，“walking does need a bit of practice now that gravity has changed.”
【句式仿写】既然你想提高英语口语，你应该每天说英语。
___________ _，you should speak English every day.
IV.达标练习
一、根据句意填入单词或短语的正确形式
1. The professor has brought in a good （系统）of teaching language from abroad.
2. There are many t about the origin of life.
3. Children should not be allowed to watch v movies.
4. I believe the affair is h to the company.
5. The old lady e only on coffee and bread.
6. She listened with a p expression on her face.
7. Many women plan to g babies this year.
8. Doctors say many diseases can be p spreading by washing our hands.
9. I stayed up last night, so today I can’t c .
10. N you have grown up, you should not depend on your parents.
1.If you put your heart into it，you’ll succeed _________.
2.Nothing can _______ their plans ____ being carried out.
3.She ______________ a fine healthy baby.
4.__________！Our troubles will soon be over.
5._____the rain is going to stop，we’d better get ready for the afternoon’s match.
6. I was still sleeping when the fire ___,and then it spread quickly.
7.___________ for the traffic while crossing the road.
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8.Whether life will continue on the earth for millions of years to come will
__________ whether this problem can be solved.
9.A clean environment can help the city bid for the Olympics，which ________ will promote its economic development.
10. What she does ________ what he told me.
4。