高中英语Unit4 Astronomy the science of the stars-reading课件 新课标 人教版 必修3
India Brahma(婆罗门 Brahma(婆罗门) is 婆罗门) the god first represented in the Hindu Triad. He is the creator of the universe and all living beings are said to have evolved from him.
4.cool 1) v. Please open the window to cool the room. Don’t drink the tea before it cools a little. If your both sides don’t cool down first, we can’t settle the heated argument better. (cool down) Try to cool her down. (cool …down) 2) adj. be/get/seem/keep cool His songs received a cool response from the public.
5. Sb+vt+it+adj/n+
B
2 Why was life able to develop on the earth C but not on other planets? A The earth had a solid shape B The earth did not have harmful gases in its atmosphere C The water stayed on the earth but not on other planets D The earth was not too hot but not too cold
Group work
Is the earth getting warmer each year? If so, what effects will this have? What’s the “green house effect,” which some scientists say might destroy our planet? Will the burning of coal, oil, and natural gas cause the earth to become a dead planet like Venus?
Careful reading
1. How did water come into being on the earth? The explosion of the earth produced water vapor, which turned into water when the earth cooled down. 2. What’s the significance of the presence of water on the earth? It allowed the earth to dissolve harmful gases into oceans and seas.
st 1) adj. last summer/last Monday 2) adv. When did you last get a letter from your mother? 3) vi. How long will the fine weather last? 4) n. These are the last of our books./ at last (the last of …最后的人或事物)
6. forests 10. small clever animals with hands and feet
1 Why is it wrong in films and stories to show dinosaurs and people together? Because dinosaurs died out long before human beings developed on the earth. 2 Why do you think that humans are the cleverest animals on the earth? We are the cleverest animals because we have large brains than any other creatures on the earth so far.
PrePre-reading Where do we come from? Or we can say: Who are our ancestors?
Big Bang
A solid ball
The earth
Atmosphere
It was full of water.
Original cells.
B
Read paragraph 2 to 4 carefully and finish the following form.
How life began on the earth 1. small plants in water 3. green plants on land 2. shellfish and all sorts of fish 4. insects(on land) 5.amphibians (on land and in water) 7. reptiles(on land) 8. dinosaurs(on land) 9.mammals(on land) 11. human
3 Why was it necessary for plants to grow before animals? A Animals needed plants to protect them from the sun B Plants provided oxygen for animals to breathe B C Animals could hide from hunters in forests. D It was easier for plants to grow. 4 What problem is caused by human being? 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
Day 4: God spoke and created the sun, moon and stars Day 5: God spoke and created living creatures in the air and sea Day 6: God spoke and created the land animals and man Day 7: God rested and blessed this day calling it Holy
Reading
What is the passage about?
It’s about the development of the earth.
Fast reading
1. What was there on the earth before life could begin? 2. Why do scientists think there has never been life on the moon? 3. Why did animals first appear in the seas? 4. Why did green plants help life to develop? 5. Why were mammals different from other animals?
Choose the best answer
1 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
2. explode (v.) explode the bomb explode with/in anger explode into/with laughter 3.in time If you keep on studying hard, you’ll succeed in time.(迟早) She will be back in time to prepare dinner. (及时) in time (for sth/ to do sth) The audience clapped in time to the music. (in/out of time 合/不合节拍)
4. Why did green plants help life to develop? Because green plants can take carbon dioxide from the atmosphere and fill the air with oxygen.
5. Why were mammals different from other animals? They were different because they produced their young from within their bodies.
The cells in the water began to separate.
water
Plants on land
Plants in the water
Shellfish and fish
最新高考英语一轮复习-Unit-4-《Astronomy-the-science-of-the-stars》重点梳理现题解析
必修3Unit 4 Astronomy: the science of the stars要点梳理高效梳理·知识备考●重点单词1．astronomy n．天文学→astronomer n．天文学家2．system n．系统；体系；制度3．theory n．学说；理论→theoretical adj.理论上的4．globe n．球体；地球仪；地球→global adj.全球性的；全世界的5．violent adj.猛烈的；激烈的；强暴的→violence n．暴力→violently adv.猛烈地6．atmosphere n．大气层；气氛7．unlike prep.不同；不像→dislike vt.不喜欢8．presence n．出席；到场；存在→present adj. & n. & v．在场的；目前，现在；出席；颁发，授予9．harmful adj.有害的；伤害的→harm n．危害，害处→harmless adj.无害的10．exist vi.存在，生存→existence n．存在，生存11．puzzle n．谜；难题vt. & vi.(使)迷惑；(使)为难→puzzled adj.迷惑的→puzzling adj.令人迷惑的12．gravity n．万有引力；重力13．satellite n．卫星；人造卫星14．climate n．气候15．spaceship n．宇宙飞船16．pull n. & vt.拉(力)；拖；牵引力17．float vi. & vt.(使)浮动；(使)漂浮 n．漂浮物18．mass n．质量；团；块；大量；(复)群众●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．block out挡住(光线)7．cheer up感到高兴；感到振奋8．now that 既然9．break out突发；爆发10．watch out密切注视；当心；提防11．cool down 冷却12．as well as 也；还有……13．depend on依靠；依赖，取决于14．get close to 靠近●重点句型1．This produced a chain reaction, which made it possible for life to develop. 这就形成一个连锁反应，使生命发展成为可能。
高中英语真题：Unit4 Astronomy-thescienceofthestars_6
Unit4 Astronomy:thescienceofthestarsⅠ.阅读理解AYou'd like to employ a person to help take your business to th e next level, but you may find that there are a large number of employment websites on the Internet. Which one is your best choice? Here are four websites (in no particular order) that ca n help you get into a pool of job applicants (申请人)．LinkedInAs you probably already know, LinkedIn is a site where job applicants post resumes (简历) and exchange ideas. The site has more than 135 million members, many of whom may be looking for a new position. The cost to post a job opening on LinkedIn depends on the ge ographic location of the position. For example, in the Greater Pittsburgh area, a 30day job posting costs $195.CraigslistCraigslist isn't just a place for finding an apartment or sellingyour old couch. The website has an area devoted to employ ment in big cities. Employers can post jobs to find suitable em ployees. Posting in some markets is free, but in others, it cost s $25 to $75.MonsterFounded in 1994, Monster has grown to one of the most popu lar employment websites. It offers pages of advice about care er management and employment searches. Monster also pro vides apps for mobile phones, making it more convenient for people to post their job openings. Job postings on Monster co st from $210 to $395.JobsterJobster users can create interesting online profiles (简介) containing information about employment and educational history. The site uses an active method in which employers c an contact interested applicants. Employers can post as many jobs as they want for only $75 per month.【文章大意】本文主要介绍了四个可靠的招聘网站。
高中英语必修三Unit4《Astronomy：thescienceofthestars》教学课件
“so…that…如此……以 至于
我们做得很好,被邀请与我们 学校的所有学生分享我们的 想法和经验。 We did__s_o__w__e_l_l_t_h_a_t__w__e___ __w_e__r_e_i_n_v__it_e_d__t_o__s_h__a_r_e__o_u_r_ __id__e_a_s__a_n__d__e_x_p_e__r_ie_n__c_e_____ __w_i_t_h___all the students of
基础自主梳理
Ⅱ.填一填(阅读识其义)
1. fundamental adj. 基本的; 基础的 2. chain n. 链子; 连锁; 锁链 3. multiply vi. & vt. 乘; 增加 4. oxygen n. 氧 5.carbon n. 碳
基础自主梳理
Ⅲ.用一用(语境推意)
1. [2018·全国卷Ⅱ] That prevented the emission (排放) of 51.8 million tons of carbon dioxide. 二氧化碳 2. However, on September 12, 1933, physicist Leo Szilard invented the neutron-induced(中子诱导) nuclear chain reaction. 连锁,一系列
基础自主梳理
背句型(课本这样讲)
记公式(公式这样记)
仿句子(高考这样考)
2. [2017·浙江卷·书面表达]
2.This produced a chain reaction,___w_h__ic_h___m__a_d_e__i_t__ _p_o_s__s_ib__le_______for life to develop. 这引起了连锁反应,为生命的
高中英语 Unit 4 Astronomy the science of the stars Per
课前预习 基础落实
词语识记 Ⅰ.单词检测 1. astronomy n. 2. system n. 3. religion n. 4. theory n. 5.violent adj. 6.atmosphere n. 7.unlike prep.
天文学 系统；体系；制度 宗教；宗教信仰 学说；理论 猛烈的；激烈的；强暴的 大气层；气氛 与……不同；不像
地球开始变得如此激烈动荡以至于不知道这个固体形状是 否会继续存在下去。
答案
3.So whether life will continue on the earth for millions of years to come will depend on whether this problem can be solved. 句式分析：这是一个复合句。第一个whether引导 主语 从 句 ； 第 二 个 whether引导 宾语 从句。 自主翻译：所以，在未来的数百万年中，生命能否在地球上延续取决于 这个问题能否得到解决。
答案
8. fundamentaladj. 9. harmful adj. 10.chain n. 11.multiply vi.&vt. 12.exist vi. 13. thus adv. 14. puzzlen.
vt.&vi.
基本的；基础的 有害的 链子；连锁；锁链 乘；增加 生存；存在 因此；于是 迷；难题 (使)迷惑；(使)为难
It collided with Asia ， creating one of the world’s greatest mountain ranges，which extends for more than 2,400 kilometers—the Himalayas.By now，our world had started to look like something we would recognize.The amazing process of plate tectonics(板块构造)，in which the Earth’s land masses move slowly across the Earth’s crust(外壳)，is still continuing.
人教版高中英语必修三Unit4Astronomy：thescienceofthestars课文知识点解析
Unit 4 Astronomy：the science of the stars 课文知识点解析Warming UpDiscuss in pairs which science subjects are part of medicine,biochemistry,geophysics or astronomy.分组讨论哪些科学科目是医学，生物化学，地理学或天文学的一部分。
in pairs=two at a time=in twos一次两个，两个一组e.g.Shoes and slippers are sold in pairs.鞋子都是论双卖的。
注意：in+数词/名词（数词/名词以复数形式）e.g.in threes and fours 三三两两的in groups 成群的思维拓展in在这里表示：以……数量/形式、形状等。
e.g.Tourists queue in thousands to see the tomb. 游客数以千计排着队看陵墓。
Reading1.The problem was that the earth became violent because it was not clearwhether the solid shape was to last or not.这一问题变得越来越不确定，因为这一球体形状是否能够维持尚未明朗。
(1)violent adj. 猛烈的；激烈的；强暴的a violent language 激烈的语言a violent storm 猛烈的风暴a violent 猛攻思维拓展violence n.［U］1.暴力，强暴2.猛烈，剧烈，强烈(2)whether...or not... “是……还是……”在这里是主语从句,它还可以引导宾语从句、表语从句、同位语从句和状语从句。
e.g.I don’t know whether he will agree with me.（宾语）我不知道他是否同意我的观点。
高中英语Unit4Astronomythescienceofthestars天文学专业词汇素材新人教
天文学专业词汇CAMC, Carlsberg Automatic Meridian 卡尔斯伯格自动子午环Circlecannibalism 吞食cannibalized galaxy 被吞星系cannibalizing galaxy 吞食星系cannibalizing of galaxies 星系吞食carbon dwarf 碳矮星Cassegrain spectrograph 卡焦摄谱仪Cassini 〈卡西尼〉土星探测器Cat's Eye nebula （ NGC 6543 ）猫眼星云CCD astronomy CCD 天文学CCD camera CCD 照相机CCD photometry CCD 测光CCD spectrograph CCD 摄谱仪CCD spectrum CCD 光谱celestial clock 天体钟celestial mechanician 天体力学家celestial thermal background 天空热背景辐射celestial thermal background radiation 天空热背景辐射central overlap technique 中心重迭法Centaurus arm 半人马臂Cepheid distance 造父距离CFHT, Canada-Franch-Hawaii Telecope 〈CFHT〉望远镜CGRO, Compton Gamma-Ray Observatory 〈康普顿〉γ射线天文台chaos 混沌chaotic dynamics 混沌动力学chaotic layer 混沌层chaotic region 混沌区chemically peculiar star 化学特殊星Christmas Tree cluster （ NGC 2264 ）圣诞树星团chromosphere-corona transition zone 色球-日冕过渡层chromospheric activity 色球活动chromospherically active banary 色球活动双星chromospherically active star 色球活动星chromospheric line 色球谱线chromospheric matirial 色球物质chromospheric spectrum 色球光谱CID, charge injected device CID、电荷注入器件circular solution 圆轨解circumnuclear star-formation 核周产星circumscribed halo 外接日晕circumstellar dust disk 星周尘盘circumstellar material 星周物质circumsystem material 双星周物质classical Algol system 经典大陵双星classical quasar 经典类星体classical R Coronae Borealis star 经典北冕 R 型星classical T Tauri star 经典金牛 T 型星Clementine 〈克莱芒蒂娜〉环月测绘飞行器closure phase imaging 锁相成象cluster centre 团中心cluster galaxy 团星系COBE, Cosmic Background Explorer 宇宙背景探测器coded mask imaging 编码掩模成象coded mask telescope 编码掩模望远镜collapsing cloud 坍缩云cometary burst 彗暴cometary dynamics 彗星动力学cometary flare 彗耀cometary H Ⅱ region 彗状电离氢区cometary outburst 彗爆发cometary proplyd 彗状原行星盘comet shower 彗星雨common proper-motion binary 共自行双星common proper-motion pair 共自行星对compact binary galaxy 致密双重星系天文学专业词汇compact cluster 致密星团; 致密星系团compact flare 致密耀斑composite diagram method 复合图法composite spectrum binary 复谱双星computational astrophysics 计算天体物理computational celestial mechanics 计算天体力学contact copying 接触复制contraction age 收缩年龄convective envelope 对流包层cooling flow 冷却流co-orbital satellite 共轨卫星coplanar orbits 共面轨道Copernicus 〈哥白尼〉卫星coprocessor 协处理器Cordelia 天卫六core-dominated quasar （ CDQ ）核占优类星体coronal abundance 冕区丰度coronal activity 星冕活动、日冕活动coronal dividing line 冕区分界线coronal gas 星冕气体、日冕气体coronal green line 星冕绿线、日冕绿线coronal helmet 冕盔coronal magnetic energy 冕区磁能coronal red line 星冕红线、日冕红线cosmic abundance 宇宙丰度cosmic string 宇宙弦cosmic void 宇宙巨洞COSMOS 〈COSMOS〉底片自动测量仪C-O white dwarf 碳氧白矮星Cowling approximation 柯林近似Cowling mechnism 柯林机制Crescent nebula （ NGC 6888 ）蛾眉月星云Cressida 天卫九critical equipotential lobe 临界等位瓣cross-correlation method 交叉相关法cross-correlation technique 交叉相关法cross disperser prism 横向色散棱镜crustal dynamics 星壳动力学cryogenic camera 致冷照相机cushion distortion 枕形畸变cut-off error 截断误差Cyclops project 〈独眼神〉计划D abundance 氘丰度Dactyl 艾卫dark halo 暗晕data acquisition 数据采集decline phase 下降阶段deep-field observation 深天区观测density arm 密度臂density profile 密度轮廓dereddening 红化改正Desdemona 天卫十destabiliizing effect 去稳效应dew shield 露罩diagonal mirror 对角镜diagnostic diagram 诊断图differential reddening 较差红化diffuse density 漫射密度diffuse dwarf 弥漫矮星系diffuse X-ray 弥漫 X 射线diffusion approximation 扩散近似digital optical sky survey 数字光学巡天digital sky survey 数字巡天disappearance 掩始cisconnection event 断尾事件dish 碟形天线disk globular cluster 盘族球状星团dispersion measure 频散量度dissector 析象管distance estimator 估距关系distribution parameter 分布参数disturbed galaxy 受扰星系disturbing galaxy 扰动星系Dobsonian mounting 多布森装置Dobsonian reflector 多布森反射望远镜Dobsonian telescope 多布森望远镜dominant galaxy 主星系double-mode cepheid 双模造父变星double-mode pulsator 双模脉动星double-mode RR Lyrae star 双模天琴 RR 型星double-ring galaxy 双环星系DQ Herculis star 武仙 DQ 型星dredge-up 上翻drift scanning 漂移扫描driving system 驱动系统dumbbell radio galaxy 哑铃状射电星系Du Pont Telescope 杜邦望远镜dust ring 尘环dwarf carbon star 碳矮星dwarf spheroidal 矮球状星系dwarf spheroidal galaxy 矮球状星系dwarf spiral 矮旋涡星系dwarf spiral galaxy 矮旋涡星系dynamical age 动力学年龄dynamical astronomy 动力天文dynamical evolution 动力学演化。
(完整版)人教版高中英语必修三课文翻译_0
---------------------------------------------------------------最新资料推荐------------------------------------------------------人教版高中英语必修三课文翻译人教版高中英语必修三课文翻译人教版高中英语必修三课文翻译译篇一：人教版高中英语必修三课文翻译4-5 Unit 4 Astronomy:the science of the stars Reading 地球上生命的起源没有人确切知道地球是怎样开始形成的，因为在很早很早以前它就形成了。
然而，一种普通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。
然后，原子开始形成并结合成恒星和其他天体。
没有人确切知道地球是怎样开始形成的，因为在很早很早以前它就形成了。
然而，一种普通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。
然后，原子开始形成并结合成恒星和其他天体。
大爆炸后好几十亿年过去了，但地球还只是一团尘埃。
随后它会变成什么没人能知道，直到大爆炸后好几十亿年过去了，但地球还只是一团尘埃。
随后它会变成什么没人能知道，直到 38-45 亿年前，这团尘埃才慢慢地形成一个固体的球状物。
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1/ 26在下去。
它（地球）猛烈的爆炸喷出了烈火与岩石。
最终产生了碳、氮气、水蒸气和其他多种气体，从而形成了地球的大气层。
更为重要的是，地球冷却了下来，地球的表面就开始出现了水。
亿年前，这团尘埃才慢慢地形成一个固体的球状物。
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。
它（地球）猛烈的爆炸喷出了烈火与岩石。
最终产生了碳、氮气、水蒸气和其他多种气体，从而形成了地球的大气层。
更为重要的是，地球冷却了下来，地球的表面就开始出现了水。
在火星这些其他行星上都出现了水，但和地球不同的是，这些水后来都消失了。
高中英语 Unit 4《Astronomy the science of the stars
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gravity, by chanceb重点句子I heard about how the idea of gravity has developed over a long period of time.Pick out the information and draw lines from the list to where the things are on the suit of the astronaut.2 Ability goals 能力目标Enable the Ss to understand the different ideas about gravity.Enable the Ss to have a good understanding of the force of gravity in order to enjoy the stories fully and to become more involved and excited aboutstudying space and the stars.3. Learning ability goals 学能目标Enable the Ss to appreciate that the science fiction stories are imaginary but based on fact. Teaching important points教学重点Listen to the material about the detailed information about different scientists and their ideas. Complete the form , make True or False judgement and answer questions.Teaching difficult points教学难点Discuss with partners and have a debate to find out ways to solve the problems about what a spacesuit should be like.Teaching methods教学方法a. Discussionb. Listeningc Cooperative learningd. DebatingTeaching aids教具准备A recorderTeaching procedures & ways教学过程与方式Step I. RevisionCheck homework exercise.Part3 (P29):Part3 (P64):1.With the development of science and technology,people have come to depend more and more on the computer to deal with all kinds of things. 2.Now that many problems exist which cannot besolved, wars will probably break out.3.He gradually got the hang of this method ofresearch after many years’ practice.4.The presence of that famous director cheered upall the people at the meeting.5.We should find some ways to prevent the harmfulgas from spreading.6.He is already exhausted. We should lessen hispain instead of disappointing him.Step II. Listening (Using language)1.The Ss will hear different ideas about gravity of three scientists, and then fill in the blanks. T: Have you heard of Isaac Newton? How much do you know about him?S1: He’s English.S2: He set up an idea which is called “gravity”. T: What’s his idea about?S3: Gravity made everything fall back to the earth.T: Have you heard of Albert Einstein?S4: Yes. He’s a Jew. And he’s famous for his Theory of Relativity.T: How much do you know Stephen Hawking?S5: Sorry, not very much. I know him just from the passage on Page64,Workbook..T: It doesn’t matter if you don’t know them much. Today we’ll get more information about them. Turn to Page30. Go through Part1 quickly.2.Listen to the tape three or four times and pause where it’s necessary. Then check the answers with the whole class.T: Are you ready? Let’s listen for the first time. Please pay attention to the date.(Play the tape.)T: Have you got the answers?S1: Yes. Isaac Newton lived from 1642 to 1727. Albert Einstein lived from 1879 to 1955. StephenHawking was born in 1942.T: Let’s listen to the tape again. Please pay attention to the idea.(Play the tape again.)T: Have you got the answers?S2: Yes. Isaac Newton: Everything falls back to the earth because of a pull called gravity.S3:Albert Einstein: Gravity is different in space.S4: Stephen Hawking: Black holes would eat stars and they may also push stars out into space.T: Excellent answers! Have you got other information? Or, What was their gravity about?S5: Newton’s gravity is about earth.S6: Einstein’s idea about gravity was about universe.S7: Hawking’s idea was about black holes.T: I think we’ve solved this problem. Now readfour sentences in Part2, decide which the best idea is. If you are not sure, we will listen to the tape for the last time.(After play the tape.)T: Which one is the best?S8: No.3.T: Why No.3? What’s wrong with the other three? S9:Our listening passage didn’t mention how three men made mistakes. It only mentionedthat other scientists found they made mistakes.So No.1 is not correct.S10:No.2 is not true because the three scientists wanted to explain how the universe worked andnot how it began..S11:No.4 is too general and it doesn’t give enough details.T:Your explanations are enough. So we choose No.3. Then turn to Page62, Listening.Step III Listening (WB P62)1.Part1.T: Who’s Yang Liwei?S1: He’s our hero who traveled into space on October15,2003.T: What’s the name of the spaceship?S2: Shenzhou V.T: Do you know what education and experience you need to become an astronaut?S3: No.T: OK. Now we’ll listen to a conversation between Yang Liwei and a reporter. First, go through the six sentences in Part1. Now listen to the tape. (After listening)T: Have you got that? Now read the sentences and tell us True or False. If it’s not true, correct it.Ask students to read them and check the answerswith the whole class.Answers: FFTTTT2.Part2.T: Now focus your attention on Part2. Then we’ll listen to the tape again..Play the tape and pause when the students need to write information down. Then collect answers.3.Part3.First ask Ss to talk about the answer. If necessary play the tape again for Ss to check the answer. Answers: 1.There’s a special seat to throw him out of the space rocket if things went wrong.There are also a special door for another space rocket to rescue him2.The answer can be different.Step IV Listening Task (P65)T: Do you want to have a space walk?S: Yes, of course..T: But you know it’s dangerous, and it needsa great deal of practice. You should also weara spacesuit. The spacesuit needs someequipment. Do you know each part of theequipment?S: We’re not clear.T: Now listen to the tape. Then you’ll get it. Play the tape twice or three times to finish Part1 and 2.Key to Part1: CKey to Part2: 1.oxygen can (on the back) 2.water system (the part of the suit coveringthe body) 3.gravity boots (on the feet)4.left engine (on the left side)5.rightengine (on the right side) 6.tool kit(on the waist, at the back)Step V HomeworkToday we have listened to three materials. After class, you should listen to them again and sum up what you have learnt from them. For the homework, think about a question: What needs to be an astronaut?。
高中英语 Unit 4 Astronomy：the science of the stars课件
答案：①by turns ②by turns/in turn ③in their turn ④take turns to
8．(教材原句 P27)How life began on earth is one of the biggest puzzles that scientists found hard to solve.
7．(教材原句 P26)Thus they have，in their turn， become the most important animals on the planet.
于是，他们接着成为这个行星上最重要的动物。
归纳拓展 in turn 依次；轮流；相应地；转而；反过来 by turns 轮流；交替 take turns to do sth 轮流做某事 It's one's turn to do sth 轮到某人做某事
【考点警示】 exist 没有被动语态和进行时。
即学即练
用上述词语填空。 ①One cannot ________ without air. ②He thought that if he couldn't see something, it didn't ________ . ③You may be stuck with a miserable ________ for the rest of your life. 答案：①exist ②exist ③existence
④I was very interested in the lecture，________many of the students.
答案：①dislikes ②unlike ③disliked ④unlike
4．(教材原句 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.
高考英语复习Unit4Astronomy：thescienceofthestars新人教版必修市赛课
23.crash vi.& vt._碰__撞__；__坠__落__ 24.float vt.& vi._(使__)_浮__动__；__(_使__)漂__浮___
(n.)漂__浮__物__ 25.exhaust vt.用尽；耗尽；使精疲力尽
(1) exhausted adj.感到筋疲力尽 exhausting adj.令人疲劳
索两种截然不一样观点；第三段：总结自己观点。特色以下： 巧用被动语态引出话题；利用现在完成进行时表示中国人民一直以
来梦想；利用含有目标状语从句复合句总结自己观点。写作过程中使 用过渡和衔接词汇，如however，in their opinion，in addition， personally等，确保行文连贯，过渡自然。
Different students have different opinions. The majority are in favor of space exploration because the Chinese people
have been dreaming of going into outer space for a long time. It will help China to take part in the international competition in the future. However，some students argue against it. In their opinion，space exploration increases the economic burden. In addition，as a developing country，China should try to solve other social problems.