《创新设计-课堂讲义》2016-2017学年高中英语(人教版必修三)文档 UNIT 4 ASTRONOMY THE SCIENCE OF THE STARS 配套文档UNIT 4 PERIOD ONE WORD版含答案.docx
- 1.请仔细阅读文档,确保文档完整性,对于不预览、不比对内容而直接下载带来的问题本站不予受理。
- 2.下载的文档,不会出现我们的网址水印。
- 3、该文档所得收入(下载+内容+预览)归上传者、原创作者;如果您是本文档原作者,请点此认领!既往收益都归您。
下载文档到电脑,查找使用更方便
7 0人已下载
| 下载 | 加入VIP,免费下载 |
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 创新设计-课堂讲义
- 资源描述:
-
1、Will the continents join again in the far future?In the beginning,more than 4.6 billion years ago,the world was a ball of burning gas,going round and round through space.At first,hot gases were able to escape into outer space,but as the Earth cooled,they were held by gravity to form the early atmosp
2、here.Clouds began to develop as water vapour collected in the air.And then it began to pour with rain,causing the early oceans to rise up.It took hundreds of millions of years for the first land masses to appear.About 250 million years ago,long,long after the Earth had formed,all the continents of t
3、he time had joined together to form a supercontinent called Pangaea.This supercontinent broke up about 200 million years ago to form two giant continents,Gondwana and Laurasia.Gondwana was made up of what is now Africa,South America,Australia,Antarctica and India.The Indian subcontinent lay off the
4、east coast of Africa,before it broke off and moved north rapidly.It collided with Asia,creating one of the worlds greatest mountain ranges,which extends for more than 2,400 kilometersthe Himalayas.By now,our world had started to look like something we would recognize.The amazing process of plate tec
5、tonics(板块构造),in which the Earths land masses move slowly across the Earths crust(外壳),is still continuing.Far in the future,some scientists have predicted that the present continents will join again,to form a new supercontinent.Only time will tell.1.Pangaea n.海洋泛大陆;盘古大陆2.giant adj.巨大的3.collide vi.碰撞,
6、相撞判断正(T)误(F)1.The early oceans appeared because of the rain which developed from hot gases.(T)2.Pangaea was made up of what is now Africa,South America,Australia,Antarctica and India.(F)3.Only time will tell whether the present continents will join again.(T)Period OneWarming Up,Prereading & Reading.
7、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4.theory n.学说;理论5.violent adj.猛烈的;激烈的;强暴的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10.chain n.链子;连锁;锁链11.multiply vi.&vt.乘;增加12.exist vi.生存;存在13.thus adv.因此;于是14.puzzle n.迷;难题;vt.&vi.(使)迷惑;(使)为难.短语检测
8、1.solar system 太阳系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 ones turn轮到某人7.prevent.from 阻止;制止.阅读课文,匹配各段落大意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 the formation of the universe.Para.4
9、(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.阅读课文,判断正(T)误(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
10、 gases were produced.(F)3.The global warming will have a great effect on human beings.(T).课文阅读理解1.What began to appear on the earths 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 wor
11、d “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 animalsshellfishdinosaursmammals.B.Shellfishdino
12、saurssmall clever animalsmammals.C.Shellfishdinosaursmammalssmall 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 liv
13、e on land as well as in the water.答案A.阅读课文,完成框架图.难句分析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.句式分析:这是一个复合句。what引导主语从句,在从句中作宾语。what引导的名词性从句除了作主语外,还可以作宾语、表语等。自主翻译:随后它会变成什么没人能知道,直到4538亿年前,这团尘埃才慢慢地形成一个固体的球状物。2.The earth be
14、came so violent that it was not clear whether the shape would last or not.句式分析:这是一个复合句。此处为连词so.that.引导的结果状语从句,其中从句中的it为形式主语,连词whether引导的从句为真正的主语。自主翻译: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。3.So whether life will continue on the earth for millions of years to come will depend on whether this problem can b
15、e 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。1.violent 语境感悟(1)(教材P25)The earth became so violent that it was not clear whether the shape would last or not.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。(2)When the man got drunk,he became very violent.当喝醉酒时,这人变
16、得很粗暴。(3)Whatever happens,we will never use violence.无论发生什么,我们决不会使用暴力。归纳拓展(1)violent adj.猛烈的;激烈的;强暴的(2)violently adv.猛烈地;凶猛地(3)violence n.暴力;暴行;激情with violence猛烈地;强有力地take.by violence强夺即时跟踪(1)用violent的正确形式填空Larry was in violent pain.As a result,he behaved violently and treated everything with violenc
17、e.(2)完成句子为什么一些火山比另外一些火山喷发得更猛烈?Why are some volcanic eruptions more violent than others? 他昨天赶上了暴风雨。He was caught in a violent storm yesterday.2.unlike语境感悟(1)(教材P26)Water had also appeared on other planets like Mars but,unlike the earth,it had disappeared later.在火星等其他行星上也出现了水,但不像在地球上一样,这些水后来消失了。(2)Its
18、 very unlike him to be so late.迟到这么久可实在不像他平时的作风。(3)He is likely to arrive a bit late.他可能会晚到一会儿。归纳拓展(1)unlike prep.与不同;不像;adj.不同的;相异的Its unlike sb.to do sth.做不像某人平常的样子(2)unlikely adj.不大可能发生的;未必会发生的(3)likely adj.可能的be likely to do sth.可能做某事Its likely that.有可能 图解助记即时跟踪(1)选词填空They are so unlike that nob
19、ody believes they are twins.Since their parents strongly disagree,they are unlikely to marry.He is more like his mother than his father.It is likely to rain.(2)完成句子有可能他不参加会议。Its likely that he will not attend the meeting.今年秋天约翰可能在伦敦。John is likely to be in London this autumn.3.harmful语境感悟(1)(教材P26)W
20、hat many scientists believe is that the continued presence of water allowed the earth to dissolve harmful gases and acids into the oceans and seas.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。(2)This object gives off harmful gases which are harmful to our health.此物散发出损害我们健康的气体。(3)There is no harm in wr
21、iting down your name on the form.在表格里写下你的名字不会有什么坏处。归纳拓展(1)harmful adj.有害的be harmful to.对有害(2)harmless adj.无害的(3)harm n.损害;伤害;vt.对有害;伤害;损害do sb.harm(good)/do harm(good)to sb.对某人有害(好)处There is no harm in doing sth.做某事无害处即时跟踪(1)同义句转换Watching TV too much does harm to your eyes.Watching TV too much is ha
22、rmful to your eyes.Asking your teachers for advice more often does no harm to you.There is no harm in asking your teachers for advice more often.(2)完成句子这种药对儿童有害,却对成年人没有什么害处。The medicine is harmful to/does harm to children but does no harm to adults.4.exist语境感悟(1)(教材P26)They laid eggs too and existed
23、 on the earth for more than 140 million years.它们也生蛋,在地球上存在了1亿4千多万年。(2)There exists a tall tree in front of my home.在我家门前有一棵很高的树。(3)Do you know when this kind of robot came into existence?你知道这种机器人是什么时候问世的吗?归纳拓展(1)exist vi.存在;生存exist in.存在于中exist on.靠生活/生存There exists.存在;有(2)existence n.存在;生活in existe
24、nce现存的;现有的come into existence产生;成立;开始存在注意:exist没有被动语态和进行时。 即时跟踪单句语法填空(1)He doesnt believe in the existence(exist) of ghosts(鬼).(2)Dinosaurs existed(exist) on the earth a long time ago.(3)Similar problems exist in other countries as well.(4)It was impossible for them to exist on such a small income.5
25、.puzzle语境感悟(1)(教材P27)How life began on earth is one of the biggest puzzles that scientists found hard to solve.地球上生命的起源是科学家们难以解决的最大难题之一。(2)Im in a puzzle as to how to get along with him.对于如何和他相处我感到困惑。(3)What puzzled me was why they had such a violent quarrel.令我不解的是他们为什么发生了如此激烈的争吵。归纳拓展(1)puzzle n.谜;难
26、题;vt.& vi.(使)迷惑;(使)为难be in a puzzle感到困惑;不知如何是好puzzle about/over冥思苦想;苦苦思索(2)puzzling adj.令人迷惑的(3)puzzled adj.感到迷惑的be puzzled about对迷惑不解 图解助记即时跟踪(1)用puzzle的正确形式填空The girl looked at her mother with a puzzled expression,which suggested that the problem was quite puzzling.(2)完成句子这个学生为下一步做什么而伤透了脑筋。The stu
27、dent was puzzled about what to do next.事实上,困扰你的事情对于很多中国的父母来说也是一个难题。What puzzles you is actually a puzzle to many parents in China.(3)单句改错The look on her face suggested she was uncertain about the math problem.1.in time语境感悟(1)(教材P25)They were in time to produce carbon dioxide,nitrogen,water vapour an
28、d other gases,which were to make the earths atmosphere.它们最终产生了二氧化碳、氮气、水蒸气和其他气体,从而形成了地球的大气层。(2)Fortunately,the firefighters arrived in time to save the child trapped in the building.幸运的是,消防员及时赶到救下被困在大楼里的孩子。(3)At no time in his life has he been braver than in that case.他一生中从来没有像那一回那么勇敢。归纳拓展in time及时;终
29、于;迟早;总有一天on time准时;按时at a time一次;每次at one time曾经;一度at times有时;偶尔in no time马上;立刻at no time绝不(置于句首时,句子常用倒装)即时跟踪(1)选词填空I feel him a little stubborn at times.Fortunately,a soldier came to rescue in time to save the drowning boy.Hurry up!The concert will begin in no time.At no time will I give in to the
30、difficulty.(2)单句改错I must hurry,because I want to get home time to see the football match on TV.You can only borrow two books from the library at time.2.give birth to语境感悟(1)(教材P26)These animals were different from all life forms in the past,because they gave birth to young baby animals and produced m
31、ilk to feed them.这些动物不同于以往所有的生命形态,因为它们能生产幼仔并给幼仔哺乳。(2)The scientists experiments gave birth to a new drug.那位科学家的实验产生了一种新药。(3)She is English by birth but French by marriage.她是英国血统,但嫁给了法国人。归纳拓展give birth to产生;分娩by birth出生;血统;天生地at birth一出生;出生时即时跟踪(1)完成句子无休止的选择让人们在生活中产生了焦虑。The endless choices give birth
32、 to anxiety in peoples lives.据说杰克逊生来就是黑人。Jackson was said to be a black man by birth.(2)单句改错The baby weighed seven pounds birth.3.in ones turn语境感悟(1)(教材P26)Thus they have,in their turn,become the most important animals on the planet.于是,它们接着成了这个行星上最重要的动物。(2)It will be in Toms turn to be on duty tomor
33、row.明天轮到汤姆值日。(3)All theories are from practice and in turn serve practice.所有的理论都来源于实践,并反过来为实践服务。归纳拓展in ones turn轮到某人;接着in turn依次;轮流;相应地;转而;反过来by turns轮流;交替take turns to do/in doing sth.轮流做某事Its ones turn to do sth.轮到某人做某事即时跟踪(1)用适当的介词填空They should take turns in looking after their old mother.We do s
34、ome cleaning by turns.(2)完成句子更为重要的是,我觉得该是我开始照顾父亲的时候了。More importantly,I found it was my turn to start looking after my father.他们接着为这项计划提了一些建议。They,in their turn, gave some advice for the plan.4.prevent.from.语境感悟(1)(教材P26)They are putting too much carbon dioxide into the atmosphere,which prevents hea
35、t from escaping from the earth into space.他们把过多的二氧化碳释放到大气层中,这就使得地球上的热量不能释放到太空中去。(2)Generally,parents dont permit their kids to do dangerous things,so they always prevent the kids from taking chances.一般来说,父母不允许孩子做危险的事情,因此他们总是阻止孩子们去冒险。归纳拓展阻止做某事keep sb.doing.使某人一直做protect.from/against.保护不受侵袭(from/again
36、st后接能带来伤害或损害之物)注意:在被动语态中,表示“阻止某人做某事”的三个短语都不能省略from。即时跟踪(1)用所给动词的正确形式填空Soldiers have been sent to prevent the fire (from) spreading(spread) to the next building.I dont want to be here any longer;they have kept us waiting(wait) for them for a long time.(2)完成句子他们被阻止进入燃烧着的大楼。They were stopped/prevented/
37、kept from entering the burning building.纸板箱不利于防止货物受损。Cardboard cases are not good at protecting the goods from/against damage.害怕(失败)使他不敢尝试。Fear prevented him from trying.(2015天津)(3)单句改错The plan can be prevented being carried out.由whether引导的名词性从句语境感悟(1)(教材P26)So whether life will continue on the eart
38、h for millions of years to come will depend on whether this problem can be solved.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。(2)Whether you can succeed or not depends on how hard you work at it.你能否成功取决于你努力的程度。(3)It is uncertain if he will leave for Beijing tomorrow.明天他是否去北京还不确定。归纳拓展教材原句是复合句,句中两个whether分别引
展开阅读全文
课堂库(九科星学科网)所有资源均是用户自行上传分享,仅供网友学习交流,未经上传用户书面授权,请勿作他用。
链接地址:https://www.ketangku.com/wenku/file-787750.html


2019届人教A版数学必修二同步课后篇巩固探究:2-1-1 平面 WORD版含解析.docx
