高中英语必修三-课文详解Book3-unit4.doc
《高中英语必修三-课文详解Book3-unit4.doc》由会员分享,可在线阅读,更多相关《高中英语必修三-课文详解Book3-unit4.doc(5页珍藏版)》请在咨信网上搜索。
1、5必修三 Unit 4 课文详解 杨磊译注必修三 Unit 4 Astronomy: the Science Of The Stars天文学:恒星的科学IVocabularyastronomy n.天文学 astronomer n.天文学家solar system 太阳系religion n.宗教;宗教信仰theory n.学说;理论Big Bang宇宙大爆炸;创世大爆炸atom n.原子globe n.球体;地球仪;地球violent adj.猛烈的;激烈的carbon n.碳nitrogen n.氮vapour n.蒸汽;水蒸气atmosphere n.大气层;气氛fundamental
2、adj.基本的;基础的dissolve vt. & vi.溶解;解散harmful adj.有害的get the hang of熟悉;掌握;理解break out突发;爆发acid n.酸reaction n.反应;回应multiply vi. & vt.乘;增加oxygen n.氧shellfish n.水生有壳动物amphibian n.两栖动物reptile n.爬行动物;爬虫lay eggs 下蛋dinosaur n.恐龙exist vi.存在;生存mammal n.哺乳动物give birth to产生;分娩in ones turn轮到某人;接着carbon dioxide二氧化碳p
3、reventfrom阻止;制止puzzle n.迷;难题 vt. & vi.exhaust vt.用尽;耗尽;使精疲力竭cabin n.小屋;船舱biologist n.生物学家 biology n.生物学gravity n.万有引力;重力satellite n.卫星;人造卫星gentle adj.温和的;文雅的geologist n.地质学家physicists n.物理学家block out 挡住(光线)extinct adj.灭绝的;绝种的climate n.气候comet n.彗星crash vi. & vt.碰撞;坠落lessen vi. & vt.减少;减轻cheer up 感到高
4、兴;感到兴奋weightlessly adv.失重地mass n.质量;团;块;大量now that 既然watch out密切注意;当心;提防IIReading HOW LIFE BEGAN ON THE EARTH 地球上的生命是怎样开始的No one knows exactly how the earth began, as it happened so long ago. 由于地球的产生是那么的久远,所以没有人确切知道地球是怎样产生的。【注释:as it happened 碰巧 eg. They were all out, as it happened.真巧, 他们全出去了。】 How
5、ever, according to a widely accepted theory, the universe began with a “Big Bang” that threw matter in all directions.然而,根据一个广泛接受的理论,宇宙开始于一次“创世大爆炸”,该爆炸将物质抛向各个方向。【注释:in all directions四面八方;各个方向 eg. The birds flew away in all directions when he fired a salute with a“bang”.当他“砰”的一声鸣礼炮时,鸟飞向各个方向。】 After t
6、hat, atoms began to form and combine to create stars and other bodies.之后,原子开始形成,并结合形成恒星和其他物体。For several billion years after the “Big Bang”, the earth was still just a cloud of dust.就在“宇宙大爆炸”之后的几十亿年间,地球依然是一团尘埃。 What it was to become was uncertain until between 4.5 and 3.8 billion years ago when the
7、dust settled into a solid globe.这一团尘埃会变成什么还不能确定,直到45亿至38亿年前,这团尘埃才形成一个固定的球体。【注释:settle into有头绪, 上正轨 eg. Things soon settled into shape.事情很快有了头绪。】 The earth became so violent that it was not clear whether the shape would last or not.地球变得如此剧烈,以致于它能否持续下来还不清楚。【注释:so that如此以致于:eg. The words tumbled out so
8、 fast that I could barely hear them.话说得那么快,我几乎都听不清。 it was not clear whether the shape would last or not.句中的it是形式主语,真正的主语是whether the shape would last or not.】 It exploded loudly with fire and rock. “大爆炸”发生时伴有(艳丽的)火焰和岩石。【注释:explode vt. & vi.使爆炸;爆发 explode with anger勃然大怒;explode with laughter哄然大笑;exp
9、lode into laughter突然大笑起来;explode into pieces炸得粉碎。 如:Many people were injured when the boiler exploded.锅炉爆炸时,许多人受了伤。】 They were in time to produce carbon, nitrogen, water vapour and other gases, which were to make the earths atmosphere.他们最终形成了碳、氮、水蒸气和其它气体,而这些就构成了地球的大气。【注释:in time (1)迟早, 最后 eg. In tim
10、e youll forget him.你迟早会忘了他的。 (2)及时, 不迟 eg. He is believed to arrive in time.相信他会及时到达。 against time争分夺秒地,尽快地 eg. he was working against time.他正争分夺秒地工作。 ahead of time提前,提早 eg. We completed the work five days ahead of time.我们提前五天完成工作。 all the time一直,始终 eg. I have been busy all the time.我一直很忙。 at no tim
11、e绝不,在任何情况下都不 eg. At no time will we give up.我们绝不屈服。 in no time立刻,马上 eg. Ill be back in no time.我马上就回来。 at one time曾经; at a time一次; at the same time同时,然而,可是;from time to time有时,偶尔 考题: 1. _, I lost heart in English learning,but my teacher often said to me,“Keep on studying hard, and youll succeed _.”A
12、 At a time;in time BAt a time;on time CAt one time;in time DAt one time;on time2. Does he often ask you for help? Oh,no,only_.Aall the time Bat one time Cat a time Dat times 3I am afraid I cant return the book to you before Friday. _. ADont be afraid BBe careful CNot at all DTake your time 】 What is
13、 even more important is that as the earth cooled down, water began to appear on its surface.更为重要的是:当地球冷却下来后,水开始在地球表面出现了。【注释:what is even more important是由what引导的名词从句作主语;thaton its surface是由that引导的名词从句作表语,系表语从句,在这个表语从句中又含有由as引导的时间状语从句。what is more 而且, 此外; 更有甚者 eg. They are going to get married, and wh
14、ats more they are setting up in business together.他们就要结婚了, 而且还要一起做生意呢。】Water had also appeared on other planets like Mars but unlike the earth, it had disappeared later.水在其它行星上如火星也出现过,不过,不像地球上,它消失了。 It was not immediately obvious that water was to be fundamental to the development of life.(但),这并没有立刻
15、就表明:水是生命发展的必要部分。【注释:fundamental adj.基本的; 重要的, 必要的 eg. Fresh air is fundamental to good health.新鲜空气对健康是不可缺少的。It was not immediately obvious that句中的“it”是形式主语,that从句是真正的主语从句。 】 What many scientists believe is that the continued presence of water allowed the earth to dissolve harmful gases and acids int
16、o the oceans and seas.许多科学家认为水的持续存在让地球将有害的气体和酸溶解到海洋中去。【注释: What many scientists believe是由what引导的主语从句,作整个句子的主语。 dissolve vt. & vi.(使)溶解 eg. The sun dissolves snow.太阳使雪融化。harmful adj. 有害的;伤害的 be harmful to对有害处 eg. Smoking is harmful to your health.吸烟有害健康。 do sb. harm/ do harm to sb.对某人有害; do more harm
17、 than good弊大于利; There is no harm in (sbs) doing sth.(= It does no harm (for sb.) to do sth.)做某事无害处; come to harm身体上、精神上或道义上受到损害;do sb. good/ do good to sb.对某人有好处。如: 1) The court case will do serious harm to my business.这起诉讼案件将严重损害我的生意。 2) My brothers ship was caught in a storm but he came to no harm
18、.我兄弟的船遇上了暴风雨, 但他没出事。 3) You should do good to others.你应该对人行善。 4) If we interfere, it may do more harm than good.如果我们干预的话, 可能弊多利少。】 This produced a chain reaction, which made it possible for life to develop.这产生了一系列的反应,这种反应使得生命的产生成为可能。【注释:made it possible for life to develop中的 “it”是形式宾语,真正的宾语为for life
19、 to develop.】Many millions of years later, the first extremely small plants began to appear on the surface of the water.数百万年之后,在水的表面上开始出现最初的极其微小的植物。【注释:extremely adv.极端;极其;非常 eg. 1) That is extremely interesting.那极为有趣。 2) Outwardly she looked confident but in reality she felt extremely nervous.表面上她显
20、得很自信,其实她非常紧张。】 They multiplied and filled the oceans and seas with oxygen, which encouraged the later development of early shellfish and all sorts of fish.他们开始繁殖,并使得海洋充满了氧气,而这又激励了早期的贝壳类动物和所有鱼类的发展。【注释:multiply (1)乘, (使)相乘 eg. 1) His son is learning to multiply and divide.他儿子正在学习乘法和除法。 2) One can make
- 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:
- 高中英语 必修 课文 详解 Book3 unit4 编辑 修改 word
1、咨信平台为文档C2C交易模式,即用户上传的文档直接被用户下载,收益归上传人(含作者)所有;本站仅是提供信息存储空间和展示预览,仅对用户上传内容的表现方式做保护处理,对上载内容不做任何修改或编辑。所展示的作品文档包括内容和图片全部来源于网络用户和作者上传投稿,我们不确定上传用户享有完全著作权,根据《信息网络传播权保护条例》,如果侵犯了您的版权、权益或隐私,请联系我们,核实后会尽快下架及时删除,并可随时和客服了解处理情况,尊重保护知识产权我们共同努力。
2、文档的总页数、文档格式和文档大小以系统显示为准(内容中显示的页数不一定正确),网站客服只以系统显示的页数、文件格式、文档大小作为仲裁依据,平台无法对文档的真实性、完整性、权威性、准确性、专业性及其观点立场做任何保证或承诺,下载前须认真查看,确认无误后再购买,务必慎重购买;若有违法违纪将进行移交司法处理,若涉侵权平台将进行基本处罚并下架。
3、本站所有内容均由用户上传,付费前请自行鉴别,如您付费,意味着您已接受本站规则且自行承担风险,本站不进行额外附加服务,虚拟产品一经售出概不退款(未进行购买下载可退充值款),文档一经付费(服务费)、不意味着购买了该文档的版权,仅供个人/单位学习、研究之用,不得用于商业用途,未经授权,严禁复制、发行、汇编、翻译或者网络传播等,侵权必究。
4、如你看到网页展示的文档有www.zixin.com.cn水印,是因预览和防盗链等技术需要对页面进行转换压缩成图而已,我们并不对上传的文档进行任何编辑或修改,文档下载后都不会有水印标识(原文档上传前个别存留的除外),下载后原文更清晰;试题试卷类文档,如果标题没有明确说明有答案则都视为没有答案,请知晓;PPT和DOC文档可被视为“模板”,允许上传人保留章节、目录结构的情况下删减部份的内容;PDF文档不管是原文档转换或图片扫描而得,本站不作要求视为允许,下载前自行私信或留言给上传者【天****】。
5、本文档所展示的图片、画像、字体、音乐的版权可能需版权方额外授权,请谨慎使用;网站提供的党政主题相关内容(国旗、国徽、党徽--等)目的在于配合国家政策宣传,仅限个人学习分享使用,禁止用于任何广告和商用目的。
6、文档遇到问题,请及时私信或留言给本站上传会员【天****】,需本站解决可联系【 微信客服】、【 QQ客服】,若有其他问题请点击或扫码反馈【 服务填表】;文档侵犯商业秘密、侵犯著作权、侵犯人身权等,请点击“【 版权申诉】”(推荐),意见反馈和侵权处理邮箱:1219186828@qq.com;也可以拔打客服电话:4008-655-100;投诉/维权电话:4009-655-100。