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1、 Unit 4 Astronomy:the science of the starsI.Translation.1.及时及时,总有一天总有一天 2.阻止阻止做某事做某事3.许多种类的许多种类的 整理，分类整理，分类 4.冷却冷却5.在在表面表面 6.成为成为一部分一部分7.使使成为可能成为可能 8.是是两倍远两倍远9.(时间时间)推移推移,走过走过10.地球引力地球引力11.感到振奋感到振奋 12.靠近靠近1.in time 2.prevent.from doing 3.all sorts of sort out4.cool down 5.on the surface of6.become p
2、art of 7.make it possible 8.twice as far as 9.go by 10.the force of gravity 11.cheer up 12.get close to I.Translation.13全球变暖全球变暖14.爆发爆发 15.小心，密切注意小心，密切注意 16 提前提前,提早提早 17 对对有害有害18 做某事的方法做某事的方法19 强迫某人做强迫某人做20 令人失望的是令人失望的是21.遍及全球遍及全球22.开始存在开始存在,成立成立23.大多数大多数24.伸展伸展,散开散开global warming break outWatch out
3、ahead of time do harm tothe method of doing force sb to doto ones disappointment all over the world come into existence the mass ofspread out课文复习课文复习1.太阳系太阳系2.生命的起源生命的起源3.However,according to a widely _ _(被广泛接受的理论被广泛接受的理论),the universe _ _(以以开始开始)a“Big Bang”that threw matter _ _ _(朝四面八方朝四面八方).4.They
4、 were _ _(及时及时)to produce carbon,nitrogen,water vapour and other gases,which were _ _ the earths _(后来注定成为地球的大气层后来注定成为地球的大气层)._ is even more important _ _ as the earth _ _,(冷却冷却)water began to appear on its surface.solar system the origin of life accepted theory begin with in all directions in time t
5、o make atmosphere What is that cooled down5.It was not immediately obvious that water was _ _ _ _(生命形成的基础生命形成的基础)the development of life._ many scientists believe is _ the _ _ of water(水水的长期存在的长期存在)allowed the earth to dissolve _ _(有毒的气体有毒的气体)and acids into the oceans and seas.This produced a _ _(连锁
6、连锁反应反应),which _ _ _(使之成为可能使之成为可能)for life to develop.6.在水的表面在水的表面各种各样的鱼各种各样的鱼在陆地在陆地长成森林长成森林仍然是个谜仍然是个谜 to be fundamental to What that continued presence harmful gases chain reaction made it possible on the surface of the water all sorts of fish on land grow into forest remain a mystery7.哺乳动物的兴起哺乳动物的兴
7、起 蔓延到全球蔓延到全球as a result=阻止热逃离地球进入太空阻止热逃离地球进入太空8.So _ life will continue on the earth for _ _ years _ _(未来的好几百年未来的好几百年)will _ _(取决于取决于)whether the problem can be solved.9.出发出发 重量减少了。重量减少了。接近月球接近月球10.I found I was carried _ _ _ _(两两倍远倍远)on the earth and fell over.the rise of mammals spread all over th
8、e earth thus prevent heat from escaping from the earth into space whether millions of to come depend on be off The weight lessened.get close to the moon twice as far asComplete the sentences:1.We got to the station just _ catch the train.（及时赶上）（及时赶上）If you keep on,you will succeed_.（迟早，总有一天）（迟早，总有一天
9、）in time toin time2.The prisoners _(靠靠生存生存)bread and water.When did the world _ _ _ (开始存在）开始存在）?=live on/feed onexisted oncome into existence=Come into being1.美国人每日的蛋白质的摄入量是他们所需的两倍美国人每日的蛋白质的摄入量是他们所需的两倍.American eat twice _ they actually need every day.2.南方的雨水比北方多南方的雨水比北方多2倍倍.The rain in South China
10、_ _ _ _that in North China.3.1994的总收入是的总收入是1992年的两倍年的两倍.The total income of 1994 was double that of 1992.(the total income)as much protein asis twice more than这条绳子是那条的这条绳子是那条的4倍长倍长.This rope is four times _ _ _that one.This rope is four times _ _of that one.This rope is three times _ _that one.as lo
11、ng asthe lengthlonger than7.generally:in general generally speaking=to be general frankly speaking=to be frank honestly speaking=to be honest 8.method the method of sth.有系统的方法有系统的方法/针对问题的特殊的方法针对问题的特殊的方法manner in a rude mannerway in the way means by means of 侧重手段侧重手段approach a new approach to foreign
12、 languages At the meeting they discussed three different _ to the study of maths.approachesMasses of books _ collected.Masses of money_ collected.areis*The masses are often the makers of history.9.mass *a mass of 大量的大量的 *a mass of informationLarge masses of cloudsThe school allowed the mass of child
13、ren to leave school at 16 with poor qualifications.(the majority of)人民群众人民群众*10.We watched,amazed as fire broke out on the outside of the spaceship as the earths gravity increased.1.He came in _.2.She arrived there,_.3._ and happy,Tony stood and accepted the prize.Surprised unnoticedexhausted1.既然你得到
14、了一个机会，不妨充分利用它。既然你得到了一个机会，不妨充分利用它。2.我们的成功取决于我们是否努力学习我们的成功取决于我们是否努力学习.3.你无论走那条路都通往市中心你无论走那条路都通往市中心.(whichever)Now that youve got a chance,you might as well make full use of it.Our success depends on whether we work hard or not.Whichever road you take will lead to the downtown.4.你必须向我们表明你不会放弃你必须向我们表明你不
15、会放弃.(make it.)5.随着时间的过去随着时间的过去,事情似乎变得越来越糟事情似乎变得越来越糟.6.你如果不听取他的建议迟早会后悔的你如果不听取他的建议迟早会后悔的.You must make it clear to us that you will never give up.As time went by,things seemed to get worse.If you dont follow his advice you will regret in time.1.既然既然 now that2.出生，诞生出生，诞生 give birth to3.掌握掌握 get the han
16、g of4.反之，依次反之，依次 in turn5.轮流做某事轮流做某事 take turns to do6.车辆进站车辆进站 pull in7.车辆驶出车辆驶出 pull out8.停车停车 pull up9.激烈的讨论激烈的讨论 an violent discussion10.友好的氛围友好的氛围 in a friendly atmosphere11.理论付诸实践理论付诸实践 Put theory into practice（三维设计）主要短语：（三维设计）主要短语：Translation:1.既然你得到了一个机会，不妨充分利用它。既然你得到了一个机会，不妨充分利用它。2.我们的成功取决于
17、我们是否努力学习我们的成功取决于我们是否努力学习.3.你无论走那条路都通往市中心你无论走那条路都通往市中心.(whichever)4.你必须向我们表明你不会放弃你必须向我们表明你不会放弃.(make it.)5.随着时间的过去随着时间的过去,事情似乎变得越来越糟事情似乎变得越来越糟.6.你如果不听取他的建议迟早会后悔的你如果不听取他的建议迟早会后悔的.Period 2 1.system 2.oxygen 3.climate 4.theory 5.unlike 6.globe 7.biology 8.satellite 9.gentle 10.exist/existence 11.lay egg
18、s 12.give birth to 13.prevent from 14.in the direction of 15.do harm to/be harmful to 16.get the hang of 17.escape from 18.depend/rely on 19.watch out 20.now thatDictation:Revision1.水以水以3种形式存在，即液体，气体，固体。种形式存在，即液体，气体，固体。2.在阳光下读书对你的眼睛是有害的在阳光下读书对你的眼睛是有害的(2个）个）3.她有一大堆的事情要做。她有一大堆的事情要做。(mass)4.既然你恢复了健康，你可
19、以去旅行。既然你恢复了健康，你可以去旅行。5.这条河是那条河的这条河是那条河的3倍宽。倍宽。(3个个)6.这由他决定是否开晚会。这由他决定是否开晚会。1.Water exists in three forms,which are liquid,gas and solid.2.Reading in the bright sun is harmful to your eyes.=Reading in the bright sun does harm to your eyes.3.She has a mass of(massed of)things to do.4.Now that you are well again,you can travel.5.This river is three times wider than that one.This river is three times the width of that one.This river is three times as wide as that one.6.It is up to him to decide whether to hold the party or not.