新课标必修三unit4

1、Unit 4Astronomy: the science of the stars .单词拼写单词拼写根据首字母或者汉语注释写出单词的正确形式。根据首字母或者汉语注释写出单词的正确形式。1Im in a _(迷惑迷惑) as to how to cope with the new situation.2He would never be _(有害的有害的) to anyone.3One _(理论理论) about the moon is that it is a piece broken off the earth.4The ants were _(拖拖) pieces of corn.puz

2、zle harmful theory pulling 5Our English teacher is a man of _(宗教信仰宗教信仰)6Students should pay special attention to (基础基础) science.7A balloon f in the wind.8If you m five by six，youll get thirty.9In this v conflict，about 20 common people died.10Man cant live without water and o .religion fundamental lo

3、ated ultiply iolent xygen .重点短语再现重点短语再现1._ 1._ 感到高兴感到高兴2._ 2._ 既然既然3._ 3._ 突发；爆发突发；爆发4._ 4._ 产生；分娩产生；分娩5._ 5._ 下蛋下蛋6._ 6._ 阻止；制止阻止；制止7._ 7._ 当心；密切注视当心；密切注视8._ 8._ 熟悉；掌握熟悉；掌握9._ 9._ 挡住挡住( (光线光线) )10._10._轮到某人；接着轮到某人；接着 cheer upcheer upnow thatnow thatbreak outbreak outgive birth togive birth tolay eg

4、gslay eggsprevent.fromprevent.fromwatch outwatch outget the hang ofget the hang ofblock outblock outin ones turnin ones turn.短语填空短语填空1Dont worryIm sure things will get better _.2We congratulated her on a fine healthy baby.3Now that we have finished designing，the company， ，should do the constructing

5、work.4The wall all the light.It should be pulled down.in time giving birth to in its turn blocks out 5She told her child to when he was crossing the street.6Using the computer isnt difficult once you it.7_ you are grownup，you should not rely on your parents.8Should another world war _，what would bec

6、ome of human beings?9The crowd when they saw the teams arrive.10Tell the children not to the cave.watch out get the hang of Now that break out cheered up get close to .完成句子完成句子1 (随着地球的冷却随着地球的冷却)，water began to appear on its surface.(cool)2Whether life will continue on the earth for millions of years

7、 to come will _ (取决于这个问题能否得到解决取决于这个问题能否得到解决)(depend)3Walking does need a bit of practice (因为引力改变了因为引力改变了)(now)As the earth cooled down depend on whether this problem can be solved now that gravity has changed.模仿造句模仿造句1What if was to become was uncertain until between 4.5 and 3.8 billion years ago wh

8、en the dust settled into a solid globe.(P25， L78) be to do.必将会做必将会做 翻译翻译年轻时，他不知道自己以后会举世闻名。年轻时，他不知道自己以后会举世闻名。 _ .As a young man he didnt know he was to win world famelater on.2They were in time to produce carbon，nitrogen，water vapour and other gases，which were to make the earths atmosphere.(P25，L11)

9、in time to do sth.来得及干某事来得及干某事 翻译翻译我们正好赶上了早班车我们正好赶上了早班车 _3They are putting too much carbon dioxide into the atmosphere，which prevents heat from escaping from the earth into space.(P25，L4849) prevent.(from) doing.阻止某人干某事；防止某事发生阻止某人干某事；防止某事发生 翻译翻译他的头痛没有阻止他第二天去上课。他的头痛没有阻止他第二天去上课。 _We were in time to ca

10、tch the early bus.His headache did not prevent him(from) going to class the next day.4Last month I was lucky enough to have a chance to make a trip into space with my friend Li Yanping，an astronomer.(P30，L23) beadj.enoughto do足以做足以做 翻译翻译这个男孩子的年龄足够大了，能参军了。这个男孩子的年龄足够大了，能参军了。 _5But when I tried to step

11、 forward，I found I was carried twice as far as on the earth and fell over.(P31，Para.3) twice as.as.是是的两倍的两倍 翻译翻译他跑起来速度比我快一倍。他跑起来速度比我快一倍。 _The boy is old enough to join the army.He runs twice as fast as I.6“Oh，dear，” I cried，“walking does need a bit of practice now that gravity has changed.”(P31，Para

12、.3) now that.既然既然/由于由于 翻译翻译既然大家都到了，咱们开会吧。既然大家都到了，咱们开会吧。 _ Now that everyone is here，lets begin our meeting.核心词汇梳理核心词汇梳理1unlike prep. 与与不同；不像；非不同；不像；非的特征的特征 归纳归纳 (1)be unlike.相当于相当于be different from. (2)unlike sth./sb.位于句首，常用于表示对比。位于句首，常用于表示对比。 (3)unlike的反义词为的反义词为like。运用：完成句子。运用：完成句子(1)音乐与其他艺术形式不同。音乐

13、与其他艺术形式不同。Music is quite .(2)本系统与多数系统不同，极易安装。本系统与多数系统不同，极易安装。_，this one is very easy to install.(3)迟到这么久可实在不像他平时的作风。迟到这么久可实在不像他平时的作风。_ to be so late.unlike any other art form Unlike most systems Its very unlike him2.harmful adj. 有害的，伤害的有害的，伤害的 搭配搭配 熟记下列搭配熟记下列搭配 be harmful to对对有害有害 do harm to sb.do s

14、b. harm对某人有害处对某人有害处 do more harm than good弊多利少弊多利少 come to no harm没受损害没受损害 翻译：吸烟有害健康翻译：吸烟有害健康。 _Smoking is harmful to health. 3exist vi. 存在；生存存在；生存 联想联想exist as作为作为而存在；以而存在；以形态存在形态存在 exist in存在于存在于中中 exist on靠靠生活生活生存生存 搭配搭配 there exist(s)表示表示“存在存在/有有”，此时，此时exist不用进行时。不用进行时。 拓展拓展 there exists表示表示“存在存

15、在/有有”，是，是“there be”句型的延句型的延 伸，类似的还有伸，类似的还有there stand(s)，there lie(s) there live(s)， there occur(s)等。等。完成句子完成句子(1)少数人认为世界上存在恶魔。少数人认为世界上存在恶魔。Several people believe the devil _ in the world.(2)好人到处都有。好人到处都有。_ warmhearted persons everywhere.exists There exist 4puzzle n. 谜；难题谜；难题vt.&vi.(使使)迷惑；迷惑；(使使

16、)为难为难 搭配搭配 用适当的介词或副词填空用适当的介词或副词填空(1)puzzle _/_ sth.为为苦思冥想苦思冥想 (2)puzzle sth. _ 想出；苦思而求得想出；苦思而求得 用相关短语翻译下列句子。用相关短语翻译下列句子。 (3)凯伦整个晚上都在想这个问题。凯伦整个晚上都在想这个问题。 Karen the question all evening. (4)他终于想出了如何解决这个问题。他终于想出了如何解决这个问题。 He finally how to solve the problem.overaboutoutwas puzzling about puzzled out 用用

17、puzzle的适当形式填空。的适当形式填空。(5)He stared at the words in complete .(6)I think its really a _ problem. I really dont know which to choose.(7)She listened with a _ expression on her face.(8)Im doing a word _ in this newspaper.puzzlement puzzling puzzled puzzle 5mass n. 质量；团；块；大量质量；团；块；大量 识记识记a mass of/masse

18、s of大量的；大批的；许多大量的；大批的；许多 提示提示a mass of或或masses of既可修饰复数名词，亦可修饰不可数既可修饰复数名词，亦可修饰不可数 名词名词。 完成句子完成句子 (1)大量的书籍摊满了整个房间。大量的书籍摊满了整个房间。 _ covered every surface in the room.Masses of books (2)我们仍然可以抽出许多时间。我们仍然可以抽出许多时间。We still had _ to spare.辨析辨析 the mass of.大部分；大多数大部分；大多数(3)现代人大多受到电视的影响。现代人大多受到电视的影响。 are inf

19、luenced by television.识记识记 in a mass大量地；大批地大量地；大批地(4)大批的运动爱好者在赛前就来到了体育馆。大批的运动爱好者在赛前就来到了体育馆。Sports fans came to the stadium _ before the game.masses of time The mass of modern people in a mass 5lay vt.放置 vt. & vi.生蛋，产卵He laid his coat over a chair.他把外套放在椅子上。The trees were laid flat by heavy wind.

20、树木被风刮倒了。The hens dont lay eggs during this cold weather.这样冷的天气母鸡不会下蛋。6prevent vt.阻止；制止Vitamin C is supposed to prevent colds.维他命 C 被认为能预防感冒。Nothing can prevent us from carrying out the plan.什么也不能阻止我们执行这个计划。特别提醒stop.from.和 keep.from.也有相同意思， 但需要注意的是在keep.from.短语中，介词 from 不能省略，因为 keep sb. doing sth.的意思

21、是“使某人一直做某事”。His father stopped/prevented/kept him from joining thearmy.他爸爸阻止他参军。Lets hurry. Dont keep him waiting.我们快一点，不要让他等着。7too much 太多The Cambridge team were too much for the Oxford team in thequiz.在智力竞赛中，剑桥队远胜于牛津队。易混辨析much too 与 too muchmuch too“太，非常”，副词词组，修饰形容词、副词，但不能修饰动词。too much 作“太多”解释，有以下

22、三种用法：(1)用作名词词组。(2)用作副词词组，修饰不及物动词。(3)用作形容词词组，修饰不可数名词。重点短语例释重点短语例释1in time 及时；早晚；迟早及时；早晚；迟早 完成句子完成句子 (1)我们到达车站时，刚好赶上那班车。我们到达车站时，刚好赶上那班车。 We got to the station just _ catch the bus. (2)他早晚会明白什么才是对的。他早晚会明白什么才是对的。 _ he will see what is right.in time to In time 提示提示 in time to do sth./for sth.来得及干某事；正好及时赶

23、上来得及干某事；正好及时赶上(3)我刚好来得及赶上那班飞机。我刚好来得及赶上那班飞机。I was just _ the flight.(4)大夫正好及时赶到挽救了他的生命。大夫正好及时赶到挽救了他的生命。The doctor got there just _ his life.in time for in time to save 2cheer up 感到振奋；欢呼；喝彩；感到振奋；欢呼；喝彩； 口口 振作些振作些 完成句子完成句子 (1)你需要点东西让自己振奋一下。你需要点东西让自己振奋一下。 You need something to _. (2)我要带安吉到外面转转，让她振奋起来。我要带

24、安吉到外面转转，让她振奋起来。 Im taking Angie out to _. (3)打起精神来，曼迪！打起精神来，曼迪！ _，Mandy!cheer yourself up cheer her up Cheer up 3watch out vi. 当心；提防；密切注视当心；提防；密切注视 Watch out! Theres a car coming.注意！有辆车开过来了。注意！有辆车开过来了。 提示提示 watch out是不及物动词短语，常与介词是不及物动词短语，常与介词for连用连用。 补全下列英文句子。补全下列英文句子。 (1)当心，别把桌子上的纸弄脏了。当心，别把桌子上的纸弄脏了

25、。 _！ Dont dirt the paper on the desk. (2)注意一个戴黑帽子的高个子男人。注意一个戴黑帽子的高个子男人。 in a black hat. (3)我们必须小心公共汽车上的小偷。我们必须小心公共汽车上的小偷。 We must _ on the bus.Watch out Watch out for a tall man watch out for thieves5in ones turn 轮到某人；接着They all spoke at the meeting，each in his turn.他们每个人都在会上轮流发言了。用法拓展常见的由 turn 构成的短

26、语和句型有：in turn 依次，轮流；反之，反过来by turns 轮流；交替地take turns to do sth.轮流做某事it is ones turn to do sth.轮到某人做某事She asked the same question of everyone in turn.她依次向每一个人问同样的问题。The shop assistants had to have their days off by turns.店员要轮流休息。It is your turn to read the text.该轮到你读课文了。The children were taking turns

27、on the slides in the playground.孩子们在操场上轮流滑滑梯。疑难语句细解疑难语句细解1Last month I was lucky enough to have a chance to make a trip into space with my friend Li Yanping，an astronomer.我的朋我的朋 友李彦平是一位宇航员。上个月我有幸得到一个机会同他一道友李彦平是一位宇航员。上个月我有幸得到一个机会同他一道 去太空旅行。去太空旅行。 句型句型 beadj.enoughto do足够足够能干能干 拓展拓展 enough作副词时可以修饰形容词、

28、副词或动词，放在被作副词时可以修饰形容词、副词或动词，放在被 修饰的形容词、副词或动词之后，再加动词不定式或介词修饰的形容词、副词或动词之后，再加动词不定式或介词for 短语构成句型：短语构成句型：beadj.enoughto do sth./for sth.意思为意思为 “足够足够可以可以”。(1)她已到自己作决定的年龄了。她已到自己作决定的年龄了。She is _ decide for herself.(2)屋子不够大容不下做礼拜的人们。屋子不够大容不下做礼拜的人们。The room isnt _ hold the people who attend church.(3)这篇课文太耐读了。

29、这篇课文太耐读了。This text is .(4)这种游戏我训练得不够。这种游戏我训练得不够。I hadnt .old enough to big enough to long enough for reading trained enough for the game2.But when I tried to step forward，I found I was carried twice as far as on the earth and fell over.而当我试着向前迈步的时而当我试着向前迈步的时 候，我发觉我被送出去很远，步子的跨度竟是在地球上的两候，我发觉我被送出去很远，步子

30、的跨度竟是在地球上的两 倍，因而我摔倒了。倍，因而我摔倒了。 句型句型 twice as.as.“是是的两倍的两倍” (1)这棵树是那棵树的两倍高。这棵树是那棵树的两倍高。 _ (2)那个男孩跳的高度是我的两倍。那个男孩跳的高度是我的两倍。 _This tree is twice as tall as that one. The boy jumps twice as high as I. 3.“Oh，dear，” I cried，“walking does need a bit of practice now that gravity has changed.” “天哪！天哪！”我大声说，我大

31、声说，“既然重力改变了，走路也的确需要既然重力改变了，走路也的确需要练练 一练了。一练了。” 句型句型 now that的意思为的意思为“既然，由于既然，由于”，从属连词，引导，从属连词，引导原原 因状语从句，在口语中可以省略因状语从句，在口语中可以省略that。 联想联想 与与now that意思相近的有意思相近的有seeing that，since等。等。(1)既然你提到了，我要记在心里。既然你提到了，我要记在心里。 you have mentioned it，I keep it in mind.(2)既然已完成了工作，你就应该好好休息一下。既然已完成了工作，你就应该好好休息一下。You

32、ought to have a good rest _ youve finished the work.(3)既然教授的报告很有教育意义，为什么不去听呢？既然教授的报告很有教育意义，为什么不去听呢？_ the professors lecture is very instructive，why not go and attend it?(4)鉴于你有足够的钱，你借给我一些吧。鉴于你有足够的钱，你借给我一些吧。_ you have enough money，you lend me some.Now that now that Since Seeing that.短语运用短语运用 in all d

33、irections,go by,give birth to,in in all directions,go by,give birth to,in time,depend on,prevent.from,as well as, time,depend on,prevent.from,as well as, be different from be different from，escape fromescape from，watch.watch. doing,masses of,because of doing,masses of,because of 1.Whether life will

34、continue on the earth 1.Whether life will continue on the earth for millions of years to come will _ for millions of years to come will _ whether this problem can be solved. whether this problem can be solved.2.If you put your heart into it2.If you put your heart into it，youll youll succeed _. succeed _.depend ondepend onin timein time3.There were _ people