分册二　必修3　Unit 4　Astronomythe science of the stars

1、核心考点课堂突破案Unit 4Astronomy: the science of the stars英 语2022高考总复习优化设计GAO KAO ZONG FU XI YOU HUA SHE JI内容索引核心考点 课堂突破随堂巩固 迁移运用核心考点 课堂突破1.in time及时;终于;总有一天 教材原句They were in time to produce carbon dioxide,nitrogen,water vapour and other gases,which were to make the earths atmosphere.(P25) 它们最终产生了二氧化碳、氮气、水蒸

2、气和其他多种气体,从而形成了地球的大气层。语境巧练用适当的介副词填空He wants to see changes in the company and I am sure he will,time.Rock climbing is great fun.You will get close to nature and take adventures the same time.(2020新高考全国卷)Her husband worked two jobs to cover the bills,and her 68-year-old mother helped take care of the

3、children times.inatatWill you be home time to see the children before they go to bed?one time there used to be a coal-mine in this area.inAt用time的相关短语填空As the old saying goes,“Where there is a will,there is a way.” Our efforts will pay off .Luckily,I quickly adapted to the new surroundings and every

4、thing returned to normal .,I have a good command of several languages including English.in timein no timeAt the same time写作升级In my view,you should at no time lose heart whenever you are in trouble.In my view, whenever you are in trouble.at no time should you lose heart考点必记on time准时all the time一直;始终i

5、n no time立即,马上at a time一次;每次at one time曾经;一度at the same time同时at times有时take ones time别着急;慢慢来for the time being暂时;目前from time to time不时;偶尔gain/lose time(钟、表)走得快/慢2.be to do结构表示将来教材原句They were in time to produce carbon dioxide,nitrogen,water vapour and other gases,which were to make the earths atmosp

6、here.(P25) 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。语境巧练完成句子那些外籍学生打算举行一次晚会庆祝圣诞节。The foreign students a party to celebrate Christmas Day.稍等,我马上就动身。 Wait a moment;I am set out.明年,我姐姐就十八岁了。Next year,my elder sister eighteen years old.云彩在聚集,马上就要下雨了。The clouds are gathering;it rain.are to holdabout towill bei

7、s going to考点必记be to do结构表示即将发生某事、计划或安排做某事、要求做某事。be about to do表示即将做某事,不与任何时间状语连用。will + 动词原形表示将来的行为,“预见”或“临时考虑”将做某事。be going to do表示打算、计划做某事,或有迹象表明要发生某事。3.make it+adj./n.+for .to do教材原句This produced a chain reaction,which made it possible for life to develop.(P26)这就产生了连锁反应,使生命的发展成为可能。语境巧练单句填空She mad

8、e it clear she wished to make a new life for herself.I have a good command of English,which makes it easier for me (find) a good job.He is stubborn,which makes it no use (quarrel) with him about it.thatto findquarrelling完成句子新建的体育馆足够大,这使我们有可能参加各种各样的活动。The newly-built stadium is large enough,.which ma

9、kes it possible for us to take part in various activities小话题写作观看舌尖上的中国会让你更容易理解为什么他决定在纽约开一家中餐馆来谋生。Watching A Bite of China will why he is determined to make his living by running a Chinese food restaurant in New York.make it easier for you to understand考点必记make+it+形容词/名词+to domake+it+形容词/名词+that从句mak

10、e+it+no good/no use/no value.+doing sth.常用于这种句型的动词还有:think,consider,find,feel等。4.exist v.存在;生存 教材原句They laid eggs too and existed on the earth for more than 140 million years.(P26)它们也生蛋,在地球上生存了一亿四千多万年。语境巧练用所给词的适当形式填空You cant imagine what difficulty they have (exist) on the money he is earning.Scient

11、ists have many theories about how the universe first came into (exist).(2020新高考全国卷)And contrary to (exist) research that says you should avoid eating with heavier people who order large portions(份),its the beanpoles with big appetites you really need to avoid.existingexistenceexisting翻译句子众所周知,年轻人和老年

12、人之间存在代沟。As is known to us,there exists a generation gap between the young and the old.考点必记 There exists. 有,存在着existence n.存在come into existence出现,开始存在existing adj.现存的;现行的名师点津exist是不及物动词,没有被动语态,也不用于进行时态。5.in ones turn轮到某人;接着教材原句Thus they have,in their turn,become the most important animals on the pla

13、net.(P26) 因此,它们变成了地球上最重要的动物。语境巧练单句填空Now that we have finished the design,it is (they) turn to construct.At the meeting they took turns (put) forward a number of suggestions aiming to promote the reform of education system.The two daughters looked after their sick mother turns.theirto putby完成句子人们使用自己

14、的小汽车试图避免公共交通延误,反过来,这造成更多的问题。People try to avoid public transportation delays by using their own cars,.which,in turn,creates more problems考点必记in turn依次;轮流;反之;相应地by turns轮流;交替地It is ones turn to do sth.轮到某人做某事take turns to do sth/at doing sth.轮流做某事名师点津by turns是“交替地;轮流”的意思,多指两个人或两个行为之间的交替进行;in turn表示“按

15、顺序”。6.prevent.from阻止;制止教材原句They are putting too much carbon dioxide into the atmosphere,which prevents heat from escaping from the earth into space.(P26)他们把过多的二氧化碳释放到大气层中,这使得地球上的热不能释放到太空中去。语境巧练用所给词的适当形式填空(2020天津卷)It prevents people who are cut off from society (fall)victim to cheaters.Aimed at (prev

16、ent) violent crime,these measures are very popular.Unless we get more funding well be (prevent) from finishing our experimental programme.We need a positive programme of crime (prevent).fallingpreventingpreventedprevention考点必记下列短语均表示“阻止做某事”stop.fromkeep.from (from不能省略)hold back.fromban.frompreventio

17、n n.阻止;预防keep . doing sth.使一直做某事protect . from. 保护不受侵袭名师点津被动语态中上述搭配中的from都不可省略。7.puzzle n.谜;难题v.(使)迷惑;(使)为难教材原句How life began on earth is one of the biggest puzzles that scientists found hard to solve.(P27)地球生命如何起源是科学家们觉得很难解决的最大的难题之一。语境巧练单句填空When the little girl was asked such a (puzzle) question,sh

18、e stood there with a (puzzle) look on her face.She lost heart since she failed the exam,because her future was (puzzle).People have long puzzled how the Egyptians moved such huge rocks.puzzlingpuzzledpuzzlingover/about完成句子今天早上,当我走在街上,我看到两位游客正在看地图,看起来很困惑。This morning,when I was walking on the street,

19、I saw that two travelers were reading a map,.looking puzzled考点必记puzzle about/over 对冥思苦想be a puzzle to sb.令某人费解puzzled adj.感到迷惑的a puzzled expression on ones face 面带迷惑的表情puzzling adj.令人困惑的8.倍数表达法教材原句But when I tried to step forward,I found I was carried twice as far as on the earth and fell over.(P31)

20、但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倍远,因而我摔倒了。语境巧练单句填空My school has expanded into a big one,which is three times as big the previous one.The electronic waste stream is increasing three times (fast) than traditional garbage as a whole.The number of students now in this school is four times it was te

21、n years ago.asfasterwhat一句多译正在建的体育馆是操场的两倍大。The new stadium being built will be the playground.(as)The new stadium being built will be the playground.(size)The new stadium being built will be the playground.(than)twice as big astwice the size oftwice bigger than考点必记A+be+倍数+as+ adj./ adv.原级+as+BA+be+倍

22、数+ adj./ adv.比较级+than+BA+be+倍数+the+名词(size/weight/length/.)+of+BA+be+倍数+what从句名师点津表示“两倍”时用twice或double,三倍或三倍以上时用“基数词+times”表达。此句型中倍数也可以用分数、百分数、half等其他程度状语来表达。9.now that引导原因状语从句教材原句“Oh dear,” I cried,“walking does need a bit of practice now that gravity has changed.” (P31) “天哪,”我大声说,“重力改变了,看来走路也的确需要练

23、一练了。”语境巧练完成句子既然你不相信我,我将不再给你提任何建议。 you dont have faith in me,I will never give you any advice.多亏了那份工作我才成了一个喜欢阅读的人。 that job I became a lover of reading.由于一些不明情况,今年的演出被取消了。 some unforeseen circumstances,this years show has been cancelled.Now thatThanks toDue to考点必记now that引导原因状语从句,意为“既然,由于”,相当于since,而

24、且that可以省略。下列介词短语也可以用来表示原因:due to 由于;归功于because of因为 on account of由于,因为owing to由于,因为thanks to由于;多亏随堂巩固 迁移运用.单句填空1.In the 1960s,while studying the volcanic history of Yellowstone National Park,Bob Christiansen became (puzzle) about something that,oddly,had not troubled anyone before:he couldnt find th

25、e parks volcano.2.It is difficult to figure out the (globe) population of polar bears as much of the range has been poorly studied;however,biologists calculate that there are about 20,000-25,000 polar bears worldwide.3.In his introduction,he made it clear our credits would be hard-earned.puzzledglob

26、althat4.Tired and (exhaust),she managed to make a flag with her yellow blouse and fell asleep the moment she closed her eyes.5.He (prevent) by law from holding a licence.6.If we know that gossip can be (harm),then why do so many of us do it?7.I began to learn this when I had my car (crash).8.If stee

27、l is heavier than water,why are ships able (float) on the sea?exhaustedis preventedharmfulcrashedto float9.Its time to clean the four dirty lights in our classroom your turn,so youd better come earlier.10.In order to block the sunshine,the students had many books piled high.inout.单句改错1.There is a pu

28、zzling expression on his face because of the puzzling problem. 2.No doubt that no one can prevent the plan from carried out. 3.Unfortunately,we were prevented completing the project on time by the terrible weather. 4.If a person or thing chained to something,they are fastened to it with a chain. 第一个

29、puzzlingpuzzled在carried前加being在prevented后加from在chained前加is5.Its reported that this kind of plant was only existed in Africa.6.How our spring sports meet will be held or not this week is now not known yet. 7.It was the study of history that gave a birth to social science.8.Luckily,all of the visitors

30、 were on time for the school bus and they arrived at the meeting on time. 9.Better give up using that kind of medicine,because it may be greatly harm to your stomach. 10.Please watch out on the broken glasses!They may hurt your feet. 去掉wasHowWhether去掉a第一个on inharmharmfulon for.微完形填空I remember sitting in an airport one day,waiting for my flight.I was 1 because I had a first-class(头等的)ticket.And in first class,the seats are 2and the food is more delicious.Actually,I had the best seat on the whole plane! Seat 1A.Before boarding,I 3 a young lady who had