(人教版)高考英语一轮复习课件必修三Unit 4　Astronomy the science of the stars (含答案)

这是一份(人教版)高考英语一轮复习课件必修三Unit 4　Astronomy the science of the stars (含答案)，共24页。PPT课件主要包含了-2-，高频词汇，难点句型，-3-，in time ，at times ，-4-，-5-，unlikely ，unlike 等内容，欢迎下载使用。

1.in time及时;终于;总有一天[教材原句] They were in time t prduce carbn dixide,nitrgen,water vapur and ther gases,which were t make the earth’s atmsphere.(Page 25)它们最终产生了二氧化碳、氮气、水蒸气和其他多种气体,从而形成了地球的大气层。in time t d sth.=in time fr sth.及时做某事n time准时all the time一直;始终in n time立即,马上at a time一次;每次at ne time曾经;一度at the same time同时at times有时take ne’s time别着急;慢慢来
用含有time的短语完成句子 ①He wants t see changes in the cmpany and I am sure he will,　　　　　. ②Rck climbing is great fun.Yu will get clse t nature and take adventures 　　　 　　. ③—I have tld Nancy many times abut the meeting,but she still frgt it.—I understand.Actually,anyne can be very frgetful　　　　　. 
at the same time
2.unlike prep 不同;不像[高考佳句] Unlike fast-fd places,fine dining shps prefer custmers t stay lnger and spend.(2018·江苏卷)与快餐店不同的是,好的餐饮店更喜欢顾客待更长的时间并且更多地消费。dislike v.不喜欢alike adj.相似的,同样的 adv.一样,以同样的方式unlikely adj.不太可能的;没希望的It is unlikely that...不可能……be unlikely t d sth.不可能做某事
用unlike的适当形式填空 ①Stephen Hawking believes that earth is 　　　　　t be the nly planet where life has develped gradually. ②It is 　　　　　the naughty by t stay calm fr such a lng time.He is usually nisy. 
3.harmful adj.有害的[教材原句] What many scientists believe is that the cntinued presence f water allwed the earth t disslve harmful gases and acids int the ceans and seas.(Page 26)很多科学家相信,由于地球上长期有水存在,它使得地球得以把曾经存在于大气层中的有害气体和酸性物质溶解在海洋里。be harmful t对……有害harm n. & v.伤害;损害d harm t对……有害d mre harm than gd害多利少mean n harm无恶意
单句填空①Experts say being expsed t sunlight fr t much time will d harm　　　　　 ne’s skin. ②Tm’s father has decided t give up smking because it is　　　　　(harm) t his health. 
4.exist vi.存在;生存[高考佳句]“That is nly evidence that traditins nce existed,” he said.(2018·全国Ⅲ卷)“那只是传统曾经存在的证据,”他说。
existence n.存在cme int existence出现,开始存在
用exist的适当形式填空 ①The nly 　　　　　prblem is whether we can find this special wd in the frest in such a shrt time. ②N ne knws when this ld temple came int 　　　　　. 
5.in ne’s turn轮到某人;接着[教材原句]Thus they have,in their turn,becme the mst imprtant animals n the planet.(Page 26) 因此,它们变成了地球上最重要的动物。by turns轮流地,交替地in turn依次地,轮流地take turns t d/ding sth.依次/轮流做某事It is ne’s turn t d sth.轮到某人做某事。单句填空①The girls f this drm take turns 　　　 　　(fetch) biled water every week. ②Advertising can influence cnsumers’ mds,which,　　　　　 turn,can influence cnsumers’ reactins t prducts. 
fetching/t fetch
阻止;制止[教材原句] They are putting t much carbn dixide int the atmsphere,which prevents heat frm escaping frm the earth int space.(Page 26)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。阻止……做某事(frm不能省略)hld n.阻止;预防
单句填空①She lks sad.Culd yu please tell me what it is that prevents her 　　　　　being as happy as befre? ②Aimed at 　　　　 　(prevent) vilent crime,these measures are very ppular. 
preventing
7.puzzle n.谜;难题 vt.& vi.(使)迷惑;(使)为难[教材原句] Hw life began n earth is ne f the biggest puzzles that scientists fund hard t slve.(Page 27)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。puzzle abut(ver)为……大伤脑筋,对……冥思苦想be a puzzle t sb.令某人费解puzzled adj.感到迷惑的puzzling adj.令人困惑的单句填空①What 　　　　　(puzzle) the dctrs mst was that they culd nt find the cause f the strange disease. ②Jhn seemed puzzled 　　　　　what the questin meant. 
8.pull n.& vt.拉(力);拖;牵引力[教材原句] As the rcket rse int the air,we were pushed back int ur seats because we were trying t escape the pull f the earth’s gravity.(Page 30)随着火箭的升空,我们被重重地推回到座位上,因为我们正尽力摆脱地球的引力。pull dwn拉倒pull ff脱下,驶离pull n穿上pull ut拉开,驶出,拔出pull ver把车(船)开过来;靠边停车pull thrugh (使)渡过难关,(使)恢复健康pull up停车
单句填空①Mr Brwn’s cnditin lks very serius and it is dubtful if he will pull 　　　　　. ②Yu’d better pull yur car 　　　　　t the side f the rad if yu must answer a phne call. 
9.break ut突发;爆发[教材原句] We watched,amazed as fire brke ut n the utside f the spaceship as the earth’s gravity increased.(Page 31)我们惊奇地看着,随着地球引力的增加,宇宙飞船的外层燃烧起火。几个表示“发生”的词语take place,break ut,happen均无被动形式,bring abut“使发生”除外。单句填空①What wuld yu d if the war were t break 　　　　　. 完成句子②Tm was still sleeping when the fire 　　　　　　(发生)and then it spread quickly. 
This prduced a chain reactin,which made it pssible fr life t develp.(Page 26)这就产生了一个连锁反应,使得生命的发展成为可能。 (1)make+it+宾语补足语+宾语it做形式宾语,真正的宾语由不定式或that从句充当。宾语补足语常常由形容词或名词充当。(2)make+宾语+省略t的不定式做宾语补足语(当make变为被动语态时不定式不能省略t)。(3)make后也可以接过去分词、形容词或介词短语等做补语。用所给词的适当形式填空 ①Peple in the west make it a rule 　　　　　(buy) Christmas presents fr their relatives and friends. ②I was made 　　　　　(study) 24 hurs a day. 
Ⅰ.单句填空1.—I hate it when it rains.—Cheer 　　　　　!It will be sunny tmrrw. 2.Whether their flight will arrive 　　　　　time is what they are cncerned abut. 3.In sme cuntries,pisnus snakes can be used t watch　　　　　the jewels in shps at night. 4.A 　　　　　(vilence) trnad hit a village in suthwest f China the ther day. 5.As we all knw,a bad eating habit is 　　　　　(harm) t ne’s health. 6.D yu believe that there is the 　　　　　(exist) f ghsts? 
7.He ften says that he desn’t believe in any　　　 　(religius)and nly believes in himself. 8.We need many pwerful 　　　　　(system)t keep a stable sciety running smthly(顺利地). 9.As sn as the fire brke 　　　　　,it spread quickly. 10.In rder t blck 　　　　　the sunshine,the students had many bks piled high. 
Ⅱ.单句改错1.There is a puzzling expressin n his face because f the puzzling ne can prevent the plan carried ’ t leave her wait utside in the a persn r thing chained t smething,they are fastened t it with a kind f plant was nly existed in Africa.
第一个puzzling→puzzled　在carried前加being　wait→waiting　在chained前加is　去掉was　
6.Hw ur spring sprts meet will be held r nt this week is nw nt knwn was the study f histry that gave a birth t scial science.
Hw→Whether　去掉birth前的a
Ⅲ.话题微写作翻译下面5个句子,然后通过合理想象整合成一篇短文。1.上周这家工厂发生了一场火灾。(break ut)2.由于火灾发生在白天,人们发现从工厂里逃出来很容易。(nw that)3.不久消防队员及时赶到,将火扑灭。(put ut)4.他们调查发现,这场火灾是工人操作不当引起的。(find ut)
Last week,a fire brke ut in the factry.Nw that the fire brke ut in the daytime,peple fund it easy t escape frm the factry.The firemen arrived in time and sn they put ut the fire.They fund ut that the fire was caused by the imprper peratin f the wrkers.
5.今后能否防止火灾的发生取决于我们的安全意识。(depend)
Whether we can prevent the fire frm breaking ut depends n ur awareness f safety.