1、拖动解锁 Unit 4 Astronomy：the science of the stars1主 干 回 顾夯 基 固 源2考 点 研 析互 动 探 究3 梯 级 演 练强 技 提 能温馨提示:请点击相关栏目 1_(n.)天文学 2_(n.)系统；体系；制度 3_(n.)学说；理论 4_(n.)大气层；气氛 5_(adj.)基本的；基础的 6_(adv.)因此；于是 7_(vt.&vi.)(使)迷惑;(使)为难 (n.)谜；难题 8_(adj.)温和的；文雅的 9_(vi.&vt.)碰撞；坠落 10_(n.&vt.)拉(力)；拖；牵引力astronomysystemtheory atmosph
2、erefundamentalthuspuzzle gentlecrashpull 单 词 速 记 主干回顾夯基固源11_(vi.&vt.)(使)浮动(n.)漂浮物 12_(adj.)猛烈的；激烈的；强暴的 _(n.)暴力 _(adv.)暴力地；猛烈地 13_(prep.)不同；不像 _(vt.)喜欢；(prep.)相像的 _(adj.)可能的 14._(adj.)有害的 _(n.&v.)伤害 _(adj.)无害的 15_(vi.)存在；生存 _(n.)存在；生存floatviolentviolenceviolentlyunlikelikelikelyharmfulharmharmlessexi
3、stexistence1_阻止 2_ 产生；分娩 3_ 轮到某人；接着 4_ 熟悉；掌握；理解 5_ 密切注视；当心；提防 6depend on _ 7in time _ 8lay eggs _ 9cheer up _ 10now that _ 11break out _ prevent.from.give birth to in ones turn get the hang of watch out depend on in time lay eggs cheer up now that break out 短 语 回 顾 1What is even more important is th
4、at as the earth cooled down，water began to appear on its surface.更为重要的是，当地球冷却下来时水开始在地球表面出现了。名师指津：what引导主语从句。例句仿写：她告诉我，那个时候她需要的就是一些好运气。_at that time，she told me，was some good luck.What was needed句 型 必 备 2The earth became so violent that it was not clear whether the shape would last or not.地球变得如此激烈动荡以
5、至于不知道这个固体形状是否会继续存在下去。名师指津：whether.or not是否。例句仿写：他们是否能够通过交流达成协议还不清楚。Its not clear _ they are able to arrive at an agreement through communication _.whetheror not3But 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，因而
6、我摔倒了。名师指津：“twice as形容词原级as”是倍数表达法之一。例句仿写：仔细研究地图后，我发现这个村庄是那个村庄的两倍大。I find this village is _that one after studying the map carefully.twice as large as4This produced a chain reaction，which made it possible for life to develop.这就产生了一系列的反应，使得生命就有可能开始发展了。名师指津：句中的it是形式宾语，真正的宾语是不定式短语to develop。例句仿写：这两个女孩长得
7、很像，陌生人很难把她们区分开。The two girls are so alike that strangers _one from the other.find it difficult to tell5“Oh，dear，”I cried，“walking does need a bit of practice now that gravity has changed.”“天哪，”我大声说。“重力改变了，看来走路也的确需要练一练了。”名师指津：now that“由于；既然”，引导原因状语从句，有时that可以省略。例句仿写：你既然得到了一个机会，不妨充分利用它。_，you might as
8、well make full use of it.Now that youre got a chancen.存在，生存 exist vi.exist in存在于之中exist on.靠为生there exists.某地有；存在 vi.存在，生存 come into existence开始存在in existence存在vi.点研析互动探究单 词 细 解 There exists a good way to solve the existing problem in geography.有一个解决现存地理问题的好办法。As is known to us，China came into exist
9、enceas an independent country in 1949.众所周知，在1949年中国以一个独立的国家存在了。examples教材原句P26：They laid eggs too and existed on the earth for more than 140 million years.它们也生蛋，在地球上生存了一亿四千多万年。(1)介词填空They cant exist _ the money hes earning.No one knows how this world came_ existence.Even though he is a little boy，st
10、range ideas always exist_ his mind.(2)用括号内词的适当形式填空No one knows when such a custom first came into_(exist)oninto in巧 学 活 用 existence(1)be harmful to sb./sth.(2)do harm to sb./do sb.harm 对某人有害(3)There is no harm in doing sth./It does no harm to do sth.做某事是个好主意(或没有坏处)harmful adj.有害的对某人/某物 有害(1)一句多译众所周知
11、，过量喝酒对你的身体有害。What is known to us is that drinking too much _.What is known to us is that drinking too much _.(2)完成句子就我个人而言，先向他道歉没有什么坏处。As far as Im concerned，_ making an apology to him first.is harmful to your healthdoes harm to your health巧 学 活 用 there is no harm in puzzle vt.使迷惑;使为难;使窘困;n.(游戏的)猜谜;
12、难题；5 be in a puzzle about sth.对某事迷惑不解4 puzzling adj.令人困惑的puzzled adj.感到困惑的3puzzle about/over sth.仔细琢磨2be puzzled by被迷惑1 puzzle sb.使某人为难It puzzles scientists how these creatures can survive in such severe conditions.The police are still puzzling about/over how the accident could have happened.This mo
13、rning，when I was walking on the street，I saw that two travelers were reading a map，looking puzzled.examples教材原句P27：How life began on earth is one of the biggest puzzles that scientists found hard to solve.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。用括号内词的适当形式填空Her _(puzzle)look on her face suggested she didnt under
14、stand what I said.The students were_ over the_problem，listening to the teacher with a _expression on their faces.(puzzle)Ive been_(puzzle)over all the figures，trying to find what happened to the missing money.puzzled巧 学 活 用 puzzlingpuzzlingpuzzled puzzling根据句意填介词/副词(2014浙江高考阅读理解B)The handshake seems
15、 to be longer than elsewhere.So，do not pull _the handshake.(牛津P1604)The police car signalled to us to pull_.They are pulling _those houses to make room for a new hotel.(北师book2unit2)：The doctor said I was not going to pull_.away indownthrough写出下面pull短语的意义(1)pull through _(2)pull down_(3)pull in_(4)p
16、ull out_(5)pull over_(6)pull up _ 使从(受伤)中活下来;渡过难关拆掉，拆毁进站，靠岸离站，拔出，恢复健康 (使)车辆停靠在路边 拔起；停车用pull的相关短语填空Everyone was very concerned whether he would _or not.We waved as the train _of the station.The train _and all the passengers got off.pull through 巧 学 活 用 pulled outpulled in in time一词多义:写出下列句中in time的含义
17、(2014四川卷阅读理解B)We arrived in the summer，just in time to enjoy the midnight sun._ Youll succeed in time because you are always working hard._ 及 时终 于Let me try!Let me try!短 语 聚 焦 in no time_ at no time_ at a time_ at one time_ from time to time_ at times_ take ones time_ kill time_ 写出下面time短语的意义立刻；马上 绝
18、不 每次；一次 曾经，一度 有时；偶尔 有时 别着急；慢慢来 消磨时间 选词填空at one time；at a time；in time；at the same time Thank God youre safe!I stepped back，just _ to avoid the racing car.(2014广东卷完形填空)Parents should talk to their children but_they should lend an ear to what they have to say._he was addicted to playing web games，but
19、now he devotes himself to writing，which delights his parents.Dont try to do everything at once；take it a bit_.in timeat the same time At one time巧 学 活 用 at a time教材原句P26：Thus they have，in their turn，become the most important animals on the planet.in turn 依次；轮流；反之；反过来by turns 轮流；交替地take turns to do s
20、th.轮流做某事It is ones turn to do sth.轮到某人做某事It turns/turned out that.结果 更为重要的是，我觉得该是我开始照顾父亲的时候了。轮到某人；接着 选词填空turn out；in turn；in ones turn；it is ones turn We agreed that both sides must work to strengthen greater trust and confidence，which，_，will bring more cooperation.It _ that her right leg was broken
21、 and she had to stay in the hospital.As far as I know，_to look after the children.Class Three should be responsible for raising the red flag this week_.in turnturned out it is your turn巧 学 活 用 in its turn微 考 点 1unlike prep.与不同;不像;adj.不同的;不相似的Its like/unlike sb.to do sth.做某事实在像/不像某人Its unlike him to
22、be late；hes usually on time.他不是会迟到的那种人；他通常很准时。2atmosphere n大气层，气氛The conversation was carried on in a harmonious and friendly atmosphere.会谈是在和谐友好的气氛中进行的。3crash vi.&vt.碰撞；坠落(2014潍坊市高三4月模拟)The MH370 from Malaysia crashed in the southern Indian Ocean，causing global concern about flight safety.马来西亚的MH37
23、0次航班在南印度洋坠毁，引起了全球对飞行安全的关注。4prevent.from阻止；制止prevent/stop/keep.from doing sth.阻止做某事protect.from保护不受侵袭；挡住；防御keep.doing sth.使一直做某事 His advice prevented/kept/stopped me from making a serious mistake.他的忠告使我免于犯严重的错误。完成句子When I _(看见小汽车碰撞)on the road，a frightened feeling flashed across my mind._(不像他)so hard
24、working.The talk between the two sides started and continued_(友好的氛围)I_(没去那里)by urgent business last week.saw the cars crashingIts unlike him to bein a friendly atmosphere 巧 学 活 用 was prevented from going there 结束放映返回导航页But when I tried to step forward，I found I was carried twice as far as on the ear
25、th and fell over.twice as far as.是一种倍数的表示方法，意为“是的两倍远”，其中as far as.意为“远到”。句 型 突 破 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倍，因而我摔倒了。结束放映返回导航页Abe倍数asadj./adv.原级as BThe red ruler is three times as long as the yellow one.Abe倍数adj./adv.比较级than BThe red ruler is three times the length of the yellow one.倍数表达法T
26、he red ruler is three times longer than the yellow one.Abe倍数the名词(size/weight/length.)of B这个红尺子是黄尺子的三倍长。(1)一句多译据说现在这个发电厂是过去的两倍大。Its said that the power plant is now_.It is said that the power plant is _.It is said that the power plant is_.(2)完成句子The new bridge is_(三倍宽)that one built last year.(width
27、)twice as large as what it was 巧 学 活 用 twice larger than what it was twice the size of what it wasthree times the width of/three times as wide as/three times wider thanThis produced a chain reaction，which made it possible for life to develop.这是“make it形容词/名词 to do sth.”句型。该句型中it为形式宾语，指代后面的不定式结构，形容词或
28、名词为宾语补足语。这就产生了一系列的反应，使得生命就可能发展了。examplesPeople in the west make it a rule to buy Christmas presents for their relatives and friends.在西方，人们常在圣诞节时购买礼物给亲属和朋友。The fact that she was foreign made it difficult for her to get a job in that country.她是外国人的事实使得她在那个国家很难找到工作。it作形式宾语，还可指代that引导的宾语从句。They made it
29、clear to the public that they didan important and necessary job.他们向公众表明：他们所做的工作重要且必不可少。温 馨 提 示完成句子目前的情况使我们很难按时完成任务。The present situation_the task on time.因特网使我们有可能用很短的时间获知世界上发生的所有的事。The Internet has_what happens around the world in much less time.makes it difficult for us to accomplish 巧 学 活 用 made
30、it possible for us to get to know1 单句语法填空 1Playing computer games for a long time is very _(harm)to our health.2As far as I am concerned，strong will，diligence，and devotion as well as perseverance are four _(fundament)factors contributing to success.3Few people understand that the_(exist)of rare anim
31、als is closely related to our life.4His answer to the question sounds _(puzzle)and we are all_(puzzle)a lot.5Watch out _sharp bends and adjust your speed accordingly.harmful fundamentalexistencepuzzled puzzling梯级演练强技提能 for结束放映返回导航页1 单句语法填空 6The new stadium being built for the next Asian Games will b
32、e three times bigger_the present one.7It is none of your business_other people think about you.Believe in yourself.8He failed in the exam and I didnt know how to cheer him_.9People hope that measures will be taken to prevent house prices _(rise)10The doctor thought_would be good for you to have a ho
33、liday.than whatup it rising结束放映返回导航页2 选词填空 1(2014江西省五校联盟高考考前适应性测试)I thought I was speaking English fairly well.Now Im not so sure._,boy.Anyway，Rome wasnt built in a day.2(2014西安三校高三第二次联考)Please tell me when Mr Smith is arriving at the train station so that I can pick him up_.3Once he has made up his
34、 mind，no one can_him_carrying out the plan.4At last the firefighters put out the fire in the supermarket，which _at ten this morning.Cheer up in timeprevent from broke outin ones turnblock outcheer upprevent.frombreak outget the hang ofin time give birth to 2 选词填空 5Youve made me suffer in the past，so
35、 now you，_，suffer again!6After several years of practice，I think I will finally_spoken English.7She married at 17 and _her first child shortly after.8She bought a heavy curtain to_the light.in your turn get the hang of gave birth to block outin ones turnblock outcheer upprevent.frombreak outget the
36、hang ofin time give birth to 3 完成句子 1Last Sunday，_(发生一场大火)in a building near my home.2The stair was full of smoke，which_(人们很难逃生).3A woman who_(正要生孩子)was trapped on the 10th floor.4Luckily，the firemen_(及时赶到)and tried their best to save the people in danger.a big fire broke out made it difficult for p
37、eople to escape was about to give birth arrived in time结束放映返回导航页3 完成句子 5Depending on their professional knowledge，the firemen quickly_(阻止了火势的蔓延)6The Haze，which happened the other day，_(有害于我们的健康)7_at that time，she told me，was some good luck.她告诉我，那个时候她需要的就是一些好运气。8From the story，we know that whether we
38、 can stop fire disasters_(取决于我们是否有安全意识)prevented the fire from spreading is harmful to our health What was needed depends on whether we have a sense of safety4 根据汉语提示,选用练习3中的句子，加入适当过渡词后联句成篇汉语提示1上个星期天，我家附近的一座大楼发生了一场大火灾。2楼梯到处是烟雾，这使人们很难逃生。3一个正要生孩子的妇女被困在10楼。4幸好消防员及时赶到并尽最大的努力营救处于险境的人们。5依靠他们专业的知识，消防员很快就阻止
39、了火势的蔓延。6从这个故事，我们知道我们能否杜绝火灾取决于我们是否有安全意识。参考答案Last Sunday，a big fire broke out in a building near my home and soon the stair was full of smoke，which made it difficult for people to escape.A woman who was about to give birth was trapped on the 10th floor.Luckily，the firemen arrived in time and tried the
40、ir best to save the people in danger.Depending on their professional knowledge，the firemen quickly prevented the fire from spreading but it was obvious that they had no way to save all people.From the story，we know that whether we can stop fire disasters depends on whether we have a sense of safety.
41、结束放映返回导航页5 语法填空 For years，he 1._(know)as the “Chief Designer”because his name was a state secret.His specialty (专业)was rocket science and he almost singlehandedly ran the Soviet space program.Sergei Korolev began by designing the R7 nuclear missile(核导弹)but was later allowed 2._(use)the R7 rocket to
42、send the first satellite，Sputnik，into space.When news of Sputnik reached the United States，space travel quickly turned into a racewas knownto use 结束放映返回导航页5 语法填空 When news of Sputnik reached the United States，space travel quickly turned into a race.Unlike the United States there was 3._limit to how
43、much money Korolev could spend.However，he managed to keep the Soviet space program ahead of 4._of the United States while he was alive.In 1961，a modified(改进的)R7 was used to launch(发射)the Vostok spaceship 5._Yuri Gagarin on board.Gagarin became the first man in space.a thatwith 结束放映返回导航页5 语法填空 In 196
44、5，Alexey Leonov left the cabin of his spaceship and floated 6._(weight)in space for twelve minutes；this became known as the first spacewalk.Korolev was planning a moon landing for 7._he had designed a new powerful rocket，the N1，and a lunar vehicle 8._he died of a heart attack.As a result of his 9._(die)and Gagarins in an air crash，the Soviets fell behind in their space race with the United States.So in 1969 it was Neil Armstrong，an American astronaut but not a Soviet cosmonaut,10._became the first man to walk on the moon.weightlessly whichwhen death that/who 结束放映返回导航页