1、1大家好大家好2Unit 4Astronomy：the science of the stars3温馨提示温馨提示:请点击相关栏目。请点击相关栏目。学学 预习新知自解预习新知自解讲讲 探究课堂互动探究课堂互动记记 冷点自主拾遗冷点自主拾遗4短语回顾1_阻止阻止2_ 产生；分娩产生；分娩3_ 轮到某人；接着轮到某人；接着4_ 熟悉；掌握；理解熟悉；掌握；理解5_ 密切注视；当心；提防密切注视；当心；提防6depend on _7in time _8lay eggs _9cheer up _10now that _11break out _prevent.from.give birth to in
2、 ones turn get the hang of watch out 依赖依赖及时及时，迟早，迟早 下蛋下蛋 振奋振奋既然既然爆发爆发51unlike介词.不同；不像 adj.不同的；不相似的(1)like 介词介词.像，如像，如disdislike vtvt.不喜欢，讨厌不喜欢，讨厌a alike adj.相似的，同样的相似的，同样的likely ly adj.有可能的有可能的ununlikelyly adj.不太可能的不太可能的(2)somethingsomething like几分像几分像ItIts like/unlikelike/unlike sb.to do sthto do s
3、th.做某事实在像做某事实在像/不像某人不像某人6应用应用1用用 unlike,dislike,alike,likely的适当形式填空：的适当形式填空：(1)The twins look very much _.(2)_ his brother,he _ playing basketball.(3)We all think he is _ to win.alikeUnlikedislikeslikely7(1)be harmful to sb/sth(2)do harm to sb./do sb.harm 对某人对某人/某物有害某物有害对某人有害对某人有害 harmful adj.有害的有害的
4、讲讲 探究课堂互动探究课堂互动2单单词词细细解解(3)There is no harm in doing sth.It does no harm to do sth.做某事是个好主意做某事是个好主意(或没有坏处或没有坏处)8Air pollution will get worse and this will_people，for example，it can cause cancer.空气污染会加剧空气污染会加剧,而且这会对人们造成危害，例如，它可以引发而且这会对人们造成危害，例如，它可以引发癌症。癌症。As far as Im concerned，_making an apology to
5、him first.就我个人而言，先向他道歉没有什么坏处。就我个人而言，先向他道歉没有什么坏处。(2013陕西卷信息匹配陕西卷信息匹配)Pets are amusing and entertaining，but we are in a way doing animals harm by making them live in a human environment.(英译汉英译汉)_ be harmful to there is no harm in 宠物好玩有趣，但我们从某种程度上让他们生活宠物好玩有趣，但我们从某种程度上让他们生活在人的环境是在伤害他们。在人的环境是在伤害他们。9n.存在，
6、生存存在，生存 exist vi.exist in存在于存在于之中之中exist on.靠靠为生为生there exists.某地有某地有；存在；存在vi.vi.存在，生存存在，生存come into existence开始存在开始存在in existence存在存在vi.10(1)单项填空单项填空_existed a certain doubt among the workers as to the necessity of the work.(2)介词填空介词填空教材原句教材原句P26：They laid eggs too and existed _ the earth for more
7、than 140 million years.(牛津牛津P697)They cant exist _ the money hes earning.The Imperial Palace in Beijing has been_existence for more than 500 years.Thereononin11puzzle vt.puzzle vt.使迷惑使迷惑;使为难使为难;使窘困使窘困;n.(;n.(游戏的游戏的)猜谜猜谜;难题难题；5 be in a puzzle about sth.对某事迷惑不解对某事迷惑不解 4 puzzling adj.令人困惑的令人困惑的puzzled
8、adj.感到困惑的感到困惑的 3 puzzle about/over sth.仔细琢磨仔细琢磨 2 be puzzled by被被迷惑迷惑 1puzzle sb.使某人为难使某人为难12It puzzles scientists how these creatures can survive in such severe conditions.（英译汉）（英译汉）_The police are still puzzling _ how the accident could have happened.警察仍然正在苦思这起事故是怎么发生的。警察仍然正在苦思这起事故是怎么发生的。Her _look
9、 on her face suggested she didnt understand what I said.她脸上迷惑的表情表明她不明白我说的话。她脸上迷惑的表情表明她不明白我说的话。这些生物是如何在这样艰难的这些生物是如何在这样艰难的条件下存活的，这使科学家很疑惑。条件下存活的，这使科学家很疑惑。about/overpuzzled 13pull 根据句意填介词根据句意填介词/副词副词 His injuries are severe but hes expected to pull_.Several houses were pulled _to make way for the new r
10、oad.The train pulled _ and all the passengers got off.He pulled _at the traffic lights.throughdown inup14 写出下面写出下面pull短语的意义短语的意义(1)pull through _(2)pull down _(3)pull in _(4)pull out _(5)pull over _(6)pull up _使从使从(受伤受伤)中活下来中活下来;度过难关度过难关拆掉，拆毁拆掉，拆毁进站，靠岸进站，靠岸离站，拔出，恢复健康离站，拔出，恢复健康(使使)车辆停靠在路边车辆停靠在路边拔起；停车
11、拔起；停车15(重庆卷完形填空重庆卷完形填空)More importantly，I found it was my turn to start looking out for my father.in turn依次；轮流；反之；反过来依次；轮流；反之；反过来by turns轮流；交替地轮流；交替地take turns to do sth.轮流做某事轮流做某事It is ones turn to do sth.轮到某人做某事轮到某人做某事It turns/turned out that.结果结果 更为重要的是，我觉得该是我开始照顾父亲的时候了。更为重要的是，我觉得该是我开始照顾父亲的时候了。轮到
12、某人；接着轮到某人；接着短短语语聚聚焦焦16.单项填空单项填空(2013四级英语四级英语)Stressful environments lead to unhealthy behaviors such as poor eating habits，which_increase the risk of heart disease.Ain turn Bin returnCby chance Dby turns.完成句子完成句子Youve made me suffer in the past，so now you，_(轮到你了轮到你了)，suffer again!You cant all do it
13、together；youll have to _.你们不能全体一齐上；你们得轮流做。你们不能全体一齐上；你们得轮流做。Ain your turntake turns17in time一词多义一词多义:写出下列句中写出下列句中in time的含义的含义(江苏卷江苏卷)Thank God youre safe!I stepped back，just in time to avoid the racing car._ Youll succeed in time because you are always working hard._ 及及 时时终终 于于18in no time _at no ti
14、me _at a time _at one time _from time to time _at times _take ones time _kill time _写出下面写出下面time短语的意义短语的意义立刻；马上立刻；马上绝不绝不每次；一次每次；一次曾经，一度曾经，一度有时；偶尔有时；偶尔有时有时别着急；慢慢来别着急；慢慢来消磨时间消磨时间 19at a time 2in no time 2at no time 2kill time2at one time3from time to time 3at times 3take ones time3(如果你能说如果你能说出短语的汉出短语的
15、汉语意思，就语意思，就能得到相应能得到相应分数分数,快快加快快加油呦！油呦！)幸运大转盘幸运大转盘20But 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而当我试着向前迈步的时候,我发觉我被送出去很远我发觉我被送出去很远,步子的跨度竟是在地球上的两倍步子的跨度竟是在地球上的两倍,因而我摔倒了。因而我摔倒了。句句型型突突破破twice as形容词原级形容词原级as”是倍数表达法之一是倍数表达法之一21The new bridge
16、is _ _ _ _ _ (三倍宽三倍宽)that one built last year._(2011陕西卷陕西卷)The new stadium being built for the next Asian Games will be three times _ _ _ the present one._Jessica devoted_ _ _ _ _ _she did before，so I believe she will succeed this time._The worlds population has grown to more than six times what it
17、was in 1800._如何表达如何表达A是是B的多少倍的多少倍?three times the width ofA倍数倍数the size/height/length/width，etc.ofB as big as A倍数倍数as形容词或副词的原级形容词或副词的原级asBtwice more energy and time thanA倍数形容词或副词的比较级倍数形容词或副词的比较级thanBA倍数倍数what从句从句 22【活学活用活学活用】(1)这条河是那条河的三倍宽。这条河是那条河的三倍宽。This river is _ as that one.This river is _ of t
18、hat one.This river is _ than that one.three times as wide three times the width twice wider 23 This produced a chain reaction，which made it possible for life to develop.这就产生了一系列的反应，使得生命就可能发展了这就产生了一系列的反应，使得生命就可能发展了。这是这是“make it形容词形容词/名词名词 to do sth.”句型。该句句型。该句型中型中it为形式宾语，指代后面的不定式结构，形容词或名为形式宾语，指代后面的不定
19、式结构，形容词或名词为宾语补足语。词为宾语补足语。24(2013山东省菏泽重点高中高三下学期四月模拟山东省菏泽重点高中高三下学期四月模拟)He didnt make _clear when and where the meeting would be held.Mastering the technology_ the Internet more effectively(可能会让我们更加有效地利用网络可能会让我们更加有效地利用网络)itto usemakes it possible for us 温馨温馨提示提示it作形式宾语，除指代不定式结构外，还可指作形式宾语，除指代不定式结构外，还可指代
20、代that引导的宾语从句。引导的宾语从句。They made it clear to the public _ they did an important and necessary job.that25记记 冷点自主拾遗冷点自主拾遗3微微考考点点prevent.from.阻止阻止做做搭配stop/keep.from.阻止阻止/制止制止做做protect.from.保护保护(2014福建四地六校联考福建四地六校联考)What is known to us all is that the Chinese government has spared no efforts to protect pe
21、ople _ fake food.from26atmosphere n大气层，气氛大气层，气氛Completely lost in the exciting atmosphere of the football match，Tom didnt feel his pocket picked.（英译汉）（英译汉）由于完全沉醉在足球赛的令人兴奋的氛围中，由于完全沉醉在足球赛的令人兴奋的氛围中，汤姆全然不知有人掏他的口袋。汤姆全然不知有人掏他的口袋。27句句型型必必备备1What is even more important is that as the earth cooled down，water
22、 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。面出现了。名师指津：名师指津：what引导主语从句。引导主语从句。例句仿写：例句仿写：她告诉我，那个时候她需要的就是一些好她告诉我，那个时候她需要的就是一些好运气。运气。_at that time，she told me，was some good luck.What was needed 282The earth became so violent that it was not clear whether the shape wo
23、uld last or not.地球变得如此激烈动荡以至于不知道这个固体形状是否会继地球变得如此激烈动荡以至于不知道这个固体形状是否会继续存在下去。续存在下去。名师指津：名师指津：whether.or not是否是否。例句仿写：例句仿写：他们是否能够通过交流达成协议还不清楚。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 _.whether or not293But when I tried to step forward，I found I was
24、 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。的跨度竟是在地球上的两倍，因而我摔倒了。名师指津：名师指津：“twice as形容词原级形容词原级as”是倍数表达法之是倍数表达法之一。一。例句仿写：例句仿写：仔细研究地图后，我发现这个村庄是那个村庄的仔细研究地图后，我发现这个村庄是那个村庄的两倍大。两倍大。I find this village is _ that one after studyi
25、ng the map carefully.twice as large as304This 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。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：名师指津：句中的句中的it是形式宾语，真正的宾语是不定式短语是形式宾语，真正的宾语是不定式短语to develop。例句仿写：例句仿写：这两个女孩长得很像，陌生人很难把她们区分开。这两个女孩长得很像，陌生人很难把她们区分开。The two girls ar
26、e so alike that strangers _one from the other.find it difficult to tell 315“Oh，dear，”I cried，“walking does need a bit of practice now that gravity has changed.”“天哪，天哪，”我大声说。我大声说。“重力改变了，看来走路也的确需要重力改变了，看来走路也的确需要练一练了。练一练了。”名师指津：名师指津：now that“由于；既然由于；既然”，引导原因状语从句，引导原因状语从句，有时有时that可以省略。可以省略。例句仿写：例句仿写：你既然
27、得到了一个机会，不妨充分利用它。你既然得到了一个机会，不妨充分利用它。_，you might as well make full use of it.Now that youve got a chance32微微语语法法1(2014浙江高三调研浙江高三调研)_is surprising is that there are so many Chinese restaurants in Toronto.AIt BThat CSuch DWhat2.(2014江南十校联考江南十校联考)_the climate changes so much has caused many discussions a
28、mong the scientists.AWhat BWhich CWhen DThat主主语语从从句句解析：句意为：令人吃惊的是，在多伦多有这么解析：句意为：令人吃惊的是，在多伦多有这么多中国饭店。多中国饭店。“What is surprising”是主语从句，是主语从句，What在从句中作主语。在从句中作主语。解析：根据句子结构和句意可知，前面的主语从解析：根据句子结构和句意可知，前面的主语从句不缺少句子成分，故选择句不缺少句子成分，故选择D项。项。333(2014吉林一模吉林一模)_the flight to New York will be delayed is_Im especial
29、ly worried about.AWhen；what BWhether；thatCWhen；that DWhether；what4(2014贵阳一中摸底考试贵阳一中摸底考试)It is none of your business_other people think about you.Believe yourself.Ahow Bwhat Cwhich Dwhen5(2014江西十所重点中学高三联考江西十所重点中学高三联考)What has made John look like lacking sleep?_he had to prepare for the coming exam an
30、d stayed up last night.AFor BBecause CThat DWhatCBD341.We agreed that both sides must work to strengthen greater trust and confidence，which，_，will bring more cooperation.Ain time Bin turn Cin return Din total2.Doctors always tell us that drinking too much_our health，but some people dont care.Ais har
31、m to Bdoes harmful toCis harmful to Ddo harm to3.You are always sitting there watching TV._，lets go out for a walk，shall we?OK，but just a moment.The football game is just over.ATake your time BCheer upCTake it easy DCome on课课堂堂训训练练BCD354(2013安徽卷安徽卷)Its said that the power plant is now_large as what
32、it was.Atwice as Bas twice Ctwice much Dmuch twice5(2013山东省菏泽重点高中高三下学期四月模拟山东省菏泽重点高中高三下学期四月模拟)He didnt make _clear when and where the meeting would be held.Athis Bthat Cit Dthese6.(2014陕西宝鸡教学质量检测陕西宝鸡教学质量检测)There is so much rain on the island that its annual rainfall reaches_.Asixty inches as much as
33、Bas sixty inches much asCas much as sixty inches Das much sixty inches asACC36六、语法填空六、语法填空 阅读下面短文，按照句子结构的语法阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空。或使用括号中词语的正确形式填空。China has a fast-growing space program.A 1 _（success）Moon mission would be the third major event in
34、 the history 2 _ Chinas space program,after the launch of their first orbiting satellite in November 1999 and first manned mission,3 _Yang Liwei orbited(运行运行)Earth fourteen times on the Shenzhou V on October 15,2003.Successful of when 37 The Change program,named after a lovely girl in a Chinese stor
35、y who 4 _(take)a magic potion（药）（药）and flied to the Moon,will be a three-part series of missions 5 _ will finish in about 2020.In addition to the orbiter Change 1,the Chinese space agency is planning a mission to land a rover on the Moon,6 _(hope)to collect material that will be returned to Earth.7
36、_(final),these missions may lead to manned expeditions to the Moon-or to the possible 8 _(develop)of a permanent(永久的永久的),manned Moon base.takes that hoping Finally development 38 9 _ entire mission series should last about thirteen years,for a total cost of about 14 billion Chinese Renminbi(equal to 1.73 billion U.S.dollars).In addition,China may cooperate with Russia in its Moon exploration program 10 _ is tentatively planning on signing a ten-year cooperation agreement in 2007.The and
