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1、Unit 4Astronomy：the science of the stars自主回顾自主回顾 自主排查区自主排查区考点研析考点研析 讲练互动区讲练互动区话题写作话题写作 综合应用区综合应用区1_(n.) 天文学天文学2_(n.) 系统；体系；制度系统；体系；制度3_(n.) 学说；理论学说；理论4_(n.) 大气层；气氛大气层；气氛5_(adj.) 基本的；基础的基本的；基础的6_(adv.) 因此；于是因此；于是7_(vt.& vi.) (使使)迷惑迷惑; ;(使使)为难为难 (n.) 谜；难题谜；难题8_(adj.) 温和的；文雅的温和的；文雅的9_(vi.& vt.) 碰撞；坠落碰撞
2、；坠落10_(n.& vt.) 拉拉(力力)；拖；牵引力；拖；牵引力astronomysystemtheory atmospherefundamentalthuspuzzlegentlecrashpull 基础回顾基础回顾 自主排查区自主排查区单单词词速速记记结束放映结束放映返回导航页返回导航页11_(vi.& vt.) (使使)浮动浮动(n.) 漂浮物漂浮物12_(adj.) 猛烈的；激烈的；强暴猛烈的；激烈的；强暴的的 _ _(n.) 暴力暴力 _ _(adv.) 暴力地；猛烈地暴力地；猛烈地13_(prep.) 不同；不像不同；不像 _ _(vt.) 喜欢；喜欢；(prep.)相像的相像
3、的 _ _(adj.) 可能的可能的14. _(adj.) 有害的有害的 _ _(n.& v.) 伤害伤害 _ _ (adj.) 无害的无害的15_(vi.) 存在；生存存在；生存 _ _ (n.) 存在；生存存在；生存floatviolentviolenceviolentlyunlikelikelikelyharmfulharmharmlessexistexistence结束放映结束放映返回导航页返回导航页语境应用语境应用 用所给词的适当形式填用所给词的适当形式填空空 1There was a _ look on the little girls face because a _ probl
4、em _ her.(puzzle)2In face of_，people can act _if they feel threatened.(violence)3Playing computer games will not only do _to your physical health，but it is also _to your mental health.So there is no _in advising you to give it up.(harm)4Do you believe the _ of ghosts？Perhaps they only _ in the minds
5、 of some people.(exist)puzzledpuzzlingpuzzledviolenceviolentlyharmfulharmharmexistenceexist结束放映结束放映返回导航页返回导航页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 ones turn get
6、the hang of watch out depend on in time lay eggs cheer up now that break out 短短语语回回顾顾结束放映结束放映返回导航页返回导航页语境应用语境应用 选用以上短语填空选用以上短语填空 1I thought I was speaking English fairly well.Now Im not so sure._，boy.Anyway，Rome wasnt built in a day.2Please tell me when Mr Smith is arriving at the train station so t
7、hat I can pick him up_.3Once he has made up his 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.5Youve made me suffer in the past，so now you，_，suffer again!6She bought a heavy curtain to_the light.Cheer upin timepreve
8、nt fromin your turnbroke outblock out结束放映结束放映返回导航页返回导航页1What is even more important is that as the earth cooled down，water began to appear on its surface.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她告诉我，那个时候她需要的就是一些好运气。一些好运气。_at that time，she told me，was some good luck.What was needed 句句型型必
9、必备备结束放映结束放映返回导航页返回导航页2The earth became so violent that it was not clear whether the shape would last or not.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他们是否能够通过交流达成协议还不清楚。清楚。Its not clear _ they are able to arrive at an agreement through communication _.whether or not结束放映结束放映返回导航页返回导航页3Bu
10、t when I tried to step forward，I found I was carried twice as far as on the earth and fell over.名师指津：名师指津：“twice as形容词原级形容词原级as”是倍数表是倍数表达法之一。达法之一。例句仿写：例句仿写：新技术被引进后，这个工厂新技术被引进后，这个工厂2015年生产年生产的机器是去年的两倍。的机器是去年的两倍。After the new technique was introduced，the factory produced _ last year. twice as many mac
11、hines in 2015 as结束放映结束放映返回导航页返回导航页4This produced a chain reaction，which made it possible for life to develop.名师指津：名师指津：句中的句中的it是形式宾语，真正的宾语是不是形式宾语，真正的宾语是不定式短语定式短语to develop。例句仿写：例句仿写：这个女孩懂三门外语，这使她更容易找这个女孩懂三门外语，这使她更容易找到一份好工作。到一份好工作。The girl knows three foreign languages，which _a good job.makes it easi
12、er for her to find 结束放映结束放映返回导航页返回导航页5“Oh，dear，” I cried，“walking does need a bit of practice now that gravity has changed.”名师指津：名师指津：now that“由于；既然由于；既然”，引导原因状，引导原因状语从句，有时语从句，有时that可以省略。可以省略。例句仿写：例句仿写：既然你的工作已经完成了，你最好休息既然你的工作已经完成了，你最好休息一下吧。一下吧。_ your work，youd better have a rest.Now that you have fi
13、nished结束放映结束放映返回导航页返回导航页 The earth was just a cloud of dust after the “Big Bang”The earth exploded loudly with fire and rock.They were in time 1._(produce) many things,2._were to make the earths atmosphere.As the earth cooled down，water began to appear 3._its surface.It allowed the earth to dissolve
14、 4._(harm) gases.Then life began to develop.to produce which课课文文语语篇篇onharmful 结束放映结束放映返回导航页返回导航页 Small plants multiplied and filled the first oceans and seas with oxygen.This encouraged the 5._(develop)of early shellfish and fish.Land animals such as insects，reptiles and dinosaurs 6._(appear) after
15、green plants appeared.Small clever animals spread all 7._the earth.They are putting too much carbon dioxide into the atmosphere,8._prevents heat from escaping from the earth into space.9._life will continue on the earth for millions of years to come will depend on whether this problem can 10._(solve
16、)developmentappearedwhichoverbe solvedWhether结束放映结束放映返回导航页返回导航页Therefore，I couldnt spare enough time to write you back in time.所以所以,我没有我没有及及时抽出足抽出足够的的时间给你写回信。你写回信。 in timein time 及时及时;终于终于;总有一天总有一天 考点研析考点研析讲练互动区讲练互动区 词词汇汇细细解解in no time _at no time _at a time _at one time _from time to time _at times
17、 _take ones time _kill time _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 扩展延伸结束放映结束放映返回导航页返回导航页At the same timein timeAt no time where there is a will，there is a way巧学巧练巧学巧练(用用timetime短语填空短语填空)基基础练习础练习(2015天津高考写作天津高考写作)_，we are going to bring along about five hundred books
18、 with us for your class. _did they actually break the rules of the game.It was unfair to punish them.Youll succeed _because you are always working hard.Youd better do one thing _，so that you can concentrate on it.能力提升能力提升(高考小作文高考小作文)(2014山东高考写作山东高考写作)常言道，常言道，“有志者事竟成有志者事竟成”，我们，我们的努力迟早会有所回报。的努力迟早会有所回报
19、。As a proverb saying goes，“_”Our efforts_.at a timewill pay off in time 结束放映结束放映返回导航页返回导航页 These days，breaking traffic rules and littering are not uncommon，causing serious harm to life and the environment. harmn.harmfuladj. do /cause harm to sb=do sb.harm对某人有害对某人有害(1) (2) There is no harm in doing s
20、th./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) (1) harmful adj.有害的有害的(2) be harmful to sb./sth.对某人对某人/某物有害某物有害harmful 结束放映结束放映返回导航页返回导航页inharmful巧学巧练巧学巧练(单句语法填空单句语法填空)基基础练习础练习If you want to solve the problem in this way，there is no harm _ calling him.As we all know，a bad eating habit is
21、_(harm) to ones health.能力提升能力提升(一句多译一句多译)众所周知，过量喝酒对你的身体有害。众所周知，过量喝酒对你的身体有害。What is known to us is that drinking too much _.It is known to us that drinking too much _. is harmful to your health does harm to your health结束放映结束放映返回导航页返回导航页As is known to us，there exists a generation gap between the young
22、 and the old.There exists/existed.某地有某地有；存在；存在众所周知，青年人和老年人之众所周知，青年人和老年人之间存在着代沟。存在着代沟。 exist There exists/existed.某地有某地有；存在；存在结束放映结束放映返回导航页返回导航页 existence was an existing problem for a long time exists existing巧学巧练巧学巧练(单句语法填空单句语法填空)基基础练习础练习As is known to us，China came into _(exist) as an independent
23、country in 1949.There _a good way to solve the_problem in geography.(exist)You cant imagine what difficulty they have existing _the money he is earning.能力提升能力提升(一句多译一句多译)(2014北京高考写作北京高考写作)在我们学校自行车的存放是一个在我们学校自行车的存放是一个长久以来就存在的问题。长久以来就存在的问题。The parking place for bikes _in our school. onexist是不及物动词，没有被动
24、语态，也不用于进行时态。是不及物动词，没有被动语态，也不用于进行时态。结束放映结束放映返回导航页返回导航页When it is in my turn，I am too excited to speak.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 当轮到我时，我激动得都说不出话来了。当轮到我时，我激动得都说不出话来了。in ones tu
25、rn轮到某人；接着轮到某人；接着 扩展延伸结束放映结束放映返回导航页返回导航页 in turn in turn creates more problemsit is your turn巧学巧练巧学巧练(用用turnturn短语填空短语填空)基基础练习础练习Theory is based on practice and _serves practice.As far as I know,_to look after the children.Class Three should be responsible for raising the red flag this week_.能力提升能力提升
26、(句式升级句式升级)People try to avoid public transportation delays by using their own cars，and this_(反过来造成更多的问题反过来造成更多的问题)People try to avoid public transportation delays by using their own cars，_(定语从句定语从句) in its turn which in turn creates more problems结束放映结束放映返回导航页返回导航页写出下面写出下面pull短语的意义短语的意义(1)pull throug
27、h_(2)pull in_(3)pull out_(4)pull over_(5)pull up _使从使从(受伤受伤)中活下来中活下来;渡过难关渡过难关进站，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；停车拔起；停车They are pulling down those houses to make room for a new hotel. 扩展延伸pull down 拆毁；摧毁拆毁；摧毁为了了给新旅新旅馆腾地，他地，他们正在正在拆除拆除那些房屋。那些房屋。结束放映结束放映返回导航页返回导航页pull through The train
28、having pulled inpulled out巧学巧练巧学巧练(用用pullpull短语填空短语填空)基基础练习础练习Everyone was very concerned whether he would _or not.We waved as the train _of the station.能力提升能力提升 (句式升级句式升级)The train _(已进站停靠已进站停靠) and the passengers are boarding in now._，the passengers are boarding it now.(独立主格结构独立主格结构) has pulled in
29、结束放映结束放映返回导航页返回导航页 I do hope she can cheer up and accept the challenge of life bravely!_cheer up(cheer up(使使) )高兴；高兴；( (使使) )振奋；感到高兴；感到振奋振奋；感到高兴；感到振奋我真心希望她能我真心希望她能振作起振作起来，勇敢地接受生活的挑战！来，勇敢地接受生活的挑战！_ 使某人振作起来使某人振作起来_ (比赛中比赛中)以喝彩声鼓励；为某人加油以喝彩声鼓励；为某人加油_ 为为而欢呼而欢呼_口语口语(用于祝酒用于祝酒)干杯！干杯！ cheer sb.upcheer sb.on
30、cheer upcheer for Cheers! 扩展延伸结束放映结束放映返回导航页返回导航页to cheer to be cheeredfor巧学巧练巧学巧练单句语法填空单句语法填空When Im feeling sad，my mother tells me funny stories _(cheer) me up.Lets go to the football game and cheer _our favorite team.If they win the final tonight，the team are going to tour around the city_(cheer)
31、by their enthusiastic supporters.结束放映结束放映返回导航页返回导航页But when I tried to step forward，I found I was carried twice as far as on the earth and fell over.twice as far as.是是一一种种倍倍数数的的表表示示方方法法，意意为为“是是的的两两倍倍远远”，其其中中as far as.意意为为“远远到到”。而当我试着向前迈步的时候，我发觉我被送出去很远，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步子的跨度竟是在地球上的两
32、倍的两倍，因而我摔倒了。，因而我摔倒了。句句型型突突破破结束放映结束放映返回导航页返回导航页 Abe倍数倍数asadj./adv.原级原级as BThe red ruler is three times as long as the yellow one. Abe倍数倍数adj./adv.比较级比较级than B The red ruler is three times the length of the yellow one. 倍数表达法倍数表达法The red ruler is three times longer than the yellow one.Abe倍数倍数the名词名词(si
33、ze/weight/length.)of B 这个红尺子是黄尺子的三倍长。这个红尺子是黄尺子的三倍长。结束放映结束放映返回导航页返回导航页three times bigger thanthree times as large as three times the size of巧学巧练巧学巧练一句多译一句多译据据报道，最近道，最近发现了一了一颗行星，它几乎是地球的三倍大，行星，它几乎是地球的三倍大，人人类有望能在上面生活。有望能在上面生活。It is reported that a new planet has been discovered recently.Its almost _Eart
34、h，and hopefully it can support human life.It is reported that a new planet has been discovered recently.Its almost _Earth，and hopefully it can support human life.It is reported that a new planet has been discovered recently.Its almost _Earth，and hopefully it can support human life.结束放映结束放映返回导航页返回导航页
35、This produced a chain reaction，which made it possible for life to develop.这这是是“make it形形容容词词/名名词词 to do sth.”句句型型。该该句句型型中中it为为形形式式宾宾语语，指指代代后后面面的的不不定定式式结结构构，形容词或名词为宾语补足语。形容词或名词为宾语补足语。这就产生了一系列的反应，这就产生了一系列的反应，使得生命就可能发展了使得生命就可能发展了。eg:People in the west make it a rule to buy Christmas presents for their
36、relatives and friends.在西方在西方,人们常在圣诞节时购买礼物给亲属和朋友。人们常在圣诞节时购买礼物给亲属和朋友。结束放映结束放映返回导航页返回导航页 makes it difficult巧学巧练巧学巧练句型转换句型转换The present situation makes it is difficult for us to accomplish the task on time.The present situation _ _ _ for us to accomplish the task on time.名师指津名师指津名师指津名师指津 it作形式宾语，除指代不定式结
37、构外，作形式宾语，除指代不定式结构外，还可指代还可指代that引导的宾语从句。引导的宾语从句。They made it clear to the public that they did an important and necessary job. 他们向公众表明：他们所做的工作重要且他们向公众表明：他们所做的工作重要且必不可少。必不可少。结束放映结束放映返回导航页返回导航页“Oh dear，”I cried，“walking does need a bit of practice now that gravity has changed.”now that“既既然然；由由于于”，引引导导原
38、原因因状状语语从从句句。在语义上相当于在语义上相当于since，that在口语中可省略在口语中可省略“天哪天哪, ,”我大声说我大声说, ,“重力改变了重力改变了, ,看来走路也的确需看来走路也的确需要练一练了。要练一练了。”结束放映结束放映返回导航页返回导航页Now that youve got a chance巧学巧练巧学巧练一句多译一句多译你既然得到了一个机会，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._，you might as well make full use of it.(2015全国卷
39、全国卷满分作文满分作文)Now that you are interested in traditional Chinese cultures，I thought this festival would be a worthwhile experience for you.Since youve got a chance既然你对中国传统文化感兴趣，我认为这个节日对你既然你对中国传统文化感兴趣，我认为这个节日对你而言是个有价值的经历。而言是个有价值的经历。 英译汉英译汉结束放映结束放映返回导航页返回导航页 话题写作话题写作 综合应用区综合应用区单单句句语语法法填填空空1I think its m
40、y turn _(drive) the kids to school this week.2Her _(puzzle) look on her face suggested she didnt understand what I said.3Some boys are too crazy about playing games on the computer，which is very _(harm) to their health.4Last night，Mrs Green had a heart attack.But luckily，the doctor came_time to save
41、 her life.5It is strange that Mike should have killed his roommate last night!Yes.In the eyes of many people，Mike appears_(gently) and polite.to drive puzzledharmful ingentle结束放映结束放映返回导航页返回导航页6Not all people are aware of the various effects of_(globe) warming on Earth.7It is none of your business_ot
42、her 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 holiday.globalwhatup risingit结束放映结束放映返回导航页返回导航页1There is so much rain
43、on the island that its annual rainfall reaches as many as sixty inches. _2The river is so polluted that every day we can see a lot of things being floating on the water. _3If you put your heart into it，youll succeed on time. _4As time going by，I began to realize what I did was wrong. _ 5The problem
44、of pollution is worth paying attention. _6This is such interesting a film that I have seen it twice. _ manymuch去掉去掉beingonin AsWith或或goingwentattention后加后加to单单句句语语法法改改错错suchso结束放映结束放映返回导航页返回导航页话话题题写写作作根据提示，完成下面的小作文并背诵成文。根据提示，完成下面的小作文并背诵成文。1上个星期天，我家附近的一座大楼发上个星期天，我家附近的一座大楼发生了一场大火灾。生了一场大火灾。(a big fire
45、broke out)2楼梯到处是烟雾，这使人们很难逃生。楼梯到处是烟雾，这使人们很难逃生。(make it difficult for people to escape)3一个正要生孩子的妇女被困在一个正要生孩子的妇女被困在10楼。楼。(be about to give birth)4幸好消防员及时赶到并尽最大的努力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。营救处于险境的人们。(arrive in time)5依靠他们专业的知识，消防员很快就依靠他们专业的知识，消防员很快就阻止了火势的蔓延。阻止了火势的蔓延。(depend on，prevent the fire from sprea
46、ding)6从这个故事，我们知道我们能否杜绝从这个故事，我们知道我们能否杜绝火灾取决于我们是否有安全意识。火灾取决于我们是否有安全意识。(whether we have a sense of safety)结束放映结束放映返回导航页返回导航页温馨提示温馨提示: : 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练练 备考课时训练备考课时训练 Last Sunday，a big fire broke out in a building near my home and soon the stair was full of
47、 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 their 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.结束放映结束放映返回导航页返回导航页
