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1、2021/8/11 星期三12021/8/11 星期三2.重点单词重点单词1.adj.猛烈的；激烈的；猛烈的；激烈的；强强暴的暴的 n激烈；猛烈激烈；猛烈2.adj.有害的有害的 n伤伤害害(反反义词义词)3.n发发展展 v发发展展adj.发发展中的展中的 adj.发发达的；先达的；先进进的的4.v依靠；依依靠；依赖赖 n依靠依靠 adj.依依赖赖的的 (反反义词义词)独立独立violentviolenceharmfulharmharmlessdevelopmentdevelopdevelopingdevelopeddependdependencedependentindependent202
2、1/8/11 星期三35.v存在；生存存在；生存 n生存生存6.n到到场场 adj.到到场场的；出席的的；出席的 adj.缺席的；不到缺席的；不到场场的的7.v使失望；使落空使失望；使落空 adj.感到失望的感到失望的 adj.令人失望的令人失望的 n失望失望8.adv.逐逐渐渐地地 adj.逐逐渐渐的的existexistencepresencepresentabsentdisappointdisappointeddisappointingdisappointmentgraduallygradual2021/8/11 星期三49.n谜谜；难题难题；v.(使使)迷惑迷惑 adj.感到迷惑的感到
3、迷惑的 adj.令人迷惑的令人迷惑的.重点短语重点短语1.solar 太阳系太阳系2.eggs 下蛋下蛋3.in ones 轮轮到某人；接着到某人；接着4.out 挡挡住住(光光线线)5.get the of 熟悉；掌握；理解熟悉；掌握；理解puzzlepuzzledpuzzlingsystemlayturnblockhang2021/8/11 星期三56.out 密切注密切注视视；当心；提防；当心；提防7.on 依靠；依依靠；依赖赖8.in 及及时时；终终于于9.give to 产产生；分娩生；分娩10.up 感到高感到高兴兴；感到振；感到振奋奋11.既然既然12.out 爆爆发发；突；突发
4、发13.as a of 由于由于的的结结果果14.get to 靠近靠近watchdependtimebirthcheernow thatbreakresultclose2021/8/11 星期三615.be to 对对有害有害16.from 阻止；制止阻止；制止17.to ones 令某人失望的是令某人失望的是18.cool 冷却冷却19.(时间时间)前前进进；推移；走；推移；走过过e into 开始存在；开始存在；产产生生 harmfulpreventdisappointmentdowngo by existence2021/8/11 星期三7.重点句型重点句型1.it was to be
5、come was uncertain until between 4.5 and 3.8 billion years ago when the dust settledinto a solid globe.随后它会随后它会变变成什么没人能知道，直到成什么没人能知道，直到3845亿亿年前，年前，这团尘这团尘埃才慢慢地形成一个固体的球状物。埃才慢慢地形成一个固体的球状物。What2021/8/11 星期三82.So life will continue on the earth for millions of years to come will depend on this problem ca
6、n be solved.所以，在未来的数百万年中，生命能否在地球上延所以，在未来的数百万年中，生命能否在地球上延续续取决于取决于这这个个问题问题能否得到解决。能否得到解决。whetherwhether2021/8/11 星期三93.When we get closer to the moon,we shall feel its gravity pulling us,but it will not be the earths.当我当我们们更接近月球更接近月球时时，就会感到月球的引力在拉我，就会感到月球的引力在拉我们们。但是，月球的引力不像地球的引力那但是，月球的引力不像地球的引力那样样大。大。a
7、s strong a pull as2021/8/11 星期三104.But when I tried to step forward,I found I was carried on the earth and fell over.而当我而当我试试着向前着向前迈迈步的步的时时候，我候，我发觉发觉我被送出去很我被送出去很远远，步子的跨度竟是地球上的两倍，因而我摔倒了。步子的跨度竟是地球上的两倍，因而我摔倒了。twice as far as2021/8/11 星期三11.语篇练习语篇练习根据根据课课文文How Life began on the Earth完成下列短文。完成下列短文。At the
8、 very beginning，the earth was just a cloud of_1_(energy)dust.Then the dust combined_2_a ball moving around the sun.After that,it exploded loudly with fire and rock，_3_(produce)water vapour,carbon，dioxide and other gases，_4_in the end made the earths atmosphere.2021/8/11 星期三12Then the earth cooled _5
9、_，and water，one of the earths special qualities，appeared and stayed_6_the earth，which made_7_possible for life to begin_8_(develop).Some small plants_9_(grow)in the water appeared on the earths surface，_10_(follow)by land animals，_11_insects，amphibians，reptiles and the_12_important animals called di
10、nosaurs until finally dinosaurs disappeared_13_of a sudden and some small clever animals with hands and feet appeared and spread all_14_the earth and in place of dinosaurs they became_15_most important animals on the planetthat is,human beings.2021/8/11 星期三13答案答案1.energetic2.into3.producing4.which5.
11、down6.on7.it8.to develop9.growing10.followed11.including/like12.most13.all14.over15.the2021/8/11 星期三142021/8/11 星期三15.重点词汇及短语重点词汇及短语1exist vi.存在；生存存在；生存They laid eggs too and existed on the earth for more than 140 million years.(回回归课归课本本P26)2021/8/11 星期三16要点导航要点导航exist in存在于存在于之中之中exist on靠靠为生为生exis
12、t by靠靠生存生存existing adj.目前的；现存的目前的；现存的existence n存在；生存存在；生存be in existence存在存在come into existence开始存在；成立开始存在；成立bring into existence使发生，产生使发生，产生 2021/8/11 星期三17完成句子完成句子(1)关于宇宙是如何产生的，科学家们有许多种论说。关于宇宙是如何产生的，科学家们有许多种论说。Scientists have many theories about how the universe first.(2)目前他有三份不同的健康记录。目前他有三份不同的健康
13、记录。There are three different versions of his health record currently.came into existencein existence2021/8/11 星期三18(3)别别再假装再假装这这个个问题问题不存在了。不存在了。Stop pretending the problem.(4)那位病人靠吃米那位病人靠吃米饭饭和水活着。和水活着。The patient rice and water.2puzzle n难题；谜难题；谜；vt.&vi.(使使)困惑；困惑；(使使)糊涂糊涂How life began on earth is on
14、e of the biggest puzzles that scientists found hard to solve.(回回归课归课本本P27)doesnt existexists on2021/8/11 星期三19要点导航要点导航a crossword puzzle纵横字谜纵横字谜puzzle over/about sth.对对苦苦思索苦苦思索(以便理解以便理解)puzzle sth.out开动脑筋琢磨出开动脑筋琢磨出的答案或解决方法的答案或解决方法puzzled adj.迷惑不解的；困惑的，茫然的迷惑不解的；困惑的，茫然的puzzling adj.令人费解的；令人迷惑的令人费解的；令人
15、迷惑的puzzlement n困惑；迷惘困惑；迷惘 2021/8/11 星期三20完成句子完成句子(1)他为何做那样的事，我们完全搞不懂。他为何做那样的事，我们完全搞不懂。to us why he did that.(2)这个句子令我困惑。这个句子令我困惑。This sentence(3)她几天也琢磨不透他那封奇怪的来信。她几天也琢磨不透他那封奇怪的来信。Shes been his strange letter for days.(4)老师让学生动脑筋自行寻找问题的答案。老师让学生动脑筋自行寻找问题的答案。The teacher left the children the answer to
16、the problem themselves.Its quite a puzzlepuzzles me.puzzling overto puzzle out2021/8/11 星期三213escape v&n.逃跑，逃离逃跑，逃离.which prevents heat from escaping from the earth into space.(回回归课归课本本P26)2021/8/11 星期三22要点导航要点导航escapen./doing sth.逃脱了逃脱了/避免了避免了escape from/out of.从从逃跑逃跑sth.escape sb.被某人遗忘；未被注意被某人遗忘；未
17、被注意a narrow escape九死一生九死一生make ones escape逃跑逃跑2021/8/11 星期三23归纳辨析归纳辨析escape，flee，run away(1)escape着着重重强强调调逃逃跑跑后后的的结结果果，而而不不是是逃逃跑跑的的动动作本身。作本身。We all escaped unscathed.我们全部安然逃脱。我们全部安然逃脱。(2)flee着着重重强强调调逃逃跑跑的的行行为为，常常含含有有因因“惧惧怕怕”而而逃跑的意味。逃跑的意味。The enemy soldiers were fleeing in all directions.敌兵四处逃窜。敌兵四处逃
18、窜。2021/8/11 星期三24(3)run away强调动作性，有时含有强调动作性，有时含有“不辞而别不辞而别”之之意，是口头用语。意，是口头用语。Nobody could foresee that he would run away.谁也没料到他会不辞而别。谁也没料到他会不辞而别。2021/8/11 星期三25完成句子完成句子(1)有什么办法可以避免和他见面吗？有什么办法可以避免和他见面吗？Is there any way to him?(2)他从敌人的监狱逃了出来。他从敌人的监狱逃了出来。He the enemys prison.(3)他在一个雨夜逃走了。他在一个雨夜逃走了。He a
19、rainy night.(4)那可真是九死一生。那可真是九死一生。That is really.(5)他的名字我一时忘了。他的名字我一时忘了。His name for the moment.escape meetingescaped frommade his escape ona narrow/near escapeescaped me2021/8/11 星期三264harmful adj.有害的；可致损伤的有害的；可致损伤的What many scientists believe is that the continued presence of water allowed the eart
20、h to dissolve harmful gases and acids into the oceans and seas.(回回归课归课本本P26)2021/8/11 星期三27要点导航要点导航be harmful to对对有害有害do sb.harm/do harm to sb.对某人有害对某人有害do more harm than good弊大于利弊大于利out of harms way在安全的地方在安全的地方There is no harm in(sb.s)doing sth.(某某人人)做做某某事事无无害害处处It does no harm(for sb.)to do sth.(某
21、人某人)做某事无害处做某事无害处come to harm(身体、精神或道义上身体、精神或道义上)受到损害受到损害do sb.good/do good to sb.对某人有好处对某人有好处It is no good doing sth.做某事没好处做某事没好处 2021/8/11 星期三28完成句子完成句子(1)吸烟有害健康。吸烟有害健康。Smoking your health.(2)这些是吸烟的害处。这些是吸烟的害处。These are of smoking.(3)那次台风对稻谷的收成造成了很大的损害。那次台风对稻谷的收成造成了很大的损害。The typhoon the rice crop.i
22、s harmful tothe harmful effectsdid great harm to2021/8/11 星期三29(4)这这种种细细菌菌对对人无害。人无害。The bacteria human beings.(5)他可能会拒他可能会拒绝绝，但，但问问一一问问也无妨。也无妨。He may say no，but in asking.(6)我我们们决不做有决不做有损损和平事和平事业业的事。的事。We dont do anything that will.is harmless totheres no harmharm the cause of peace2021/8/11 星期三305b
23、reak out突发；爆发突发；爆发We watched,amazed as fire broke_out_on the outside of the spaceship as the earths gravity increased.(回回归归课课本本P31)2021/8/11 星期三31要点导航要点导航break ones heart使某人难过使某人难过break up打碎；驱散；破裂；放假；散会打碎；驱散；破裂；放假；散会break into闯入，破门而入闯入，破门而入break off休休息息一一下下；打打断断；结结束束；突突然然停停止止谈谈话话；断断绝关系绝关系break down出
24、故障，坏掉；使分解出故障，坏掉；使分解(为为)break in闯入；打断闯入；打断break away from打破，脱离打破，脱离2021/8/11 星期三32break through突突围围；冲破；冲；冲破；冲垮垮without a break/rest不停地，一直不停地，一直Give me a break！住嘴！住嘴！饶饶了我吧！了我吧！have a break休息一下休息一下2021/8/11 星期三33完成句子完成句子(1)911事件发生的时候，他们正在去纽约的飞机上。事件发生的时候，他们正在去纽约的飞机上。They were on a plane to New York when
25、 the 9 11 Event.(2)双方球迷发生了打斗。双方球迷发生了打斗。Fighting had between rival groups of fans.6in time及时；最终及时；最终They were to produce carbon,nitrogen，water vapour and other gases，.(回回归课归课本本P25)broke outbroken outin time2021/8/11 星期三34要点导航要点导航against time争分夺秒地；尽快地争分夺秒地；尽快地ahead of time提前；提早提前；提早all the time一直；始终一直
26、；始终as time goes on随着时间的推移随着时间的推移at no time绝不，在任何时候都不绝不，在任何时候都不at one time曾经，一度曾经，一度at a time一次一次at any time任何时候任何时候2021/8/11 星期三35at all times总总是是at the same time同同时时；然而；可是；然而；可是from time to time有有时时；不；不时时gain time(钟钟、表等、表等)走得快走得快have a good time玩得愉快玩得愉快in no time立刻，立刻，马马上上on time按按时时，准，准时时take ones
27、 time从容从容进进行，不慌不忙行，不慌不忙2021/8/11 星期三36完成句子完成句子(1)你早晚能学会做这件事的。你早晚能学会做这件事的。Youll learn how to do it.(2)最终他们学会了接受他们的继母。最终他们学会了接受他们的继母。They learned to accept their stepmother.(3)谢谢你及时提醒我，否则我就赶不上车了。谢谢你及时提醒我，否则我就赶不上车了。Thank you for reminding me,or I would have missed the bus.(4)我赶得上那趟火车吗？我赶得上那趟火车吗？Will I
28、be the train?in timein timein timein time for2021/8/11 星期三37(5)救救护车护车及及时时赶来，挽救了她的生命。赶来，挽救了她的生命。The ambulance got there just save her life.7give birth to产生；生育产生；生育These animals were different from all life forms in the past，because they gave_birth_to young baby animals.(回回归课归课本本P26)in time to2021/8/1
29、1 星期三38要点导航要点导航at birth出生，诞生出生，诞生by birth在血统上；生来在血统上；生来be of good/noble birth 出身名门出身名门from birth天生，先天天生，先天a second birth再生，新生再生，新生bring it to birth使产生使产生the birth of an idea一个想法的萌生一个想法的萌生the birth of a nation一个国家的诞生一个国家的诞生2021/8/11 星期三39完成句子完成句子(1)His sister(生生了了个个男男孩孩)yesterday.(2)He only weighed t
30、hree pounds(出出生生时时)(3)Mark has been blind(天生天生)gave birth to a boyat birthfrom birth2021/8/11 星期三40.经典句型经典句型1What it was to become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe.随后它会变成什么没人能知道，直到随后它会变成什么没人能知道，直到3845亿亿年前，这团尘埃才慢慢地形成一个固体的球状物。年前，这团尘埃才慢慢
31、地形成一个固体的球状物。2021/8/11 星期三41要点导航要点导航to become不定式短语在主语从句中作表语。不定式短语在主语从句中作表语。“be动词不定式动词不定式”的常见用法还有：的常见用法还有：(1)表表示示命命令令，意意为为“必必须须，不不得得不不”(must，have to)。You are to do your homework before you watch TV.你得做完了作业才能看电视。你得做完了作业才能看电视。2021/8/11 星期三42(2)表表示示可可能能性性，相相当当于于can，主主要要用用于于疑疑问问句句和和否否定定句。句。How am I to kno
32、w what has become of him?我怎么知道他的遭遇如何呢？我怎么知道他的遭遇如何呢？Not a sound was to be heard.一点声音也不可能听到。一点声音也不可能听到。2021/8/11 星期三43(3)表示假表示假设设。Certain skills must be learned if one is to use English well.如果想要用好英如果想要用好英语语，某些技巧是必，某些技巧是必须须得学的。得学的。(4)表示目的。表示目的。This house is to be let or sold.这这房子要出租或出售。房子要出租或出售。(5)表示表
33、示“命运注定命运注定”，通常用于，通常用于过过去去时时。2021/8/11 星期三44完成句子完成句子(1)年轻时，他不知道自己日后会举世闻名。年轻时，他不知道自己日后会举世闻名。As a young man he didnt know helater on.(2)这个发现对心脏病的治疗产生了重大影响。这个发现对心脏病的治疗产生了重大影响。This discovery on the treatment of heart disease.(3)后来这里成了第一批外国人在澳洲的居住地。后来这里成了第一批外国人在澳洲的居住地。Later this was of the first foreign s
34、ettlements in Australia.was to win world famewas to have a major effectto become the place2021/8/11 星期三45(4)在在1642年年，一一个个男男孩孩在在英英国国出出生生了了，后后来来他他成成了了世世界界历历史上最史上最伟伟大的科学家之一。大的科学家之一。In 1642 a boy was born in England who one of the greatest scientists in the history of the world.2.，but it will not be as
35、strong a pull as the earths.，但它不如地球的引力那么强。，但它不如地球的引力那么强。was to become2021/8/11 星期三46要点导航要点导航asadj.a(n)n.as句句型型是是“as.as”结结构构的的一一种种变变化化形形式式。与与as的的这这种种用用法法类类似似的的词词还还有有too.to.句句型型中中的的too，感叹句中的，感叹句中的how，so.that.句型中的句型中的so等。等。as.as.比较结构：比较结构：(1)基基本本用用法法：as形形容容词词或或副副词词原原级级as分分句句。否否定定形形式式为为not as/so.as。主主句句
36、主主语语与与as分分句句主主语语不不同同但但比比较较的项目相同。的项目相同。Jahn is as bright as Bob.约翰与鲍勃一样聪明。约翰与鲍勃一样聪明。2021/8/11 星期三47(2)主主语语相同，但比相同，但比较较的的项项目不同。目不同。The girl was as intelligent as she was beautiful.这这姑娘既漂亮又姑娘既漂亮又聪聪明。明。(3)as much/many名名词词as分句分句He took as much butter as he needed.他他带带的的这这些黄油些黄油够够需要的。需要的。(4)as形容形容词词原原级级名名
37、词词组词词组as分句分句Jack is as efficient a worker as Bill.杰克和比杰克和比尔尔都是工作效率很高的工人。都是工作效率很高的工人。2021/8/11 星期三48完成句子完成句子(1)我我想想用用一一种种尽尽可可能能大大众众化化的的方方式式把把我我的的个个人人经经历历表达出来。表达出来。I want to express my personal experience in.(2)这这位位歌歌手手希希望望利利用用尽尽可可能能流流行行的的歌歌曲曲来来表表达达个个人人的思想情感。的思想情感。The singer tends to express his feeli
38、ngs and thoughts in.as universal a way as possibleas popular a song as possible2021/8/11 星期三49(3)他力他力图图解最解最难难的的题题目以目以显显示他的示他的聪聪明。明。He tried to show his intelligence by working out.(4)迪克和迪克和迈迈克是一克是一样样淘气的孩子。淘气的孩子。Dick is Mike.as difficult a problem as possibleas naughty a boy as2021/8/11 星期三503.，I fou
39、nd I was carried twice as far as on the earth and fell over.(当我向前迈步的时候当我向前迈步的时候)我发现我所我发现我所走的距离是在地球上的两倍，我跌倒了。走的距离是在地球上的两倍，我跌倒了。2021/8/11 星期三51要点导航要点导航倍数表达法：倍数表达法：(1).times as.as.是是的几倍的几倍Asia is four times as large as Europe.亚洲的大小是欧洲的亚洲的大小是欧洲的4倍。倍。(2).times形容词形容词/副词比较级副词比较级thanThe new building is four
40、 times higher than the old one.新楼比旧楼高新楼比旧楼高4倍。倍。2021/8/11 星期三52(3).timesthe size/height/length/width/depthof.This ball is twice the size of that one.这这个球的大小是那个球的两倍。个球的大小是那个球的两倍。(4).timeswhat从句从句The production now is there times what it was ten years ago.现现在的在的产产量是十年前的量是十年前的3倍。倍。2021/8/11 星期三53完成句子完成
41、句子(1)现在的书比五年前多五倍。现在的书比五年前多五倍。There are more than five years ago.(2)我们每个人比我们每个人比1910年吃的蔬菜多三倍。年吃的蔬菜多三倍。We are eating vegetables per person today as we did in 1910.(3)我的房子是我父母房子的两倍大。我的房子是我父母房子的两倍大。My house is my parentsfive times as many books asthree times more thantwice the size of2021/8/11 星期三544Thi
42、s produced a chain reaction，which made it possible for life to develop.这样就产生了一条反应链，使这样就产生了一条反应链，使得生命的发展成为了可能。得生命的发展成为了可能。2021/8/11 星期三55要点导航要点导航在此句中，在此句中，it作形式宾语，真正的宾语是作形式宾语，真正的宾语是to develop。it作形式宾语还可代替动名词、不定式、从句。作形式宾语还可代替动名词、不定式、从句。it还可以作形式主语，可构成如下句型：还可以作形式主语，可构成如下句型：Itsadj.for sb.to do sth.对某人来说做某
43、事对某人来说做某事Itsadj.of sb.to do sth.某人如此某人如此而做某事而做某事2021/8/11 星期三56强强调调句型：句型：It is被被强强调调部分部分who/that.It is the first/second time that.某人第几次做某事某人第几次做某事It is(high)time that sb.did/should do sth.是是某某人人该该做做的的时时候了候了Its said/reported/thought that.据据说说/报报道道/认为认为Its a pity/a shame/a wonder that.可可惜惜/奇奇怪怪的的是是It
44、happens/appears/seems that.恰巧恰巧/好像好像It seems/looks as if.看起来好像看起来好像Its up to sb.to do sth.该该某人做某事某人做某事2021/8/11 星期三57完成句子完成句子(1)他认为帮助别人是他的职责。他认为帮助别人是他的职责。He thinks others.(2)他把每天早晨六点起床作为制度。他把每天早晨六点起床作为制度。He made at six in the morning.(3)我们认为去海边没用。我们认为去海边没用。We considered to the seaside.(4)我发现学好英语很难。我
45、发现学好英语很难。I find English well.it his duty to helpit a rule to get upit no use goingit very difficult to learn2021/8/11 星期三58(5)我我们们都都认为认为你没参加聚会很你没参加聚会很遗遗憾。憾。We all considered you didnt come to the party.it a pity that2021/8/11 星期三59.话题美文诵读话题美文诵读Should a Student Own a Mobile Phone?学生应该拥有手机吗？学生应该拥有手机吗？
46、Nowadays，with the rapid development of information industry,the mobile phone plays an important part in peoples life.It is not uncommon to find students using mobile phones on campus.In my opinion,it is not necessary for a middle school student to own a mobile phone.The following are the reasons of
47、my viewpoint.2021/8/11 星期三60First of all,mobile phones give unpleasant noise at some important occasions when the owners forget to turn them off.I often feel annoyed at the sound of the mobile phone when I am having a lesson.Secondly,the main task for students is to acquire knowledge and learn pract
48、ical skills.We should have a clear sense of our duties and focus our time and energy on studies so that we shall be better enabled to build up a successful career in life.Using mobile phones distracts our attention and has negative effect on our studies.Furthermore,a mobile phone costs a lot of mone
49、y and so it only adds the financial burden to the family.2021/8/11 星期三61For all these reasons we should put away our mobile phones and focus our attention on studies.【文章结构】【文章结构】提出提出议题议题；分析学生不；分析学生不应拥应拥有手机的理由；有手机的理由；结论结论。2021/8/11 星期三62【语言亮点】【语言亮点】词语词语(1)on campus在校园在校园(2)acquire knowledge and learn
50、 practical skills学学习习知识，掌握本领知识，掌握本领(3)have a clear sense of the duties有责任感有责任感(4)focus our time and energy on studies把把时时间间和和精精力力集中在学习上集中在学习上2021/8/11 星期三63佳句佳句(1)It is not uncommon to find students using mobile phones on campus.(2)I often feel annoyed at the sound of the mobile phone when I am havi