1、新知识预习探索.词汇热身1_ adj.极地的2_ n.探险者3_ adj.每年的4_ n.深度5_ adj.荒凉的，不适宜居住的6_ adj.极端的，极度的7_ adj.(具有)放射性的8run away _9on earth _polarexplorerannualdepthinhospitalextremeradioactive突然离开；逃离在世界上，究竟，到底10处于一种冰冻状态 _11on average _12adapt to _13in the form of _14stand out _15踏上，进入 _16in particular _17签订一个合约 _18目标是 _in a
2、 frozen state平均使适应 以的形式显眼，出色set foot on尤其sign a treatyaim to.句型熟记1由于年降水量接近于零，南极洲严格说来是个沙漠。_，Antarctica is technically a desert.2一条高大的山脉，跨南极山脉，横贯东西，将大洲一分为二。A high mountain range,the TransAntarctic range,runs from east to west,_.With annual rainfall close to zerocutting the continent in two3直到18世纪末，英国探
3、险家詹姆斯库克才穿越了南极圈，但他却从未发现任何陆地。Not until the late 18th century _，but he never saw land.4后来在1895年一位名叫卡斯腾博克格雷温克的挪威人成为踏上南极大陆的第一人。Then in 1895,a Norwegian called Carstens Borchgrevink became _.did the British explorer James Cook cross the Antarctic Circlethe first man to set foot on the Antarctic mainland.篇
4、章理解阅读Passage 1，判断正(T)误(F)。1Antarctica is the third largest continent in the world.()2On average,the ice is 2 kilometers thick,but in some places it reaches a depth of 5 kilometers.()3Antarctica is full of wildlife.()4.There are many trees on Antarctica.()5.Antarctica is a great place for researchers
5、.()6.Antarctica was the last continent to be discovered.()7.A Norwegian called Carstens Borchgrevink was the first man to set foot on the Antarctica mainland in 1895.()8.In 1961,a treaty signed by 12 countries made Antarctica the worlds biggest nature reserve.()FTTFTTTT新课堂互动探究知识点详解重点词汇、短语1state n状态，
6、状况；国家，政府，州；vt.说明，阐明，陈述【语境领悟】Antarctica holds 90%of the worlds ice,and most of its fresh water(70%)is in a frozen state.南极洲拥有世界90%的水，当然其大部分淡水(70%)都处于一种冰冻状态。He was in a poor state of health.他的健康状况不佳。He was quite in a state.他十分激动/紧张。State your name and address，please.请说出你的名字和地址。The Prime Minister state
7、d that he would visit Canada the next year.首相声明明年他将访问加拿大。归纳拓展in a.state处于状态be in/get into a state兴奋，紧张，焦虑It is stated that.据称statement n.声明；陈述即学即用【完成句子】(1)He is in a good _.他身体健康。(2)His _ will not permit him to travel.他的情况不允许他旅游。(3)We are in difficult _.我们处于困境。stateconditionsituation2depth n深度【语境领悟】
8、On average it is two kilometers thick,but in some places it reaches a depth of(深度)five kilometers.平均起来有两米厚，但在某些地方达到了五米的深度。They talked deep into the night.他们谈到深夜。I was deeply moved by the story he made up.我被他编的故事深深感动了。We should discuss the problems in depth.我们应该深入地讨论这些问题。How do I love you?Let me coun
9、t the ways.I love you to the depth and breadth and height my soul can reach.问我爱你有多深？让我告诉你：我的爱如天高，如地广，如海深。归纳拓展the/a depth of 的深度in depth 深入地；详细地；全面地out of ones depth 在深不着底的地方；力所不能及的at a depth of.在深处30 meters deep30 meters in depth 30米深deep into the night 直至深夜deep in thought 陷入深思deep in debt 债台高筑deepl
10、y 深深地，极大地，强烈地deepen 使变深即学即用【完成句子】(1)He measured the lake and it was 10 meters _ _.他测量了一下湖，它深10米。(2)Our teachers often work _ _ _ _.我们的老师常常工作到深夜。(3)We are _ moved by what she said and did.她的言行使我们深受感动。in depthdeep into the nightdeeply3adapt to 使适应【语境领悟】Yet Antarctica is full of wildlife,which has adap
11、ted to its extreme conditions.但南极洲仍然栖息着许多野生动物，它们已经适应了那里极其恶劣的条件。How do these insects adapt themselves to new environments?这些昆虫怎样使自己适应新的环境？He has not yet adapted to the climate.他还没适应这种气候。The author is going to adapt his play for television.作者将把他的剧本改编成电视剧。归纳拓展adaptation n.适应；改编adapt oneself to 使适应即学即用【
12、完成句子】He tried hard to _ _ _ the new conditions.他努力使自己适应新的情况。adapt himself to4trap v储存；使陷入困境，诱骗；n.陷阱；圈套【语境领悟】I was trapped into admitting that I had lied.我中了圈套，承认自己撒谎了。The police set a trap for the thieves.警察设下了圈套捉小偷。归纳拓展be trapped in.被困在trap sb.into(doing)sth.使某人上当，使中计set/lay a trap 布好陷阱be caught in
13、 a trap of.陷入 的困境；中圈套fall into the trap of doing sth.做(某事)不明智即学即用【完成句子】(1)_(trap)in loveless marriages，many women feel that life is colorless.(2)She _ _ _ the burning house.她被困在燃烧着的房子里了。(3)写出下列句子中划线部分的含义 The hunter set_traps to catch foxes._ I knew perfectly well it was a_trap._The police trapped_hi
14、m_into_telling_the_truth._Many women are_trapped_in loveless marriages._Trappedwas trapped in设陷阱一个陷阱设圈套使他招供陷入5balance v(使)平衡；权衡；n.平衡；秤【语境领悟】Can you balance yourself on skates?你穿冰鞋能保持平衡吗？She balanced the attractions of a high salary against the prospect of working long hours.她对高薪和长工时两者的利弊作了权衡比较。I los
15、t my balance and fell.我身体失去平衡，摔了一跤。归纳拓展balance the advantages against the disadvantages 权衡得失keep ones balance 保持平衡lose ones balance 失去平衡catch/throw sb.off balance 使失去平衡而有跌落的危险be/hang in the balance 未定的，不确定的on balance 全面考虑之后，总的来说balanced adj.平稳的，安定的，和谐的keep a balanced diet 保持均衡的饮食即学即用【完成句子】(1)The gir
16、l _ _ _ and fell off the balance beam.小女孩失去了平衡，从平衡木上摔了下来。(2)We were struggling to _ _ _ as the boat rolled.当船颠簸前进时，我们试图保持平衡。lost her balancekeep our balance6promote v促进；增进；宣传；推广【语境领悟】The organization works to promote friendship between the two nations.该组织为了促进两国之间的友谊而工作。The company was promoting thei
17、r new products on television.这家公司正在电视上宣传他们的新产品。Im happy to inform you that you have been promoted to captain.我很高兴地告诉你，你已经被提升为上尉了。Congratulations on your promotion.祝贺你提升。归纳拓展 promote sb.from sth.to sth.把某人从某职位提升到某职位,be promoted to.被升为,promote development/understanding/foreign trade 促进发展/加深了解/促进对外贸易,p
18、romotion 提升，晋级；鼓励，提倡,get/win/gain promotion 得到/争取晋升即学即用【完成句子】(1)His assistant _ _ _ senior manager.他的助手被提升为高级经理。(2)His number one aim is to _ _.他的第一大目标是得到晋升。(3)用promote的适当形式填空It appears to reduce pressure and _ a sense of well-being.She worked hard and was soon_ from a saleswoman to a manager.Do you
19、 have any idea about how to _ the sales of this product?The new job is a_ for him.was promoted toget promotion/promotedpromotepromotedpromotepromotion知识点详解重点句型 Not until the late 18th century did the British explorer James Cook cross the Antarctic Circle,but he never saw land.直到18世纪末，英国探险家詹姆斯库克才穿越了南
20、极圈，但他却从未发现任何陆地。【句式分析】句中的but是一个并列连词，连接了前后两个并列分句，前后两个句子是转折关系。在前一分句中，Not until the late 18th century是时间状语，放在句首时产生倒装。not until.did主语(倒装句)直到才【语境领悟】Not until all the fish died in the river did the villagers realize how serious the pollution was.直到河里的鱼都死了，村民们才意识到污染的严重性。The noise of the street didnt stop un
21、til midnight.Not until midnight did the noise of the street stop.街上的噪音一直到午夜才停止。She didnt go to bed until her mother came back.Not until her mother came back did she go to bed.直到妈妈回家她才上床睡觉。即学即用【完成句子】(1)Not until I came home last night _ _ _(妈妈才上床睡觉)(2)It was not until he came back from Africa that ye
22、ar _ he met the girl he would like to marry.did Mum go to bedthat新思维随堂自测.单词拼写1.A_ is the fifth largest continent in the world.2.Christopher Columbus was one of the great e_.3.He was p_ to professor.4.The country signed a peace t_ with a neighbouring country.5This area had a heavy _(降雨量)last month.6.
23、The _(每年的)rainfall is little on the island.7.Nobody knows what the _(深度)of the well is.8.You have to _(权衡)the advantages of living downtown against the disadvantages.9.It was _(不好客的)of you not to offer her a drink.Antarcticaexplorerspromotedtreatyrainfallannualdepthbalanceinhospitable.用所给词组的适当形式填空1H
24、e didnt pass the exam _ his laziness.2He stressed that point _.3She enjoyed riding horses and playing with words _ reading.4His father gave him a suggestion _ a question.5.He is very tall,so he _ in the crowd.6We receive 20 letters a day _.7Ill _ the life at college before long.8The USA _ 50 states.
25、as a result ofin particularas well asin the form of stands outon averageis made up of.根据课文内容填空Antarctica:the Last ContinentAntarctica is the _1_ and _2_ place on Earth.It is the _3_ largest continent in the world.It holds 90%of the worlds ice，and most of its _4_ water(70%)is in a frozen state.98%of
26、the surface is covered permanently in the ice cap.Most of the ice has been there for _5_ of years.As a result,it can give researchers lots of _6_ information.Yet Antarctica is _7_ of wildlife,which has adapted _8_ its extreme conditions and few types of plants can _9_ there.coldestdriestfifthfreshth
27、ousandsusefulfulltosurviveAntarctica was the last continent to be _10_.In the 15th century,the great age of _11_ began.However,progress to the South Pole was _12_.Then in 1895，a Norwegian called Carstens Borchgrevink became the first man to set _13_ on the Antarctic mainland.The _14_ to the pole had
28、 begun.Today scientists from many countries travel to Antarctica to study its _15_.In 1961,a _16_ signed by 12 countries made Antarctica the worlds _17_ nature reserve.The _18_ of the treaty is to prevent all kinds of pollutions.Today countries representing 80%of the worlds _19_ have signed the treaty.Antarctica has become perhaps the most successful symbol of mans efforts to work together for progress and _20_.discoveredexplorationslowfootraceresourcestreatybiggestaimpopulationpeace