人教新课标高中英语选修9 unit2重点单词讲解
高二英语人教版选修9课件：Unit 2 Sailing the oceans 单元重点小结
单元重点小结
交 际 功 能
Cause and effect(原因与结果) 1.Why are you...?你为什么...? 2.How could you...?你 怎么能……? 3.Why did you...? 你为什么……? 4.Because of....因为…… 5.It was because.... 这是因为…… 6.The reason is that....原因是…… 7.As he.... 因为他…… 8.Since he....因为他…… 9.Now that.... 既然…… 10.It was due to....这是因为…… 11.It is...,so I’m afraid....它……,所以我害怕…… 12.Therefore,...因此,……
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逼得某人发疯
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Байду номын сангаас
单元重点小结
重 点 句 型
重 点 语 法
1.Seabirds could be used to show the way to land when . 当什么也看不到的时候海鸟可以用来指路。 2.There was no secure method of measuring longitude until the 17th century . 直到 17 世纪英国人解决了这个理论问题后,人们才有了测量经度的可靠 方法。 3. it still used the moving ship as one of the fixed points of reference. 它的缺点是仍然用移动的船作为固定的参考物之一。 复习谓语 1.So how they so well?他们航海怎么如此棒? 2.He three great Pacific voyages during his life. 他在其一生共率领了三次伟大的太平洋航行。 3.As you from the map we to a straight course pretty well. 从地图上你可以看出,我们的直线行驶保持得相当好。 4.The tension in the boat as the supply of food and water gradually disappeared. 船上的紧张气氛加剧了因为食物和水的供应逐渐在消失。
人教版高中英语单词表选修九unit 2
swoop parcel peck cliff expedition compulsory reform survival Captain Bligh Tahiti incident departure crew deposit dilemma drawback dusk routine reckon reckoning starvation psychology psychologically tension gradual foresee thirst Timor set loose tear hardship jaw jaws of death Greenland Shetland Islands the Faroe Islands roar background
vi.突降，猛扑 n.悬崖，峭壁 vt.vi.啄食 n.悬崖，峭壁 n.远征 adj.必须做的，必修的 n.改革，革新 n.生存，幸存 布莱船长 塔西提岛（位于太平洋） n.事件，事变 n.出发，离开 n.（轮船、飞机等上的）工作人员，（工作）队 vt.放，（把钱）存入银行 n.进退两难的局面 n.缺点，障碍 n.薄暮，黄昏 n.常规，日常事务 vt.计算，估计 n.计算，估计 n.挨饿，饿死 n.心理学 adv.心理上地；心理学地 n.紧张，不安，张力 adj.逐渐的，逐步的 vt.预知，预见 n.渴，口渴 帝汶岛（位于东南亚） 出发，开始 vt.扯破，撕破 n.困苦，艰难 n.颚，颌，下巴 鬼门关，死神 格林兰（位于北美洲东北部，世界第一大岛） 设得兰群岛（位于英国苏格兰北部） 法罗群岛（位于丹麦北大西洋） vt.vi.咆哮，轰鸣 n.背景，后台
选修九 Unit 2 Marco Polo latitude voyage mercy at the mercy of encyclopedia alongside exploration minimum celestial pole equator horizon overhead seaweed nowhere offshore outward tide secure knot log nautical nautical mile magnetic bearing circle random astrolabe awkward reference quadrant precise simplify portable shortcoming sextant update tendency reliable Samuel
【英语周报】人教版选修九Unit 2备课资料：辅导 重难点解析
Unit 2 Sailing the oceans一、核心单词用法例析1．alongside prep.靠着；沿着The children walked alongside the street. 小孩们沿着街道行走。
2．nowhere adv. 无处We can go nowhere. 我们没地方可去。
真题：Maybe you have been to many countries, but nowhere else ______ such a beautiful place. （NMET2004年辽宁，26）A. can you findB. you could findC. you can findD. could you find解析：选A。
nowhere else是否定词，以否定词开头的句子要进行倒装。
根据上一个句子的谓语动词可确定用一般现在时。
注：nowhere置于句首时，句子要用倒装的语序。
3．awkward adj.难使用的；笨掘的Don’t buy such an awk ward pen next time. 下次不要买这么难用的钢笔了。
She is awkward while doing housework. 做家务时她笨手笨脚。
4．precise adj.精确的；准确的I found my bag at the precise spot where I had left it. 我在我放提包的确切地方找到了它。
5．simplify vt.单一化；简单化A computer simplifies our work. 电脑简化了我们的工作。
Simplify the instructions so that the readers can understand them easily.请简化说明，以便读者能容易读懂。
6．update vt.更新Our government updated the related law. 我们政府更新了相关的法律。
人教新课标高中英语选修9-unit2重点单词讲解-PPT
encyclopedia (4)
• a book or set of books containing many articles arranged in alphabetical order which deal either with the whole of human knowledge or with a particular part of it
大家有疑问的，可以询问和交流
可以互相讨论下，但要小声点
overhead (8)
• above your head, usually in the sky • This room needs overhead lighting (= lights in the ceiling).(Cambridge) • adj. 在头上的 adv. 在头顶上；在空中；在高处 • [over-=above在…之上] • An eagle circled high overhead. • 一只鹰在高空盘旋。 • On a clear day especially during the summer the sailors could use the sun
• The Cambridge Encyclopedia of Language(Cambridge) • n. 百科全书 • A good encyclopedia is a mine of information. • 一部好百科全书是知识宝库。 • Read these pages from an encyclopedia. (9) • A good encyclopedia (°Ù¿Æ È«Êé), though expensive, is useful, too,
最新精编高中人教版选修9高中英语 unit 2 sailing the oceans词汇讲解
Unit 2 Sailing the oceansTeaching ResourcesSection 3: Words and expressions from Unit 2Sailing the oceansmercynoun (pl. -ies)1.[U] a kind or forgiving attitude towards sb that you have the power to harm or right to punish humanity:to ask / beg / plead for mercy They showed no mercy to their hostages. God have mercy on us. The troops are on a mercy mission (= a journey to help people) in the war zone.2. [C, usually sing.] (informal) an event or a situation to be grateful for, usually because it stops sth unpleasant: It’s a mercy she wasn’t seriously hurt. His death was a mercy (= because he was in great pain.at the mercy of sb/sth not able to stop sb/sth harming you because they have power or control over you:I’m not going to put myself at t he mercy of the bank. We were at the mercy of the weather. leave sb/sth to the mercy / mercies of sb/sth to leave sb/sth in a situation that may cause them to suffer or to be treated badly: privatized companies left to the mercy of market forces (humorous) I’ll leave you to the tender mercies of these ladies!throw yourself on sb’s mercy (formal) to put yourself in a situation where you must rely on sb to be kind to you and not harm or punish youlongsideprep.1. next to or at the side of sth: A police car pulled up alongside us. a lifeboat moored alongside theyacht Much of the land alongside the river is below sea level. 2. together with or at the same time as sth/sb: Traditional beliefs still flourish alongside a modern urban lifestyle.explorationnoun [C, U]1. the act of travelling through a place in order to find out about it or look for sth in it: the exploration of space oil exploration (= searching for oil in the ground)2. an examination of sth in order to find out about it: the book’s explorations of the human mindaccelerateverb1. to happen or to make sth happen faster or earlier than expected: [v] Inflation continues to accelerate. [vn] Exposure to the sun can accelerate the ageing process.2. [v] (of a vehicle or person) to start to go faster: The runners accelerated smoothly around the bend. The car accelerated to overtake me. secureadj.HAPPY / CONFIDENT1. feeling happy and confident about yourself or a particular situation: At last they were able to feel secure about the future. She finished the match, secure in the knowledge that she was through to the next round.CERTAIN / SAFE2. likely to continue or be successful for a long time; safe: a secure job / income It’s not a very secure way to make a living. The future of the company looks secure.3. ~ (against / from sth) that cannot be affected or harmed by sth: Information must be stored so thatit is secure from accidental deletion.BUILDING / DOOR / ROOM4.guarded and/or made stronger so that it is difficult for people to enter or leave:Check that all windows and doors have been made as secure as possible. a secure unit for child offenders The building is secure against intruders.FIRM5.not likely to move, fall down, etc.; stable: The aerial doesn’t look ver y secure to me. It was difficult to maintain a secure foothold on the ice. (figurative) Our relationship was now on a more secure footing.verbGET STH1. ~ sth (for sb/sth)| ~ sb sth (formal) to obtain or achieve sth, especially when this means using a lot of effort: [vn] to secure a contract / deal The team managed to secure a place in the finals. She secured2. 000 votes. The delegation has secured the promise of a ceasefire. [vn, vnn] He secured a place for himself at law school. He secured himself a place at law school.FASTEN FIRMLY2. [vn] ~ sth (to sth) to attach or fasten sth firmly: She secured the rope firmly to the back of the car. The tables on board were secured firmly to the floor.PROTECT FROM HARM3. [vn] ~ sth (against sth) to protect sth so that it is safe and difficult to attack or damage: to secure a property against intruders The windows were secured with locks and bars. (figurative) a savings plan that will secure your child’s futureA LOAN4. [vn] to legally agree to give sb property or goods that are worth the same amount as the money that you have borrowed from them, if you are unable to pay the money back: a loan secured on the house randomadj. [usually before noun] done, chosen, etc. without sb deciding in advance what is going to happen, or without any regular pattern: the random killing of innocent people a random sample / selection (= in which each thing has an equal chance of being chosen) The information is processed in a random order.nounat random without deciding in advance what is going to happen, or without any regular pattern: She opened the book at random (= not at any particular page) and started reading. The terrorists fired into the crowd at random. Names were chosen at random from a list.awkwardadj.1.making you feel embarrassed: There was an awkward silence. I felt awkward because they obviously wanted to be alone.2. difficult to deal with:Don’t ask awkward questions. You’ve put me in an awkward position. an awkward customer (= a person who is difficult to deal with) Please don’t be awkward about letting him come. It makes things awkward for everyone when you behave like that.3. not convenient, inconvenient: Have I come at an awkward time?4. difficult or dangerous because of its shape or design: This box is very awkward for one person to carry. This tool will reach into awkward corners, such as under kitchen units.5. not moving in an easy way; not comfortable: He tried to dance, but he was too clumsy and awkward. I must have slept in anawkward position—I’m aching all over.referencenounMENTIONING SB / STH1. [C, U] ~ (to sb/sth) a thing you say or write that mentions sb/sth else; the act of mentioning sb/sth: The book is full of references to growing up in India. She made no reference to her illness but only to her future plans. the President’s passing reference to (= brief mention of) the end of the war LOOKING FOR INFORMATION2.[U] the act of looking at sth for information: Keep the list of numbers near the phone for easy reference. I wrote down the name of the hotel for future reference (= because it might be useful in the future). The library contains many popular works of reference (= reference books).ASKING FOR ADVICE3. [U] ~ (to sb/sth) (formal) the act of asking sb for help or advice: The emergency nurse can treat minor injuries without reference to a doctor.NUMBER / WORD / SYMBOL4. [C] (abbr. ref.) a number, word or symbol that shows where sth is on a map, or where you can find a piece of information: The map reference is Y4.. Please quote your reference number when making an enquiry.FOR NEW JOB5.[C] a letter written by sb who knows you, giving information about your character and abilities, especially to a new employer: We will take up references after the interview.6. [C] a person who agrees to write a reference, for you, for example when you are applying for a job:My previous boss will act as a reference for me.IN BOOK7. [C] a note in a book that tells you where a particular piece of information comes from: There is a list of references at the end of each chapter.in / with reference to(formal) used to say what you are talking or writing about: With reference to your letter of July 22...verb [vn] (formal) to refer to sth; to provide a book, etc. with references: Each chapter is referenced, citing literature up to 2004.preciseadj.1. clear and accurate; exact: precise details / instructions / measurements Can you give a more precise definition of the word? I can be reasonably precise about the time of the incident.2. [only before noun] used to emphasize that sth happens at a particular time or in a particular way: We were just talking about her when, at that precise moment, she walked in. Doctors found it hard to establish the precise nature of her illness.3.taking care to be exact and accurate, especially about small details: a skilled and precise worker small, precise movements (disapproving) She’s rather prim and precise. to be (more) pr ecise used to show that you are giving more detailed and accurate information about sth you have just mentioned: The shelf is about a metre long—well, 98cm, to be precise.simplifyverb (simplifies, simplifying, simplified, simplified) [vn] to make sth easier to do or understand: The application forms have now been simplified. I hope his appointment will simplify matters. a simplified version of the story for young childrenportableadj. that is easy to carry or to move: a portable TV The equipment is lightweight, portable and easy to store. (figurative) a portable loan / pension (= that can be moved if you change banks, jobs, etc.) portable softwarenoun a small type of machine that is easy to carry, especially a computer or a television: The kids are upstairs watching the portable (= television).shortcomingnoun[usually pl.] a fault in sb’s character, a plan, a system, etc.:She made me aware of my own shortcomings. Despite a number of shortcomings, the project will still go ahead.updateverb [vn]1. to make sth more modern by adding new parts, etc.: It’s about time we updated our software.2. ~ sb (on sth)| ~ sth to give sb the most recent information about sth; to add the most recent information to sth bring up to date: I called the office to update them on the day’s developments. Our records are regularly updated.tendencynoun (pl. -ies)1. [C] ~ (for sb/sth) (to do sth)| ~ (to / towards sth) if sb/sth has a particular tendency, they are likely to behave or act in a particular way: to display artistic, etc. tendencies I have a tendency to talk too much when I’m nervous. There is a tendency for this disease to run in families. She has a strong natural tendency towards caution. This material has a tendency to shrink when washed.2. [C] ~ (for sb/sth) (to do sth)| ~ (to / towards sth) a new custom that is starting to develop: There is a growingtendency among employers to hire casual staff.3. [C+sing./pl. v.] (BrE) a group within a larger political group, whose views are more extreme than those of the rest of the group: the militant tendency reliableadj.1. that can be trusted to do sth well; that you can rely on; dependable: We are looking for someone who is reliable and hard-working. a reliable friend My car’s not as reliable as it used to be.2.that is likely to be correct or true: Our information comes from a reliable source. a reliable witness How reliable are the local weather forecasts? These tests are a reliable indicator of future performance. swoopverb [v]1. [usually +adv. / prep.] (of a bird or plane) to fly quickly and suddenly downwards, especially in order to attack sb/sth; dive: The aircraft swooped down over the buildings. A hawk swooped low over the field.2. ~ (on sb/sth) (especially of police or soldiers) to visit or attack sb/sth suddenly and without warning: Officers swooped on the vehicles as they left the ferry.noun1. an act of moving suddenly and quickly through the air in a downward direction, as a bird does dive2.~ (on sth/sb) an act of arriving somewhere or attacking sth/sb in a way that is sudden and unexpected:Large quantities of drugs were found during a police swoop on the star’s New York home.peckverb1. ~ (at sth) (of birds) to move the beak forward quickly and hit or bite sth: [v] A robin was pecking atcrumbs on the ground. Hens pecked around in the yard. [vn] A bird had pecked a hole in the sack. Vultures had pecked out the dead goat’s eyes.2. [vn] ~ sb (on sth) (informal) to kiss sb lightly and quickly: He pecked her on the cheek as he went out. She pecked his cheek.a / the pecking order (inform al, often humorous) the order of importance in relation to one another among the members of a group: New Zealand is at the top of the pecking order of rugby nations. to be first in the pecking orderpeck at sth to eat only a very small amount of a meal because you are not hungry; pick at: She sat nervously pecking at her food.expeditionnoun1. an organized journey with a particular purpose, especially to find out about a place that is not well known: to plan / lead / go on an expedition to the North Pole2. the people who go on an expedition: Three members of the Everest expedition were killed.3. (sometimes humorous) a short trip that you make when you want or need sth: a shopping expeditioncompulsoryadj. that must be done because of a law or a rule: It is compulsory for all motorcyclists to wear helmets. English is a compulsory subject at this level. compulsory education / schooling compulsory redundanciesSurvivalnoun1. [U] the state of continuing to live or exist, often despite difficulty or danger: the struggle / battle / fight for survival His only chance of survival was a heart transplant. Exporting is necessary f or oureconomic survival. Continued trade in these products is a threat to the survival of the species.2. [C] ~ (from sth) something that has continued to exist from an earlier time: The ceremony is a survival from pre-Christian times.the survival of the fittest the principle that only the people or things that are best adapted to their surroundings will continue to existincidentnoun1.[C] something that happens, especially sth unusual or unpleasant: His bad behaviour was just an isolated incident. One particular incident sticks in my mind.2. [C, U] a serious or violent event, such as a crime, an accident or an attack: There was a shooting incident near here last night. The demonstration passed off without incident.3.[C] a disagreement between two countries, often involving military forces: a border / diplomatic incidentdeparturenoun1. [C, U] ~ (from ... ) the act of leaving a place; an example of this: His sudden departure threw the office into chaos. Flights should be confirmed 4.8 hours before departure. They had received no news of him since his departure from the island.2. [C] a plane, train, etc. leaving a place at a particular time: arrivals and departures All departures are from Manchester. the departure lounge / time / gate the departures board3.[C] ~ (from sth) an action that is different from what is usual or expected: It was a radical departure from tradition. Their latest single represents a new departure for the band.depositnounMONEY1. [usually sing.] a ~ (on sth) a sum of money that is given as the first part of a larger payment: We’ve put down a 5.% deposit on the house. T hey normally ask you to pay £1.00 (as a) deposit. All deposits are non-refundable.2. [usually sing.] a sum of money that is paid by sb when they rent sth and that is returned to them if they do not lose or damage the thing they are renting: to pay a deposit They’l l probably ask you to leave a deposit.3.a sum of money that is paid into a bank account: Deposits can be made at any branch.4. (in the British political system) the amount of money that a candidate in an election to Parliament has to pay, and that is returned if he/she gets enough votes: All the other candidates lost their deposits.verb [vn]PUT DOWN1. [+adv. / prep.] to put o r lay sb/sth down in a particular place: She deposited a pile of books on my desk. (informal) I was whisked off in a taxi and deposited outside the hotel.LEAVE SUBSTANCE2. (especially of a river or a liquid) to leave a layer of sth on the surface of sth, especially gradually and over a period of time: Sand was deposited which hardened into sandstone.MONEY3. to put money into a bank account: Millions were deposited in Swiss bank accounts.reckonverb1. (informal, especially BrE) to think sth or have an opinion about sth: [v (that)] I reckon (that) I’mgoing to get that job. He’ll be famous one day. What do you reckon (= do you agree)? [v] It’s worth a lot of money, I reckon. ‘They’ll never find out.’ ‘You reckon?’ (= I think you may be wrong about that) 2. be reckoned (not used in the progressive tenses) to be generally considered to be sth: [vn to inf] Children are reckoned to be more sophisticated nowadays. [vn-n] It was generally reckoned a success. [also vn-adj] 3. [v to inf] (BrE, informal) to expect to do sth: We reckon to finish by ten. He wasn’t reckoning to pay so much.4. ~ sth (at sth) to calculate an amount, a number, etc.: [vn] I could see him reckoning the cost as I spoke. The age of the earth is reckoned at about 4.6.00 million years. [v (that)] They reckon (that) their profits are down by at least 2.0%. [vn to inf] The journey was reckoned to take about two hours.reckon on sth to expect sth to happen or to rely on sth happening: They hadn’t reckoned on a rebellion. [+ -ing] We’d reckoned on having good weather.reckon sth up / reckon up sth(especially BrE) to calculate the total amount or number of sth: He reckoned up the cost of everything in his mind.reckon with sb/sth1. [usually passive] to consider or treat sb/sth as a serious opponent, problem, etc.: They were alreadya political force to be reckoned with.2. (usually used in negative sentences) to consider sth as a possible problem that you should be prepared for; take sth into account: [+ -ing] I didn’t reckon with getting caught up in so much traffic.reckon without sb/sth (especially BrE) to not consider sb/sth as a possible problem that you should be prepared for; not take sth into account: They had reckoned without the determination of the opposition.tensionnoun1. [U, C, usually pl.] ~ (between A and B) a situation in which people do not trust each other, or feel unfriendly towards each other, and which may cause them to att ack each other: There is mounting tension along the border. international / racial / political tensions Family tensions and conflicts may lead to violence. The incident has further increased tension between the two countries.2. [C, U] ~ (between A and B) a situation in which the fact that there are different needs or interests causes difficulties: Th ere is often a tension between the aims of the company and the wishes of the employees.3. [U] a feeling of anxiety and stress that makes it impossible to relax: nervous tension We laughed and that helped ease the tension. Walking and swimming are excellent for releasing tension.a tension headac he 4.[U] the feeling of fear and excitement that is created by a writer or a film/movie director: dramatic tension As the movie progresses the tension builds.5. [U] the state of being stretched tight; the extent to which sth is stretched tight: muscular tension Adjust the string tension of your tennis racket to suit your style of playing. When knitting, try to keep the same tension throughout. Massage can relieve tension in your shoulders and back.verb [vn] (technical) to make a wire, sail, etc. tight and stretchedgradualadj.1. happening slowly over a long period; not sudden: a gradual change in the climate Recovery from the disease is very gradual.2. (of a slope) not steepforeseeverb (foresaw, foreseen ) to think sth is going to happen in the future; to know about sth before it happens; predict: [vn] We do not foresee any problems. The extent of the damage could not havebeen foreseen. [v (that)] No one could have foreseen (that) things would turn out this way. [v wh-] It is impossible to foresee how life will work out. [also vn -ing]thirstnoun1. [U, sing.] the feeling of needing or wanting a drink: He quenched his thirst with a long drink of cold water. She woke up with a raging thirst and a headache.2. [U] the state of not having enough water to drink: Thousands are dying of thirst.3. [sing.] ~ (for sth) a strong desire for sth: a thirst for knowledge tearverb (tore ,torn)DAMAGE1. to damage sth by pulling it apart or into pieces or by cutting it on sth sharp; to become damaged in this way; rip: [vn] I tore my jeans on the fence. I tore a hole in my jeans. He tore the letter in two.a torn handkerchief [vn-adj] I tore the package open. I tore open the package. [v] Careful—the fabric tears very easily.2. [vn] ~ sth in sth to make a hole in sth by force; rip: The blast tore a hole in the wall.REMOVE FROM STH / SB3. [vn + adv. / prep.] to remove sth from sth else by pulling it roughly or violently; rip: The storm nearly tore the roof off. I tore another sheet from the pad. He tore his clothes off (= took them off quickly and carelessly) and dived into the lake.4. ~ yourself / sb (from sb/sth) to pull yourself/sb away by force from sb/sth that is holding you or them: [vn] She tore herself from his grasp. [vn-adj] He tore himself free.INJURE MUSCLE5. [vn] to injure a muscle, etc. by stretching it too much: a torn ligament She tore a calf muscle playing squash.MOVE QUICKLY6. [v + adv. / prep.] to move somewhere very quickly or in an excited way: He tore off down the street.A truck tore past the gates.-TORN7.(in adjectives) very badly affected or damaged by sth:to bring peace to a strife-torn country a strike-torn industrytear sb/sth apart, to shreds, to bits, etc. to destroy or defeat sb/sth completely or criticize them or it severely: We tore the other team apart in the second half. The critics tore his last movie to shreds. tear at your heart / tear your heart out (formal) to strongly affect you in an emotional waytear your hair (out) (informal) to show that you are very angry or anxious about sth: She’s keeping very calm—anyone else would be tearing their hair out.(be in) a tearing hurry / rush (especially BrE) (to be) in a very great hurrybe torn (between A and B)to be unable to decide or choose between two people, things or feelings: I was torn between my parents and my friend.tear sb off a strip / tear a strip off sb(BrE, informal) to speak angrily to sb who has done sth wrong that’s torn it (BrE, informal) used to say that sth has happened to spoil your plans—more at heart, limb, loose adj.tear sb apart / tear apart sb to make sb feel very unhappy or worried; rip sb apart: It tears me apart to think I might have hurt her feelings. His distress tore me apart.tear sth apart / tear apart sth1. to destroy sth violently, especially by pulling it to pieces: The dogs tore the fox apart.2. to make people in a country, an organization or other place fight or argue with each other: Racial strife is tearing our country apart.3. to search a place, making it look untidy and causing damage: They tore the room apart, looking for money.tear at sth to pull or cut sth violently so that it tears: He tore at the meat with his bare hands.tear yourself away (from sth)/ tear sth away (from sth)to leave somewhere even though you would prefer to stay there; to take sth away from somewhere: Dinner’s ready, if you can tear yourself away from the TV. She was unable to tear her eyes away from him (= could not stop looking at him). tear sth down / tear down sth to pull or knock down a building, wall, etc.: They’re teari ng down these old houses to build a new office block.tear into sb/sth1. to attack sb/sth physically or with words: The wind tore into him.2. to start doing sth with a lot of energy: They tore into their food as if they were starving. The band tore into their opening number. tear sth up / tear up sth to destroy a document, etc. by tearing it into pieces; rip sth up: She tore up all the letters he had sent her. (figurative) He accused t he leader of tearing up the party’s manifesto (= of ignoring it).hardshipnoun [U, C] a situation that is difficult and unpleasant because you do not have enough money, food, clothes, etc.: economic / financial, etc. hardship People suffered many hardships during that long winter. The two men endured great hardship during their trek across Antarctica. It was no hardship to walk home on such a lovely evening.backgroundnounFAMILY / EDUCATION, etc.1.[C] the details of a person’s family, education, experience etc.: a person’s family / social / cultural / educational / class background The job would suit someone with a business background. In spite of their very different backgrounds, they immediately became friends.PAST2.[C, usually sing., U] the circumstances or past events which help explain why sth is how it is; information about these: the historical background to the war background information / knowledge The elections are taking place against a background of violence. Can you give me more background on the company?OF PICTURE / PHOTO3. [C, usually sing.] the part of a picture, photograph or view behind the main objects, people, etc.: a photograph with trees in the backgroundLESS IMPORTANT POSITION4. [sing.] a position in which people are not paying attention to sb/sth or not as much attention as they are paying to sb/sth else: He prefers to remain in the background and let his assistant talk to the press.A piano tinkled gently in the background. background music There was a lot of background noise (= that you could hear, but were not listening to).COLOUR UNDER STH5. [C, usually sing.] a colour or design on which sth is painted, drawn, etc.: The name of the company is written in red on a white background.in the background (computing) (of a computer program) not being used at the present time andappearing on the screen behind programs that are being usedroarverb1.[v] to make a very loud, deep sound:We heard a lion roar. The gun roared deafeningly. The engine roared to life (= started noisily). The wind was roaring in my ears.2. ~ (sth) (out) to shout sth very loudly: [v] The crowd roared. [vn] The fans roared (out) their approval. He roared out James’s name. [v speech] ‘Stand back,’ he roared.3. [v] ~ (with laughter) to laugh very loudly: He looked so funny, we all roared. It made them roar with laughter.4. [v + adv. / prep.] (of a vehicle or its rider / driver) to move very fast, making a lot of noise: She put her foot down and the car roared away. A group of young men on motorcycles roared past.5. [v] (of a fire) to burn brightly with a lot of flames, heat and noise: A log fire was roaring in the hearth.noun1.a loud deep sound made by an animal, especially a lion, or by sb’s voice: His speech was greeted bya roar of applause. roars of laughter 2.a loud continuous noise made by the wind or sea, or by a machine: I could barely hear above the roar of traffic. the roar of the Atlantic。
选修九unit2 词汇
选修九Unit 2词汇1.work out 计算；设法弄懂；精心制定出，安排eg.⑴See if you can work out this bill out. 计算⑵The plot is so complicated that it’ll take you a while to work it out.弄明白（3）I haven’t worked out who’s gong to look after the kids tonight.计划2.may/might well 很可能，极有可能These are excellent photographs and we may well use them in our magazine.这些是很不错的照片，我们很有可能把它们用在我们的杂志上。
You might well find that you’ll need more by the weekend.到周末你很可能会发现你需要更多东西3. voyage n./ vi. 航海, 航行The voyage from England to India used to take six months.过去从英国航行到印度要六个月。
go on/make/take a sea voyage 去航海旅行voyager n. 航行者, 航海者4.at the mercy of任由…摆布；在…面前无助have mercy on/ show mercy to 对……表示怜悯without mercy 毫不留情地It’s a mercy (that) (口)幸运的是,幸亏(用于表示更遭的情况得以避免总算是幸运)Eg; They were lost at sea, at the mercy of wind and weather.他们在海上迷失了方向,任凭风和天气的摆布。
I don’t like to be at the mercy of such a man.我不愿受这样一个人的摆布。
选修9unit2单词课件[文字可编辑]
![选修9unit2单词课件[文字可编辑]](https://img.taocdn.com/s3/m/604a85ec453610661fd9f42e.png)
这个故事里的英语被简写以便更容易 理解。
His father lived a simple life in the country.
他父亲在农村过着简朴的生活。
refer v.
提到, 涉及, 查阅, 咨询 The teacher often refers her pupils to this dictionary. 老师经常让她的学生查这本字典。 Her pupils often refer to this dictionary. 她的学会经常查这本字典。 Don't refer to it again. 别再提那件事。
precise adj. 精确的, 准确的 precision n. 精确(性), 精密(度)
A lawyer needs a precise mind. 律师需要一丝不苟的精神。 A camera is an instrument of precision . 照相机是一种精密仪器。
simplify vt. 单一化, 简单化 simple adj. 简单的
a magnetic person
random n. 随意, 任意 adj. 任意的, 随便的, 胡乱的
e.g. make a random choice 任意选择 at random = aimlessly; without any plan 随机，随便 e.g. He opened the book at random.
still the best teacher the school has. 他尽管有些缺点，但仍然是该校最
高中英语选修9 Unit2 词汇
单词填空
exploration 1. They decided to make a full ________of 他们决定对事故做一次全盘研究。 the accident. 他们决定对事故做一次全盘研究。 minimum 2. The class needs a ________ of 6 pupils to continue. 这个班最低限度要六个学生才可以
没有一件事情比得上有朋在远方更使这地球显得如 此广大的了; 他们构成纬度，也构成经度。 此广大的了 他们构成纬度，也构成经度。
2. This is the virgin voyage of the ship.
这是这艘船的处女航。 这是这艘船的处女航。
3. They had no hope of admission to the celestial kingdom. 他们无望进入天国。 他们无望进入天国。
Homework 汉—英 英 1.他们在海上迷了路，任凭风和天气的摆布。 他们在海上迷了路， 他们在海上迷了路 任凭风和天气的摆布。 (mercy) They were lost at the sea, at the mercy of the wind and weather. 2. 这本书无处可寻。(nowhere) 这本书无处可寻。 The book was nowhere to be found. 3.我说不准这个字在这段文章里的确切意义 我说不准这个字在这段文章里的确切意义 是什么。 是什么。 （precise) I am not clear about the precise meaning of the word in this passage.
Unit 2 Sailearning 英– 汉 1.Nothing make the earth seem so spacious as to have friend at a distance; they make latitude and longitude.
Unit 2 重要知识点讲解2021-2022学年人教版高中英语选修九
Unit 2 Sailing the oceans重要知识点讲解1.短语积累at the mercy of 任由别人摆布或控制at midday 中午；正午tie.. to... 把……栓在……in relation to... 与……有关；涉及at the edge of 在……边缘set out 出发；摆放；陈述set sail （for/to）起航owing to... 由于；因为on board 在船上take over 接管；接手；控制in a dilemma 处于进退两难的境地cope with 对付；处理drive sb. mad 使人发疯set loose 出发；开始now that 既然，由于1. It proved to be the most accurate and reliable of these early navigational instruments.(P13)prove 是助动词，意为：显现出是……；被发现是……。
后接to be短语做表语，此时to be 也可省去。
2.The voyages of travellers before the 17th century show that they were not at the mercy of the sea even though they didn’t have modern navigational aids. (P12)【词汇网络】at the mercy of sb/sth 受……支配/控制/摆布The ship was at the mercy of the storm.show/give (no/little/some) mercy to sb对……（毫不/几乎没有/有些）宽恕They showed mercy to their enemies.It is a mercy that...真幸运，……It is a mercy she wasn’t hurt in the accident.throw oneself on sb’s mercy 恳求某人善待或宽恕3. The earliest, the astrolabe, was special all-in-one tool for telling the position of the ship in relation to the sun and various stars which covered the whole sky.(P13)in/with relation to 与……有关；涉及……She used the map to find where she was in relation to her surroundings.【词汇网络】affect the friendly relations between... 影响……之间的友好关系Break off all relations with sb 断绝与某人的一切关系Develop the relations between... 发展……之间的关系Promote/ improve/keep the relations 促进/改善/保持关系。
选修9unit2知识点总结
8. be caught in a dilemma 陷入进退两难的境地 9.feel the tension 感觉到紧张气氛 10.A gradual increase 逐渐增加 11. tear up = tear into pieces 撕碎 tear down 拆除；拆毁(建筑物) tear apart 撕开；扯开 tear oneself away from 依依不舍的离开 burst into tears = burst out crying (突然间)大哭 12. Set loose 释放；出发；开始
2.on the horizen 在地平线上；以露端倪 broaden/ widen one’s horizens 开阔眼界
3. have a tendency to do sth = tend to do sth 倾向于做…;易于做… 4.at random 随机地；随意地 5. nowhere else… 没有别的地方… Nowhere to be seen/ found 不可能看到/找到 6. a routine check 例行检查 as a matter of routine 按照惯例 7. have a thirst (名词) for sth / to do sth = starve (动词) for /to do sth 渴望得到… / 渴望去做…
一.短语 • at the mercy of 任由…摆布，在…掌握之中; have mercy on ... = show/give mercy to ... 对……表示同情；对……有怜悯之心 without mercy 毫不留情地 merciful adj. 仁慈的，宽恕的，有怜悯心的 反义词：merciless adj.
英语选修9人教新课标Unit1 --2同步课件：复习讲解(19张)
高手过招 完成句子 ①他刚才确实读过这封信。 He this letter just now. ②千万要小心! careful! ③那个正在讨论的问题对我们来说很重要。 The question is important to us. 答案： ①did read ②Do be ③being discussed
高手过招 完成句子 ①Will you please (保管这些 钥匙) while I am away? ②This coat will (让你暖 和). ③She (让我等) for half an hour. ④ (不要乱动) while I photograph you. ⑤He (反复问) asking silly questions. ⑥His girlfriend didn’t answer the phone, so Tom (一直在想) why. 答案：①keep these keys ②keep you warm ③kept me waiting ④Keep still ⑤kept on ⑥kept thinking
高手过招 完成句子 ①只要你先整理好你的房间，就可以出去玩。 you tidy your room first, you can go out to play. ②工作一结束你就到这里来。 Come here you finish the work. ③玉米地延伸到一眼望不到边的地方。 Fields of corn spread out the eye could see. ④这次空难中多达一百人丧生。 100 people were killed in the air crash. 答案：①As long as ②as soon as ③as far as ④As many as
Unit 2 Sailing the oceans词汇讲解 新人教版选修9
Unit 2 Sailing the oceansTeaching ResourcesSection 3: Words and expressions from Unit 2Sailing the oceansmercynoun (pl. -ies)1.[U] a kind or forgiving attitude towards sb that you have the power to harm or right to punish humanity:to ask / beg / plead for mercy They showed no mercy to their hostages. God have mercy on us. The troops are on a mercy mission (= a journey to help people) in the war zone.2. [C, usually sing.] (informal) an event or a situation to be grateful for, usually because it stops sth unpleasant: It’s a mercy she wasn’t seriously hurt. His death was a mercy (= because he was in great pain.at the mercy of sb/sth not able to stop sb/sth harming you because they have power or control over you:I’m not going to put myself at t he mercy of the bank. We were at the mercy of the weather.leave sb/sth to the mercy / mercies of sb/sth to leave sb/sth in a situation that may cause them to suffer or to be treated badly: privatized companies left to the mercy of market forces (humoro us) I’ll leave you to the tender mercies of these ladies!throw yourself on sb’s mercy (formal) to put yourself in a situation where you must rely on sb to be kind to you and not harm or punish youlongsideprep.1.next to or at the side of sth:A police car pulled up alongside us. a lifeboat moored alongside the yacht Much of the land alongside the river is below sea level.2. together with or at the same time as sth/sb: Traditional beliefs still flourish alongside a modern urban lifestyle. explorationnoun [C, U]1. the act of travelling through a place in order to find out about it or look for sth in it: the exploration of space oil exploration (= searching for oil in the ground)2. an examination of sth in order to find out about it: the book’s explorations of the human mindaccelerateverb1. to happen or to make sth happen faster or earlier than expected: [v] Inflation continues to accelerate. [vn] Exposure to the sun can accelerate the ageing process.2. [v] (of a vehicle or person) to start to go faster: The runners accelerated smoothly around the bend. The car accelerated to overtake me.secureadj.HAPPY / CONFIDENT1. feeling happy and confident about yourself or a particular situation: At last they were able to feel secure about the future. She finished the match, secure in the knowledge that she was through to the next round.CERTAIN / SAFE2. likely to continue or be successful for a long time; safe: a secure job / income It’s nota very secure way to make a living. The future of the company looks secure.3. ~ (against / from sth) that cannot be affected or harmed by sth: Information must be stored so that it is secure from accidental deletion.BUILDING / DOOR / ROOM4.guarded and/or made stronger so that it is difficult for people to enter or leave: Check that all windows and doors have been made as secure as possible. a secure unit for child offenders The building is secure against intruders.FIRM5. not likely to move, fall down, etc.; stable: The aerial doesn’t look ver y secure to me. It was difficult to maintain a secure foothold on the ice. (figurative) Our relationship was now on a more secure footing.verbGET STH1. ~ sth (for sb/sth)| ~ sb sth (formal) to obtain or achieve sth, especially when this means using a lot of effort: [vn] to secure a contract / deal The team managed to secure a place in the finals. She secured2. 000 votes. The delegation has secured the promise of a ceasefire. [vn, vnn] He secured a place for himself at law school. He secured himself a place at law school. FASTEN FIRMLY2. [vn] ~ sth (to sth) to attach or fasten sth firmly: She secured the rope firmly to the back of the car. The tables on board were secured firmly to the floor.PROTECT FROM HARM3. [vn] ~ sth (against sth) to protect sth so that it is safe and difficult to attack or damage: to secure a property against intruders The windows were secured with locks and bars. (figurative) a savings plan that will secure your child’s futureA LOAN4.[vn] to legally agree to give sb property or goods that are worth the same amount as the money that you have borrowed from them, if you are unable to pay the money back: a loan secured on the houserandomadj. [usually before noun] done, chosen, etc. without sb deciding in advance what is going to happen, or without any regular pattern: the random killing of innocent people a random sample / selection (= in which each thing has an equal chance of being chosen) The information is processed in a random order.nounat random without deciding in advance what is going to happen, or without any regular pattern: She opened the book at random (= not at any particular page) and started reading. The terrorists fired into the crowd at random. Names were chosen at random from a list.awkwardadj.1. making you feel embarrassed: There was an awkward silence. I felt awkward because they obviously wanted to be alone.2. difficult to deal with:Don’t ask awkward questions. You’ve put me in an awkward position. an awkward customer (= a person who is difficult to deal with)Please don’t be awkward about letting him come. It makes things awkward for everyone when you behave like that.3. not convenient, inconvenient: Have I come at an awkward time?4.difficult or dangerous because of its shape or design: This box is very awkward for one person to carry. This tool will reach into awkward corners, such as under kitchen units.5. not moving in an easy way; not comfortable: He tried to dance, but he was too clumsy and awkward. I must have slept in an awkward position—I’m aching all over.referencenounMENTIONING SB / STH1.[C, U] ~ (to sb/sth) a thing you say or write that mentions sb/sth else; the act of mentioning sb/sth: The book is full of references to growing up in India. She made no reference to her illness but only to her future plans. the President’s passing reference to (= brief mention of) the end of the warLOOKING FOR INFORMATION2. [U] the act of looking at sth for information: Keep the list of numbers near the phone for easy reference. I wrote down the name of the hotel for future reference (= because it might be useful in the future). The library contains many popular works of reference (= reference books).ASKING FOR ADVICE3. [U] ~ (to sb/sth) (formal) the act of asking sb for help or advice: The emergency nurse can treat minor injuries without reference to a doctor.NUMBER / WORD / SYMBOL4. [C] (abbr. ref.) a number, word or symbol that shows where sth is on a map, or where you can find a piece of information: The map reference is Y4.. Please quote your reference number when making an enquiry.FOR NEW JOB5.[C] a letter written by sb who knows you, giving information about your character and abilities, especially to a new employer: We will take up references after the interview.6. [C] a person who agrees to write a reference, for you, for example when you are applying fora job: My previous boss will act as a reference for me.IN BOOK7.[C] a note in a book that tells you where a particular piece of information comes from: There is a list of references at the end of each chapter.in / with reference to(formal) used to say what you are talking or writing about:With reference to your letter of July 22...verb [vn] (formal) to refer to sth; to provide a book, etc. with references: Each chapter is referenced, citing literature up to 2004.preciseadj.1.clear and accurate; exact:precise details / instructions / measurements Can you give a more precise definition of the word? I can be reasonably precise about the time of the incident.2.[only before noun] used to emphasize that sth happens at a particular time or in a particular way: We were just talking about her when, at that precise moment, she walked in. Doctors found it hard to establish the precise nature of her illness.3. taking care to be exact and accurate,especially about small details: a skilled and precise worker small, precise movements (disapproving) She’s rather prim and precise.to be (more) precise used to show that you are giving more detailed and accurate information about sth you have just mentioned: The shelf is about a metre long—well, 98cm, to be precise. simplifyverb(simplifies, simplifying, simplified, simplified) [vn] to make sth easier to do or understand: The application forms have now been simplified. I hope his appointment will simplify matters.a simplified version of the story for young childrenportableadj. that is easy to carry or to move: a portable TV The equipment is lightweight, portable and easy to store. (figurative) a portable loan / pension (= that can be moved if you change banks, jobs, etc.) portable softwarenoun a small type of machine that is easy to carry, especially a computer or a television: The kids are upstairs watching the portable (= television).shortcomingnoun[usually pl.] a fault in sb’s character, a plan, a system, etc.: She made me aware of my own shortcomings. Despite a number of shortcomings, the project will still go ahead.updateverb [vn]1.to make sth more modern by adding new parts, etc.: It’s about time we updated our software.2.~ sb (on sth)| ~ sth to give sb the most recent information about sth; to add the most recent information to sth bring up to date: I called the office to update them on the day’s developments. Our records are regularly updated.tendencynoun (pl. -ies)1. [C] ~ (for sb/sth) (to do sth)| ~ (to / towards sth) if sb/sth has a particular tendency, they are likely to behave or act in a particular way: to display artistic, etc. tendencies I have a tendency to talk to o much when I’m nervous. There is a tendency for this disease to run in families. She has a strong natural tendency towards caution. This material has a tendency to shrink when washed.2. [C] ~ (for sb/sth) (to do sth)| ~ (to / towards sth) a new custom that is starting to develop: There is a growing tendency among employers to hire casual staff.3. [C+sing./pl. v.] (BrE) a group within a larger political group, whose views are more extreme than those of the rest of the group: the militant tendencyreliableadj.1.that can be trusted to do sth well; that you can rely on; dependable: We are looking for someone who is reliable and hard-working. a reliable friend My car’s not as reliable as it used to be.2. that is likely to be correct or true: Our information comes from a reliable source. a reliable witness How reliable are the local weather forecasts? These tests are a reliable indicator of future performance.swoopverb [v]1.[usually +adv. / prep.] (of a bird or plane) to fly quickly and suddenly downwards, especially in order to attack sb/sth; dive: The aircraft swooped down over the buildings. A hawk swoopedlow over the field.2.~ (on sb/sth) (especially of police or soldiers) to visit or attack sb/sth suddenly and without warning: Officers swooped on the vehicles as they left the ferry.noun1.an act of moving suddenly and quickly through the air in a downward direction, as a bird does dive2. ~ (on sth/sb) an act of arriving somewhere or attacking sth/sb in a way that is sudden and unexpected:Large quantities of drugs were found during a police swoop on the star’s New York home.peckverb1. ~ (at sth) (of birds) to move the beak forward quickly and hit or bite sth: [v] A robin was pecking at crumbs on the ground. Hens pecked around in the yard. [vn] A bird had pecked a hole in the sack. Vultures had pecked out the dead goat’s eyes.2. [vn] ~ sb (on sth) (informal) to kiss sb lightly and quickly: He pecked her on the cheek as he went out. She pecked his cheek.a / the pecking order (informal, often humorous) the order of importance in relation to one another among the members of a group: New Zealand is at the top of the pecking order of rugby nations. to be first in the pecking orderpeck at sth to eat only a very small amount of a meal because you are not hungry; pick at: She sat nervously pecking at her food.expeditionnoun1. an organized journey with a particular purpose, especially to find out about a place that is not well known: to plan / lead / go on an expedition to the North Pole2. the people who go on an expedition: Three members of the Everest expedition were killed.3. (sometimes humorous) a short trip that you make when you want or need sth: a shopping expeditioncompulsoryadj. that must be done because of a law or a rule: It is compulsory for all motorcyclists to wear helmets. English is a compulsory subject at this level. compulsory education / schooling compulsory redundanciesSurvivalnoun1.[U] the state of continuing to live or exist, often despite difficulty or danger: the struggle / battle / fight for survival His only chance of survival was a heart transplant. Exporting is necessary for our economic survival. Continued trade in these products is a threat to the survival of the species.2.[C] ~ (from sth) something that has continued to exist from an earlier time: The ceremony is a survival from pre-Christian times.the survival of the fittest the principle that only the people or things that are best adapted to their surroundings will continue to existincidentnoun1. [C] something that happens, especially sth unusual or unpleasant: His bad behaviour was just an isolated incident. One particular incident sticks in my mind.2. [C, U] a serious or violent event, such as a crime, an accident or an attack: There was a shooting incident near here last night. The demonstration passed off without incident.3.[C] a disagreement between two countries, often involving military forces: a border / diplomatic incidentdeparturenoun1. [C, U] ~ (from ... ) the act of leaving a place; an example of this: His sudden departure threw the office into chaos. Flights should be confirmed 4.8 hours before departure. They had received no news of him since his departure from the island.2.[C] a plane, train, etc. leaving a place at a particular time: arrivals and departures All departures are from Manchester. the departure lounge / time / gate the departures board3. [C] ~ (from sth) an action that is different from what is usual or expected: It was a radical departure from tradition. Their latest single represents a new departure for the band.depositnounMONEY1.[usually sing.] a ~ (on sth) a sum of money that is given as the first part of a larger payment: We’ve put down a 5.% deposit on the house. They no rmally ask you to pay £1.00 (as a) deposit. All deposits are non-refundable.2.[usually sing.] a sum of money that is paid by sb when they rent sth and that is returned to them if they do not lose or damage the thing they are renting:to pay a deposit They’ll probably ask you to leave a deposit.3. a sum of money that is paid into a bank account: Deposits can be made at any branch. 4. (in the British political system) the amount of money that a candidate in an election to Parliament has to pay, and that is returned if he/she gets enough votes: All the other candidates lost their deposits.verb [vn]PUT DOWN1.[+adv. / prep.] to put or lay sb/sth down in a particular place: She deposited a pile of books on my desk. (informal) I was whisked off in a taxi and deposited outside the hotel.LEAVE SUBSTANCE2. (especially of a river or a liquid) to leave a layer of sth on the surface of sth, especially gradually and over a period of time: Sand was deposited which hardened into sandstone. MONEY3. to put money into a bank account: Millions were deposited in Swiss bank accounts.reckonverb1. (informal, especially BrE) to think sth or have an opinion about sth: [v (that)] I reckon (that) I’m going to get that job. He’ll be famous one day. What do you reckon (= do you agree)? [v] It’s worth a lot of money, I reckon. ‘They’ll never find out.’ ‘You reckon?’ (= I think you may be wrong about that)2. be reckoned (not used in the progressive tenses) to be generally considered to be sth: [vn to inf] Children are reckoned to be more sophisticated nowadays. [vn-n] It was generally reckoned a success. [also vn-adj]3.[v to inf] (BrE, informal) to expect to do sth:We reckon to finish by ten. He wasn’t reckoning to pay so much.4. ~ sth (at sth) to calculate an amount, a number, etc.: [vn] I could see him reckoning the cost as I spoke. The age of the earth is reckoned at about 4.6.00 million years. [v (that)] They reckon (that) their profits are down by at least 2.0%. [vn to inf] The journey was reckoned to take about two hours. reckon on sth to expect sth to happen or to rely on sth happening: They hadn’t reckoned on a rebellion. [+ -ing] We’d reckoned on having good weather.reckon sth up / reckon up sth(especially BrE) to calculate the total amount or number of sth:He reckoned up the cost of everything in his mind.reckon with sb/sth1.[usually passive] to consider or treat sb/sth as a serious opponent, problem, etc.: They were already a political force to be reckoned with.2.(usually used in negative sentences) to consider sth as a possible problem that you should be prepared for; take sth into account: [+ -ing] I didn’t reckon with getting caught up in so much traffic.reckon without sb/sth (especially BrE) to not consider sb/sth as a possible problem that you should be prepared for; not take sth into account: They had reckoned without the determination of the opposition.tensionnoun1. [U, C, usually pl.] ~ (between A and B) a situation in which people do not trust each other, or feel unfriendly towards each other, and which may cause them to attack each other: There is mounting tension along the border. international / racial / political tensions Family tensions and conflicts may lead to violence. The incident has further increased tension between the two countries.2. [C, U] ~ (between A and B) a situation in which the fact that there are different needs or interests causes difficulties: There is often a tension between the aims of the company and the wishes of the employees.3. [U] a feeling of anxiety and stress that makes it impossible to relax: nervous tension We laughed and that helped ease the tension. Walking and swimming are excellent for releasing tension. a tension headache4. [U] the feeling of fear and excitement that is created by a writer or a film/movie director: dramatic tension As the movie progresses the tension builds.5. [U] the state of being stretched tight; the extent to which sth is stretched tight: muscular tension Adjust the string tension of your tennis racket to suit your style of playing. When knitting, try to keep the same tension throughout. Massage can relieve tension in your shoulders and back.verb [vn] (technical) to make a wire, sail, etc. tight and stretchedgradualadj.1. happening slowly over a long period; not sudden: a gradual change in the climate Recovery from the disease is very gradual.2. (of a slope) not steepforeseeverb(foresaw, foreseen ) to think sth is going to happen in the future; to know about sth before it happens; predict: [vn] We do not foresee any problems. The extent of the damage could not have been foreseen. [v (that)] No one could have foreseen (that) things would turn out this way. [v wh-] It is impossible to foresee how life will work out. [also vn -ing]thirstnoun1.[U, sing.] the feeling of needing or wanting a drink:He quenched his thirst with a long drink of cold water. She woke up with a raging thirst and a headache.2. [U] the state of not having enough water to drink: Thousands are dying of thirst.3. [sing.] ~ (for sth) a strong desire for sth: a thirst for knowledgetearverb (tore ,torn)DAMAGE1. to damage sth by pulling it apart or into pieces or by cutting it on sth sharp; to become damaged in this way; rip: [vn] I tore my jeans on the fence. I tore a hole in my jeans. He tore the letter in two. a torn handkerchief [vn-adj] I tore the package open. I tore open the package. [v] Careful—the fabric tears very easily.2. [vn] ~ sth in sth to make a hole in sth by force; rip: The blast tore a hole in the wall.REMOVE FROM STH / SB3. [vn + adv. / prep.] to remove sth from sth else by pulling it roughly or violently; rip: The storm nearly tore the roof off. I tore another sheet from the pad. He tore his clothes off (= took them off quickly and carelessly) and dived into the lake.4.~ yourself / sb (from sb/sth) to pull yourself/sb away by force from sb/sth that is holding you or them: [vn] She tore herself from his grasp. [vn-adj] He tore himself free.INJURE MUSCLE5. [vn] to injure a muscle, etc. by stretching it too much: a torn ligament She tore a calf muscle playing squash.MOVE QUICKLY6. [v + adv. / prep.] to move somewhere very quickly or in an excited way: He tore off down the street. A truck tore past the gates.-TORN7.(in adjectives) very badly affected or damaged by sth:to bring peace to a strife-torn countrya strike-torn industrytear sb/sth apart, to shreds, to bits, etc. to destroy or defeat sb/sth completely or criticize them or it severely: We tore the other team apart in the second half. The critics tore his last movie to shreds.tear at your heart / tear your heart out (formal) to strongly affect you in an emotional way tear your hair (out) (informal) to show that you are very angry or anxious about sth: She’s keeping very calm—anyone else would be tearing their hair out.(be in) a tearing hurry / rush (especially BrE) (to be) in a very great hurrybe torn (between A and B)to be unable to decide or choose between two people, things or feelings: I was torn between my parents and my friend.tear sb off a strip / tear a strip off sb(BrE, informal) to speak angrily to sb who has done sth wrongthat’s torn it (BrE, informal) used to say that sth has happened to spoil your plans—more at heart, limb, loose adj.tear sb apart / tear apart sb to make sb feel very unhappy or worried; rip sb apart: It tears me apart to think I might have hurt her feelings. His distress tore me apart.tear sth apart / tear apart sth1. to destroy sth violently, especially by pulling it to pieces: The dogs tore the fox apart.2. to make people in a country, an organization or other place fight or argue with each other: Racial strife is tearing our country apart.3.to search a place, making it look untidy and causing damage: They tore the room apart, looking for money.tear at sth to pull or cut sth violently so that it tears: He tore at the meat with his bare hands.tear yourself away (from sth)/ tear sth away (from sth)to leave somewhere even though you would prefer to stay there; to take sth away from somewhere: Dinner’s ready, if you can tear yourselfaway from the TV. She was unable to tear her eyes away from him (= could not stop looking at him).tear sth down / tear down sth to pull or knock down a building, wall, etc.: They’re tearing down these old houses to build a new office block.tear into sb/sth1. to attack sb/sth physically or with words: The wind tore into him.2. to start doing sth witha lot of energy: They tore into their food as if they were starving. The band tore into their opening number.tear sth up / tear up sth to destroy a document, etc. by tearing it into pieces; rip sth up: She tore up all the letters he had sent her. (figurative) He accused the leader of tearing up the party’s manifesto (= of ignoring it).hardshipnoun [U, C] a situation that is difficult and unpleasant because you do not have enough money, food, clothes, etc.: economic / financial, etc. hardship People suffered many hardships during that long winter. The two men endured great hardship during their trek across Antarctica. It was no hardship to walk home on such a lovely evening.backgroundnounFAMILY / EDUCATION, etc.1.[C] the details of a person’s family, education, experience etc.: a person’s family / social / cultural / educational / class background The job would suit someone with a business background. In spite of their very different backgrounds, they immediately became friends.PAST2. [C, usually sing., U] the circumstances or past events which help explain why sth is how it is; information about these: the historical background to the war background information / knowledge The elections are taking place against a background of violence. Can you give me more background on the company?OF PICTURE / PHOTO3.[C, usually sing.] the part of a picture, photograph or view behind the main objects, people, etc.: a photograph with trees in the backgroundLESS IMPORTANT POSITION4.[sing.] a position in which people are not paying attention to sb/sth or not as much attention as they are paying to sb/sth else: He prefers to remain in the background and let his assistant talk to the press. A piano tinkled gently in the background. background music There was a lot of background noise (= that you could hear, but were not listening to).COLOUR UNDER STH5. [C, usually sing.] a colour or design on which sth is painted, drawn, etc.: The name of the company is written in red on a white background.in the background (computing) (of a computer program) not being used at the present time and appearing on the screen behind programs that are being usedroarverb1. [v] to make a very loud, deep sound: We heard a lion roar. The gun roared deafeningly. The engine roared to life (= started noisily). The wind was roaring in my ears.2. ~ (sth) (out)to shout sth very loudly: [v] The crowd roared. [vn] The fans roared (out) their approval. He roared out James’s name. [v speech] ‘Stand back,’ he roared.3.[v] ~ (with laughter) to laugh very loudly: He looked so funny, we all roared. It made them roar with laughter.4. [v + adv. / prep.] (of a vehicle or its rider / driver) to move very fast, making a lot of noise: She put her foot down and the car roared away. A group of young men on motorcycles roared past.5. [v] (of a fire) to burn brightly with a lot of flames, heat and noise: A log fire was roaring in the hearth.noun1. a loud deep sound made by an animal, especially a lion, or by sb’s voice: His speech was greeted by a roar of applause. roars of laughter2. a loud continuous noise made by the wind or sea, or by a machine: I could barely hear above the roar of traffic. the roar of the Atlantic。
人教版高中英语选修九 Unit 2 sailing the oceans-词汇篇(教师版)
第3讲Unit 2 Sailing the oceans词汇篇__________________________________________________________________________________ __________________________________________________________________________________1. 掌握本单元词汇、短语并熟练运用。
2. 积累并掌握阅读高频词汇。
一. 词汇1. accelerate v.加速1) The car accelerated as it overtook me.那辆汽车一加速就超越了我。
2) The leader is losing ground as the re st of the runners accelerate.领先者在其余赛跑者加速时就逐渐失去了优势。
2. knot[来]n.结v.打结vt.把...打成结1) He knotted a towel about his neck.他把毛巾系在脖子上。
2) There is a knot in the board.这块木板上有个结。
3) My hair knots easily.我的头发爱打结。
4) The knot was fastened in such a way that it was impossible to undo.这个结系得那么紧，根本解不开。
5) My dead fingers could not untie the knot.我的手指麻木了，解不开结。
[来源:学。
科。
网]6) This knot keeps loosening.这个结老松开。
7) You need a sharp knife to cut through the knot.你需用快刀才能把结切断。
3. simplify v.简化，使单纯vt. 简化1) She simplified the instructions so that the children could understand them.她简化了指令以便于儿童理解。
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静宁一中 夏青锋
equator (8)
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an imaginary line drawn around the middle of the Earth an equal distance from the North Pole and the South Pole Singapore is/lies on the Equator.(Cambridge) n. 赤道 The equator is an imaginary circle around the earth. 赤道是一个围绕着地球的假想的圆。 At the North Pole the North Star is at its highest position in the sky, but at the equator it is along the horizon. (9) Rain forests slightly farther away from the equator remain just as warm, but they have a dry season of three months or morn when little rain falls. (20夏青锋
exploration (19)
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to search and discover (about something) The best way to explore the countryside is on foot.(Cambridge) n. 探险；探测 The Elizabethan age was a time of exploration and discovery. 英国女王伊丽莎白一世时代是探索和发现的时代。 However, it was not until the eighteenth and nineteenth centuries that the exploration of the botanical world began on a large scale. (9) While many resources are spent on what seems a small return, the exploration of space allows creative, brave and intelligent members of our species to focus on what may serve to save us. (2011jx)
静宁一中 夏青锋
tide (34)
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the rise and fall of the sea that happens twice every day high/low tide(Cambridge) n. 潮；潮汐；潮流；趋势 As the tide receded we were able to look for shells. 潮水退去，我们就能寻找贝壳了。 He packed his canoe and paddled for days, ignoring strong tides and freezing water till he came to the island. (7wb) The tide was rushing to the entrance and beyond to the wild open sea. (2005tj) To know how to wait is the great secret of success. 懂得如何等待是成功的 秘诀。
静宁一中 夏青锋
at the mercy of (2)
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at the mercy of sb/sth in the power of sb/sth; under the control of sb/sth 任 由某人[某事物]摆布或控制 The ship was at the mercy of the storm, ie out of control or helpless. 那只船 在暴风雨中失去控制.(Cambridge) 受……支配 The workers find themselves absolutely at the mercy of the capitalists. 工人们发现他们完全任由这些资本家的摆布。 The voyages of travellers before the 17th century show that they were not at the mercy of the sea even though they did not have modern navigational aids. (9) The enemy were at the mercy of us. 敌人在我们面前毫无办法。 (词典例句)
人教新课标高中英语核心词汇释义及例句
选修9第2单元
静宁一中 夏青锋
latitude (6)
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the position north or south of the equator measured from 0°to 90°. (Cambridge) n. 纬度 The latitude of the island is 30 degrees north. 这个岛的纬度是北纬三十度。 This gave the seamen the local time and allowed them to find their latitude at sea. (9) Morocco and California are bits of the Earth in very similar latitudes, both on the west coasts of continents with similar climates, and probably with rather similar natural resources. (nce4)
静宁一中 夏青锋
log (15)
• • • • • • • a thick piece of tree trunk or branch, especially one cut for burning on a fire (Cambridge) n. 原木；木材 The hunter hid in a log cabin. 猎人藏在小木屋里。 The rope was tied to a log which was then thrown into the sea. (9) The log cabin dining house was built in 1929 and offers good camp food. (2005zj)
静宁一中 夏青锋
horizon (11)
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the line at the most distant place which you can see, where the sky seems to touch the land or sea The moon rose slowly above the horizon.(Cambridge) n. 地平线；视野 The sun dipped below the horizon. 太阳沉到地平线以下。 It measured how high stars were above the horizon using a quarter circle rather than the full circle of the astrolabe. (9) The beach to your right stretches off to the horizon, slowly narrowing to nothingness only to re-emerge again on your left, now steadily widening until it covers the chair beneath you. (2014hb)
静宁一中 夏青锋
knot (8)
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a fastening made by tying together the ends of a piece or pieces of string, rope, cloth, etc to tie a knot(Cambridge) n. 节 v. 打结 You need a sharp knife to cut through the knot. 你需用快刀才能把结切断。 As the ship advanced through the water the knots were counted as they passed through a seaman's hands. (9) The tide was rushing to the entrance and beyond to the wild open sea.There was a knot of tension in his stomach. 他紧张得心揪得紧紧的。 (词典例句)
静宁一中 夏青锋
encyclopedia (4)
• a book or set of books containing many articles arranged in alphabetical order which deal either with the whole of human knowledge or with a particular part of it The Cambridge Encyclopedia of Language(Cambridge) n. 百科全书 A good encyclopedia is a mine of information. 一部好百科全书是知识宝库。 Read these pages from an encyclopedia. (9) A good encyclopedia (°Ù¿Æ È«Êé), though expensive, is useful, too, because you can find information on any subject. (2008ah)