高三英语上学期教案Unit2教案

1、Unit 2 Crossing LimitsPeriod 1 Warming up & Listening & SpeakingStep 1lead inask the students some questionsDo you know what sport is the most fashionable, challenging and exciting in the world?(F! cycle race,challenging limits,such as bungee jumping,boxing,exploring .)There are a variety of explora

2、tions.Can you give some examples?(space explorations,ploar explorations,desert explorations,field explorations,voyage explorations )Step2 talk about the pictures in the SBl Zheng He, in the year between 1405 and 1433, seven large treasurefleets sailed westwards on voyages of trade and exploration. U

3、nder the command of Zheng He, the fleets set sail from the South China Sea across the Indian Ocean tothe Red Sea, and then traveled further south, discovering the eastern coast ofAfrica.He renewed relations with the Kingdoms of the East African coast.One Africanking sent the Ming emperor a royal pre

4、sent: two gifaffes.lJames Cook (1728-1779) was the greatestBritain navigator. Cook enlisted in the Royal Navy in 1755. In1768 he was promoted and sent to the Pacific where he surveyed Tahiti, New Zealand, and Australia. On his famous second expedition (1772 -75) he explored Antarctica. In 1776 he un

5、dertook his third and final voyage in which he explored the West coast of North America and tried to locate a passage between the Atlantic and Pacific oceans. On this voyage he discovered the Hawaiian Islands, and sailed up the coast of North America through the Bering Straits to the Arctic Ocean. O

6、n his return he was killed by Hawaiian islanders .lItalian -born explorer Christopher Columbusbroke with tradition in 1492, sailing west in an attempt to finda shorterroute to India and China. Columbus based his calculations for the journeyon Biblical scripture,specifically the books of Esdras in th

7、e Apocrypha.lOn August 3rd, 1492, Columbus departed from Palos de la Frontera, Spain, on the first of several voyages towhat he later called the“ New World. ”l Abel Janszoon Tasman (1603 年 - Groningen 省, 最早知道 他的 航 16421659) 是荷 船 和探 家 , 出生在 Lutjegast, 一个村庄在年和 1644 年, 在 VOC (Dutch East India Company 的

8、) 服 。他是第一欧洲 征达成范 Diemen 的 Land ( 在塔斯 尼 ) 并且新西 海 。他并且 了澳洲的 固部份。posssible answers: Q2,seven.Theyre Asia,Afria,Europe,North America,South America,Oceania and Antarctica.Q3,Windsandwavesonthesea,losingtheirway,lackoffoodanddrinkingwater,pirates,languages,communication devices and diseases lQ4,explore,ch

9、allenge,brave,luck,lackof,hardship,death,disease,success,failure,wealth,knowledge,technology,information, equiplDescribe the dangers and challenges by using the followingmake a discovery, expedition, explore the unknown. do scientific research,map the coast, find a new landmass,hit a rock, meet with

10、 storm, fight against the natives,land ,set out/sail for,by sea/radio/flag languageStep3 listeningStep4 speakinglPresent opinion:1.From my understanding,I fond it possible that -2.IN my opinion,nobody has the right to -第 1页共 7页3.For the sake of-, I believe -4.In respect for -,we should -5.Everything

11、 has two sides, but I -6.By no means should we sacrifice peoples life in the name of science -7.First,-Seecond,-Third, -Step5 Language points1.what sort of questions do you think the reporter.sorts of 各种各 的a sort of 一种eg: you can see sorts of fishes under the sea.do you think是插入 ,放在特殊 句疑 之后,其后的句子 用

12、述 序.eg: When do you think they will come back?2. What modern means can explorersmeans 方式 ,方法( 复数同形 )make use of make good/full use of 3. In which way will a human trip tobe similar to .与相似eg: The gold is similar to brass in color.4.In their work, scientists meet with meet with ,come acrosscome up wi

13、th , run into 遇到 ,碰上Eg: While reading, you are sure to come across somenew words.make decisions about. 作出决定about which在句中引 一 有介 的定 从句, 修 先行 situations5.When Captain James Cook landed in .take possession of 把占 己有 ,占 , 取e.g. Don t take possession of the wallet,though you picked it up in the street.in

14、the name of 以名 ,代表e.g. The police arrested him in the name of the law.4.Instead of sending people, we can send robots equipped with .instead of 代替 , 而不是e.g. Instead of going to the museum,they finally decided to go to the park.equipped with “ 装 ” , 去分 短 作定 equip with .,be equipped with .e.g. All the

15、 police are equipped with guns and bullets.equipmentn.设备 ,配置do observations for 去做 察Period 2 and 3readingStep1 ScanningTitleReaching Out Across the OceanThesisMany great explorers made expeditions across thesentenceIndianOcean longbeforeColumbus, among whom第 2页共 7页Zheng He was the most prominent.Mai

16、n idea(before Zheng He)Main idea(before Zheng He)P2P3China had contacts with countries along the Indian Ocean from the early time, and during ancient time explorers had begun to contact with each other.Between the Han and the early Tang Dynasty, Swahili kingdoms andthe islands off the African coast

17、developed into the world trade centre and attracted merchants from the world.During the Tang Dynasty, Du Huan, whotraveled to many lands, wrote the book Record of My Travels.P4Main idea(beforeP5In the eleventh century, the Africans madeZheng He)several voyages to the court of the SongDynasty.Mainide

18、a(afterZheng He)By the beginning of the fifteenth century the time was ripe forP6a grand meeting.In the years between 1405 and 1433, under the command ofZheng He, seven large treasurefleets sailed westwards onP7voyages of trade and exploration.Zheng He renewed relations with the kingdoms of the East

19、Main ideaP8African coast.(afterZheng He)The fleet made several expeditions before the exploration wasP9stopped.Step2Judge the following sentences True or False1. The Europeans were the first Explorers to travel to other countries.2. Accurate maps of the countries around the Indian Ocean were made be

20、fore the fifteenth century.3. In the years between 1405 and 1433 , Zheng He sailed westwards only on第 3页共 7页voyages of exploration.4 Zheng He invited African countries to send ambassadors to China. Step3Put the sentences in good order.1.In the eleventh century, the Africans made several voyages to t

21、he court of the song dynasty.2.Merchants from the Arabic countries began to travel to the Swahili kingdom and the islands off the African coast to trade with them.3.People of the Han Dynasty exchanged silk for spices and glass with Indians and Romans by way of the Silk Road.4. The Chinese traveller,

22、 Du Huan, wandered Through Arabic countries for about 10 years.5.Christopher Columbusand other European explorers searched for routes to Asia.6. Zheng He made seven voyages and discovered the eastern coast of Africa. Step4 Language points1.reachreach outreach forPlease reach me that book.Not a singl

23、e word reached my ears.He reached out his hand for the knife , but it was too far away.We must reach out to those in need.Jim reached for a gun but he was stopped.2.puzzleWhat puzzles me is why they didnt show up.? He looked a little puzzled.? We finally puzzled out the meaning of the poem? Her deci

24、sion was a puzzleto him? Im in a puzzle as to how to cope with the new situations.3. searchsearch forsearch - forin search ofThe police searched the prisoner to see ifhe had a gun.I searched shop after shop for my sister sbirthday present.The parents searched for their lost boyhere and there , but t

25、hey didn t find him.I will make a search for your book.I looked everywhere in search of my glasses.4. long beforebefore long(= soon )There was a lively market long before.Before long you will understand what Isaid is good for you.I had waited him long before he came.It won t be long before you see h

26、im again.It was long before they escaped from thecruel prison.5. find ones wayfeel /make / fight /push one s wayI hope you can find the way home.第 4页共 7页She couldnt find the way out of the building.The soldiers fought their way through thefierce enemies.6.exchangeexchange-forin exchange forId like t

27、o exchange five apples for five eggs.Mary exchanged her seat with Ann.He is giving her French lessons in exchangefor his English lessons7. an island off the coast of the southeast Keep off the grassland !cut a piece off the loafThe ship was brown off its course.8.wander ( 常与 about /in/ through连用 )Th

28、e children wandered in the woods.The river wanders through beautiful country.They wandered up and down the roadaimlessly.His mind wandered back to his college life.9. commandThe officer commanded his men to fire.He commanded that everyone make thebest of the chance of senior three.The army is under

29、the commandof general Washington.Bill is in command of the fleet.10.volunteer.C1. 自愿参加者 ,志愿者 (+for)(+to -v)The volunteers for community service are doing a good job.社区服务的志愿者做得很出色。2. 志愿兵 , 义勇兵Many Australians fought as volunteers on the Allied side.许多澳大利亚人作为志愿兵与盟军一起战斗。vt.1. 自愿 (做)(+to -v)They volunte

30、ered to repair the house for the old lady.他们主动提出替老太太修缮房子。2. 自愿提供 ,自愿给予She volunteered the information.她自动提供了这一消息。vi. 1. 自愿 ;自愿服务 (+for)He volunteered for the hard and unprofitable job.他自愿做这苦差使。2. 自愿当兵 (+for)When the war broke out, he volunteered for the Marine Corps.战争爆发时 ,他自愿参加了海军陆战队。11.suggest vt.

31、1. 建议 ,提议 +v-ing+(that 虚拟 )+wh -I suggest our going to the park on Sunday.我建议我们星期天去公园。The dentist suggested that she (should) come another day.牙医建议她改天再来。2. 暗示 ;启发 +(that 陈述 )Her expression suggested pleasure./that she was pleased.她面露喜色。3. 使人想起 ,使人联想到 (+to)第 5页共 7页That cloud suggests a boat to me. 那

32、云使我 想到船。12.accomplish vt. 1. 完成 ,实现 ,达到They didnt accomplish the purpose desired.他 没有达到 期的目的。They have accomplished their mission successfully.他 成功地完成了任 。2. 走完 ,度 She has accomplished 95 years of her life. 她已达九十五高 。The journey was accomplished in five weeks.花了五个礼拜走完全部旅程。13refer to1. ，参 A person refe

33、rs to a dictionary to find the meaning of the words.2. 指而言，指的是I knew the lady was referring to Bill when she spoke of a bright young boy.3. 把称作 (as)Don t refer to your sister as a silly cow!referto1. 指 ； 找Our teacher refers us to many good books.If he needs any further information, refer him to me.2

34、. 功于； 咎于He referred his success to the good teaching he s had.14.arise (arose, arisen) vi.1. 升起 ,上升 A heavy mist arose from the lake. 湖面起了 。2. 生 ,出 ,形成 (+from/out of)Unexpected difficulties arose in the course of their experiment.在他 行 的 程中,出 了意想不到的困 。Between the copartners serious disagreements arose.合伙人之 生了 重分歧。Period 4Step1ScanningTitleGoing High: the Pioneers of the Third PoleBy the middle of 1920s, Mount Qomolangma remained to be greatest challengeP1for human b