新视野大学英语第三册教案Unit6.docx

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1、河传媒浣周次时间年 月 日一月 日第 节章节名称Unit 6授课方式课堂讲授:(V ) 实践课()教学目的1. Topic understanding, natural problems2. Words and expressions, difficult sentences.教学手段Studentsoriented communicative teaching, free discussion and interaction.重点1. Topic understanding2. Improving the students reading and translating ability.难点

2、1. The understanding of the whole text and the writing style.2. The comprehension of the complicated sentences.作业1. in-class exercises: pl54 p157pl592. after-class homework: pl52 pl55 pl56教Unit six Section A方法学How to Prepare for Earthquakes导入:介绍内Time Distribution:整个单元的容1. Warm-up activities主题地与2. Dr

3、ills of important phrases in the text震3. Organization of the text (main idea, developing devices)教4. key words and expressions5. Assignment播放一段视学频资料,引过I. Warm-up activities入主题程Have you ever been in an earthquake? What do you think you would do if the地震,并向room started to shake?Confronted with a earth

4、quake, Dont panic and run aimlessly, to jump from a building, to take shelter where you are.1 in class/ hide under desks, to shield ones eyes from the fragments of broken glass.2 in a building/ go to narrow rooms, like kitchens, bathrooms for protection.3 If you are in a workshop,/cut off the electr

5、icity and explosive gases and take shelter under a big machine.2.How should we prepare earthquake?(1) Regular check and reinforce building.(2) Keep in place emergency/ survival supplies such as water, a torch, a radio receiver, and extra batteries.学生介绍唐山大地震授课教案(3) Make plans in case of emergency.3 .

6、 If you were going to rent an apartment, would you like to live on top floor or on the first floor, explain your reasons.Broad vision and good view and sunlight, in the event of emergency, more chances of survival.4 .What are the other natural disasters?ASRS ,Tornado ,Typhoon, Hurricane, Volcano Eru

7、ptions教II. Drills of important phrases in the text1.预测地震 forecast earthquake2.警示信号 warning signs3.实验数据experimental data4.重大财产损失greatdestruction of property5 .关注重点a major concern6.改善建筑结构improvebuilding structures7 .扑灭任何火灾put out any type of fire8.便携式露营灶a portablecamp stove9 .地震救急计划 earthquake emergen

8、cy plans 10.明智的安排 a sensible arrangement11 .地表运动ground movement12.在地震中幸存下来survive学in an earthquake13.政府规划government programs14.地震研究项目内earthquake-related projects容与15.就达成一致意见agree on16.登记,报到check inIII. Organization of the text (main idea, developing devices)教Main idea of the text and devices for dev

9、eloping it: How to predict and prevent quake. (Prepare building, check and reinforce house, check and、,.reinforce house, mentally prepared.)过Paral : Some examples of how to predict earthquake?/ way of developing the idea: Deduction程Supporting details:Scientists have wired the Earth and sea to detect

10、 movements.traditionally observe animals and plants for warning signs of earthquakes. They have found that before an earthquake hens refuse to enter their cages, snakes leave their ground holes to freeze to death, quiet dogs bark a lot, fish swim near the surface of water and pigeons become noisy an

11、d fly in unusual patterns.Experimental data show that the amount of radon (Rn) in the water under the surface of the Earth waxes before an earthquake.Para2: How to prevent for possibility of earthquake./ way of developing the idea :Addition./ Deduction/Reasoning.Deduction: l.Many new structures are

12、built with an I-joint, which appears to be the most durable type of joint. These joints of steel can move without breaking.教 学 内 容 与 教 学 过 程2.Architects design buildings so that the buildings columns and horizontal beams are of equal strength, and vertical support columns are inserted deep into soli

13、d soil, design columns and horizontal beams with equal strength.3Many new houses have relatively light roofs and strong walls.4.Concrete pillars for highway bridges that previously only had steel rods inside are now enclosed in steel.Addition: Also.In addition.Reasoning: After all.ThereforePara3-6:

14、How to prevent for possibility of earthquake./way of developing the idea :Addition(递进法).1 .Regularly check and reinforce your homes,2 .Emergency supplies: supplies of water and food at home and at work. Keep survival supplies such as a radio receiver, a torch, extra batteries, first-aid supplies, a

15、spade, a tent, some rope, and warm clothing.3 .Keep a fire extinguisher and some proper tools to turn off gas and water lines. Arrange an auxiliary cooking and heating source. Keep a Pair of heavy shoes or boots to protect your feet.5 .Make emergency plans. Addition: Besides. In addition to . Expert

16、s also suggest the following:. Also important is an arrangement for family members to.Para.7 Conclusion: ./way of developing the idea :Concession(让步法).Even if prediction becomes possible, people still have to do their best to prevent disasters by improving building structures and by being personally

17、 prepared.IV. key words and expressionsA. key words1. attach sth. to sth. fasten or join sth. to sth. 1) Attach the handle to the box. 2) Please attach a label to each piece of luggage. 3) The picture was attached to the wall by a nail. 2) cause (oneself) to join as a member of This institution is a

18、ttached to the University of Texas.2. Check in report ones arrival, as at a hotel desk, airport, etc. 1 )Because of strict security measures, passengers are requested to check in three hours before the flight. 2)He works at the desk, checking in the guests. 3)It*s advisable to check in early to get

19、a good seat on your flight.B. Patterns1. After all, (理山)Therefore, is a major concern / emphasis.(观 点) 要知道/毕竟, 所以,是关注的重点。应用: 要知道,我们仍然是个发展中国家。所以,如何使我们的国民经济保持可 持续发展将是关注的重点。After all, we are still a developing country. Therefore, how to keep our economic development sustainable will be a major concern.

20、2. Besides / In addition to / Apart from working / seeking l,sb. needs t 除了设法外,某人也Z还需要应用:除了设法改革课程结构外,校方还需最大限度地丰富校园生活。Besides seeking to reform the structures of courses, the university needs to enrich the campus life to the fullest.3. Perhaps most / Particularly + adj. / PP, and most + adj. / PP, is

21、也许最 /尤其、也最的,是应用:也许最难能可贵、也最令人钦佩的,是他出污泥而不染的品质。Perhaps most remarkable, and most admirable, is his virtue of remaining honest in spite of general corruption.教 学 内 容 与 教 学 过 程V. AssignmentThe Changes in Great Natural Disasters Worldwide1) As can be seen from the graph, there have been rapid changes in t

22、he great natural disasters worldwide over the past period from 1960s to 1990s. 2) To be concrete, there were only 16 terrible natural disasters, causing 300,000 deaths in 1960s while the ratios went up respectively to 131 and 1,100,000 in 1990s. 3) The changes are disturbing, so it is necessary for

23、us to go into the whys and wherefores of them first.4) Some changes, such as those in earthquakes and volcanic eruptions, result from the movement of plates along the weaknesses in the earths crust, but many others have much to do with mans activities. 5) In the first place, mans mindless and excess

24、ive exploitation of natural resources has done a lasting damage to the ecosystem, only to invite more floods, landslides and mud-rock flows. 6) The rare flood to which China was subjected in 1998 is typical of the evil seeds man had sowed for himself. 7) In the second, in order to feed their more an

25、d larger families, people from all over the world have had to overwork their farming land as well as their grassland, which in turn has accelerated the desertification of the land on which they have been relying for existence, environment.教 学内 容 与 教 学 过 程8) In the third, mans blind application of sc

26、ientific findings has caused unfavorable and permanent changes in the global living 9) Among these changes are the depletion of ozone layer, the worsening of greenhouse effect, the recurrence of hurricanes and the extinction of more species. 10) The list of causes could go on, but they are already e

27、nough to indicate that these changes are producing more and more negative effects on the world. 11) They have not only made it impossible for the natural systems to recover their balance but also made it harder for man to ensure his better survival. 12) If allowed to run its course, I am afraid, thi

28、s trend will certainly bring more serious threats to all the living things on the Earth, mankind included.Section B Changes in the Balance of Nature自然界平衡的改变(快读)练习:看看英语怎么说?! 自然界的平衡 the balance of nature2 换而言之 in other words3 根据 in accordance with4 原始海洋生物 primitive marine animals5 温血动物 warm-blooded an

29、imals6手工技能manual skill7矿物资源mineral ores8 农业产量 agricultural production9 自然体系 natural systems10 偏远地区 remote areas11 粮食短缺 food shortage12 天气状况变化 changes in weather patterns13 雨林 rain forest14 不知道 be ignorant of15 归还 give backDetailed Shidv of the Text (12 key points )1. (Para. 2).only in accordance wit

30、h the measures and the comparisonsinvolved.in accordance with: in agreement or harmony with如:听题一,We are required to act in accordance with his instructions.我们被要 求依照他的指示办事。听题一Deeds should be in accordance with words.言与行应该一致。2. (Para. 3)The Earth was formed about five billion years ago from a rotating

31、,circular cloud of dust and gases such as hydrogen and nitrogen.rotate: v教1 )(cause to)move in circles round a central point听题The earth rotates around the sun.地球绕着太阳转。2)(cause to) take turns in a particular order听题The duty of washing dishes rotated among the children.孩子们轮流洗 碗。3. Para. 4).around 500

32、million years ago these sea animals developed shells.学shell: n.内1) the hard outer covering of sth.听题-Small sea-shells were once used as a primitive kind of money. 小容小的贝壳曾经是最早的货币。与2)a metal container filled with explosives that is fired by a large gun听题Shells were landing in the outskirts of the city

33、.炮弹都 落在了城郊。Vt. Remove the shell of sth.听题You have to shell peanuts before eating them.吃花生以前要先剥壳。教学过程4. (Para. 4) About 200 million years ago, warm-blooded animals took to theair-the first birds.take to:1) begin to do (sth.) as a practice, habit, etc.听题一一 He gave up medicine and took to literature.他弃

34、医从文。2)be kind or favorable to; like如:听题-He seemed such a lovely child; I took to him immediately.他看上去 是那么可爱的个孩我刻喜欢上了他。3)go to(a place)for rest, hiding, escape, etc.听题 He was forced to take to his bed.他被迫卧床休息。5. (Para. 4)Life was now flourishing, flourish: v.1) grow or develop successfully听题 These pl

35、ants flourish in a sunny position,这些植物在向阳的地方长得 特别茂盛。2) move sth. in ones hand in order to make people look at it听题一The driver flourished a street plan, with a route marked in red.司机手里 挥舞着张街区规划图,上面用红笔标出了一条线路。6.(Para.5) In terms of the evolution of life on Earth, human beings have justarrived.in terms

36、 of: from .point of view; with regard to; concerning如: 听题- In terms of money, the old man is very rich, but not in terms of happiness.从钱的方面来说,这个老人很富有,但就幸福而言,他却不是这 样。听题一We are quite at a disadvantage in terms of manpower.在人力方面,我们 处于不利地位。7. (Para. 8) As they consume these resources without limit, they

37、 also wastelarge amounts of them.教restraint: n.1) restraining or being restrained如:听题一His rage was beyond restraint.他怒不可遏。2) a thing that restrains or controls1奸题At that time the young man was suffering from the restraints of illness and poverty.当时,这位年轻人贫病交加。学内8. (Para. 9) Yet their numbers create a

38、 drain on resources that cant be容renewed.与renew: vt,1) replace (sth.) with sth. new of the same kind如:听题The trees renew their leaves every spring.每年春天树木都长出新叶 子。2) put new life or vigor into (sb./sth.)听题-Her love and care moved his heart and renewed his health gradually.她的 关爱打动了他的心,并使他逐渐恢复了健康。3)exten

39、d the period of time听题My car license has to be renewed in July.我的汽车执照必须在7月份办 理延期手续。教学过程9. (Para. 10) Likewise, a limited amount of petroleum can be found under theEarths surface.likewise: ad. in the same way; the same如:听题一They went on foot and I did likewise.他们步行去,我也步行去了。10. (Para. 13) Called native

40、 peoples, they retain the ways of life that haveremained unchanged for many generations.retain: vt.1) keep or continue to have (sth.)如:听题 Flowers, when air-dried, will retain their color.花朵风干后能保持 原来的颜色。3) hold in place听题一The farmers have built a dyke to retain water.农民们修建了一座蓄水大堤。.11. (Para. 15) As a

41、n outcome of their hunger for empires, the Earth is abused abuse: vt.1) make bad or wrong use of sth.如: 听题一 These are powers, which, if abused, could quickly turn him into a dictator.他如果滥用权,很快会变成一个独裁者。2) treat sb. badly听题That cruel couple often abused little Julia and refused to give her enough food

42、.那对残忍的夫妻经常虐待小朱丽叶,并且不让她吃饱.n.教1) wrong or bad use of sth.听题一Alcohol abuse and eating disorders often go together,酗酒总 是和饮食不调相伴出现。学2) bad treatment of sb.内听题The prisoners were treated with abuse.囚犯受到虐待。容12,.(Para. 15) .they are no longer ignorant of the causes of the sickness of ourplanet.与ignorant: a.教1) knowing little or nothing如: 听题一We are, in reality, extremely ignorant of the various causes of this学greatest killer disease.实际上我们对这种绝症无所知。过2) lacking education听题-He is an ignorant person一he always goes through a door in front of a程lady.他是个很无礼的人一总是在进门时走在女士前面。课后小结

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