优化课堂2012高二英语课时作业：UNIT4（新人教版选修6）.doc

1、Unit 4Global warmingSection Warming Up & Reading一、单词拼写1She _ (消耗) much of her time in studying.2Snowing is a natural _ (现象) in winter.3The newspaper did not mention the concrete _ (范围) of the damage caused by the fire.4He _ (看一下) at his watch and then looked up at the sky.5Keep the camera _ (平稳的) wh

2、ile you take a picture.6He took a book at _ (任意的)7Most of our _ (资料) is stored on computers.8The English party turned out to be a _ (灾难)9Our office furniture leads the new _ (趋势)10He _ (陈述) his views to me at the meeting yesterday evening.二、介、副词填空与短语搭配1come _ 发生；造成2subscribe _ 同意；赞成；订购3quantities _

3、大量的4go _ 上升；增长；升起5result _ 导致6be opposed _ 反对7_ if 即使8keep _ 继续三、完成句子1_ (毫无疑问) she will keep her word.2He _ (易于) make spelling mistakes.3He _ (同意了) his parents suggestions.4This hotel offers _ (一系列的) services for its guests.5The king decided to _ (集结) military forces.四、课文内容填空When compared with most

4、natural changes, that the temperature of the earth rose about one degree Fahrenheit during the 20th century is quite shocking.And its human activity (1)_ has made the global warming come (2)_ rather than a (3)_ but natural (4)_All scientists (5)_ to the view that the increase in the temperature is d

5、ue to the burning of fossil fuels.Dr Janice Foster explains that people add huge (6)_ of extra carbon dioxide to the atmosphere.From the second (7)_ discovered by Charles Keeling, all scientists believe that the burning of more and more fossil fuels has resulted (8)_ the increase in carbon dioxide.G

6、reenhouse gases continue to build up.Some think that the (9)_ would be a catastrophe.On the other hand, George Hambley (10)_ (statement) that more carbon dioxide would encourage a greater range of animals and bring us a better life.五、阅读理解In 1993, New York State ordered stores to charge a deposit (定金

7、) on beverage (饮料) containers.Within a year, consumers had returned millions of cans and glass and plastic bottles.Plenty of companies were eager to accept them as raw materials for new products.But because few could figure out what to do with the plastics, much of it was buried in landfills (垃圾填埋场)

8、The problem was not limited to New York.Unluckily, there were too few uses for secondhand plastics.Today, one out of five plastic soda bottles is recycled in the United States.The reason for the change is that now there are dozens of companies across the country buying discarded plastic soda bottles

9、 and turning them into fence posts, paint brushes, etc.As the New York experience shows, recycling involves more than simply separating valuable materials from the rest of the rubbish.A discard remains until somebody figures out how to give it a second life.Without adequate markets to absorb materia

10、ls collected for recycling, throwaways actually depress prices for used materials.Shrinking landfill space and rising costs for burying and burning rubbish are forcing local government to look more closely at recycling.In many areas, the East Coast especially, recycling is already the least expensiv

11、e wastemanagement option.For every ton of waste recycled, a city avoids paying for its disposal, which, in parts of New York, amounts to saving more than $100 per ton.Recycling also stimulates the local economy by creating jobs and cuts down the pollution control and energy costs of industries that

12、make recycled products by giving them a more refined raw material.1What regulation was issued by New York State concerning beverage containers?ABeverage companies should be responsible for collecting and reusing discarded plastic soda bottles.BThrowaways should be collected by the state for recyclin

13、g.CA fee should be charged on used containers for recycling.DConsumers had to pay for beverage containers and could get their money back on returning them.2The returned plastic bottles in New York used to _.Aend up somewhere undergroundBbe turned into raw materialsChave a secondlife valueDbe separat

14、ed from other rubbish3The key problem in dealing with returned plastic beverage containers is _.Ato sell them at a profitable priceBhow to turn them into useful thingsChow to reduce their recycling costsDto lower the prices for used materials4Recycling has become the first choice for the disposal of

15、 rubbish because _.Alocal governments find it easy to manageBrecycling has great appeal for the joblessCrecycling causes little pollutionDother methods are more expensive5It can be concluded from the passage that _.Arubbish is a potential remedy (补救) for the shortage of raw materialsBlocal governmen

16、ts in the US.can expect big profits from recyclingCrecycling is to be recommended both economically and environmentallyDlandfills will still be widely used for waste disposalSection Learning about Language一、单词拼写1What is your _ (平均的) monthly income?2He has a _ (倾向) to forget things.3People hold _ (普遍

17、的) belief that the company is in financial trouble.4The _ (外面的) door needs repairing.5He doesnt believe in the _ (存在) of ghosts.二、用方框中所给短语的适当形式填空1Everything _ is reasonable.2_ people love each other, they fight sometimes.3I know I can achieve success if I _ trying.4My opinion is _ the same as you.5H

18、e stays at Internet bar above 8 hours every day_.三、语法填空We eat for many different reasons but not always for the right reason.Most people choose to eat something just (1)_ the food tastes delicious.(2)_， if we choose based (3)_ taste alone, regardless of nutrition or healthy eating habits, then gaini

19、ng weight is inevitable.Changing your eating habits means (4)_ you need to look at the nutritional value as well as the amount of fat. Healthy eating habits come from eating foods that are low in fat.Learn to read labels so that you can make good decisions; every (5)_ (package) food product has a la

20、bel that tells you the (6)_(nutrition) value, (7)_ number of calories and fat content. Eating habits usually stay the same as we grow from childhood to adulthood.(8)_ (fortune), our metabolism (新陈代谢) (9)_ (tend) to slow down as we age.If you are raised on sugar and highfat foods, the amount of fat k

21、eeps building as you get older (10)_ the cycle is broken by good eating habits or exercise, and perfectly both.四、信息匹配首先请阅读下列的景点信息：ABrightwood Park Take you up to Westfields natural preserve for a short hike or to practice skipping stones in the large pond.You can look for deer and other woodland ani

22、mals or go on a nature treasure hunt.BJewark AirportThe airport offers free tours covering the history of the airport, terminal operations, and emergency vehicles and equipment for groups of 15 to 30 persons.The tours are intended for students in Grade Three and above.Also see Newark International A

23、irport.CCheesequake State ParkThe Cheesequake State Park features 1,284 acres of open fields, a hardwood forest, a variety of wildlife and about 200 species of birds.Activities include hiking, boating, canoeing, swimming and a variety of winter sports.An interpretive center provides live wildlife ex

24、hibits and environmental education programs, including nature walks.DThe Model Railroad Club The Model Railroad Club is an activity of the Union County Park System.The Club is open to visitors every Saturday afternoon for viewing the model train displays.Every fall, the Club sponsors a Light and Sou

25、nd Show that will delight the model train lovers.EFosterfields Living Historical FarmLearn about farming as it was done 100 years ago at Fosterfields Living Historical Farm.There are demonstrations on planting and harvesting crops as well as special programs held throughout the year.Some of these in

26、clude wool cutting and carriage driving.FDeutsch MuseumGermanys leading museum of science, engineering, and transportation has everything from steam engines to space exhibitssome of which are closed for remodeling until May, 2003.Dont miss the Forum der Technik, which has a worldclass planetarium an

27、d an IMAX theatre. 以下是五组出游者的基本信息。请把他们与适合他们的旅游景点匹配起来。1Daniel, a young computer programmer, has been working hard and needs a holiday to relax in winter.He likes to get close to nature and enjoy water sports.2Henry, Ann and their two teenage sons hope to take their holiday outdoors.They would like to

28、find a place where they can play games, such as looking for treasure.3Philip, a high school student, wants to travel on weekends, and would like to learn about materials to use when building a setting for the train set.4Teresa, a primary school teacher, plans to take the whole class of 20 students f

29、or a holiday.The students will graduate this year, so shed like to organize an activity without charge but it is instructive.5Tony, a young engineer in a modern car factory, enjoys an adventure journey once a year.This time, he would like to have journeys to the countryside, where he can try to lear

30、n about driving a horse and carriage.Section Using Language一、单词拼写1The new factory is full of _ (与电有关的) equipment.2I know I can trust her in any _ (情况)3The water _ (污染) in this area is badly serious.4We _ (提倡) economical life.5A long sleep _ (使恢复) her.6He won the Nobel Prize for his outstanding _ (贡献

31、) to physics.二、完成句子1How can he _ (忍受) his boss?2I just want to make sure that it is acceptable to the factory before _ (对作出承诺) you.3I will lend you the money _ (只要) you accept my requirement.4The president cant join the conference today, so Im going to speak _ (代表) him.5In their minds, money can bri

32、ng comfort, security, _ (等等)三、完形填空When I was young, my grandmother used to tell me stories.Id like to _1_ with you one of my favorites.Once, there was a young boy.He was very _2_ because he couldnt keep his friends.He asked his father why this was so.His father _3_ replied, “Son, each time you say o

33、r do something that _4_ one of your friends, hammer a piece of wood into the _5_.” The curious boy did as he was told and soon he made fence (篱笆) out of the wood.“Father！” he cried, “I cant get out! I am blocked by this fence！”“Well, Son, each time you say something _6_ to a friend, you can take one

34、 piece of wood out.” The boy _7_ this, too.On the first day he took out one piece of wood and on the second day he took out another two.On the third day he took out some more.Finally he had _8_ all of the wood.“But Father！” he cried again, “Look at the _9_ in the ground! They are big and dark! Oh, h

35、ow ugly！” “Son，” his father said, “this is why you arent able to _10_ your friends.Remember: when you hurt someones feeling, no matter what you do to _11_ up for it, there will always be a scar (伤痕) in his _12_.” From that day on, the boy was very _13_ of his words and actions and he never hurt his

36、friends feelings again. I always keep this story close to my heart.It has _14_ me a lot.I am always careful not to hurt any of my friends because they are people that I wouldnt want to _15_.1A.argue Bdiscuss Cshare Dcompare2A.happy Bupset Cfriendly Dfrightened3A.just Bhardly Calso Donce4A.leaves Bpl

37、eases Churts Damuses5A.wall Bground Cfield Ddoor6A.surprising Binteresting Cnice Dbad7A.did Bmade Crefused Dsaid8A.removed Brepeated Creplanted Drecycled9A.sand Bdirt Choles Dsticks10A.make Bmeet Ckeep Dstay11A.turn Btake Cbring Dmake12A.heart Bface Cneck Dhand13A.afraid Bcareful Cproud Dfond14A.fou

38、nd Btaught Clent Dsaved15A.avoid Badmire Crespect Dlose四、阅读理解Diana Jacobs thought her family had a workable plan to pay for college for her 21yearold twin sons: a combination of savings, income, scholarships, and a modest amount of borrowing.Then her husband lost his job, and the plan fell apart.“I

39、have two kids in college, and I want to say come home， but at the same time I want to provide them with a good education，” says Jacobs.The Jacobs family did work out a solution: they asked and received more aid from the schools, and each son increased his borrowing to the maximum amount through the

40、federal loan (贷款) program.They will each graduate with $20,000 of debt, but at least they will be able to finish school.With unemployment rising, financial aid administrators expect to hear more families like the Jacobs.More students are applying for aid, and more families expect to need student loa

41、ns.College administrators are concerned that they will not have enough aid money to go around.At the same time, tuition (学费) continues to rise.A report from the National Center for Public Policy and Higher Education found that college tuition and fees increased 439% from 1982 to 2007, while average

42、family income rose just 147%.Student borrowing has more than doubled in the last decade.“If we go on this way for another 25 years, we wont have an affordable system of higher education，” says Patrick MCallan, president of the center.“The middle class families have been financing it through debt.The

43、y will send kids to college whatever it takes, even if that means a huge amount of debt.”Financial aid administrators have been having a hard time as many companies decide that student loans are not profitable enough and have stopped making them.The good news, however, is that federal loans account

44、for about three quarters of student borrowing, and the government says that money will flow uninterrupted.1According to Paragraph 1, why did the plan of Jacobs family fail?AThe twins wasted too much money.BThe father was out of work.CTheir saving ran out.DThe family fell apart.2How did the Jacobs ma

45、nage to solve their problem?AThey asked their kids to come home.BThey borrowed $20,000 from the school.CThey encouraged their twin sons to do parttime jobs.DThey got help from the school and the federal government.3Financial aid administrators believe that _.Amore families will face the same problem

46、 as the JacobsBthe government will receive more letters of complaintCcollege tuition fees will double soonDAmericas unemployment will fall 4What can we learn about the middle class families from the text? AThey blamed the government for the tuition increase.BTheir income remained steady in the last

47、decade.CThey will try their best to send kids to college.DTheir debts will be paid off within 25 years.5According to the last paragraph, the government will _.Aprovide most students scholarshipsBdismiss some financial aid administratorsCstop the companies from making student loansDgo on providing fi

48、nancial support for college students五、基础写作假如你是班长，请根据下表所列内容写一个口头通知，以备向全班宣读。 写作内容电影功夫梦上映时间明天下午5：007：20上映地点新世纪影城票价30元/张(学生团购：4折优惠价)其他愿意去看的同学今天晚饭前将钱交给你，以便今晚校学生会去统一购票。写作要求1只能用5个句子表达全部内容；2文章的开头已经给出，不计入总句数；3参考词汇：功夫梦 The Karate Kid 2010评分标准句子结构准确，信息内容完整，篇章结构连贯。Dear friends，Attention, please! I have somethin

49、g important to tell you._本单元重点词汇拓展词汇构词法支招tend vi.趋向；易于；照顾vt.照顾；护理tendency n趋向；趋势1.ency为名词后缀，表示“性质，状态，行为”。 如：innocency 无罪。2.ed为形容词后缀。放在动词后表示“动作的承受者”。如：attacked 受攻击的。3.ly为副词后缀。表示“方式，程度，范围”。如：mildly 柔和地。4.ence为名词后缀。表示“性质，状态”。如：dependence 独立。5.ment为名词后缀。表示“行为，状态，过程，手段及其结果”。如：disagreement 分歧。6.tion为名词后缀，

50、表示“行为的过程或结果”。如：contribution 贡献。7.th为名词后缀，表示“过程”。如：birth 分娩。8.or为名词后缀，表示“行为者”。如：protector 保护者。oppose vt.反对；反抗；与(某人)较量opposed adj.反对的；对立的steady adj.平稳的；持续的；稳固的steadily adv.平稳地；持续地existence n生存；存在exist v存在commitment n承诺；交托；信奉commit v犯(罪或错等)；承诺，保证pollution n污染；弄脏pollute vt.污染growth n增长；生长grow v增长；生长educ

51、ator n教育工作者；教育家educate v教育；培养运用用所给单词的适当形式填空1Does any water _ on the Mars? Is there any _ of living things there？(exist)2As a great _， he had _ many outstanding students who made great contribution to our society.(educate)3We cant change his _ stance, and he keeps on _ the plan.(oppose)4Its a new _ t

52、hat everyone _ to invest in the filed of antique.(tend)5Keeping the _ situation is very important for our development.(steady)6Once the river is _， it will take generations to deal with the _.(pollute)7He made a _ to pay the rent on time.(commit) 8Last year the farmers _ a new breed of rice and now

53、its excellent _ ensures a bumper harvest.(grow)答案Unit 4Global warmingSection Warming Up & Reading课时作业一、1.consumed2.phenomenon3.range4.glanced5steady6.random7.data8.catastrophe9trend10.stated二、1.about2.to3.of4.up5.in6.to7.even8on 三、1.There is no doubt that2.tends to3.subscribed to4a range of5.build u

54、p四、1.that2.about3.random4.phenomenon5subscribe6.quantities 7.graph8.in9.trend10states五、1.D细节理解题。由文章第一段第一、二句可知选D。2A细节理解题。由文章第一段的“much of it was buried in landfills”可知塑料瓶子过去都被埋掉了。3B推理判断题。由文章第一段的后半部分和第二段可知，过去塑料瓶之所以被埋掉的原因是因为人们还没有找到如何再利用塑料的方法。4D细节理解题。由文章最后一段的“recycling is already the least expensive wast

55、emanagement option”可知选D。5C推理判断题。由全文可知，本文主要讲述了回收利用的好处，旨在强调回收再利用是一种经济环保的方式，故选C。Section Learning about Language课时作业一、1.average 2.tendency3.widespread4.outer5existence二、1.in existence2.Even if3.keep on4on the whole5.on average三、1.because考查原因状语从句。由上下文可知此处表示因果关系，故填because。2However考查副词。however意为“然而”，在此表转折。

56、3on考查固定搭配。base on 以为依据。4that考查宾语从句。that引导的从句在此作mean的宾语，且that在从句中不作任何成分。5packaged考查非谓语动词。packaged是过去分词作定语，意为“打包的”。6nutritional考查形容词。形容词修饰名词。7the考查固定搭配。the number of 的数量。8Unfortunately考查词形变化。unfortunately在此意为“不幸地”。9tends考查动词时态。全文用的是一般现在时，故此处应用tend的第三人称单数形式。10unless考查条件状语从句。unless意为“除非”，引导条件状语从句。四、1.C题

57、中的关键信息“in winter, get close to nature and enjoy water sports”与C项中的“a variety of winter sports, live wildlife exhibits, nature walks”相匹配。2A题中的关键信息“looking for treasure”与A项中的“go on a nature treasure hunt”相匹配。3D题中的关键信息“on weekends, materials to use when building a setting for the train set”与D项中的“Saturd

58、ay afternoon, the model train displays”相匹配。4B题中的关键信息“primary school, 20 students, graduate this year, without charge”与B项中的“free tours, groups of 15 to 30 persons, students in Grade Three and above”相匹配。5E题中的关键信息“countryside, learn about driving a horse and carriage”与E项中的“Fosterfields Living Historica

59、l Farm, wool cutting and carriage driving”相匹配。Section Using Language课时作业一、1.electrical2.circumstance3.pollution4advocate5.refreshes6.contribution二、1.put up with2.making a commitment to3so/as long as4.on behalf of5.and so on三、1.C由文章第一句话可知，小时候作者的祖母给他讲了很多故事。在此作者是想和读者“分享”其中的一个。share sth.with sb.和某人分享某物。

60、2B由后文的“couldnt keep his friends”可知他不能留住朋友，所以应该是感觉很“悲伤”。3A他的父亲没有正面回答他的问题，只是让他钉木桩在地上。四个选项中只有A项符合句意。4C由第六段的“when you hurt someones feeling.”可知选C。5B由常识可知篱笆是竖在地上的。且根据下文“Look at the _9_ in the ground”可知选B。6C此处应是与前文形成对比，伤害到朋友的时候就敲进一个木桩，说了一些让朋友愉悦的话的时候就拿掉一个木桩。7A句意：这个男孩也这么做了。根据句意可知选A。8A由前文可知他每天都拿掉一些木桩，最后终于把木桩

61、全部都拿掉了。remove拿掉，移动；repeat复述；replant移植；recycle循环利用。9C拿掉木桩后地上会显露出钉木桩留下的“洞”。10C由文章第二段的“he couldnt keep his friends”可知选C。11D伤害朋友之后无论做什么都无法“弥补”。make up弥补。12A被伤害后“心中”总会留有伤痕，故选A。13B句意：从那以后，小男孩就很留心自己的言行，再也不伤害他的朋友。由句意可知选B。14B这则故事蕴含了很深的人生哲理，故“教会”了作者很多。15D时刻注意自己的言行是为了不“失去”朋友，故选D。四、1.B细节理解题。根据第一段最后一句可知选B。2D细节理解

62、题。根据第三段第一句可知选D。3A推理判断题。根据第四段可知，随着失业率上升，财政援助部希望能看到更多像Jacobs一家这样积极筹措的家庭，说明面临类似问题的家庭在增加。4C推理判断题。根据第六段可知，因为学费上涨，学业贷款也增加，中产阶级也感受到了压力，从而必须全力以赴，才能供得起孩子上学。故C项正确。5D细节理解题。由文章最后一句可知选D。其他三项如政府支付学生的奖学金、辞退一些财政援助部人员、吊销一些公司从事学业贷款业务的资格在文中均未提及。五、参考范文：Dear_friends,_Attention,_please!_I_have_something_important_to_tell

63、_you. A film named The Karate Kid 2010 will be shown at the New Century Theatre tomorrow afternoon.It begins at 5 pm and lasts for about two hours and twenty minutes.The ticket price is 30 yuan each, 60% off for groups of students only.Those who want to see it please hand in the money before supper so that the Students Union of our school can go and buy the tickets this evening.I think you will enjoy it very much.词汇巧记1exist; existence2.educator; educated3opposed; opposing 4.tendency; tends5.steady6polluted; pollutionmitment8.grew; growth