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1、學(xué)術(shù)英語(社科)_Unit 1含答案學(xué)術(shù)英語學(xué)術(shù)英語 社科社科Academic English for Social Sciences學(xué)術(shù)英語(社科)_Unit 1含答案學(xué)術(shù)英語(社科)_Unit 1含答案Unit 1 Decision-Making Behaviors in Economic Activities Lead-in Text A Text B Listening Speaking WritingUnit Contents學(xué)術(shù)英語(社科)_Unit 1含答案 Lead-in Reading critically: questions for discussionUnit 1 De

2、cision-Making Behaviors in Economic Activities學(xué)術(shù)英語(社科)_Unit 1含答案Lead-inReading critically: questions for discussionReading critically:Every text is written on a purpose, some are supposed to make you believe. It is important to learn to read critically to get the point. One way of training critical

3、reading is to ask yourself the following questions: l Do you agree with the author? Unit 1 Decision-Making Behaviors in Economic Activitiesl What is the author assuming I will agree with?l What is the author trying to prove?學(xué)術(shù)英語(社科)_Unit 1含答案Lead-inReading critically: questions for discussionl Does

4、the author adequately defend their argument? l What kind of proof do they use?Unit 1 Decision-Making Behaviors in Economic Activitiesl Is there something they leave out that you would put in? l Does putting it in hurt their argument? 學(xué)術(shù)英語(社科)_Unit 1含答案Lead-inReading critically: questions for discuss

5、ionDiscuss the following questions:l How do you make the decision that you take this course?l What do you consider when you make this decision?Unit 1 Decision-Making Behaviors in Economic Activities學(xué)術(shù)英語(社科)_Unit 1含答案 Text A Key terms Critical reading and thinking Difficult sentences English language

6、 for academic purpose Specialized vocabulary Collocations Formal and informal English Signpost languageUnit 1 Decision-Making Behaviors in Economic Activities學(xué)術(shù)英語(社科)_Unit 1含答案Text AKey termsl rational people: 理性人理性人 Those people who systematically and purposefully do the best they can to achieve th

7、eir objectives, given the available opportunities.Unit 1 Decision-Making Behaviors in Economic Activitiesl marginal change: 邊際變化邊際變化 small incremental adjustments to a plan of actionl marginal benefit: 邊際效益邊際效益 the additional benefit from an increase in an activity學(xué)術(shù)英語(社科)_Unit 1含答案Text AKey termsUn

8、it 1 Decision-Making Behaviors in Economic Activitiesl marginal cost: 邊際成本邊際成本 the additional cost from an increase in an activityl marginal decision-making: 邊際決策邊際決策 the additional cost from an increase in an activityl incentive: 激勵(lì)激勵(lì) something that induces a person to act學(xué)術(shù)英語(社科)_Unit 1含答案How Peop

9、le Make DecisionsEconomists explanation about decision making: There are rules behind peoples decision-making behaviors.Text ACritical reading and thinkingUnit 1 Decision-Making Behaviors in Economic Activities學(xué)術(shù)英語(社科)_Unit 1含答案l Rational people think at the margin.Text ACritical reading and thinkin

10、gUnit 1 Decision-Making Behaviors in Economic ActivitiesExample 1: standby ticketsWhat a rational airline can do?Situation: Flying a 200-seat plane across the U.S. costs the airline $100,000.Cost of each seat: $500 (Thats to say, never sell a ticket for less than $500.)Suppose: A plane is about to t

11、ake off with 10 empty seats. A standby passenger will pay $300 for a seat.Question: should the airline sell the ticket?學(xué)術(shù)英語(社科)_Unit 1含答案Answer: Yes.Reason: If the plane has empty seat, the cost of adding one more passenger is tiny. Here the marginal cost is merely the cost of something to eat, like

12、 peanuts, coco, etc.Conclusion: As long as the standby passenger pays more than the marginal cost, selling the ticket is profitable.Text ACritical reading and thinkingUnit 1 Decision-Making Behaviors in Economic Activities學(xué)術(shù)英語(社科)_Unit 1含答案Example 2: water vs. diamondWhy is water so cheap, while dia

13、monds are so expensive?waterdiamondNecessary for survivalThe marginal benefit of an extra cup is small because water is plentiful.Unnecessary for survivalThe marginal benefit of an extra diamond is large because diamonds are rare.Unit 1 Decision-Making Behaviors in Economic ActivitiesText ACritical

14、reading and thinking學(xué)術(shù)英語(社科)_Unit 1含答案Text ACritical reading and thinkingUnit 1 Decision-Making Behaviors in Economic ActivitiesConclusion: Rational people think at the margin. (They make decisions by comparing costs and benefits.) Are you a rational person?學(xué)術(shù)英語(社科)_Unit 1含答案Example 1: the price of

15、an appleHow people respond to incentives?When the price rises: It provides an incentive for buyers to consume less; It provides an incentive for sellers to produce more.Text ACritical reading and thinkingUnit 1 Decision-Making Behaviors in Economic Activitiesl Rational people respond to incentives.學(xué)

16、術(shù)英語(社科)_Unit 1含答案 Example 2: a tax on gasoline How people respond to incentives? Encourage people to drive small, more fuel-efficient cars; carpool take public transportation; live closer to where they work; drive hybrid cars; drive electric cars.Text ACritical reading and thinkingUnit 1 Decision-Ma

17、king Behaviors in Economic Activities學(xué)術(shù)英語(社科)_Unit 1含答案 Example 3: a seat belt law American laws require seat belts as standard equipment on new cars.How a seat belt law alters a drivers cost-benefit calculation (Peltzmans analysis):Seat belts reduce the likelihood of injury or death make accidents

18、less costly drive faster and less carefully a large number of accidentsText ACritical reading and thinkingUnit 1 Decision-Making Behaviors in Economic Activities學(xué)術(shù)英語(社科)_Unit 1含答案Result: These laws produce both fewer deaths per accident and more accidents. Conclusion 1: The net result is little chan

19、ge in the number of driver deaths and an increase in the number of pedestrian deaths.Conclusion 2: When analyzing any policy, consider both the direct effects and less obvious indirect effects.If the policy changes incentives, it will cause people to alter their behavior.Text ACritical reading and t

20、hinkingUnit 1 Decision-Making Behaviors in Economic Activities學(xué)術(shù)英語(社科)_Unit 1含答案 Rational people know that when they make a decision, it is often not a yes-or-no choice, but requires deliberate consideration of the pros and cons. Text ADifficult sentencesUnit 1 Decision-Making Behaviors in Economic

21、Activitiesl Rational people know that decisions in life are rarely black and white but usually involve shades of gray. (Para. 2) 學(xué)術(shù)英語(社科)_Unit 1含答案 The most important theory in economic study concerns itself with incentives. Other theories are not as important. “The rest is commentary” is a phrase u

22、sed in American English to mean “the rest is trivial or less important”. Text ADifficult sentencesUnit 1 Decision-Making Behaviors in Economic Activitiesl “People respond to incentives. The rest is commentary.” (Para. 6) 學(xué)術(shù)英語(社科)_Unit 1含答案 At first, this discussion of incentives and seat belts might

23、 seem like random talk not supported by evidence. Text ADifficult sentencesUnit 1 Decision-Making Behaviors in Economic Activitiesl At first, this discussion of incentives and seat belts might seem like idle speculation. (Para. 12)學(xué)術(shù)英語(社科)_Unit 1含答案Specialized vocabularyl rational peoplel marginal d

24、ecision-makingl marginal changel marginal benefitl marginal costl net resultText AEnglish language for academic purposeUnit 1 Decision-Making Behaviors in Economic Activities學(xué)術(shù)英語(社科)_Unit 1含答案CollocationsText AEnglish language for academic purposeUnit 1 Decision-Making Behaviors in Economic Activiti

25、esl achieve the high level of satisfactionl maximize profitsl achieve objectivesl be black and whitel roll roundl blow offl fly standbyl puzzling economic phenomenal take an actionl allocate scarce resourcesl end up with l unintended consequencesl idle speculation學(xué)術(shù)英語(社科)_Unit 1含答案Formal and informa

26、l Englishl See Page 9, and do Task 3.Text AEnglish language for academic purposeUnit 1 Decision-Making Behaviors in Economic Activities學(xué)術(shù)英語(社科)_Unit 1含答案Signpost languagel Show connections between sentences and paragraphs. See Page 9, and do Task 2 Text AEnglish language for academic purposeUnit 1 D

27、ecision-Making Behaviors in Economic Activities學(xué)術(shù)英語(社科)_Unit 1含答案Signpost languageText AEnglish language for academic purposeUnit 1 Decision-Making Behaviors in Economic Activitiesl Signal important parts of academic writing, such as structure, writers position, arguments, conclusionReporting someon

28、es view: Some people/researcher(s) maintain(s) / argue(s) / assert(s) / claim(s) / point(s) out學(xué)術(shù)英語(社科)_Unit 1含答案Signpost languageDisagreeing with someones view: I disagree with that The view is open to doubt / not necessarily true / highly debatable One of the main argument against is thatText AEng

29、lish language for academic purposeUnit 1 Decision-Making Behaviors in Economic Activities學(xué)術(shù)英語(社科)_Unit 1含答案Signpost languagePointing out a gap in research: However little information These studies have emphasized, as opposed to Although considerable research has focused on, less attention has been g

30、iven toText AEnglish language for academic purposeUnit 1 Decision-Making Behaviors in Economic Activities學(xué)術(shù)英語(社科)_Unit 1含答案Signpost languageAgreeing with someones view: I agree with when he writes that X is certainly correct in saying that Another point in favour of is A further argument supporting

31、isNB: In the following units of study, more examples will be given. Text AEnglish language for academic purposeUnit 1 Decision-Making Behaviors in Economic Activities學(xué)術(shù)英語(社科)_Unit 1含答案Task 1 The tree diagram below illustrates the main points of the text. Fill in the blanks according to the text.Text

32、 ASuggested answersUnit 1 Decision-Making Behaviors in Economic ActivitiesDecision-making behaviors in economic activitiesThinking at the margincomparing marginal _ and marginal _ Responding to _Example 1standby tickets Critical reading and thinkingExample 2_ vs. _Example 1the price of an appleExamp

33、le 2a tax on _Example 3_costbenefitswaterdiamondsincentivesgasolineseat belts law學(xué)術(shù)英語(社科)_Unit 1含答案Task 2 Decide whether the following statements are true (T) or false (F).Text ASuggested answersUnit 1 Decision-Making Behaviors in Economic ActivitiesCritical reading and thinkingF_ 1 When rational pe

34、ople make decisions in life, they are very certain of the choice._ 2 At the time of examination, students have to decide how to use all their time studying._ 3 Marginal changes are small gradual changes of the present plan of action._ 4 The example of the standby fly is told to show how cost can be

35、ignored._ 5 Diamonds are more expensive than water because people are more attracted to them.FFFT學(xué)術(shù)英語(社科)_Unit 1含答案Task 2 Decide whether the following statements are true (T) or false (F).Text ASuggested answersUnit 1 Decision-Making Behaviors in Economic ActivitiesCritical reading and thinkingT_ 6

36、The quotation of one economist “People respond to incentives. The rest is commentary.” is given to show the importance of incentives._ 7 The example of the apple shows how food prices vary according to market needs._ 8 The gasoline tax has an effect on peoples choice of cars._ 9 When the seat belt i

37、s made compulsory, people drive more carefully._ 10 Policymakers need to take into consideration the less obvious indirect effects of a policy.FFFT學(xué)術(shù)英語(社科)_Unit 1含答案Task 1 Specialized vocabularyText ASuggested answersUnit 1 Decision-Making Behaviors in Economic ActivitiesLanguage building-up1 Match

38、the words in Column A with those in Column B and then translate the phrases you have got into Chinese.Column A Column B1 marginala resource2 scarceb result3 maximizec change4 netd satisfaction5 level ofe people6 rationalf profit學(xué)術(shù)英語(社科)_Unit 1含答案Task 1 Specialized vocabularyText ASuggested answersUn

39、it 1 Decision-Making Behaviors in Economic ActivitiesLanguage building-up1 Match the words in Column A with those in Column B and then translate the phrases you have got into Chinese.1 _2 _3 _4 _5 _6 _marginal change邊際變化邊際變化scarce resources稀缺資源稀缺資源maximize profits最大化利潤(rùn)最大化利潤(rùn)net result凈結(jié)果凈結(jié)果level of s

40、atisfaction滿意度滿意度rational people理性人理性人學(xué)術(shù)英語(社科)_Unit 1含答案Task 1 Specialized vocabularyText ASuggested answersUnit 1 Decision-Making Behaviors in Economic ActivitiesLanguage building-up2 Translate the following sentences into English, using some of the phrases above.1 我們明年的目標(biāo)是獲得利潤(rùn)最大化。我們明年的目標(biāo)是獲得利潤(rùn)最大化。

41、_2 時(shí)間是一種稀缺資源，因此如果工人失業(yè)，他們的時(shí)間就浪時(shí)間是一種稀缺資源，因此如果工人失業(yè)，他們的時(shí)間就浪 費(fèi)了。費(fèi)了。 _ _We aim to maximize profits over the next year.Time is a scarce resource, so if workers are unemployed their time is wasted.學(xué)術(shù)英語(社科)_Unit 1含答案Task 1 Specialized vocabularyText ASuggested answersUnit 1 Decision-Making Behaviors in Econo

42、mic ActivitiesLanguage building-up2 Translate the following sentences into English, using some of the phrases above.3 理性人有非理性的想法嗎？理性人有非理性的想法嗎？ _4 滿意度調(diào)查結(jié)果表明游客對(duì)某些服務(wù)不滿意。滿意度調(diào)查結(jié)果表明游客對(duì)某些服務(wù)不滿意。 _ _Do rational people have irrational thoughts?Research into satisfaction level has found that tourists are not s

43、atisfied with some of the services.學(xué)術(shù)英語(社科)_Unit 1含答案Task 2 Signpost languageText ASuggested answersUnit 1 Decision-Making Behaviors in Economic ActivitiesLanguage building-up1 Match the signpost language from Text A with the purpose each of them serves. Signpost languagePurposes 1 as we will seea e

44、xplanation2 at the same timeb time sequence3 by contrastc giving examples4 for exampled comparison and contrast5 in other wordse coherence6 in this case1 _ 2 _ 3 _ 4 _ 5 _ 6 _ebdcae學(xué)術(shù)英語(社科)_Unit 1含答案Task 2 Signpost languageText ASuggested answersUnit 1 Decision-Making Behaviors in Economic Activitie

45、sLanguage building-up2 Complete the following sentences using the signpost language listed above.1 He is not well-known for his respect for factual accuracy, _, he was lying.2 Offices can easily become more environmentally-friendly by, _, using recycled paper.3 We dont like the situation. But _, we

46、have to deal with this problem.in other wordsfor exampleat the same time學(xué)術(shù)英語(社科)_Unit 1含答案Task 2 Signpost languageText ASuggested answersUnit 1 Decision-Making Behaviors in Economic ActivitiesLanguage building-up2 Complete the following sentences using the signpost language listed above.4 Their econ

47、omy has expanded enormously, while ours, _, has declined.5 _, in this chapter there is no general formula for the solution to this question.6 The whole team dont want to lose him. _, he needs to realize that company regulations must be obeyed.by contrastAs we will seeIn this case學(xué)術(shù)英語(社科)_Unit 1含答案Ta

48、sk 3 Formal EnglishText ASuggested answersUnit 1 Decision-Making Behaviors in Economic ActivitiesLanguage building-up1 Replace the underlined words in the following sentences with the more formal ones from Text A.1 As you study economics, you will come across firms that decide how many workers to hi

49、re and how much of their product to manufacture and sell to maximize profits. Key: _2 The reason is that a persons willingness to pay for any good is based on the marginal benefit that an extra unit of the good would produce. Key: _encounteryield學(xué)術(shù)英語(社科)_Unit 1含答案Task 3 Formal EnglishText ASuggested

50、 answersUnit 1 Decision-Making Behaviors in Economic ActivitiesLanguage building-up1 Replace the underlined words in the following sentences with the more formal ones from Text A.3 An incentive is something that persuades a person to act, such as the prospect of a punishment or a reward. Key: _4 Man

51、y policies change the costs or benefits that people face and, therefore, change their behavior. Key: _5 For example, consider public policy about auto safety. Key: _inducesalterregarding學(xué)術(shù)英語(社科)_Unit 1含答案Task 3 Formal EnglishText ASuggested answersUnit 1 Decision-Making Behaviors in Economic Activit

52、iesLanguage building-up1 Replace the underlined words in the following sentences with the more formal ones from Text A.6 The decline in safe driving has a clear, bad impact on pedestrians. Key: _7 At first, this discussion of incentives and seat belts might seem like an idle guess. Key: _8 When a pe

53、rson wears a seat belt, the likelihood of surviving an auto accident rises. Key: _adversespeculationprobability學(xué)術(shù)英語(社科)_Unit 1含答案Task 3 Formal EnglishText ASuggested answersUnit 1 Decision-Making Behaviors in Economic ActivitiesLanguage building-up2 Complete the sentences with some of the answers yo

54、u have got in the above exercise.1 Stress can have a(n) _ effect on peoples health.2 This doesnt _ the fact that what you did was wrong.3 He warned us that we might _ a lot of opposition at the very beginning.4 Some believe that surgery could _ a heart attack.5 He has very little to say _ the new EU

55、 regulations.6 Knowing about the past doesnt necessarily _ solutions to current problems.adversealterencounterinduceregardingyield學(xué)術(shù)英語(社科)_Unit 1含答案 Text B Critical reading Difficult sentences English language for academic purposeUnit 1 Decision-Making Behaviors in Economic Activities學(xué)術(shù)英語(社科)_Unit 1

56、含答案New Airport Landing Fees Delayedl See Page 14, and do Task 1 and Task 2 Text BCritical readingUnit 1 Decision-Making Behaviors in Economic Activities A new federal policy: allowing airports to charge higher landing fees during peak periods Reason for formulating this policy: encourage airlines to

57、 arrange flights more evenly throughout the day, thus reducing flight delays學(xué)術(shù)英語(社科)_Unit 1含答案Text BCritical readingUnit 1 Decision-Making Behaviors in Economic ActivitiesCostsBenefitsAirportsAirlines學(xué)術(shù)英語(社科)_Unit 1含答案Text BCritical readingUnit 1 Decision-Making Behaviors in Economic ActivitiesYour

58、reflections on this policy:It will work: It wont work:學(xué)術(shù)英語(社科)_Unit 1含答案l , which last month called the proposal “congestion pricing disguised as an airport fee”. (Para. 13)Text BDifficult sentencesUnit 1 Decision-Making Behaviors in Economic Activities , which claimed that the proposal was actually

59、 charging fee for congestion rather than for the airport. 學(xué)術(shù)英語(社科)_Unit 1含答案l “Because the central policy issue at stake here influencing airline market decisions through airport pricing is inherently complex and historically has been controversial, we believe that it merits additional time to fully

60、 develop comments reflecting the views of industry stakeholders,” (Para. 14) Text BDifficult sentencesUnit 1 Decision-Making Behaviors in Economic Activities “The central policy issue which is how to influence airline market decisions through airport pricing has always been complex and controversial

61、. Hence it is necessary to allow more time for the parties involved in the industry to phrase their opinions that most clearly express their views.”學(xué)術(shù)英語(社科)_Unit 1含答案Collocations l reduce / address congestionl charge higher landing feesl peak periodsl reduce delaysl take effectl implement measuresTe

62、xt BEnglish language for academic purposeUnit 1 Decision-Making Behaviors in Economic Activities學(xué)術(shù)英語(社科)_Unit 1含答案Collocations l traffic volumel on-time arrival ratel be supportive ofl accommodate requestsl clear up ambiguityl go into effectText BEnglish language for academic purposeUnit 1 Decision-

63、Making Behaviors in Economic Activities學(xué)術(shù)英語(社科)_Unit 1含答案 Listening Prediction strategies Listening tasksUnit 1 Decision-Making Behaviors in Economic Activities學(xué)術(shù)英語(社科)_Unit 1含答案Prediction strategiesl Prediction Instead of relying on the actual words or sounds, you use background information and com

64、mon world knowledge to develop expectations about what you will hear and then confirm or reject them as you listen. ListeningUnit 1 Decision-Making Behaviors in Economic Activities學(xué)術(shù)英語(社科)_Unit 1含答案l Prediction strategiesListeningUnit 1 Decision-Making Behaviors in Economic ActivitiesPrediction stra

65、tegies Use visual information including titles on the board, on slides, or in a PowerPoint presentation. Think about what you already know about the topic. Ask yourself questions that you think the speaker might answer. Listen for specific phrases.學(xué)術(shù)英語(社科)_Unit 1含答案Task 1 Before listening, look at t

66、he first sentence of the lecture you are going to hear and predict what will follow. Write down your expectation.ListeningUnit 1 Decision-Making Behaviors in Economic ActivitiesBusinesses are structured in different ways to meet different needs.The simplest form of business is called an individual or sole proprietorship. The proprietor owns all of the property of the business and is responsible for everything.Listening tasks學(xué)術(shù)英語(社科)_Unit 1含答案Task 2 Listen to the lecture again and complete the fo