学术英语(社科)_Unit 2含答案.pptx

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1、2 2EconomistJust as you cannot become a mathematician,psychologist,or lawyer overnight,learning to think like an economist will take time.However,what is the economists way of thinking?What does it mean to think like an economist?By learning this unit,you will find the answers.第1页/共75页Unit 2Economic

2、sLead-inText A Text BText CListening SpeakingWritingUnit Contents第2页/共75页Lead-in Who studies economics?Unit 2Economics第3页/共75页Lead-inJust as you cannot become a mathematician overnight,study economics and learn to think like an economist will take time.However who studies economics?Task 1 Listen to

3、a talk“Who studies economics?”and complete the sentences.Unit 2Economics第4页/共75页Lead-inUnit 2Economics1 Economics can seem _ at first,but the field is fundamentally very _.2 Mick Jagger once studied at _.3 When asked in 2005 why The Rolling Stones were going on tour again,Mick Jagger replied,“_.”abs

4、tractpracticalthe London School of EconomicsSupply and demand第5页/共75页Lead-inUnit 2EconomicsTask 2 Listen to the talk again and complete the following table.NameProfessionRonald ReganMichael KinsleySteve BallmerMick JaggerFormer President of the United States JournalistChief Executive Officer,Microso

5、ft Singer for the Rolling Stones 第6页/共75页Text ACritical reading and thinking Difficult sentences English language for academic purpose Specialized vocabulary Collocations Formal and informal English Signpost languageUnit 2Economics第7页/共75页Text ACritical reading and thinking of Text AUnit 2EconomicsT

6、ext AnalysisThesis:Economics is a science.The economist works as a scientist.第8页/共75页Text ACritical reading and thinking of Text AUnit 2Economics1 Science and scientists have its own language,e.g.math,psychology,law.Economics and economists are the same,e.g.supply,demand,elasticity,consumer surplus.

7、2 Science and scientists use scientific method,e.g.observation,devise theories,collect data,analyze,test,shown with the example of Isaac Newton.Economics and economists are the same;they use observation and theory,e.g.a theory of inflation.第9页/共75页Text ACritical reading and thinking of Text AUnit 2E

8、conomicsNatural sciences or Social sciences?Economics is a social science.第10页/共75页Text ADifficult sentencesUnit 2Economicsl“The whole of science is nothing more than the refinement of everyday thinking.”(Para.4)“Science is all just about improving everyday thinking.”第11页/共75页Text ADifficult sentenc

9、esUnit 2Economicsl Yet,despite this lack of realism indeed,because of this lack of realism studying these models is useful for learning how the human body works.(Para.13)Yet,although the models are not exactly the same as real bodies actually just because they are not that realistic they are useful

10、to help people learn how the human body works.第12页/共75页Text ADifficult sentencesUnit 2Economicsl These models are stylized,and they omit many details.(Para.13)These models are artificial rather than realistic,and they dont take many details into consideration.第13页/共75页Text ADifficult sentencesUnit 2

11、Economicsl Yet,despite this lack of realism indeed,because of this lack of realism studying these models is useful for learning how the human body works.(Para.13)Yet,although the models are not exactly the same as real bodies actually just because they are not that realistic they are useful to help

12、people learn how the human body works.第14页/共75页Specialized vocabulary l elasticity _l comparative advantage _l consumer surplus _l deadweight loss _l high inflation_l quantity of money _ l long-run effects of the policy _Text AEnglish language for academic purposeUnit 2Economics（需求等的）弹性（需求等的）弹性比较优势比

13、较优势消费过剩消费过剩净损失净损失高通胀高通胀货币量货币量长期政策效应长期政策效应第15页/共75页Specialized vocabulary l 经济政策制定者 _l 货币流通量 _l 供需供需 _l 货币政策 _Text AEnglish language for academic purposeUnit 2Economicseconomic policymaker amount of currency in circulation supply and demandmonetary policy第16页/共75页CollocationsText AEnglish language fo

14、r academic purposel address the subjectl devise/verify/refute theoriesl collect/analyze/generate datal the interplay between observation and theoryl doubt the validity of the theoryl face an obstaclel make do withl find a substitute for l simplify the complex world/realityl in circulationl omit deta

15、ilsUnit 2Economics第17页/共75页Signpost languagecause and effect:clue words to indicate cause and effect:because therefore the reason consequently lead to,result from as a result is due to as a consequenceText AEnglish language for academic purposeUnit 2Economics第18页/共75页Signpost languagel Signpost lang

16、uage to introduce the topic:The main issues addressed in this paper are This study critically examines The objective of this paper is to.The purpose of this investigation is to.The aim of this paper is to.This paper reports on the results obtained Text AEnglish language for academic purposeUnit 2Eco

17、nomics第19页/共75页Signpost languagel Signpost language to introduce the topic:This study was designed to.This paper argues that.The rest of this paper is organized in the following way.This paper is structured as follows.The remainder of this paper is divided into five sections.This paper begins by It

18、will then go on to Finally,Text AEnglish language for academic purposeUnit 2Economics第20页/共75页Formal and informal EnglishText AEnglish language for academic purposeUnit 2Economics1 Whenever Id visited there before,Id ended up feeling that it would be futile if I tried to do anything more.Change the

19、following sentences into a more formal style of writing.Every previous visit had left me with a sense of the futility of further action on my part.第21页/共75页Formal and informal EnglishText AEnglish language for academic purposeUnit 2Economics2 The cities in Switzerland had once been peaceful,but they

20、 changed when people became violent.Change the following sentences into a more formal style of writing.Violence changed the face of once peaceful Swiss cities.第22页/共75页Formal and informal EnglishText AEnglish language for academic purposeUnit 2Economics3 Because the technology has improved its less

21、risky than it used to be when you install them at the same time,and it doesnt cost so much either.Change the following sentences into a more formal style of writing.Improvements in technology have reduced the risks and high costs associated with simultaneous installation.第23页/共75页Formal and informal

22、 EnglishText AEnglish language for academic purposeUnit 2Economics4 The people in the colony rejoiced when it was promised that things would change in this way.Change the following sentences into a more formal style of writing.Opinion in the colony greeted the promised change with enthusiasm.第24页/共7

23、5页The tree diagram below shows how the author illustrates his points.Fill in the blanks according to the text.Text ASuggested answersUnit 2EconomicsThe economist works as a(n)_Thinking like an economistCritical reading and thinkingUsing scientific methods,such as:scientistmake observations,devise th

24、eories,collect data,and analyze them.Using different _to answer different questions.assumptions Building simplified _to examinevarious economic issues.models 第25页/共75页Answer the following questions.Text ASuggested answersUnit 2EconomicsCritical reading and thinking1 What kind of rhetoric device does

25、 the author use in the first two paragraphs?Analogy.2 What is the topic sentence of Paragraph 3?Economists try to address their subject with a scientists objectivity.3 Why does the author quote Albert Einstein?To support his idea about the essence of science.4 Why is Newtons theory still taught in u

26、ndergraduate physics courses around the world?Because Newtons theory is so successful at explaining observation.第26页/共75页Answer the following questions.Text ASuggested answersUnit 2EconomicsCritical reading and thinking5 What kind of obstacles do economists face when they use theory and observation

27、like other scientists?It is often difficult and impossible to conduct experiments.6 How do economists find a substitute for laboratory experiments?They pay close attention to the natural experiments offered by history.7 For what reason do economists make assumptions?Because assumptions can simplify

28、the complex world and make it easier to understand.8 What do economic models consist of?They consist of diagrams and equations.9 What do all models in physics,biology,and economics share in common?They simplify reality to improve our understanding of it.第27页/共75页Language building-upText ASuggested a

29、nswersUnit 2EconomicsTask 1 Specialized vocabulary2Complete the following sentences with the correct form of the terms in the parative advantage consumer surplusdeadweight loss high inflationmonetary policy supply and demand 1 Taxes have _ because they cause buyers to consume less and sellers to pro

30、duce less.deadweight loss2 The tools _ of allow you to analyze many of the most important events and policies that shape the economy.supply and demand3 _ is a good measure of economic well-being if policymakers want to respect the preferences of buyers.Consumer surplus第28页/共75页Language building-upTe

31、xt ASuggested answersUnit 2EconomicsTask 1 Specialized vocabulary2Complete the following sentences with the correct form of the terms in the parative advantage consumer surplusdeadweight loss high inflationmonetary policy supply and demand 4 In the 1970s,when the world experienced a relatively _,opi

32、nion polls often placed inflation as the most important issue facing the nation.high inflation5 It is the role of a central bank an institution designed to oversee the banking system,to carry out _,and regulate the quantity of money in the economy.monetary policy第29页/共75页Language building-upText ASu

33、ggested answersUnit 2EconomicsTask 1 Specialized vocabulary2Complete the following sentences with the correct form of the terms in the parative advantage consumer surplusdeadweight loss high inflationmonetary policy supply and demand comparative advantage6 Trade can benefit everyone in society becau

34、se it allows people to specialize in activities in which they have a _.第30页/共75页Language building-upText ASuggested answersUnit 2EconomicsTask 1 Signpost languageComplete the following sentences with the correct form of the words and expressions in the above box.There may be more than one correct an

35、swer.1 Karlins novels _ his experience in the Vietnam War.resulted from2 Months of secret talks with the rebels finally _ the release of the hostages.resulted in3 Animals have died _ of coming into contact with this chemical.as a consequence4 _ we didnt consider her for the job was that she didnt ha

36、ve enough experience.The reason第31页/共75页Language building-upText ASuggested answersUnit 2EconomicsTask 1 Signpost languageComplete the following sentences with the correct form of the words and expressions in the above box.There may be more than one correct answer.Consequently7 _ of last weeks black

37、outs was a large power plant suddenly going offline in Northern California.5 Most computer users have never received any formal keyboard training._ their keyboard skills are inefficient.6 Jewish weddings are both religious and civil._ two official applications for marriage are necessary.ThereforeThe

38、 cause8 Between 1990 and 1992,there were more than 1,000 mergers in that industry all of which _ job losses.led to第32页/共75页Language building-upText ASuggested answersUnit 2EconomicsTask 3 Formal EnglishReplace the underlined words in the following sentences with the ones that are more daily-life.1 A

39、t first,this new language may seem needlessly arcane.secretKey:2 Economists try to address their subject with a scientists objectivity.Key:study3 They approach the study of the economy in much the same way as a physicist approaches the study of matter and a biologist approaches the study of life.Key

40、:deal with4 They devise theories,collect data,and then analyze these data in an attempt to verify or refute their theories.Key:invent第33页/共75页Language building-upText ASuggested answersUnit 2EconomicsTask 3 Formal EnglishReplace the underlined words in the following sentences with the ones that are

41、more daily-life.5 To beginners,it can seem odd to claim that economics is a science.strange Key:6 Most people are not accustomed to looking at society through the eyes of a scientist.Key:used7 This observation motivated Newton to develop a theory of gravity that applies not only to an apple falling

42、to the earth but to any two objects in the universe.Key:drove第34页/共75页Language building-upText ASuggested answersUnit 2EconomicsTask 3 Formal EnglishReplace the underlined words in the following sentences with the ones that are more daily-life.8 By contrast,economists studying inflation are not allo

43、wed to manipulate a nations monetary policy simply to generate useful data.controlKey:10 And this opportunity persists long after the wartime increase in oil prices is over.Key:continues to exist9 For consumers of oil and oil products,such an event depresses living standards.Key:reduces第35页/共75页Text

44、 B Lead in Key terms Critical reading Difficult sentences English language for academic purposeUnit 2Economics第36页/共75页Text BReading critically:questions for discussionUnit 2EconomicsDiscuss the following questions:Life is regarded as a game.Do you agree?Why or why not?Lead-in 第37页/共75页Text BKey ter

45、msUnit 2Economicsl Game theory:the modeling of economic decisions by games whose outcome depends on the decisions taken by two or more agents,each having to make decisions without information on what choices the others are making.第38页/共75页Text BKey termsUnit 2Economicsl Competitive strategies(竞争策略竞争

46、策略):unbeatable strategies used in the context of the fact that everyone else is also looking for them.E.g.cooperation,or everybody playing the same way;behave differently from one another第39页/共75页Text BKey termsUnit 2Economicsl Evolutionarily stable strategies(ESS)(进化稳定策略进化稳定策略):a strategy which,if

47、adopted by a population of players,cannot be invaded by any alternative strategy that is initially rare.An ESS is an equilibrium refinement of the Nash equilibrium.第40页/共75页Text BKey termsUnit 2Economicsl Rational human choice:people will adjust their behavior in order to maximize their gains.l Nash

48、 equilibrium:纳什均衡纳什均衡a solution concept of a game involving two or more players,in which each player is assumed to know the equilibrium strategies of the other players,also no player has anything to gain by changing only his own strategy unilaterally.第41页/共75页Text BCritical reading and thinkingUnit

49、2EconomicsComparison between the two schools of researchersAnimal behavioristsEconomistsEvolutionarily stable strategies Implication：the way the strategies are played has been hardwired into the participants by the processes of natural selectionNash equilibriumImplication:adjust their behavior to ma

50、ximize their gains第42页/共75页Text BCritical reading and thinkingUnit 2EconomicsDr Kurzban&Dr.Housers study1.They call the economists assumption into question.2.Their new assumption:it may be fruitful to work with the idea that human behavior,can sometimes be governed by evolutionarily stable strategie