全新版大学英语第四册unite2课件

1、Unit 2 Smart carsIn this Unit ,you willPre-reading taskText-analysisWords and expressionsClass assignmentsWriting skillsHomeworkpre-reading taskDiscussing: If I can afford a car, I will not buy one becauseListen to the passage again and say what changes will make driving:- wheels/power?- seating arr

2、angement?- road system? - drivers?IIThe characteristic of expository writing:Facts and opinions are often interwoven (交织) in expository writing , and we must learn to distinguish them . Please tell sentences that express opinions from factual statements in Part I . (分辨事实和看法)Another ability finding o

3、ut definitions : Provide definitions for “blind spot” and “global positioning system”, “atomic clock”, “automated driver .”Text analysisAnswers :1.A blind spot must be a portion of the road behind a car, which a driver can not observe from the rear-view mirror2. Global positioning system is a servic

4、e linked with a satellite. They make it possible to determine your location on the earth to within about a hundred feet.3. Atomic clock vibrates at a precise frequency, according to the laws of the quantum theory.4. An automated driver is a plan calls for computers, aided by thousands of three-inch

5、magnetic spikes buried in the highway, to take complete control of the driving of cars on heavily trafficked roads. Cars will be bunched into groups of ten to twelve vehicles, only six feet apart, traveling in unison, and controlled by computer2. eliminateremove, esp. sb./sth, that is not wanted or

6、needed; get rid of vt.消除，消灭，排除Examples:1.It is difficult for our government to eliminate poverty.2. 他可能被取消了参加游泳比赛的资格。Collocation: eliminate sth.; eliminate sth. from sth.e.g. If you think you may be allergic to a food or drink, eliminate it from your diet.3. In the airin the earths atmosphere; uncer

7、tain, not yet decided空气顺空中;悬而未决Examples:There is a peculiar smell in the air.Hundreds of birds suddenly rose in the air.Our plans are still in the air.4. start upExample:Peter looked in his mirror and started up the engine.5. alertExamples:Why werent the police alerted?Collocation: alert sb.; alert

8、sb. to sthThe manager alerted the staff to the crisis facing the company.The teacher alerted the students to the danger of swimming in the river.warn sb. that there may be danger, trouble, etcvt. 使警觉，使警惕，使注意6.prototype:the first model or design of sth. from which other forms are copied or developed

9、原型，样品Examples:1.Manufacturers usually begin by building the prototype of a new model before they set up a factory to make up the cars.2.Toyota released its small-car prototype in 1947.7.monotonousdull and never changing or varying; constant and boring adj.单调的;一成不变的Examples: In the 1970s we had a mon

10、otonous diet of rice and vegetables.My job in the car factory is monotonous.8.hazard:a thing that can be dangerous or cause damage; a danger or risk 危险Examples 1.The research has confirmed that tobacco smoke presents a hazard to health.2. Smog developed into a major health hazard by the 20th century

11、.Structure:They make it possible: Pay attention to the structure v + it + adj. + to do (see Structure Exercise 2) (通过)这些卫星有可能确定to within about a hundred feet: double prepositions (see Structure Exercise 1)以小于约一百英尺的误差10.vibrate:(cause sth. to) move rapidly and continuously backwards and forwards; sha

12、ke颤动，摇摆Examples1.每当有重型卡车经过时，整个房子都在摇晃。2.Sounds are produced by objects that vibrate in the air at a rate that the ear can detect. 12.correlate:have a mutual relationship or connection, in which one thing affects or depends on another (followed by with / to) 使。相互关联Examples：1.Medical evidence shows tha

13、t smoking and lung cancer are correlated. 2.把理论和实践联系起来。13.application:the action or an instance of putting a theory, discovery, etc. to practical use n.应用;运用Examples: Multimedia applications usually require more computer memory and processing power.新发明的应用给这个公司带来了很大的利润。applicant/apply for/applyto be

14、ready to take action at any moment做好准备随时做Example:The automobile company is poised to launch its new advertising campaign.It is reported that U.S. is poised to attack Iraq.14 be poised to (do):15.mount: fix sth. in position for use, display or study; put sth. into place on a support 将固定住,将置于架上Example

15、s1.These devices are mounted in the vehicle to alert driver to an impending hazard.2.He mounted the bicycle and rode away.3.He mounted the stairs slowly.control 控制Examples: The new manager didnt know how to take control of his company. The government has taken control of all the newspapers.16.take c

16、ontrol of :17.bunch:group together (both active and passive) 使成一束 Examples:1.They bunched together to allow others to squeeze into the crowded elevator.2.The runners were still bunched together on the track.A bunch of rose19. as well:too They laid down a health club incorporating a gym, sauna and st

17、eam room.也,又Examples: She wanted to produce the play and to direct it as well.Ellens face paled with disappointment; perhaps with anger as well.20. expansion:the process of becoming greater in size, extent or importance n.扩大;扩展;发展Examples: Under heat the metal undergoes considerable expansion.His bo

18、ok is an expansion of the play he wrote before.这些是扩大我们学校建筑的计划。Word formationClipped wordskilo_memo_gym_lib_doc_vet_prep_auto_Blends medicate_email_comsat_newscast_autopilot_eurodollar_brunch_telecast_Writing skillsHow to write a resumeTips:Capitalize the headings to make them stand out on the page.Condense information, use phrases and clauses rather than complete sentences.List your most recent education and employment experience first and then work backward so the employer can quickly ga