(第二版)新标准大学英语综合教程Boo2Unit6课后答案

(第二版)新标准大学英语综合教程Boo2Unit6课后答案(第二版)新标准大学英语综合教程Boo2Unit6课后答案(第二版)新标准大学英语综合教程Boo2Unit6课后答案(第二版)新标准大学英语综合教程Boo2Unit6课后答案编制仅供参考审核批准生效日期地址：电话：传真:邮编:Unit6ActiveReading(1)21a2b3a4b5d6a7b8a31misfortune2neutral3frequency4mathematical5extend6vulnerable7subsequent8encountered41bumped2overlapped3adjacent4situated5cluster6duration51a2b3b4b5b7b8b9a61b2e3d4c5aActiveReading(2)31c2c3d4c41Aliens2Superman3EmpireoftheAnts4StarTrek:TheVoyageHome5TheDaytheEarthCaughtFire51.outdated2.shifted;namely3depressing;posal61revolve2inhabitants3generate4baffling5hurl6reckless71a2a3b4b5a82,4,5,6,891.Sometimes,butitisalsointendedforentertainment.2.Peoplerealizehowimportantscienceisandarefrustratedathowcomplexitis.Goodcommunicatorsandsimplifierslikepopularsciencebooksarewelcomed.3.Yes,aswell-likedasitisinEurope,ifnotmore.Peoplelikereadingpopularsciencebooksandparentsencouragetheirkidstoreadsuchbooks.Languageinuse1Thereisapossibilitythattheinsurancewon’tpayyouforthisaccident.Whathappenstoyouisn’tmyresponsibility.I’mnotsureofthesuitabilityofthisprogramforyou.Thecalculation’scomplexityslowedmedown.Naturalcuriosityisacharacteristicofmanygreatthinkers.Iwassurprisedatthestupidityofherbehavior.21hands-freephone2alcohol-freebeer3sugar-freesweetener4traffic-freearea5lead-freepetrol31Whenitcomestoevaluatingstudents’work,therearealwayssomeverydifficultchoicestobemade.2Whenitcomestotheexamplesofbadluckyouspokeabout,manyoftheseseemtoberatherunimportant.3Whenitcomestohumanpsychology,weseethatthisisverycloselyrelatedtophysicalhealthandwell-being.4Whenitcomestolearninganinstrumentlikethepianoorviolin,alotofpatienceandtheabilitytopersevereareessential.5Whenitcomestonon-scientificstudiesofgoodandbadluck,thereareallsortsoffantastictheories.53D打印技术在20世纪80年代首次出现在美国。3D打印是按照数字模型打造任何形状的三维固体物件的过程。这是一个叠加过程，把材料层层覆盖，铸造出不同的形状。这项技术可用于产品的模型设计和分布式制造，能应用于珠宝、制鞋、工业设计、建筑、工程与施工、汽车制造、航空航天、医疗行业、地理信息系统、土木工程和其他诸多领域。2015年，美国硅谷的一家创业机构碳3D公司开发了一项3D打印技术，能让物体从液体介质中源源不断地生成出来，而不是像过去25年里那样，靠层层叠加塑造物体。这项技术为3D打印提供了一种全新的方法。未来学家认为，3D打印标志着第三次工业革命的开始。6.InAugust2008,China’sfirsthigh-speedrailway,theBeijing-TianjinIntercityRailway,wasopened,usheringChinaintoaneraofhigh-speedrailway.Inrecentyears,inadditiontoachievingaseriesofmajorinnovationsandbreakthroughsinkeytechnologies,Chinahasalsodevelopedaworld-classhigh-speedrailwaytechnologysystemwithindependentintellectualproperty.Withitsadvancedtechnology,cost-effectivenessandsuccessfuloperatingexperiencesinhigh-speedrailway,Chinaiswitnessinganincreasingexportofitshigh-speedrailwaytechnologiesandrelatedproductstomanycountr