大学英语全新版第三册第三单元答案.ppt

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1、1.Thetextis,roughlyspeaking,organizedinthreeparts-anopening,abodyandaconclusion.Theparagraphnumbersofeachparthavebeengiventoyou.Nowwritedowntheirmainideas.TextOrganizationPartsparagraphsMainIdeasPartTwoParas1-3PartTwoPar4-15PartThreePa16-19InAmerica,theeraofleavingthefrontdooronthelatc

2、hhasdrawntoaclose.Anewatmosphereoffearanddistrustcreepsintoeveryaspectofdailylife.Asaresult,securitydevices,invariedforms,areputtouse.Bylockingourfearsout,webecomeprisonersofourownmaking.2.Inthetexttheauthoruseslotsoffactstosupporthiscentralpointofview:Americaisdeterioratingfrom“theLan

3、doftheFree”into“themostinsecurenation”.Couldyoufindanymoresupportingfactsthantheonethathasbeenlistedbelow,andwritethemdown?Doorsarenotleftunlockedeitherincitiesorinruralareas.2)__________________________________________________________________________________3)_________________________

4、__________________________________________________________4)______________________________________________________________________________________________________________________________Dead-boltlocks,securitychains,electronicalarmsystemsandtripwiresarewidelyinuse.Suburbanfamilieshaves

5、teelbarsbuiltinslidingglassdoors.Smallnoticeswarningagainstburglaryarecommonlyseenpastedonthewindowsofthemostpleasanthomes.5)____________________________________________________________________________________6)___________________________________________________________________________

6、_________7)________________________________________________________________________________________________________________________________8)_______________________________________________________________________________________Accesscardsarerequiredofthosewhoworkwithmediumtolarge-size

7、companies.Suburbanhousewiveswearrapewhistlesontheirkeychains.AirportsecurityuseselectronicX-rayequipmenttoguardagainstterrorism.Businessmenemploynewmachineslinkeduptotheirtelephonetohelpdeterminewhetherthecalleristellingliesornot.I.2.Fillinthegapswithwordsorphraseschosefromthebox.Cha