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Unit1SampleiBTQuestion(Track1-01)Allright,arewereadytobegin?Good.Lastclassweleftoffwith,um,anintroductionconcerningthedolphin’sabilitytocommunicatewithoneanother.Asyouknow,dolphinsareoftenregardedasoneofthemostintelligentanimalspeciesonearth,butitisharedtosayjusthowintelligentdolphinsare.Thisisbecauseof,um,thismammal’sabilitytocommunicatebyusingavarietyofclicks,whistlesandothervocalizations.Nowlet’stalkaboutthedifferentwaysdolphinscommunicate.OK,thefirstofthesecommunicationmethodsincludesaformofecholocation;wheredolphinslocateanobjectbyproducingsoundsandthenlisteningfortheecho.Itworkslikethis:um,broadbandclickingsoundsareemittedinafocusedbeamtowardsthefrontofatarget.Astheobjectofinterestisapproached,theechogrows,um,louder;andthedolphinsadjustbydecreasingtheintensityoftheinter-clickintervalandtheiremittedsounds.BasicDrillAListentopartofaconversation,andanswerthequestion.(1.A2.C3.A)1.Whatistheconversationmostlyabout?(Track1-02)Script:W1:Wow,it’sgettinglate.We’vebeenstudyinginthelibraryforalongtimenow.W2:You’reright.It’salreadydarkoutside.I’mkindofnervousaboutwalkingbacktothedorminthedark.W1:Oh,wellthat’snotaproblem.Wecancallcampussecuritytowalkusback.Hey,theymightevendriveus.W2:Really?Ididn’tknowtheydidthat.W1:Yeah,it’sareallygreatservice.Hey,withthetuitionwe’repaying,weshouldgetwalkedbackinthedark.W2:Hey,I’mokaywithpayingtuitionifitmeanssafercampuses.Thiscampussecuritythingisgreat!Listenagain,andcirclethewordsorphrasesyouhear.librarylongtimecampussecuritybacktotheroombooksdarkoutsidecrimegettinglatebacktothedormstreetlightssafetytuition2.Whatistheconversationmostlyabout?(Track1-03)Script:W:Allright,thefirstthingyouneedtodoisregisterforyourmealplan.M:WheredoIdothat?W:There’sanofficeatthemaindininghalloncampus.Takeyourstudentidentificationcardandacreditcard.Themealplansareexpensive!M:butwhatifIreallydon’teatthatmuchfood?W:Thatdoesn’tmatter.Allfirstyearstudentsarerequiredtogetaplanforatleasttwomealsaday.Soitwouldbeareallygoodideaifyouateatthedininghallforatleasttwomealsaday.Thatway,youwouldactuallygetyourmoney’sworth.M:Sohowmuchisthismealplangoingtocostme?W:I’mnotsurebecauseitchangesfromsemestertosemester.They’llhaveapricingguideat1thedininghalloffice.Listeningagain,andcirclethewordsorphrasesyouhear.makingplansmealplanpriceguiderequiredregistermaindininghallexpensivetwomealsadayexpensegettingfulltwomealsperdaypricingguide3.Whatistheconversationmostlyabout?(Track4)M:Ohman,I’mrunningsolate!IhavetobeattheBiologyBuildinginfiveminutes!W:Oh,wellyouhadbetterhurrythen.Youcan’ttaketheusualpathfromhereyouknow.Youhavetodetour.M:Detour?WhywouldIdothat?W:Don’tyouremember?They’rebuildinganewwingontheChemistryBuilding.Thepathisgoingtobeclosedduetoconstructionallsemester.YouhavetogoaroundtheastronomylabtogettotheBiologyBuilding.M:Ohthat’sright!Icompletelyforgot.Okay,Ireallyhavetorunthen.I’llseeyoulater!Listeningagain,andcirclethewordsorphrasesyouhear.runningsolatedetourclosedduetoconstructiondeterminerunningsoslowChemistryBuildingclosedowingtoconstructionBiologyBuildingGeologyBuildingaroundtheastronomylabB.Listentopartofalecture,andanswerthequestion.(1.C2.D3.B)1.Whichnaturaldisasterdoesthispassagedetail?(Track1-05)Theearthhasmanynaturaldisasters.Naturaldisastersareactsofnaturethatcreatehavocamongtheplanet’screatures.Onekindofnaturaldisasterisatsunami.Atsunamiisagi...