wthere’ssomuchmoreweneedtounderstand----butitcertainlyopensthewaytomoreresearch.” Ithasbeendiscoveredthatasharksensespressureusinghaircellsinitsbalancesystem. AttheBiminiSharkLabintheBahamas,MissSmithfixedhi-techsensorstosharkstorecordpressureandtemperature,whilealsotrackingthemusingGPS(GlobalPositioningSystem)technology. InAberdeen,shewasabletostudytheeffectsoftidal(潮汐的)andtemperaturechangesondogfish----noneofwhichwereharmed.Shealsousedaspeciallabwhichcanmimic(模拟)oceanicpressurechangescausedbyweatherfronts. pleteherstudyandgraduatelaterthisyear.Shesaysshewillbelookingforajobwhichwillgiveherthechancetoenrichherexperienceofsharkresearch.44.Thepassageismostprobablytakenfrom_____. A.ashort-storycollection B.apopularsciencemagazine C.aresearchpaper D.apersonaldiary