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ID:23943033
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页数:3页
时间:2018-11-11
《endangered whales in the inland waters of washington 阅读理解答案》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、EndangeredwhalesintheinlandwatersofWashington阅读理解答案 EndangeredwhalesintheinlandwatersofWashingtonStatewillnowhaveindividualhealthrecords,whichresearchershopewillhelpthemidentifythreatstothewhales’health. Therearetypically84whaleslivinginPugetSoundfromspringtofall.Thesewerelistedasendangeredin2005a
2、ndarebothgeneticallyandbehaviorallydifferentfromotherkillerwhales.Theyusedistinctcallstocommunicateandeatsalmons(鲑鱼)ratherthanothermarinemammals.Becauseofpollution,lackofprey(捕食)anddisturbancefromboats,theirnumbershavevariedinthepastfewdecades. Thewhalesarealreadythoroughlytrackedandrecorded.Resear
3、cherstrailthemandkeeptrackoftheirmeasurements,wasteandexhaled(呼出的)breath. Individualhealthrecords,whichcombinealloftheexistingresearchonthewhales,willbeaddedtothisprogram.OnTuesday,duringameetinginSeattlemorethantwodozenwildlifeexpertsdiscussedhowthiswouldbecarriedout.Therecordswillincludedataonbeh
4、avior,reproductivesuccess,skindiseasesandmore.Theywillbeusedtomonitorindividualhealthaswellasoveralltrends.“Thegoalistoreallystartgettingalotofdataandpullthemtogetherinawaythatpermitseasieranalysis.”JoeGaydossaid.“Finally,therealbenefitofanyhealthrecordistohelpmakemanagementdecisions.” Therecordswi
5、llhelpidentifythreatstothewhales’healthandprovideinsightintohowtoreduceorfixthem.“Itwillbereallypowerfultoruleoutthingsthataren’timportantandfocusinonwhat’sreallyimportant,”Barresaid. Aninitialdatabasewillbelaunchedthissummerusinginformationonsex,ageandgenderasastartingpoint.Additionalinformationwi
6、llbeaddednextyear.Somedetails,suchaswhowillmanagethedataandwhowillhaveaccesstoit,havenotyetbeenworkedout. 28.Whendon’tthewhalesliveinPugetSound? A.Inspring.B.Insummer. C.Inautumn.D.Inwinter. 29.HowdothewhaleslivinginPugetSoundexchangeinformation? A.Byusingdifferentcalls.B.Byeatingsalmons. C.By
7、turningtheirbodies.D.Bychangingtheirbreath. 30.WhydidthewildlifeexpertsholdthemeetinginSeattle? A.Tofindouthowtoaddindividualhealthrecords. B.Todiscusshowtokeepawayfromskindiseases. C.Toknowhowtoi
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