【Expertsestimatethatoneoutofeveryfivefishsoldwascaughtillegally.Itthreatens(威胁)foodsecurityandhurtstheenvironment.Officialsareusingnewobservationaltechnologytofightillegalfishing.“Thankyoufortakingthetim】

　　Expertsestimatethatoneoutofeveryfivefishsoldwascaughtillegally.Itthreatens(威胁)foodsecurityandhurtstheenvironment.Officialsareusingnewobservationaltechnologytofightillegalfishing.

　　“ThankyoufortakingthetimetojoinushereinHarwell(UK)intheOperationsCentertowhatwecall‘ProjectEyesontheSeas.’”saysTonyLongwholeadstheEndingIllegalFishingprogramforPewCharitableTrusts.ThegroupcreatedProjectEyesontheSeas.Largethree-dimensionalimagesofaglobecanbeseenonavideo.

　　“ItlooksdifferentfromwhatyoumightexpectbecausethisglobeonlyshowsyoutheboatsthatarecomingintothissystemfromaliveautomatedinformationsystemorAIS.”

　　Thescreenshows120000fishingboatshaveAIS.Theyarerequiredtohavethetechnology.Butthosewhoarefishingillegallyoftenturnitoff.Thetechnologydoesnottellobserverswhenthathappens.ProjectEyesontheSeascombinessatelliteinformationwithsecretgovernmentrecordsoneveryship’spastactivities.

　　Mr.Longsaysthatpermitsresearcherstounderstandexactlywherethefishingboatsareoperating.ThePewteamgivestheinformationitgatherstoportofficialstohelpthemdecideiftheyshouldtakeactionagainstaship.TonyLongsayshewouldliketobeabletoprovideportofficialsallovertheworldwithclearlists.Theywouldinformtheofficialsaboutshipstoinspectshipstobarfromentranceandshipstopermitentrancefortradeactivities.

　　ThePacificislandnationofPalauwasanearlyuserofthetechnology.Palauhasoneoftherichestfishingareasintheworld.Lastyearitannouncedaplantobancommercialfishingina630000squarekilometerarea.K.B.SakumaisaspecialadvisertothepresidentofPalau.HesaysPalauistryingtodealwitharecentincreaseinillegalunsupervised（无人监管的）andunreportedfishing.

　　“Andit’scometoaheadinthelastyearortwo.Fromoursouthernislandintheeveningyoucanseeonthehorizonjustdottedlightsoftheseillegalfishermenthatcomeintoourwatersfilltheirshipswithourfishourresourcesourfoodsecurity...”

　　21.Accordingtotheestimationwhatisthepercentageofillegalfishing?

　　A.1% B.5% C.23.5% D.20%

　　22.Theinformationiscoll