2017年哈尔滨市高考模拟试题（三）英语第二部分阅读理解（共两节,满分40分）第一节（共15小题；每小题2分，满分30分）阅读下列短文，从每题所给的A、B、C和D四个选项中，选出最佳选项。AGuidedogsenjoytheirworkverymuch,andtheygetalotofsatisfactionfromajobwelldone,butthereisnoroomfortypicaldogfunduringtheworkday.Games,treatsandpraisedistractthedogfromhelpingitshandlernavigate(指引方向)thecourse.Evenwhenthehandlerdoesn’tneedassistance,aguidedogonthejobistrainedtoignoredistractionsandkeepstill.Thisisbecauseaguidedogmustbeabletocometohandler’sworkplaceorbeinpublicplaceswithoutcreatingadisturbance(干扰).Whenyouseeaguidedogonthejob,itisextremelyimportantthatyourecognizethatitisatwork.Pettingortalkingtothedogspreadsitsconcentration,whichweakensthehandler’sabilitytogetaroundinhisorhersurroundings.Peopleareveryimpressedwithguidedogsandsowehaveanaturalinclination（倾向）topraisethem,butthebestthingyoucandotohelpaguidedogistoleaveitalonesothatitcanpayattentiontoitssurroundingsandmaintainitsfocusonitshandler.Guidingisverycomplicated,anditrequiresadog’sundividedattention.Whenaguidedoggetshomeattheendoftheday,however,itwillplayandsoakuppraisejustlikeanordinarypet.Guidedogsmakethedifferencebetweenworkandplaybasedontheirleadharness（牵狗用的皮带）：Whentheharnessison,theymuststaycompletelyfocused----whenitcomesoff,it’splaytime.Guidedogsworkveryhardeveryday,buttheyleadextremelyhappylives,fulloflotsofattentionandstimulation.Workingasaguidedogrequiresgoodphysicalandmentalshape,soguidedogstypicallyretirejustbeforetheyenteroldage.Retirementisusuallyatage8or10;butsomeworkforalittlelonger,andsomeguidedogsretireearlierifthey’rehavingtroublewiththework.21.Whatdoyouthinkisthetypicaljobofaguidedog?Helpthepolicementosearchforthemurderer.Helptheblindorweak-sightedpeoplegetaround.Helpthedoctortosavetheinjuredpeople.Helptheownertowatchtheirhouse.22.Whatdoesthewriterwanttotellthereadersthroughthepassage?Guidedogsaresohelpfulthatweshouldmakefriendswiththem.Guidedogsaredifferentfromotherdogsandtheyhavesomespecialtalents.Guidedogs’lifestyleandjobsituation.Guidedogs’trainedwaybytheirhandle