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? ?阅读下面这篇短文，短文后有2项测试任务：(1)第23～26题要求从所给的6个选项中为第2—5段每段选择1个正确的小标题；(2)第27～30题要求从所给的6个选项中选择4个正确选项，分别完成每...
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? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第1～4段每段选
? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为规定段每段选择1
? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第1～4段每段选
? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第1～4段每段选
? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第2～5段每段选
? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第2～5段每段选
? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第2～5段每段选
? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第1～4段每段选
? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第1～4段每段选
? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第1～4段每段选
? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第2～5段每段选
? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第1～4段每段选
? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第2～5段每段选
? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为规定段每段选择1
? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第2—5段每段选
? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第2～5段每段选
? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第1～4段每段选
? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第2～5段每段选
? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第1～4段每段选
? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第2～5段每段选
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Medicalfacilitiesarebeing{{U}}upgraded{{/U}}.
TheUnitedStates In1782【51】theUnitedStateswonitsindependencethebaldeaglewaschosen【52】thenationalbirdofthenewcountry.Americanleaderswantedtheeagletobea【53】oftheircountrybecauseit’’sabirdofstrengthandcourage.TheychosethebaldeaglebecauseitwasfoundalloverNorthAmericaandonlyinNorthAmerica. Butalittleover200years【54】thebaldeaglehadalmostdisappearedfromthecountryIn1972therewereonly3000baldeaglesintheentireUnitedStates.Thereasonforthebirds【55】populationwaspollutionespeciallypollutionofriversbypesticides.Pesticidesarechemicals【56】tokillinsectsandotheranimalsthatattackanddestroycrops. 【57】rainoftenwashespesticidesintorivers.Pesticidespollutetheriversandpoisonthefish.Eagleseat【58】andthepoison【59】theireggs.Theeggshaveverythinshellsanddonothatch. Eagles【60】onlytwoorthreeeggsayear.Becausemanyoftheeggsdidnot【61】andproducemoreeagles【62】eaglesquickly【63】smaller. TodaytheAmericanGovernmentandtheAmericanpeoplearetryingtoprotectthebaldeagle.Thenumberofbaldeagles【64】Itnowappears【65】theAmericannationalbirdwillsurviveandremainasymbolofstrengthandcourage.
Youhavetobepatientifyouwantto{{U}}sustain{{/U}}yourposition.
Somethingsweknowaboutlanguage Manythingsaboutlanguageareamysteryandmanywillalwaysremainso.Butsomethingswedoknow. Firstweknowthatallhumanbeingshavealanguageofsomesort.Thereisnoraceofmenanywhereonearthsobackwardthatithasnolanguagenosetofspeechsoundsbywhichthepeoplecommunicatewithonemother.Furthermoreinhistoricaltimestherehasneverbeenaraceofmenwithoutalanguage. Secondthereisnosuchthingasaprimitivelanguage.Therearemanypeoplewhoseculturesareundevelopedwhoareaswesayuncivilizedbutthelanguagestheyspeakarenotprimitive.Inallknown1anguageswecanseecomplexitiesthatmusthavebeentensofthousandsofyearsindeveloping. Thishasnotalwaysbeenwellunderstood;indeedthedirectcontraryhasoftenbeenstated.PopularideasofthelanguageoftheAmericanIndianswillillustrate.ManypeoplehavesupposedthattheIndianscommunicatedinaveryprimitivesystemofnoises.Studyhasprovedthistobenonsense.ThereareorwerehundredsofAmericanIndianlanguagesandallofthemturnouttobeverycomplicatedandveryold.TheyarecertainlydifferentfromthelanguagesthatmostofusarefamiliarwithbuttheyarenomoreprimitivefivethanEnglishandGreek. Athirdthingweknowaboutlanguageisthatalllanguagesareperfectlyadequate.Thatiseachoneisaperfectmeansofexpressingthecultureofthepeoplewhospeakthelanguage. Finallyweknowthatlanguagechanges.Itisnaturalandnormalforlanguagetochange;theonlylanguageswhichdonotchangearethedeadones.Thisiseasytounderstandifwelookbackwardintime.Changegoesoninallaspectsoflanguage.Grammaticalfeatureschangeasdospeechsoundsandchangesinvocabularyaresometimesveryextensiveandmayoccurveryrapidly.Vocabularyistheleaststablepartofanylanguage. race/n.种族 primitive/adj.原始的 uncivilized/adj.不开化的落后的 complexity/n.复杂性复杂现象 nonsense/n.胡说没有根据的话 vocabulary/n.词汇 Accordingtotheauthorlanguagechangesaremostlikelytooccurin______.
{{*HTML*}}阅读下面这篇短文短文后有2项测试任务1第23—26题要求从所给的6个选项中为第1—4段每段选择1个正确的小标题2第27～30题要求从所给的6个选项中选择4个正确选项分别完成每个句子 {{B}} EarthAngels{{/B}}??1?JoyingBresciawas8 yearsoldwhenshenoticedthatcigarettebutts烟头werelitteringherhometown beachinlsleofPalmsSouthCarolina.Whenshelearnedthatittakesfive yearsfortheremainsofacigarettetodisintegrateshedecidedtotake action.JoyinglaunchedaNoBuffsontheBeachcampaign.Sheraisedmoneyand awarenessabouttheneedtokeepthebeachesclean.Withthehelpofothers Joyingalsoboughtorreceiveddonationsofgallon-sizeplasticice-cream buckets.Thebucketswerefilledwithsandandplacedatallpublic-access areasofthebeach.Thebucketsallowedpeopletodisposeoftheircigarettes beforehittingthebeach.TwoyearslaterJoyingsaysthebucketsarefulland thebeachisnearlyfreeofcigarettedebris残片.??2 ?PeoplewholiveinorvisitSteamboatSpringsColoradohaveCarter Dunhamtothankforanewstatewildliferefugethatpreserves20acresof marshlandandmany.speciesofwildlife.Carterandotherstudentswrotea managementplanfortheareaaroundtheYampaRiver.Theplanwaspartofa classprojectwhenCarterwasafreshmanatSteamboatSpringsHighSchool. WorkingwiththeColoradoDivisionofWildlifeCarterandhisclassmatesmapped theareaandspeciesofanimalslivingthere.Theyalsomadedecisionsabout amongotherthingswherefencesandparkingareasshouldbebuilt.? ?3?BarbaraBrownandherfriendscollectoil.Itstartedasaproject fortheir4HClubafteroneofthegirlsnoticedherfatherusingmotoroilto killweedsontheirfarminVictoriaTexas.Theydidsomeresearchand discoveredthatoilcancontaminategroundwater-arealdangerinruralareas wherepeopleliveoffthewaterontheirland.Thegirlsresearchedwaysto recycleoilandworkedwithalocaloil-recyclingcompanyontheissue.Nowthe Don’tBeCrudeprogramrunsoil-collectionsites-tanksthatholdupto460 gallons-wherepeopleinthecommunitycandisposeoftheiroil.? ?4?Fiveyearsago11-year-oldRyanHreljacwasalittleboywitha bigdream:forallthepeopleinAfricatohavecleandrinkingwater.Hisdream beganinthefirstgradewhenhelearnedthatpeopleweredyingbecausethey didn’thavecleanwaterandthataslittleas$70couldbuildawell.We reallytakewaterforgrantedsaysRyanofKemptvilleOntarioinCanada. Inothercountriesyouhavetoplanforit.Ryanearnedthefirst$70by doingextrachores零工butwiththehelpofothershehassinceraised hundredsofthousandsofdollars.HiseffortsledtothestartoftheRyan’s WellFoundationwhichraisesmoneyforcleanwaterandhealth-relatedservices forpeopleinAfricancountriesanddevelopingcountries.Paragraph4______
Rockclimbingis{{U}}hazardous{{/U}}.
ViceVaccines Atfirstglancevicevaccineslookjustgreat.Theseinjectionspromisetoinactivatedrugssuchascocaineheroinandnicotineinthebloodstreambeforetheyreachthebrain.Withoutthehitpeoplejustwon’’tcomebackformore. It’’struethatthesevaccinesarestillbeingdevelopedsotheirfullrisksandbenefitsarenotyetclear.Butallthesignsarethatforpeoplewhoareindangerofoverdosingorforaddictswhowanttogetthemselvescleanbutneedsomehelptoovercometheircravingthevaccineswillbeimmenselyvaluable. Butlikemanynewtechnologiestheyalsobringdifficultchoices.Willconvictedcriminalswhostealtofeedtheirdrughabitbeallowedbackontothestreetiftheyagreetobevaccinatedforexample?Couldajudgeevencompelthesepeopletobevaccinated? Perhapsthemostcontroversialdebatethatvicevaccineshaveraisediswhethertheyshouldbegivenroutinelytochildrenlikepolioormeaslesvaccines.Thisis.notadistantworry.Nosoonertheyhavefoundthemselvessubmergedwithrequestsfromworriedparentswhowanttheirchildrenvaccinated.Isthisreallywhatwewantforfuturegenerations? Foranysocietythatvaluespersonalfreedomtheanswerhastobeno.Peoplehavetherighttochoosehowtobehavewhetherit’’sgoodorbadlegalornot.Letnotignorethefactthatmillionsofpeopletakeillegaldrugsforpleasurewithoutbecomingaddicted.Administeringvicevaccineswillmeanthatyoungstersarenolongerfreetomakesuchchoicesforthemselves.ItwouldbelikeareturntoPleasantvile. Andrememberwe’’rejusttalkingaboutillegaldrugshere.Onevaccineunderdevelopmentactsagainstnicotineandifitsnicotinetodaywhynotcaffeinetomorrow?Society’’sattitudestodrugschange.Fortyyearsagosmokingwasfine.AcenturyagoAmericanshipoperatorsweregivingstevedores码头工人cocainetospeeduptheirwork. Likeitornotpeoplehavebeentakingmind-alteringchemicalssincebeforerecordedhistory.Eachvaccineactsonlyagainstaspecificdrugandstoppingpeoplegettinghighononedrugwillsimplypushthemtotakeothers—asaddictionresearchershavealreadyfound.Sodrugusewon’’tgoawaythedrugswilljustchange. Opposingthewidespreaduseofvicevaccinesforyoungstersisnottoadvocatedruguse.Byallmeansletvicevaccinessparkarevolutionindetox解毒clinics.Butwhenitcomestohelpingchildrendealwithdrugsthewaytohelpthemisthrougheducationensuringthattheycanfollowlifestylesthatareincompatiblewithdrugtakingandgivingthemthetoolstospotrisksandmakeinformedchoices. Theproblemofdrugabuseisboundupwithmodernsocietyincomplexways.Simplechemicalsolutionsareunlikelytoprovidethewholeanswer. Routinevaccinationofthevicevaccinetochildrenwill______.
{{*HTML*}}阅读下面这篇短文短文后列出了7个句子请根据短文的内容对每个句子做出判断 {{B}} MotherNatureShowsHerStrength{{/B}}??Tornadoes 龙卷风andheavythunderstormsmovedacrosstheGreatLakesandintoTrumbull CountyonSaturdayevening.Thestormsweredramaticanddangerous.? ?GeorgeSnyderwasdrivingthefiretruckdownRoute88whenhefirst noticedthatafunnel漏斗状的cloudwasbehindhim.Istoppedthetruckand watchedthefunnelcloud.Itwasabout100feetoffthegroundandIsawitgo upanddownforawhile.ItwasmovingtowardBradleyRoadandthensuddenlyit disappearedSnydersaid.??Snyderonlysawoneofthefunnel cloudsthatpassedthroughnortheasternOhioonSaturday.InTrumbullCountya tornadoturnedtreesontotheirsides.Sometreesfellontohousesandcars. Othertreesfellintotelephoneandelectricalwiresastheywent down.??AmandaSymcheckwashavingapartywhenthestormbegan. Iknewsomethingwaswrongshesaid.Isawtheskygogreenandpink粉红色. Thenitsoundedlikeatrainrushingtowardthehouse.Istartedcryingandtold everyonetogotothebasementforprotection.??Thetornado causedalotofdamagetocarsandhousesinthearea.Itwilltakealongtime andmuchmoneytorepaireverything.Therewasalsoseriouswaterdamagefrom thethunderstorms.Theheavyrainsandhighwindcausedthepowertogooutin manyhomes.??Thestormscausedseriousfloodinginareasnearthe river.MorethanfourinchesofrainfellinpartsofTrumbullCounty.Theriver was.sohighthatthewaterranintostreetsandhouses.Manystreetshadtobe closedtocarsandtrucksbecauseofthehighwater.Thismadeitdifficultfor firetruckspolicecarsandotherrescuevehiclestohelppeoplewhowerein trouble.??Manypeoplewholiveneartheriverhadtoleavetheir homesfortheirownsafety.Somepeoplereportedfivefeetofwaterintheir homes.Localandstateofficialsopenedemergencysheltersforthepeoplewho wereevacuated撤走.TheRedCrossservedmealstothem.??This wasareallyintensestormsaidSnyder.Peoplewereafraid.MotherNaturecan befierce.Wewereluckythistime.Noonewas killed.Severalpeopleweremissingduringthestorm.
ViceVaccines Atfirstglancevicevaccineslookjustgreat.Theseinjectionspromisetoinactivatedrugssuchascocaineheroinandnicotineinthebloodstreambeforetheyreachthebrain.Withoutthehitpeoplejustwon’’tcomebackformore. It’’struethatthesevaccinesarestillbeingdevelopedsotheirfullrisksandbenefitsarenotyetclear.Butallthesignsarethatforpeoplewhoareindangerofoverdosingorforaddictswhowanttogetthemselvescleanbutneedsomehelptoovercometheircravingthevaccineswillbeimmenselyvaluable. Butlikemanynewtechnologiestheyalsobringdifficultchoices.Willconvictedcriminalswhostealtofeedtheirdrughabitbeallowedbackontothestreetiftheyagreetobevaccinatedforexample?Couldajudgeevencompelthesepeopletobevaccinated? Perhapsthemostcontroversialdebatethatvicevaccineshaveraisediswhethertheyshouldbegivenroutinelytochildrenlikepolioormeaslesvaccines.Thisis.notadistantworry.Nosoonertheyhavefoundthemselvessubmergedwithrequestsfromworriedparentswhowanttheirchildrenvaccinated.Isthisreallywhatwewantforfuturegenerations? Foranysocietythatvaluespersonalfreedomtheanswerhastobeno.Peoplehavetherighttochoosehowtobehavewhetherit’’sgoodorbadlegalornot.Letnotignorethefactthatmillionsofpeopletakeillegaldrugsforpleasurewithoutbecomingaddicted.Administeringvicevaccineswillmeanthatyoungstersarenolongerfreetomakesuchchoicesforthemselves.ItwouldbelikeareturntoPleasantvile. Andrememberwe’’rejusttalkingaboutillegaldrugshere.Onevaccineunderdevelopmentactsagainstnicotineandifitsnicotinetodaywhynotcaffeinetomorrow?Society’’sattitudestodrugschange.Fortyyearsagosmokingwasfine.AcenturyagoAmericanshipoperatorsweregivingstevedores码头工人cocainetospeeduptheirwork. Likeitornotpeoplehavebeentakingmind-alteringchemicalssincebeforerecordedhistory.Eachvaccineactsonlyagainstaspecificdrugandstoppingpeoplegettinghighononedrugwillsimplypushthemtotakeothers—asaddictionresearchershavealreadyfound.Sodrugusewon’’tgoawaythedrugswilljustchange. Opposingthewidespreaduseofvicevaccinesforyoungstersisnottoadvocatedruguse.Byallmeansletvicevaccinessparkarevolutionindetox解毒clinics.Butwhenitcomestohelpingchildrendealwithdrugsthewaytohelpthemisthrougheducationensuringthattheycanfollowlifestylesthatareincompatiblewithdrugtakingandgivingthemthetoolstospotrisksandmakeinformedchoices. Theproblemofdrugabuseisboundupwithmodernsocietyincomplexways.Simplechemicalsolutionsareunlikelytoprovidethewholeanswer. Accordingtothewriterthevicevaccine______.
{{*HTML*}}阅读下面这篇短文短文后列出了7个句子请根据短文的内容对每个句子做出判断 {{B}} MotherNatureShowsHerStrength{{/B}}??Tornadoes 龙卷风andheavythunderstormsmovedacrosstheGreatLakesandintoTrumbull CountyonSaturdayevening.Thestormsweredramaticanddangerous.? ?GeorgeSnyderwasdrivingthefiretruckdownRoute88whenhefirst noticedthatafunnel漏斗状的cloudwasbehindhim.Istoppedthetruckand watchedthefunnelcloud.Itwasabout100feetoffthegroundandIsawitgo upanddownforawhile.ItwasmovingtowardBradleyRoadandthensuddenlyit disappearedSnydersaid.??Snyderonlysawoneofthefunnel cloudsthatpassedthroughnortheasternOhioonSaturday.InTrumbullCountya tornadoturnedtreesontotheirsides.Sometreesfellontohousesandcars. Othertreesfellintotelephoneandelectricalwiresastheywent down.??AmandaSymcheckwashavingapartywhenthestormbegan. Iknewsomethingwaswrongshesaid.Isawtheskygogreenandpink粉红色. Thenitsoundedlikeatrainrushingtowardthehouse.Istartedcryingandtold everyonetogotothebasementforprotection.??Thetornado causedalotofdamagetocarsandhousesinthearea.Itwilltakealongtime andmuchmoneytorepaireverything.Therewasalsoseriouswaterdamagefrom thethunderstorms.Theheavyrainsandhighwindcausedthepowertogooutin manyhomes.??Thestormscausedseriousfloodinginareasnearthe river.MorethanfourinchesofrainfellinpartsofTrumbullCounty.Theriver was.sohighthatthewaterranintostreetsandhouses.Manystreetshadtobe closedtocarsandtrucksbecauseofthehighwater.Thismadeitdifficultfor firetruckspolicecarsandotherrescuevehiclestohelppeoplewhowerein trouble.??Manypeoplewholiveneartheriverhadtoleavetheir homesfortheirownsafety.Somepeoplereportedfivefeetofwaterintheir homes.Localandstateofficialsopenedemergencysheltersforthepeoplewho wereevacuated撤走.TheRedCrossservedmealstothem.??This wasareallyintensestormsaidSnyder.Peoplewereafraid.MotherNaturecan befierce.Wewereluckythistime.Noonewas killed.TheweatherwasniceinTrumbullCountyonSaturdayevening.
{{*HTML*}}阅读下面这篇短文短文后有2项测试任务1第23—26题要求从所给的6个选项中为第1—4段每段选择1个正确的小标题2第27～30题要求从所给的6个选项中选择4个正确选项分别完成每个句子 {{B}} EarthAngels{{/B}}??1?JoyingBresciawas8 yearsoldwhenshenoticedthatcigarettebutts烟头werelitteringherhometown beachinlsleofPalmsSouthCarolina.Whenshelearnedthatittakesfive yearsfortheremainsofacigarettetodisintegrateshedecidedtotake action.JoyinglaunchedaNoBuffsontheBeachcampaign.Sheraisedmoneyand awarenessabouttheneedtokeepthebeachesclean.Withthehelpofothers Joyingalsoboughtorreceiveddonationsofgallon-sizeplasticice-cream buckets.Thebucketswerefilledwithsandandplacedatallpublic-access areasofthebeach.Thebucketsallowedpeopletodisposeoftheircigarettes beforehittingthebeach.TwoyearslaterJoyingsaysthebucketsarefulland thebeachisnearlyfreeofcigarettedebris残片.??2 ?PeoplewholiveinorvisitSteamboatSpringsColoradohaveCarter Dunhamtothankforanewstatewildliferefugethatpreserves20acresof marshlandandmany.speciesofwildlife.Carterandotherstudentswrotea managementplanfortheareaaroundtheYampaRiver.Theplanwaspartofa classprojectwhenCarterwasafreshmanatSteamboatSpringsHighSchool. WorkingwiththeColoradoDivisionofWildlifeCarterandhisclassmatesmapped theareaandspeciesofanimalslivingthere.Theyalsomadedecisionsabout amongotherthingswherefencesandparkingareasshouldbebuilt.? ?3?BarbaraBrownandherfriendscollectoil.Itstartedasaproject fortheir4HClubafteroneofthegirlsnoticedherfatherusingmotoroilto killweedsontheirfarminVictoriaTexas.Theydidsomeresearchand discoveredthatoilcancontaminategroundwater-arealdangerinruralareas wherepeopleliveoffthewaterontheirland.Thegirlsresearchedwaysto recycleoilandworkedwithalocaloil-recyclingcompanyontheissue.Nowthe Don’tBeCrudeprogramrunsoil-collectionsites-tanksthatholdupto460 gallons-wherepeopleinthecommunitycandisposeoftheiroil.? ?4?Fiveyearsago11-year-oldRyanHreljacwasalittleboywitha bigdream:forallthepeopleinAfricatohavecleandrinkingwater.Hisdream beganinthefirstgradewhenhelearnedthatpeopleweredyingbecausethey didn’thavecleanwaterandthataslittleas$70couldbuildawell.We reallytakewaterforgrantedsaysRyanofKemptvilleOntarioinCanada. Inothercountriesyouhavetoplanforit.Ryanearnedthefirst$70by doingextrachores零工butwiththehelpofothershehassinceraised hundredsofthousandsofdollars.HiseffortsledtothestartoftheRyan’s WellFoundationwhichraisesmoneyforcleanwaterandhealth-relatedservices forpeopleinAfricancountriesanddevelopingcountries.Paragraph2______
Somethingsweknowaboutlanguage Manythingsaboutlanguageareamysteryandmanywillalwaysremainso.Butsomethingswedoknow. Firstweknowthatallhumanbeingshavealanguageofsomesort.Thereisnoraceofmenanywhereonearthsobackwardthatithasnolanguagenosetofspeechsoundsbywhichthepeoplecommunicatewithonemother.Furthermoreinhistoricaltimestherehasneverbeenaraceofmenwithoutalanguage. Secondthereisnosuchthingasaprimitivelanguage.Therearemanypeoplewhoseculturesareundevelopedwhoareaswesayuncivilizedbutthelanguagestheyspeakarenotprimitive.Inallknown1anguageswecanseecomplexitiesthatmusthavebeentensofthousandsofyearsindeveloping. Thishasnotalwaysbeenwellunderstood;indeedthedirectcontraryhasoftenbeenstated.PopularideasofthelanguageoftheAmericanIndianswillillustrate.ManypeoplehavesupposedthattheIndianscommunicatedinaveryprimitivesystemofnoises.Studyhasprovedthistobenonsense.ThereareorwerehundredsofAmericanIndianlanguagesandallofthemturnouttobeverycomplicatedandveryold.TheyarecertainlydifferentfromthelanguagesthatmostofusarefamiliarwithbuttheyarenomoreprimitivefivethanEnglishandGreek. Athirdthingweknowaboutlanguageisthatalllanguagesareperfectlyadequate.Thatiseachoneisaperfectmeansofexpressingthecultureofthepeoplewhospeakthelanguage. Finallyweknowthatlanguagechanges.Itisnaturalandnormalforlanguagetochange;theonlylanguageswhichdonotchangearethedeadones.Thisiseasytounderstandifwelookbackwardintime.Changegoesoninallaspectsoflanguage.Grammaticalfeatureschangeasdospeechsoundsandchangesinvocabularyaresometimesveryextensiveandmayoccurveryrapidly.Vocabularyistheleaststablepartofanylanguage. race/n.种族 primitive/adj.原始的 uncivilized/adj.不开化的落后的 complexity/n.复杂性复杂现象 nonsense/n.胡说没有根据的话 vocabulary/n.词汇 TheauthorhasusedAmericanIndianlanguagesasanexampletoshowthattheyare______.
TheUnitedStates In1782【51】theUnitedStateswonitsindependencethebaldeaglewaschosen【52】thenationalbirdofthenewcountry.Americanleaderswantedtheeagletobea【53】oftheircountrybecauseit’’sabirdofstrengthandcourage.TheychosethebaldeaglebecauseitwasfoundalloverNorthAmericaandonlyinNorthAmerica. Butalittleover200years【54】thebaldeaglehadalmostdisappearedfromthecountryIn1972therewereonly3000baldeaglesintheentireUnitedStates.Thereasonforthebirds【55】populationwaspollutionespeciallypollutionofriversbypesticides.Pesticidesarechemicals【56】tokillinsectsandotheranimalsthatattackanddestroycrops. 【57】rainoftenwashespesticidesintorivers.Pesticidespollutetheriversandpoisonthefish.Eagleseat【58】andthepoison【59】theireggs.Theeggshaveverythinshellsanddonothatch. Eagles【60】onlytwoorthreeeggsayear.Becausemanyoftheeggsdidnot【61】andproducemoreeagles【62】eaglesquickly【63】smaller. TodaytheAmericanGovernmentandtheAmericanpeoplearetryingtoprotectthebaldeagle.Thenumberofbaldeagles【64】Itnowappears【65】theAmericannationalbirdwillsurviveandremainasymbolofstrengthandcourage.
TheUnitedStates In1782【51】theUnitedStateswonitsindependencethebaldeaglewaschosen【52】thenationalbirdofthenewcountry.Americanleaderswantedtheeagletobea【53】oftheircountrybecauseit’’sabirdofstrengthandcourage.TheychosethebaldeaglebecauseitwasfoundalloverNorthAmericaandonlyinNorthAmerica. Butalittleover200years【54】thebaldeaglehadalmostdisappearedfromthecountryIn1972therewereonly3000baldeaglesintheentireUnitedStates.Thereasonforthebirds【55】populationwaspollutionespeciallypollutionofriversbypesticides.Pesticidesarechemicals【56】tokillinsectsandotheranimalsthatattackanddestroycrops. 【57】rainoftenwashespesticidesintorivers.Pesticidespollutetheriversandpoisonthefish.Eagleseat【58】andthepoison【59】theireggs.Theeggshaveverythinshellsanddonothatch. Eagles【60】onlytwoorthreeeggsayear.Becausemanyoftheeggsdidnot【61】andproducemoreeagles【62】eaglesquickly【63】smaller. TodaytheAmericanGovernmentandtheAmericanpeoplearetryingtoprotectthebaldeagle.Thenumberofbaldeagles【64】Itnowappears【65】theAmericannationalbirdwillsurviveandremainasymbolofstrengthandcourage.
Somethingsweknowaboutlanguage Manythingsaboutlanguageareamysteryandmanywillalwaysremainso.Butsomethingswedoknow. Firstweknowthatallhumanbeingshavealanguageofsomesort.Thereisnoraceofmenanywhereonearthsobackwardthatithasnolanguagenosetofspeechsoundsbywhichthepeoplecommunicatewithonemother.Furthermoreinhistoricaltimestherehasneverbeenaraceofmenwithoutalanguage. Secondthereisnosuchthingasaprimitivelanguage.Therearemanypeoplewhoseculturesareundevelopedwhoareaswesayuncivilizedbutthelanguagestheyspeakarenotprimitive.Inallknown1anguageswecanseecomplexitiesthatmusthavebeentensofthousandsofyearsindeveloping. Thishasnotalwaysbeenwellunderstood;indeedthedirectcontraryhasoftenbeenstated.PopularideasofthelanguageoftheAmericanIndianswillillustrate.ManypeoplehavesupposedthattheIndianscommunicatedinaveryprimitivesystemofnoises.Studyhasprovedthistobenonsense.ThereareorwerehundredsofAmericanIndianlanguagesandallofthemturnouttobeverycomplicatedandveryold.TheyarecertainlydifferentfromthelanguagesthatmostofusarefamiliarwithbuttheyarenomoreprimitivefivethanEnglishandGreek. Athirdthingweknowaboutlanguageisthatalllanguagesareperfectlyadequate.Thatiseachoneisaperfectmeansofexpressingthecultureofthepeoplewhospeakthelanguage. Finallyweknowthatlanguagechanges.Itisnaturalandnormalforlanguagetochange;theonlylanguageswhichdonotchangearethedeadones.Thisiseasytounderstandifwelookbackwardintime.Changegoesoninallaspectsoflanguage.Grammaticalfeatureschangeasdospeechsoundsandchangesinvocabularyaresometimesveryextensiveandmayoccurveryrapidly.Vocabularyistheleaststablepartofanylanguage. race/n.种族 primitive/adj.原始的 uncivilized/adj.不开化的落后的 complexity/n.复杂性复杂现象 nonsense/n.胡说没有根据的话 vocabulary/n.词汇 Inthesecondparagraphtheauthorthinksthat______.
TheUnitedStates In1782【51】theUnitedStateswonitsindependencethebaldeaglewaschosen【52】thenationalbirdofthenewcountry.Americanleaderswantedtheeagletobea【53】oftheircountrybecauseit’’sabirdofstrengthandcourage.TheychosethebaldeaglebecauseitwasfoundalloverNorthAmericaandonlyinNorthAmerica. Butalittleover200years【54】thebaldeaglehadalmostdisappearedfromthecountryIn1972therewereonly3000baldeaglesintheentireUnitedStates.Thereasonforthebirds【55】populationwaspollutionespeciallypollutionofriversbypesticides.Pesticidesarechemicals【56】tokillinsectsandotheranimalsthatattackanddestroycrops. 【57】rainoftenwashespesticidesintorivers.Pesticidespollutetheriversandpoisonthefish.Eagleseat【58】andthepoison【59】theireggs.Theeggshaveverythinshellsanddonothatch. Eagles【60】onlytwoorthreeeggsayear.Becausemanyoftheeggsdidnot【61】andproducemoreeagles【62】eaglesquickly【63】smaller. TodaytheAmericanGovernmentandtheAmericanpeoplearetryingtoprotectthebaldeagle.Thenumberofbaldeagles【64】Itnowappears【65】theAmericannationalbirdwillsurviveandremainasymbolofstrengthandcourage.
TheUnitedStates In1782【51】theUnitedStateswonitsindependencethebaldeaglewaschosen【52】thenationalbirdofthenewcountry.Americanleaderswantedtheeagletobea【53】oftheircountrybecauseit’’sabirdofstrengthandcourage.TheychosethebaldeaglebecauseitwasfoundalloverNorthAmericaandonlyinNorthAmerica. Butalittleover200years【54】thebaldeaglehadalmostdisappearedfromthecountryIn1972therewereonly3000baldeaglesintheentireUnitedStates.Thereasonforthebirds【55】populationwaspollutionespeciallypollutionofriversbypesticides.Pesticidesarechemicals【56】tokillinsectsandotheranimalsthatattackanddestroycrops. 【57】rainoftenwashespesticidesintorivers.Pesticidespollutetheriversandpoisonthefish.Eagleseat【58】andthepoison【59】theireggs.Theeggshaveverythinshellsanddonothatch. Eagles【60】onlytwoorthreeeggsayear.Becausemanyoftheeggsdidnot【61】andproducemoreeagles【62】eaglesquickly【63】smaller. TodaytheAmericanGovernmentandtheAmericanpeoplearetryingtoprotectthebaldeagle.Thenumberofbaldeagles【64】Itnowappears【65】theAmericannationalbirdwillsurviveandremainasymbolofstrengthandcourage.
Nurses Thephysiciansinahospitalformthecoreofthemedicalstaff.Buttheycouldnotprovideeffectivemedicalcaretotheirpatientswithoutthehelpofnumerousothermedicalworkers.Fromtheangleofthepatientsthenursingstaffisparticularlyimportant.Nursesareusuallyinclosecontactwithpatientsaslongastheyareinthehospital. Anursedoesnotstudyforasmanyyearsasadoctor.Howevereachmustbeequallytrained.Caringforsickpersonsrequiresagreatdealofpatienceandconcern.Mostnursesworklongdaysandtheyoftenmustworkatoddhoursorduringthenight. Thenursingstaffinahospitalisusuallyquitelargeandvarious.Nursingservicesafterallmustbeprovidedona24-hourbasis.Thereareprofessional专业的nursespracticalnursesnursesaidsandorderlies勤杂工.Thegeneraltermnursereferstoapersontrainedtoofferbedsidecaretosickpersons. Underthesupervision管理oftheheadnursethenursingstaffinahospitalwardmustattendtopatients’’needs.Thisresponsibilitycontinuesaroundtheclockandsonursesmustworkinshifts.Ashiftisaperiodofdutyusuallyeighthoursinlength.Thenursesonthewardrotate轮换theirshifts.Sometaketurnsworkingnightduty;othersworkoddshifts.Allofthemworkoutofacentralareaonthewardcalledthenursesstation. Anursemustalwaysbeonherguard.Shecanneveraffordtobecareless.Thisistrueinallnursingsituationsbutitisespeciallytrueintheintensivecareunit.Patientsunderintensivecarearecriticallyillandtheymustbemonitoredatalltimes.Thenurseswhodointensivecaredutyhaveoneofthemostdemandingjobsinthehospital. Nurseswhoworkintheintensivecareunitinahospitalarebettertrainedthanothernurses.
AHierarchyofHormones Allofthecellsinaparticularplantstartoutwiththesamecomplementofgenes.Howthencanthesecellsdifferentiateandfromstructuresasdifferentasrootsstemsleavesandfruits?Theansweristhatonlyasmallsubsetofthegenesinaparticularkindofcellareexpressedorturnedonatagiventime.Thisisaccomplishedbyacomplexsystemofchemicalmessengersthatinplantsincludehormonesandotherregulatorymolecules.Fivemajorhormoneshavebeenidentified;auxin生长素abscisicacid脱落酸cytokinin细胞激动素hetylene乙烯andgibberellin赤霉素.Studiesofplantshavenowidentifiedanewclassofregulatorymoleculescalledoligosaccharins. Unliketheoligosaccharinsthefivewell-knownplanthormonesarepleiotropic多向性的ratherthanspecificthatiseachhasmorethanoneeffectonthegrowthanddevelopmentofplants.Thefivehavesomanysimultaneouseffectsthattheyarenotveryusefulinartificiallycontrollingthegrowthofcrops.Auxinforinstancestimulatestherateofcellelongation拉长causesshootstogrowupandrootstogrowdownandinhibitsthegrowthoflateral侧面的shoots.Auxinalsocausestheplanttodevelopavascular维管的systemtofromlateralrootsandtoproduceethylene. Thepleiotropyofthefivewell-studiedplanthormonesissomewhatanalogous类似的tothatofcertainhormonesinanimal.Forexamplehormonesfromthehypothalamus下五脑inthebrainstimulatetheanterior前面的lobeofthepituitaryglandtosynthesizeandreleasemanydifferenthormonesoneofwhichstimulatesthereleaseofhormonesfromtheadrenal肾上腺的cortex皮质|.Thesehormoneshavespecificeffectsontargetorgansalloverthebody.Onehormonestimulatesthethyroid甲状腺的glandforexampleanothertheovarian子房folliclecellsandsoforth.Inotherwordsthereisahierarchy统治集团ofhormones. Suchahierarchymayalsoexistinplants.Oligosaccharinsarefragmentsofthecellwallreleasedbyenzymes酶:differentenzymesreleasedifferentoligosaccharins.Thereareindicationsthatpleiotropicplanthormonesmayactuallyfunctionbyactivatingtheenzymesthatreleasetheseothermorespecificchemicalmessengersfromthecellwall. Accordingtothepassagewhichofthefollowingbestdescribesafunctionperformedbyoligosacchains?
AHierarchyofHormones Allofthecellsinaparticularplantstartoutwiththesamecomplementofgenes.Howthencanthesecellsdifferentiateandfromstructuresasdifferentasrootsstemsleavesandfruits?Theansweristhatonlyasmallsubsetofthegenesinaparticularkindofcellareexpressedorturnedonatagiventime.Thisisaccomplishedbyacomplexsystemofchemicalmessengersthatinplantsincludehormonesandotherregulatorymolecules.Fivemajorhormoneshavebeenidentified;auxin生长素abscisicacid脱落酸cytokinin细胞激动素hetylene乙烯andgibberellin赤霉素.Studiesofplantshavenowidentifiedanewclassofregulatorymoleculescalledoligosaccharins. Unliketheoligosaccharinsthefivewell-knownplanthormonesarepleiotropic多向性的ratherthanspecificthatiseachhasmorethanoneeffectonthegrowthanddevelopmentofplants.Thefivehavesomanysimultaneouseffectsthattheyarenotveryusefulinartificiallycontrollingthegrowthofcrops.Auxinforinstancestimulatestherateofcellelongation拉长causesshootstogrowupandrootstogrowdownandinhibitsthegrowthoflateral侧面的shoots.Auxinalsocausestheplanttodevelopavascular维管的systemtofromlateralrootsandtoproduceethylene. Thepleiotropyofthefivewell-studiedplanthormonesissomewhatanalogous类似的tothatofcertainhormonesinanimal.Forexamplehormonesfromthehypothalamus下五脑inthebrainstimulatetheanterior前面的lobeofthepituitaryglandtosynthesizeandreleasemanydifferenthormonesoneofwhichstimulatesthereleaseofhormonesfromtheadrenal肾上腺的cortex皮质|.Thesehormoneshavespecificeffectsontargetorgansalloverthebody.Onehormonestimulatesthethyroid甲状腺的glandforexampleanothertheovarian子房folliclecellsandsoforth.Inotherwordsthereisahierarchy统治集团ofhormones. Suchahierarchymayalsoexistinplants.Oligosaccharinsarefragmentsofthecellwallreleasedbyenzymes酶:differentenzymesreleasedifferentoligosaccharins.Thereareindicationsthatpleiotropicplanthormonesmayactuallyfunctionbyactivatingtheenzymesthatreleasetheseothermorespecificchemicalmessengersfromthecellwall. Thepassagesuggeststhatwhichofthefollowingisafunctionlikelytobeperformedbyanoligosacharin?
{{*HTML*}}阅读下面这篇短文短文后列出了7个句子请根据短文的内容对每个句子做出判断 {{B}} MotherNatureShowsHerStrength{{/B}}??Tornadoes 龙卷风andheavythunderstormsmovedacrosstheGreatLakesandintoTrumbull CountyonSaturdayevening.Thestormsweredramaticanddangerous.? ?GeorgeSnyderwasdrivingthefiretruckdownRoute88whenhefirst noticedthatafunnel漏斗状的cloudwasbehindhim.Istoppedthetruckand watchedthefunnelcloud.Itwasabout100feetoffthegroundandIsawitgo upanddownforawhile.ItwasmovingtowardBradleyRoadandthensuddenlyit disappearedSnydersaid.??Snyderonlysawoneofthefunnel cloudsthatpassedthroughnortheasternOhioonSaturday.InTrumbullCountya tornadoturnedtreesontotheirsides.Sometreesfellontohousesandcars. Othertreesfellintotelephoneandelectricalwiresastheywent down.??AmandaSymcheckwashavingapartywhenthestormbegan. Iknewsomethingwaswrongshesaid.Isawtheskygogreenandpink粉红色. Thenitsoundedlikeatrainrushingtowardthehouse.Istartedcryingandtold everyonetogotothebasementforprotection.??Thetornado causedalotofdamagetocarsandhousesinthearea.Itwilltakealongtime andmuchmoneytorepaireverything.Therewasalsoseriouswaterdamagefrom thethunderstorms.Theheavyrainsandhighwindcausedthepowertogooutin manyhomes.??Thestormscausedseriousfloodinginareasnearthe river.MorethanfourinchesofrainfellinpartsofTrumbullCounty.Theriver was.sohighthatthewaterranintostreetsandhouses.Manystreetshadtobe closedtocarsandtrucksbecauseofthehighwater.Thismadeitdifficultfor firetruckspolicecarsandotherrescuevehiclestohelppeoplewhowerein trouble.??Manypeoplewholiveneartheriverhadtoleavetheir homesfortheirownsafety.Somepeoplereportedfivefeetofwaterintheir homes.Localandstateofficialsopenedemergencysheltersforthepeoplewho wereevacuated撤走.TheRedCrossservedmealstothem.??This wasareallyintensestormsaidSnyder.Peoplewereafraid.MotherNaturecan befierce.Wewereluckythistime.Noonewas killed.AmandaSymcheckwashavingapartyinthebasementwhenthestormbegan.
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{{*HTML*}}阅读下面这篇短文短文后有2项测试任务1第23—26题要求从所给的6个选项中为第1—4段每段选择1个正确的小标题2第27～30题要求从所给的6个选项中选择4个正确选项分别完成每个句子 {{B}} EarthAngels{{/B}}??1?JoyingBresciawas8 yearsoldwhenshenoticedthatcigarettebutts烟头werelitteringherhometown beachinlsleofPalmsSouthCarolina.Whenshelearnedthatittakesfive yearsfortheremainsofacigarettetodisintegrateshedecidedtotake action.JoyinglaunchedaNoBuffsontheBeachcampaign.Sheraisedmoneyand awarenessabouttheneedtokeepthebeachesclean.Withthehelpofothers Joyingalsoboughtorreceiveddonationsofgallon-sizeplasticice-cream buckets.Thebucketswerefilledwithsandandplacedatallpublic-access areasofthebeach.Thebucketsallowedpeopletodisposeoftheircigarettes beforehittingthebeach.TwoyearslaterJoyingsaysthebucketsarefulland thebeachisnearlyfreeofcigarettedebris残片.??2 ?PeoplewholiveinorvisitSteamboatSpringsColoradohaveCarter Dunhamtothankforanewstatewildliferefugethatpreserves20acresof marshlandandmany.speciesofwildlife.Carterandotherstudentswrotea managementplanfortheareaaroundtheYampaRiver.Theplanwaspartofa classprojectwhenCarterwasafreshmanatSteamboatSpringsHighSchool. WorkingwiththeColoradoDivisionofWildlifeCarterandhisclassmatesmapped theareaandspeciesofanimalslivingthere.Theyalsomadedecisionsabout amongotherthingswherefencesandparkingareasshouldbebuilt.? ?3?BarbaraBrownandherfriendscollectoil.Itstartedasaproject fortheir4HClubafteroneofthegirlsnoticedherfatherusingmotoroilto killweedsontheirfarminVictoriaTexas.Theydidsomeresearchand discoveredthatoilcancontaminategroundwater-arealdangerinruralareas wherepeopleliveoffthewaterontheirland.Thegirlsresearchedwaysto recycleoilandworkedwithalocaloil-recyclingcompanyontheissue.Nowthe Don’tBeCrudeprogramrunsoil-collectionsites-tanksthatholdupto460 gallons-wherepeopleinthecommunitycandisposeoftheiroil.? ?4?Fiveyearsago11-year-oldRyanHreljacwasalittleboywitha bigdream:forallthepeopleinAfricatohavecleandrinkingwater.Hisdream beganinthefirstgradewhenhelearnedthatpeopleweredyingbecausethey didn’thavecleanwaterandthataslittleas$70couldbuildawell.We reallytakewaterforgrantedsaysRyanofKemptvilleOntarioinCanada. Inothercountriesyouhavetoplanforit.Ryanearnedthefirst$70by doingextrachores零工butwiththehelpofothershehassinceraised hundredsofthousandsofdollars.HiseffortsledtothestartoftheRyan’s WellFoundationwhichraisesmoneyforcleanwaterandhealth-relatedservices forpeopleinAfricancountriesanddevelopingcountries.PeoplearegratefultoCarterDunhamforhiseffortsto______.
{{*HTML*}}阅读下面这篇短文短文后列出了7个句子请根据短文的内容对每个句子做出判断 {{B}} MotherNatureShowsHerStrength{{/B}}??Tornadoes 龙卷风andheavythunderstormsmovedacrosstheGreatLakesandintoTrumbull CountyonSaturdayevening.Thestormsweredramaticanddangerous.? ?GeorgeSnyderwasdrivingthefiretruckdownRoute88whenhefirst noticedthatafunnel漏斗状的cloudwasbehindhim.Istoppedthetruckand watchedthefunnelcloud.Itwasabout100feetoffthegroundandIsawitgo upanddownforawhile.ItwasmovingtowardBradleyRoadandthensuddenlyit disappearedSnydersaid.??Snyderonlysawoneofthefunnel cloudsthatpassedthroughnortheasternOhioonSaturday.InTrumbullCountya tornadoturnedtreesontotheirsides.Sometreesfellontohousesandcars. Othertreesfellintotelephoneandelectricalwiresastheywent down.??AmandaSymcheckwashavingapartywhenthestormbegan. Iknewsomethingwaswrongshesaid.Isawtheskygogreenandpink粉红色. Thenitsoundedlikeatrainrushingtowardthehouse.Istartedcryingandtold everyonetogotothebasementforprotection.??Thetornado causedalotofdamagetocarsandhousesinthearea.Itwilltakealongtime andmuchmoneytorepaireverything.Therewasalsoseriouswaterdamagefrom thethunderstorms.Theheavyrainsandhighwindcausedthepowertogooutin manyhomes.??Thestormscausedseriousfloodinginareasnearthe river.MorethanfourinchesofrainfellinpartsofTrumbullCounty.Theriver was.sohighthatthewaterranintostreetsandhouses.Manystreetshadtobe closedtocarsandtrucksbecauseofthehighwater.Thismadeitdifficultfor firetruckspolicecarsandotherrescuevehiclestohelppeoplewhowerein trouble.??Manypeoplewholiveneartheriverhadtoleavetheir homesfortheirownsafety.Somepeoplereportedfivefeetofwaterintheir homes.Localandstateofficialsopenedemergencysheltersforthepeoplewho wereevacuated撤走.TheRedCrossservedmealstothem.??This wasareallyintensestormsaidSnyder.Peoplewereafraid.MotherNaturecan befierce.Wewereluckythistime.Noonewas killed.TherehadnotbeensuchaseverestorminTrumbullCountyforahundredyears.
TheUnitedStates In1782【51】theUnitedStateswonitsindependencethebaldeaglewaschosen【52】thenationalbirdofthenewcountry.Americanleaderswantedtheeagletobea【53】oftheircountrybecauseit’’sabirdofstrengthandcourage.TheychosethebaldeaglebecauseitwasfoundalloverNorthAmericaandonlyinNorthAmerica. Butalittleover200years【54】thebaldeaglehadalmostdisappearedfromthecountryIn1972therewereonly3000baldeaglesintheentireUnitedStates.Thereasonforthebirds【55】populationwaspollutionespeciallypollutionofriversbypesticides.Pesticidesarechemicals【56】tokillinsectsandotheranimalsthatattackanddestroycrops. 【57】rainoftenwashespesticidesintorivers.Pesticidespollutetheriversandpoisonthefish.Eagleseat【58】andthepoison【59】theireggs.Theeggshaveverythinshellsanddonothatch. Eagles【60】onlytwoorthreeeggsayear.Becausemanyoftheeggsdidnot【61】andproducemoreeagles【62】eaglesquickly【63】smaller. TodaytheAmericanGovernmentandtheAmericanpeoplearetryingtoprotectthebaldeagle.Thenumberofbaldeagles【64】Itnowappears【65】theAmericannationalbirdwillsurviveandremainasymbolofstrengthandcourage.
TheUnitedStates In1782【51】theUnitedStateswonitsindependencethebaldeaglewaschosen【52】thenationalbirdofthenewcountry.Americanleaderswantedtheeagletobea【53】oftheircountrybecauseit’’sabirdofstrengthandcourage.TheychosethebaldeaglebecauseitwasfoundalloverNorthAmericaandonlyinNorthAmerica. Butalittleover200years【54】thebaldeaglehadalmostdisappearedfromthecountryIn1972therewereonly3000baldeaglesintheentireUnitedStates.Thereasonforthebirds【55】populationwaspollutionespeciallypollutionofriversbypesticides.Pesticidesarechemicals【56】tokillinsectsandotheranimalsthatattackanddestroycrops. 【57】rainoftenwashespesticidesintorivers.Pesticidespollutetheriversandpoisonthefish.Eagleseat【58】andthepoison【59】theireggs.Theeggshaveverythinshellsanddonothatch. Eagles【60】onlytwoorthreeeggsayear.Becausemanyoftheeggsdidnot【61】andproducemoreeagles【62】eaglesquickly【63】smaller. TodaytheAmericanGovernmentandtheAmericanpeoplearetryingtoprotectthebaldeagle.Thenumberofbaldeagles【64】Itnowappears【65】theAmericannationalbirdwillsurviveandremainasymbolofstrengthandcourage.
TheUnitedStates In1782【51】theUnitedStateswonitsindependencethebaldeaglewaschosen【52】thenationalbirdofthenewcountry.Americanleaderswantedtheeagletobea【53】oftheircountrybecauseit’’sabirdofstrengthandcourage.TheychosethebaldeaglebecauseitwasfoundalloverNorthAmericaandonlyinNorthAmerica. Butalittleover200years【54】thebaldeaglehadalmostdisappearedfromthecountryIn1972therewereonly3000baldeaglesintheentireUnitedStates.Thereasonforthebirds【55】populationwaspollutionespeciallypollutionofriversbypesticides.Pesticidesarechemicals【56】tokillinsectsandotheranimalsthatattackanddestroycrops. 【57】rainoftenwashespesticidesintorivers.Pesticidespollutetheriversandpoisonthefish.Eagleseat【58】andthepoison【59】theireggs.Theeggshaveverythinshellsanddonothatch. Eagles【60】onlytwoorthreeeggsayear.Becausemanyoftheeggsdidnot【61】andproducemoreeagles【62】eaglesquickly【63】smaller. TodaytheAmericanGovernmentandtheAmericanpeoplearetryingtoprotectthebaldeagle.Thenumberofbaldeagles【64】Itnowappears【65】theAmericannationalbirdwillsurviveandremainasymbolofstrengthandcourage.
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