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在拼音下面写出汉字，注意写得匀称、美观。 chuǎi mó______ piāo fú______ táo zuì______ shū cài______ zhàng dān______ ...
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读下面的语段根据拼音写出汉字4分大地鸡鸣人类的_____chuī烟升起在这片友好的大地上万物欢欣生机
根据拼音写出相应的汉字对待学问我们不应该chuīmáoqiúcī也不能一味的dǐnglǐmóbài学
阅读下面文字根据拼音写出汉字大地鸡鸣人类的chuī烟升起在这片友好的大地上万物欢欣生机_____pé
根据拼音写出汉字4分dì______听mèi_____力风mǐ______一时xuàn_____丽多
根据拼音写出汉字或根据汉字写出拼音2分nì名禁gù广袤无垠狭ài
请根据拼音提示写出汉字力求书写正确规范美观hóngyángyíméngměidégòujiànhéx
在拼音下面写出汉字注意写得匀称美观hōngkǎozhēnzhìqǐnbùānxíxiūzhùméng
根据拼音写出汉字文cǎi____chà____路青xìnɡ____衣lǐng____沉mò____s
给下面加点字注音或根据拼音写出汉字豁达嫉妒和mù相处jiǒng异
根据拼音写汉字共15分huàn想méng胧阴yùníng成淘tàichuò泣苦sè头lúniàng酒
在拼音下面写出汉字注意写得匀称美观chuǎimópiāofútáozuìshūcàizhàngdān
根据拼音写出汉字5分áo夜línlínchuí打qī斜qiáocuì脸jiápáihuái
用正楷抄写下面的句子并根据拼音写出相应的汉字3分从容地mài进考场自信地面对试卷chén着冷静地答题
根据拼音写出汉字2分头晕目xuàn丰shuò获益fěi浅轻飞màn舞
根据汉语拼音写出汉字①焦zhuó②mù集③千chuí百炼④故弄xuán虚
给下面加点字注音或根据拼音写出汉字三棱镜灼伤wěi谢diàn青
根据下面的拼音写汉字zá碎shì弄bào怒tānhuànchuí打沉jì淡yǎ翻来fù去
根据拼音写出汉字tuí唐俯kàn斑lán桑zǐ阔chuò
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Theaveragepersonlearnsmostofthe30000～40000wordswhosemeaningsheorsherecognizesbyhearingthemorgettingfamiliarwiththeminthecontextorsimplyabsorbingthemwithoutconsciouseffort.Thebestwaytobuildagoodvocabularythereforeistoreadagreatdealandtoparticipateinalotofgoodtalks.Therearerelativelyfewwordsthatwelearnpermanentlybypurposefullyreferringtodictionariesorkeepingwordlists.Howevereventhoseextrafewareofvalueandnoonewillmakeamistakebyworkingondevelopingalargervocabulary.Herearesomesuggestionsofhowtodoit. Readplentyofgoodbooks.Whenyoucomeacrossanewwordoranewmeaningofanoldwordstopandseeifyoucanunderstanditfromitscontext.Ifyoucan’tandifyoucanmanagewithoutinterruptingthethoughtofthebooktoomuchlookitupinadictionaryorasksomebodyandthenrepeatitsmeaningtoyourselfacoupleoftimes.Ifyouarereallyconscientiouswritethewordanditsmeaninginapersonalvocabularylist—preferablyusingitinasentenceoryoucankeepaspecialvocabularynotebook.Gooverthelistfromtimetotime.Furthertrytouseanewwordinwritingorconversationafewtimesoverthenextseveraldays. Listentogoodtalksandbealerttonewwordsyouhearortonewmeaningsofwordsyoualreadyknow.Thentreatthemjustasyoutreatthenewwordsyouread. Learnandbealerttothepartsofwords:prefixessuffixesandroots.Knowingthemenablesyoutomakeintelligentguessesaboutthemeaningofwords. IfyouarestudyingaforeignlanguagebealerttowordsinthatlanguagewhichrelatetowordsinEnglish.Englishhasinheritedorborrowedmuchofitsvocabularyof500000～600000wordsfromLatinGreekFrenchSpanishandGerman. Accordingtothispassagethebestwaytobuildagoodvocabularyis
教师把教学内容设计成一系列指令式语言项目然后再让这些学生对这些项目用身体做出反应的课堂教学方法称为______
InOctober1961atCrowleyFieldinCincinnatiOhioanolddeafgentlemannamedWilliamE.HoystooduptothrowthefirstballoftheWorldSeries.MostpeopleatCrowleyFieldonthatdayprobablydidnotrememberHoybecausehehadretiredfromprofessionalbaseball58yearsearlierin1903.Howeverhehadbeenanoutstandingplayerandthedeafpeoplestilltalkabouthimandhisyearsinbaseball. WilliamE.HoywasborninHouckstownOhioonMay231862.Hebecamedeafwhenhewastwoyearsold.HeattendedtheColumbusOhioSchoolforthedeaf.Aftergraduationhestartedplayingbaseballwhileworkingasashoemaker. Hoybeganplayingprofessionalbaseballin1886forOshkoshWisconsinoftheNorthwesternLeague.In1888hestartedasanoutfielderwiththeoldWashingtonSenators.Hissmallfigureandspeedmadehimanoutstandingbaserunner.Hewasverygoodatstealingbasesduringhiscareer.Inthe1888majorleagueseasonhestole82bases.HewasalsotheSenators’leadinghitterin1888.Hoywascleverandhethrewright-handedandbattedleft-handed.OnJune191889hethrewoutthreebattersattheplatefromhisoutfieldposition. ThearmsignalsusedbyjudgestodaytoshowballsandstrikesbeganbecauseofHoy.Thejudgeliftedhisrightarmtoshowthatthepitchwasastrikeandhisleftarmtosignalthatitwasaball. FormanyyearspeopletalkedaboutHoy’slastballgamein1903.HewasplayingforLosAngelesofthePacificCoastWinterLeague.ItwasamemorablegamebecauseHoyhitawonderfulballwhichwonthegame.Itwasaveryfoggydayandthereforeveryhardtoseetheball.IntheninthinningwithtwomenoutHoymanagedtocatchaflyballtomakethethirdoutinspiteofthefog.LosAngelesdefeatedtheiroppositionandwonthegame. AfterheretiredHoystayedbusy.HeranadairyfarmnearCincinnatifor20years.Healsobecameapublicspeakerandtraveledgivingspeeches.Untilafewyearsbeforehisdeathhetook4～10milewalksseveralmorningsaweek.OnDecember151961WilliamHoydiedattheageof99. Thispassageismainlyabout
Itisclearthatsomechemicalscandamagethehealthofanimalsandhumans.1thisisnottheonlyproblemthat2becausedbythecarelessuseofchemicals.Chemicalscanalso3theecologicalbalanceoftheenvironment.Iftheecologicalbalanceisdisturbedtheresultscanbe4serious. The5ofDDTillustratestheproblem.DDTachemicalwhichkillsinsectsatfirstseemedtobeaperfectanswer6manyproblems.Itwouldcontrolinsectsthatcauseddangerousdiseases7insectsthatcausedbillionsofdollarsofdamagetocropseveryyear.Governmentspermittedandeven8theuseofDDT.Farmersinmanycountries9tosprayitontheircrops.The10resultsweregood:Damagetocrops11downandprofitswentup.Howeverthechemicalhadeffectswhichthescientistsdidn’tseein12.Firstitalsokilledinsectswhichwerethe13enemiesoftheharmfulinsectsandwhichwerethereforebeneficialtofarmers.SecondandperhapsworseDDTdidnotkill14harmfulinsect.Afewinsectshadnaturalresistancetothechemical.They15andreproducedinlargenumbers.Inafewyearstherewerelargenumbersofinsectswhichwerenot16byDDTandtherewere17insectswhichcouldactasnatural18onthesenew"super-insects".FinallyitbecameclearthatDDTwasnotsolvingtheinsectproblem.Infactitwasmakingtheproblemworse.It19becamenecessarytofindasecond20fortheeffectsofthefirst. 13
InOctober1961atCrowleyFieldinCincinnatiOhioanolddeafgentlemannamedWilliamE.HoystooduptothrowthefirstballoftheWorldSeries.MostpeopleatCrowleyFieldonthatdayprobablydidnotrememberHoybecausehehadretiredfromprofessionalbaseball58yearsearlierin1903.Howeverhehadbeenanoutstandingplayerandthedeafpeoplestilltalkabouthimandhisyearsinbaseball. WilliamE.HoywasborninHouckstownOhioonMay231862.Hebecamedeafwhenhewastwoyearsold.HeattendedtheColumbusOhioSchoolforthedeaf.Aftergraduationhestartedplayingbaseballwhileworkingasashoemaker. Hoybeganplayingprofessionalbaseballin1886forOshkoshWisconsinoftheNorthwesternLeague.In1888hestartedasanoutfielderwiththeoldWashingtonSenators.Hissmallfigureandspeedmadehimanoutstandingbaserunner.Hewasverygoodatstealingbasesduringhiscareer.Inthe1888majorleagueseasonhestole82bases.HewasalsotheSenators’leadinghitterin1888.Hoywascleverandhethrewright-handedandbattedleft-handed.OnJune191889hethrewoutthreebattersattheplatefromhisoutfieldposition. ThearmsignalsusedbyjudgestodaytoshowballsandstrikesbeganbecauseofHoy.Thejudgeliftedhisrightarmtoshowthatthepitchwasastrikeandhisleftarmtosignalthatitwasaball. FormanyyearspeopletalkedaboutHoy’slastballgamein1903.HewasplayingforLosAngelesofthePacificCoastWinterLeague.ItwasamemorablegamebecauseHoyhitawonderfulballwhichwonthegame.Itwasaveryfoggydayandthereforeveryhardtoseetheball.IntheninthinningwithtwomenoutHoymanagedtocatchaflyballtomakethethirdoutinspiteofthefog.LosAngelesdefeatedtheiroppositionandwonthegame. AfterheretiredHoystayedbusy.HeranadairyfarmnearCincinnatifor20years.Healsobecameapublicspeakerandtraveledgivingspeeches.Untilafewyearsbeforehisdeathhetook4～10milewalksseveralmorningsaweek.OnDecember151961WilliamHoydiedattheageof99. InwhichorderdidthefollowingthingshappeninHoy’slife a.Hoyworkedasashoemaker. b.Hoybegantorunadiaryfarm. c.Hoyplayedamemorablegameintheheavyfog. d.HoythrewthefirstballoftheWorldSeries. e.Hoybecamedeaf.
Itisclearthatsomechemicalscandamagethehealthofanimalsandhumans.1thisisnottheonlyproblemthat2becausedbythecarelessuseofchemicals.Chemicalscanalso3theecologicalbalanceoftheenvironment.Iftheecologicalbalanceisdisturbedtheresultscanbe4serious. The5ofDDTillustratestheproblem.DDTachemicalwhichkillsinsectsatfirstseemedtobeaperfectanswer6manyproblems.Itwouldcontrolinsectsthatcauseddangerousdiseases7insectsthatcausedbillionsofdollarsofdamagetocropseveryyear.Governmentspermittedandeven8theuseofDDT.Farmersinmanycountries9tosprayitontheircrops.The10resultsweregood:Damagetocrops11downandprofitswentup.Howeverthechemicalhadeffectswhichthescientistsdidn’tseein12.Firstitalsokilledinsectswhichwerethe13enemiesoftheharmfulinsectsandwhichwerethereforebeneficialtofarmers.SecondandperhapsworseDDTdidnotkill14harmfulinsect.Afewinsectshadnaturalresistancetothechemical.They15andreproducedinlargenumbers.Inafewyearstherewerelargenumbersofinsectswhichwerenot16byDDTandtherewere17insectswhichcouldactasnatural18onthesenew"super-insects".FinallyitbecameclearthatDDTwasnotsolvingtheinsectproblem.Infactitwasmakingtheproblemworse.It19becamenecessarytofindasecond20fortheeffectsofthefirst. 15
Itisclearthatsomechemicalscandamagethehealthofanimalsandhumans.1thisisnottheonlyproblemthat2becausedbythecarelessuseofchemicals.Chemicalscanalso3theecologicalbalanceoftheenvironment.Iftheecologicalbalanceisdisturbedtheresultscanbe4serious. The5ofDDTillustratestheproblem.DDTachemicalwhichkillsinsectsatfirstseemedtobeaperfectanswer6manyproblems.Itwouldcontrolinsectsthatcauseddangerousdiseases7insectsthatcausedbillionsofdollarsofdamagetocropseveryyear.Governmentspermittedandeven8theuseofDDT.Farmersinmanycountries9tosprayitontheircrops.The10resultsweregood:Damagetocrops11downandprofitswentup.Howeverthechemicalhadeffectswhichthescientistsdidn’tseein12.Firstitalsokilledinsectswhichwerethe13enemiesoftheharmfulinsectsandwhichwerethereforebeneficialtofarmers.SecondandperhapsworseDDTdidnotkill14harmfulinsect.Afewinsectshadnaturalresistancetothechemical.They15andreproducedinlargenumbers.Inafewyearstherewerelargenumbersofinsectswhichwerenot16byDDTandtherewere17insectswhichcouldactasnatural18onthesenew"super-insects".FinallyitbecameclearthatDDTwasnotsolvingtheinsectproblem.Infactitwasmakingtheproblemworse.It19becamenecessarytofindasecond20fortheeffectsofthefirst. 1
Itisclearthatsomechemicalscandamagethehealthofanimalsandhumans.1thisisnottheonlyproblemthat2becausedbythecarelessuseofchemicals.Chemicalscanalso3theecologicalbalanceoftheenvironment.Iftheecologicalbalanceisdisturbedtheresultscanbe4serious. The5ofDDTillustratestheproblem.DDTachemicalwhichkillsinsectsatfirstseemedtobeaperfectanswer6manyproblems.Itwouldcontrolinsectsthatcauseddangerousdiseases7insectsthatcausedbillionsofdollarsofdamagetocropseveryyear.Governmentspermittedandeven8theuseofDDT.Farmersinmanycountries9tosprayitontheircrops.The10resultsweregood:Damagetocrops11downandprofitswentup.Howeverthechemicalhadeffectswhichthescientistsdidn’tseein12.Firstitalsokilledinsectswhichwerethe13enemiesoftheharmfulinsectsandwhichwerethereforebeneficialtofarmers.SecondandperhapsworseDDTdidnotkill14harmfulinsect.Afewinsectshadnaturalresistancetothechemical.They15andreproducedinlargenumbers.Inafewyearstherewerelargenumbersofinsectswhichwerenot16byDDTandtherewere17insectswhichcouldactasnatural18onthesenew"super-insects".FinallyitbecameclearthatDDTwasnotsolvingtheinsectproblem.Infactitwasmakingtheproblemworse.It19becamenecessarytofindasecond20fortheeffectsofthefirst. 3
Somespidershuntonthegroundothersbuildwebstotraptheirfoodbutthegrasswaterspidercatchesitspreybyrunningalongthesurfaceofthewater. Thisspecialwaterspiderlivesonthegrassybanksofstreamswheremosquitoesdamselfliesandotherinsectscometofeedandbreed. AlthoughitisoneofthelargestspidersinNewZealandithasanunusualability.Itdoesn’tdisturbthewaterasitwaitsforitsmealandthereisbarelyaripplewhenitskimsacrossthesurfaceatlightningspeedtocatchitsprey. Grasswaterspidersdealswiftlywithlargerinsectslikedamselfliesbypullingtheirheadsunderthewaterandholdingthemthereuntiltheydrown. Afteramealthegrasswaterspiderspendsuptohalfanhourgroomingitself.Itwipesitseighteyesbrushesitsantennaeandtakesspecialcaretocleanthehairsonitsbody. Itisthehairsthattraptinybubblesofairsothatthespidercanrundownabladeofgrassandstayunderwaterforuptoanhourwhenitisfrightened.Thehairsalsokeepthespiderdryevenunderwater. Itisonlywhenthefemalespideriscaringfortheyoungthatshedoesnothuntonthewater.Aftermatingsheproducesalargeeggsacwhichshecarriesaroundforfiveweeks.Oncetheeggsstarttohatchsheattachesthesactosomebladesofgrassorathistle.Shethentearsthesacopenandreleasesthetinyspidersintothenurseryweb. Howdoesthegrasswaterspiderkillitsprey
Theaveragepersonlearnsmostofthe30000～40000wordswhosemeaningsheorsherecognizesbyhearingthemorgettingfamiliarwiththeminthecontextorsimplyabsorbingthemwithoutconsciouseffort.Thebestwaytobuildagoodvocabularythereforeistoreadagreatdealandtoparticipateinalotofgoodtalks.Therearerelativelyfewwordsthatwelearnpermanentlybypurposefullyreferringtodictionariesorkeepingwordlists.Howevereventhoseextrafewareofvalueandnoonewillmakeamistakebyworkingondevelopingalargervocabulary.Herearesomesuggestionsofhowtodoit. Readplentyofgoodbooks.Whenyoucomeacrossanewwordoranewmeaningofanoldwordstopandseeifyoucanunderstanditfromitscontext.Ifyoucan’tandifyoucanmanagewithoutinterruptingthethoughtofthebooktoomuchlookitupinadictionaryorasksomebodyandthenrepeatitsmeaningtoyourselfacoupleoftimes.Ifyouarereallyconscientiouswritethewordanditsmeaninginapersonalvocabularylist—preferablyusingitinasentenceoryoucankeepaspecialvocabularynotebook.Gooverthelistfromtimetotime.Furthertrytouseanewwordinwritingorconversationafewtimesoverthenextseveraldays. Listentogoodtalksandbealerttonewwordsyouhearortonewmeaningsofwordsyoualreadyknow.Thentreatthemjustasyoutreatthenewwordsyouread. Learnandbealerttothepartsofwords:prefixessuffixesandroots.Knowingthemenablesyoutomakeintelligentguessesaboutthemeaningofwords. IfyouarestudyingaforeignlanguagebealerttowordsinthatlanguagewhichrelatetowordsinEnglish.Englishhasinheritedorborrowedmuchofitsvocabularyof500000～600000wordsfromLatinGreekFrenchSpanishandGerman. Inthefourthparagraphthewordthemrefersto
Itisclearthatsomechemicalscandamagethehealthofanimalsandhumans.1thisisnottheonlyproblemthat2becausedbythecarelessuseofchemicals.Chemicalscanalso3theecologicalbalanceoftheenvironment.Iftheecologicalbalanceisdisturbedtheresultscanbe4serious. The5ofDDTillustratestheproblem.DDTachemicalwhichkillsinsectsatfirstseemedtobeaperfectanswer6manyproblems.Itwouldcontrolinsectsthatcauseddangerousdiseases7insectsthatcausedbillionsofdollarsofdamagetocropseveryyear.Governmentspermittedandeven8theuseofDDT.Farmersinmanycountries9tosprayitontheircrops.The10resultsweregood:Damagetocrops11downandprofitswentup.Howeverthechemicalhadeffectswhichthescientistsdidn’tseein12.Firstitalsokilledinsectswhichwerethe13enemiesoftheharmfulinsectsandwhichwerethereforebeneficialtofarmers.SecondandperhapsworseDDTdidnotkill14harmfulinsect.Afewinsectshadnaturalresistancetothechemical.They15andreproducedinlargenumbers.Inafewyearstherewerelargenumbersofinsectswhichwerenot16byDDTandtherewere17insectswhichcouldactasnatural18onthesenew"super-insects".FinallyitbecameclearthatDDTwasnotsolvingtheinsectproblem.Infactitwasmakingtheproblemworse.It19becamenecessarytofindasecond20fortheeffectsofthefirst. 5
—IwonderwhyMr.Greenlooksquietinclass.—I'mnotsurebutheasmallaccidentdrivinghere.
Believeitornotopticalillusioncancuthighwaycrashes. Japanisacaseinpoint.Ithasreducedautomobilecrashesonsomeroadsbynearly75percentusingasimpleopticalillusion.Butstripescalledchevronspaintedontheroadsmakedriversthinkthattheyaredrivingfasterthantheyreallyareandthusdriversslowdown. NowtheAmericanAutomobileAssociationFoundationforTrafficSafetyinWashingtonD.C.isplanningtorepeatJapan’ssuccess.Startingnextyearthefoundationwillpaintchevronsandotherpatternsofstripesonselectedroadsaroundthecountrytotesthowwellthepatternsreducehighwaycrashes. Excessivetoogreatspeedplaysamajorroleinasmuchasonefifthofallfataltrafficaccidentsaccordingtothefoundation.Tohelpreducethoseaccidentsthefoundationwillconductitstestsinareaswherespeed-relatedhazardsdangerarethegreatestcurvesexitslopestrafficcirclesandbridges. Somestudiessuggestthatstraighthorizontalbarspaintedacrossroadscaninitiallycuttheaveragespeedofdriversinhalf.Howevertrafficoftenreturnstofullspeedwithinmonthsasdriversbecomeusedtoseeingthepaintedbars. Chevronsscientistssaynotonlygivedriverstheimpressionthattheyaredrivingfasterthantheyreallyarebutalsomakealaneappeartobenarrower.Theresultisalongerlastingreductioninhighwayspeedandthenumberoftrafficaccidents. Thepassagemainlydiscusses
Itisclearthatsomechemicalscandamagethehealthofanimalsandhumans.1thisisnottheonlyproblemthat2becausedbythecarelessuseofchemicals.Chemicalscanalso3theecologicalbalanceoftheenvironment.Iftheecologicalbalanceisdisturbedtheresultscanbe4serious. The5ofDDTillustratestheproblem.DDTachemicalwhichkillsinsectsatfirstseemedtobeaperfectanswer6manyproblems.Itwouldcontrolinsectsthatcauseddangerousdiseases7insectsthatcausedbillionsofdollarsofdamagetocropseveryyear.Governmentspermittedandeven8theuseofDDT.Farmersinmanycountries9tosprayitontheircrops.The10resultsweregood:Damagetocrops11downandprofitswentup.Howeverthechemicalhadeffectswhichthescientistsdidn’tseein12.Firstitalsokilledinsectswhichwerethe13enemiesoftheharmfulinsectsandwhichwerethereforebeneficialtofarmers.SecondandperhapsworseDDTdidnotkill14harmfulinsect.Afewinsectshadnaturalresistancetothechemical.They15andreproducedinlargenumbers.Inafewyearstherewerelargenumbersofinsectswhichwerenot16byDDTandtherewere17insectswhichcouldactasnatural18onthesenew"super-insects".FinallyitbecameclearthatDDTwasnotsolvingtheinsectproblem.Infactitwasmakingtheproblemworse.It19becamenecessarytofindasecond20fortheeffectsofthefirst. 17
Somespidershuntonthegroundothersbuildwebstotraptheirfoodbutthegrasswaterspidercatchesitspreybyrunningalongthesurfaceofthewater. Thisspecialwaterspiderlivesonthegrassybanksofstreamswheremosquitoesdamselfliesandotherinsectscometofeedandbreed. AlthoughitisoneofthelargestspidersinNewZealandithasanunusualability.Itdoesn’tdisturbthewaterasitwaitsforitsmealandthereisbarelyaripplewhenitskimsacrossthesurfaceatlightningspeedtocatchitsprey. Grasswaterspidersdealswiftlywithlargerinsectslikedamselfliesbypullingtheirheadsunderthewaterandholdingthemthereuntiltheydrown. Afteramealthegrasswaterspiderspendsuptohalfanhourgroomingitself.Itwipesitseighteyesbrushesitsantennaeandtakesspecialcaretocleanthehairsonitsbody. Itisthehairsthattraptinybubblesofairsothatthespidercanrundownabladeofgrassandstayunderwaterforuptoanhourwhenitisfrightened.Thehairsalsokeepthespiderdryevenunderwater. Itisonlywhenthefemalespideriscaringfortheyoungthatshedoesnothuntonthewater.Aftermatingsheproducesalargeeggsacwhichshecarriesaroundforfiveweeks.Oncetheeggsstarttohatchsheattachesthesactosomebladesofgrassorathistle.Shethentearsthesacopenandreleasesthetinyspidersintothenurseryweb. Thepassagetellsusthatthespider
Thosesuccessfuldeafdancersthinkthatdancingisanactivitysightmattersmorethanhearing.
Itisclearthatsomechemicalscandamagethehealthofanimalsandhumans.1thisisnottheonlyproblemthat2becausedbythecarelessuseofchemicals.Chemicalscanalso3theecologicalbalanceoftheenvironment.Iftheecologicalbalanceisdisturbedtheresultscanbe4serious. The5ofDDTillustratestheproblem.DDTachemicalwhichkillsinsectsatfirstseemedtobeaperfectanswer6manyproblems.Itwouldcontrolinsectsthatcauseddangerousdiseases7insectsthatcausedbillionsofdollarsofdamagetocropseveryyear.Governmentspermittedandeven8theuseofDDT.Farmersinmanycountries9tosprayitontheircrops.The10resultsweregood:Damagetocrops11downandprofitswentup.Howeverthechemicalhadeffectswhichthescientistsdidn’tseein12.Firstitalsokilledinsectswhichwerethe13enemiesoftheharmfulinsectsandwhichwerethereforebeneficialtofarmers.SecondandperhapsworseDDTdidnotkill14harmfulinsect.Afewinsectshadnaturalresistancetothechemical.They15andreproducedinlargenumbers.Inafewyearstherewerelargenumbersofinsectswhichwerenot16byDDTandtherewere17insectswhichcouldactasnatural18onthesenew"super-insects".FinallyitbecameclearthatDDTwasnotsolvingtheinsectproblem.Infactitwasmakingtheproblemworse.It19becamenecessarytofindasecond20fortheeffectsofthefirst. 19
提倡任务型教学途径有什么重要意义至少说三点
Believeitornotopticalillusioncancuthighwaycrashes. Japanisacaseinpoint.Ithasreducedautomobilecrashesonsomeroadsbynearly75percentusingasimpleopticalillusion.Butstripescalledchevronspaintedontheroadsmakedriversthinkthattheyaredrivingfasterthantheyreallyareandthusdriversslowdown. NowtheAmericanAutomobileAssociationFoundationforTrafficSafetyinWashingtonD.C.isplanningtorepeatJapan’ssuccess.Startingnextyearthefoundationwillpaintchevronsandotherpatternsofstripesonselectedroadsaroundthecountrytotesthowwellthepatternsreducehighwaycrashes. Excessivetoogreatspeedplaysamajorroleinasmuchasonefifthofallfataltrafficaccidentsaccordingtothefoundation.Tohelpreducethoseaccidentsthefoundationwillconductitstestsinareaswherespeed-relatedhazardsdangerarethegreatestcurvesexitslopestrafficcirclesandbridges. Somestudiessuggestthatstraighthorizontalbarspaintedacrossroadscaninitiallycuttheaveragespeedofdriversinhalf.Howevertrafficoftenreturnstofullspeedwithinmonthsasdriversbecomeusedtoseeingthepaintedbars. Chevronsscientistssaynotonlygivedriverstheimpressionthattheyaredrivingfasterthantheyreallyarebutalsomakealaneappeartobenarrower.Theresultisalongerlastingreductioninhighwayspeedandthenumberoftrafficaccidents. Whatdoestheauthorsayaboutstraighthorizontalbarspaintedacrossroads
AcharacteristicofAmericanculturethathasbecomealmostatraditionistorespecttheself-mademan—themanwhohasrisentothetopthroughhisowneffortsusuallybeginningbyworkingwithhishands.WhiletheleaderinbusinessorindustryorthecollegeprofessoroccupiesahighersocialpositionandcommandsgreaterrespectinthecommunitythanthecommonlaboreroreventheskilledfactoryworkerhemaytakepainstopointoutthathisfatherstartedlifeinAmericaasafarmerorlaborerofsomesort. ThisattitudetowardmanuallaborisnowstillseeninmanyaspectsofAmericanlife.Oneisinvitedtodinneratahomethatisnotonlycomfortablybutevenluxuriouslyfurnishedandinwhichthereiseveryevidenceofthefactthatthefamilyhasbeenabletoaffordforeigntravelexpensivehobbiesandcollegeeducationforthechildren;yetthehostessprobablywillcookthedinnerherselfwillserveitherselfandwillwashdishesafterwardfurthermorethedinnerwillnotconsistmerelyofsomethingquicklyandeasilyassembledfromcontentsofvariouscansandacakeorapieboughtatthenearbybakery.Onthecontrarythehostessusuallytakesprideincarefulpreparationofspecialdishes.Aprofessionalmanmaytalkaboutwashingthecardigginginhisflowerbedspaintingthehouse.Hiswifemayevenhelpwiththesethingsjustasheoftenhelpsherwiththedishwashing.Thesonwhoisawayatcollegemaywaitontableandwashdishesforhislivingorduringthesummerhemayworkwithaconstructiongangonahighwayinordertopayforhiseducation. Accordingtothepassagethehostesscooksdinnerherselfmainlybecause
在世妇会期间部分代表参观了红星乡的乡办幼儿园请按以下情况写一篇介绍红星乡幼儿园的文字材料1．红星乡幼儿园创办于1985年80%的孩子来自农民家庭2．刚成立时只有3个教师20个孩子几乎没有什么设备条件很差家长不愿把自己的孩子送到这儿3．在过去的几年中幼儿园发生了巨大的变化新楼代替了土坯房乡里还为幼儿园提供了许多先进设备例如计算机钢琴及电视机等4．孩子人数增长到200教师增长到20多人现在家长们也愿意把自己的孩子送到幼儿园了
英语新课程倡导的学习方式有______合作学习方式和探究学习方式
Itisclearthatsomechemicalscandamagethehealthofanimalsandhumans.1thisisnottheonlyproblemthat2becausedbythecarelessuseofchemicals.Chemicalscanalso3theecologicalbalanceoftheenvironment.Iftheecologicalbalanceisdisturbedtheresultscanbe4serious. The5ofDDTillustratestheproblem.DDTachemicalwhichkillsinsectsatfirstseemedtobeaperfectanswer6manyproblems.Itwouldcontrolinsectsthatcauseddangerousdiseases7insectsthatcausedbillionsofdollarsofdamagetocropseveryyear.Governmentspermittedandeven8theuseofDDT.Farmersinmanycountries9tosprayitontheircrops.The10resultsweregood:Damagetocrops11downandprofitswentup.Howeverthechemicalhadeffectswhichthescientistsdidn’tseein12.Firstitalsokilledinsectswhichwerethe13enemiesoftheharmfulinsectsandwhichwerethereforebeneficialtofarmers.SecondandperhapsworseDDTdidnotkill14harmfulinsect.Afewinsectshadnaturalresistancetothechemical.They15andreproducedinlargenumbers.Inafewyearstherewerelargenumbersofinsectswhichwerenot16byDDTandtherewere17insectswhichcouldactasnatural18onthesenew"super-insects".FinallyitbecameclearthatDDTwasnotsolvingtheinsectproblem.Infactitwasmakingtheproblemworse.It19becamenecessarytofindasecond20fortheeffectsofthefirst. 7
AcharacteristicofAmericanculturethathasbecomealmostatraditionistorespecttheself-mademan—themanwhohasrisentothetopthroughhisowneffortsusuallybeginningbyworkingwithhishands.WhiletheleaderinbusinessorindustryorthecollegeprofessoroccupiesahighersocialpositionandcommandsgreaterrespectinthecommunitythanthecommonlaboreroreventheskilledfactoryworkerhemaytakepainstopointoutthathisfatherstartedlifeinAmericaasafarmerorlaborerofsomesort. ThisattitudetowardmanuallaborisnowstillseeninmanyaspectsofAmericanlife.Oneisinvitedtodinneratahomethatisnotonlycomfortablybutevenluxuriouslyfurnishedandinwhichthereiseveryevidenceofthefactthatthefamilyhasbeenabletoaffordforeigntravelexpensivehobbiesandcollegeeducationforthechildren;yetthehostessprobablywillcookthedinnerherselfwillserveitherselfandwillwashdishesafterwardfurthermorethedinnerwillnotconsistmerelyofsomethingquicklyandeasilyassembledfromcontentsofvariouscansandacakeorapieboughtatthenearbybakery.Onthecontrarythehostessusuallytakesprideincarefulpreparationofspecialdishes.Aprofessionalmanmaytalkaboutwashingthecardigginginhisflowerbedspaintingthehouse.Hiswifemayevenhelpwiththesethingsjustasheoftenhelpsherwiththedishwashing.Thesonwhoisawayatcollegemaywaitontableandwashdishesforhislivingorduringthesummerhemayworkwithaconstructiongangonahighwayinordertopayforhiseducation. Whichofthefollowingmayserveasthebesttitleofthepassage
Itisclearthatsomechemicalscandamagethehealthofanimalsandhumans.1thisisnottheonlyproblemthat2becausedbythecarelessuseofchemicals.Chemicalscanalso3theecologicalbalanceoftheenvironment.Iftheecologicalbalanceisdisturbedtheresultscanbe4serious. The5ofDDTillustratestheproblem.DDTachemicalwhichkillsinsectsatfirstseemedtobeaperfectanswer6manyproblems.Itwouldcontrolinsectsthatcauseddangerousdiseases7insectsthatcausedbillionsofdollarsofdamagetocropseveryyear.Governmentspermittedandeven8theuseofDDT.Farmersinmanycountries9tosprayitontheircrops.The10resultsweregood:Damagetocrops11downandprofitswentup.Howeverthechemicalhadeffectswhichthescientistsdidn’tseein12.Firstitalsokilledinsectswhichwerethe13enemiesoftheharmfulinsectsandwhichwerethereforebeneficialtofarmers.SecondandperhapsworseDDTdidnotkill14harmfulinsect.Afewinsectshadnaturalresistancetothechemical.They15andreproducedinlargenumbers.Inafewyearstherewerelargenumbersofinsectswhichwerenot16byDDTandtherewere17insectswhichcouldactasnatural18onthesenew"super-insects".FinallyitbecameclearthatDDTwasnotsolvingtheinsectproblem.Infactitwasmakingtheproblemworse.It19becamenecessarytofindasecond20fortheeffectsofthefirst. 11
他今天感到身体好多了
Itisclearthatsomechemicalscandamagethehealthofanimalsandhumans.1thisisnottheonlyproblemthat2becausedbythecarelessuseofchemicals.Chemicalscanalso3theecologicalbalanceoftheenvironment.Iftheecologicalbalanceisdisturbedtheresultscanbe4serious. The5ofDDTillustratestheproblem.DDTachemicalwhichkillsinsectsatfirstseemedtobeaperfectanswer6manyproblems.Itwouldcontrolinsectsthatcauseddangerousdiseases7insectsthatcausedbillionsofdollarsofdamagetocropseveryyear.Governmentspermittedandeven8theuseofDDT.Farmersinmanycountries9tosprayitontheircrops.The10resultsweregood:Damagetocrops11downandprofitswentup.Howeverthechemicalhadeffectswhichthescientistsdidn’tseein12.Firstitalsokilledinsectswhichwerethe13enemiesoftheharmfulinsectsandwhichwerethereforebeneficialtofarmers.SecondandperhapsworseDDTdidnotkill14harmfulinsect.Afewinsectshadnaturalresistancetothechemical.They15andreproducedinlargenumbers.Inafewyearstherewerelargenumbersofinsectswhichwerenot16byDDTandtherewere17insectswhichcouldactasnatural18onthesenew"super-insects".FinallyitbecameclearthatDDTwasnotsolvingtheinsectproblem.Infactitwasmakingtheproblemworse.It19becamenecessarytofindasecond20fortheeffectsofthefirst. 9
Believeitornotopticalillusioncancuthighwaycrashes. Japanisacaseinpoint.Ithasreducedautomobilecrashesonsomeroadsbynearly75percentusingasimpleopticalillusion.Butstripescalledchevronspaintedontheroadsmakedriversthinkthattheyaredrivingfasterthantheyreallyareandthusdriversslowdown. NowtheAmericanAutomobileAssociationFoundationforTrafficSafetyinWashingtonD.C.isplanningtorepeatJapan’ssuccess.Startingnextyearthefoundationwillpaintchevronsandotherpatternsofstripesonselectedroadsaroundthecountrytotesthowwellthepatternsreducehighwaycrashes. Excessivetoogreatspeedplaysamajorroleinasmuchasonefifthofallfataltrafficaccidentsaccordingtothefoundation.Tohelpreducethoseaccidentsthefoundationwillconductitstestsinareaswherespeed-relatedhazardsdangerarethegreatestcurvesexitslopestrafficcirclesandbridges. Somestudiessuggestthatstraighthorizontalbarspaintedacrossroadscaninitiallycuttheaveragespeedofdriversinhalf.Howevertrafficoftenreturnstofullspeedwithinmonthsasdriversbecomeusedtoseeingthepaintedbars. Chevronsscientistssaynotonlygivedriverstheimpressionthattheyaredrivingfasterthantheyreallyarebutalsomakealaneappeartobenarrower.Theresultisalongerlastingreductioninhighwayspeedandthenumberoftrafficaccidents. Theadvantageofchevronsoverstraighthorizontalbarsisthattheformer
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