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__参与重庆谈判的主要目的是
AlbertEinsteinoncesaidThewholeofscienceisnothingmorethanarefinementofeverydaythinking. Thefirstthingscientistsmustdoistoaskaquestionoridentifyaproblemtobeinvestigated.46Thenscientistsworkingonthisproblemcollectscientificdataorfactsbymakingobservationsandtakingmeasurementswhichmustbeverifiedorconfirmedbyrepeatedobservationsandmeasurementsideallybyseveraldifferentinvestigators. 47Theprimarygoalofscienceisnotfactsinandofthemselvesbutanewideaprincipleormodelthatconnectsandexplainscertainfactsandleadstousefulpredictionsaboutwhatshouldhappeninnature.Scientistsworkingonaparticularproblemtrytocomeupwithavarietyofpossibleexplanationsorscientifichypothesesofwhattheyorotherscientistsobserveinnature.Thenexperimentsareconductedandrepeatedtobesuretheyarereproducibletotestthedeductionsorpredictionsforeachhypothesissoastoarriveatthemostplausibleorusefulhypothesis. 48Ifmanyexperimentsbydifferentscientistssupportaparticularhypothesisitbecomesascientifictheory―awell-testedandwidelyacceptedideaprincipleormodelthatusuallytiestogetherandexplainsmanyfactsthatpreviouslyappearedtobeunrelated.Convertingascientifichypothesistoascientifictheoryisadifficultprocessoftenrequiringdecadesevenhundredsofyears.Toscientiststheoriesarenottobetakenlightlyfortheyareideasorprinciplesstatedwithahighdegreeofcertaintybecausetheyaresupportedbyagreatdealofevidence. Anotherendresultofscienceisascientificlaw―adescriptionofwhatwefindhappeninginnatureoverandoverinthesamewaywithoutknownexception.Themorecomplexthepartsofnaturescientistsstudythemoredifficultitbecomestodiscoverscientificlaws.49Therearemanyscientificlawsofphysicsandchemistryonlyafewinbiologyandevenfewerandlessreliableonesinfieldsinvolvingcomplexinteractionsofmultiplefactorsvariablessuchasecologyclimatologystudyofclimateandsocialsciencessuchaseconomicsandpolitics. Thescientificprocessrequiresnotonlylogicalreasoningbutalsoimaginationcreativityandintuition.AccordingtophysicistAlbertEinsteinThereisnocompletelylogicalwaytoanewscientificidea.50IntuitionimaginationandcreativityareasimportantinscienceastheyareinpoetryartmusicandothergreatadventuresofthehumanspiritthatawakenustothewondermysteryandbeautyoflifetheEarthandtheuniverse.
It’’saroughworldoutthere.Stepoutsideandyoucouldbreakalegslippingonyourdoormat.Lightupthestoveandyoucouldburndownthehouse.Luckilyifthedoormatorstovefailedtowarnofcomingdisasterasuccessfullawsuitmightcompensateyouforyourtroubles.Orsothethinkinghasgonesincetheearly1980swhenjuriesbeganholdingmorecompaniesliablefortheircustomers’’misfortunes. Feelingthreatenedcompaniesrespondedbywritingever-longerwarninglabelstryingtoanticipateeverypossibleaccident.Todaystepladderscarrylabelsseveralincheslongthatwarnamongotherthingsthatyoumight--surprise!--falloff.Thelabelonachild’’sBatmancapecautionsthatthetoydoesnotenableusertofly. Whilewarningsareoftenappropriateandnecessary--thedangersofdruginteractionsforexample--andmanyarerequiredbystateorfederalregulationsitisn’’tclearthattheyactuallyprotectthemanufacturersandsellersfromliabilityifacustomerisinjured.About50percentofthecompanieslosewheninjuredcustomerstakethemtocourt. Nowthetideappearstobeturning.Aspersonalinjuryclaimscontinueasbeforesomecourtsarebeginningtosidewithdefendantsespeciallyincaseswhereawarninglabelprobablywouldn’’thavechangedanything.InMayJulieNimmonspresidentofSchuttSportsinIllinoissuccessfullyfoughtalawsuitinvolvingafootballplayerwhowasparalyzedinagamewhilewearingaSchutthelmet.We’’rereallysorryhehasbecomeparalyzedbuthelmetsaren’’tdesignedtopreventthosekindsofinjuriessaysNimmons.Thejuryagreedthatthenatureofthegamenotthehelmetwasthereasonfortheathlete’’sinjury.AtthesametimetheAmericanLawInstitute--agroupofjudgelawyersandacademicswhoserecommendationscarrysubstantialweight--issuednewguidelinesfortortlawstatingthatcompaniesneednotwarncustomersofobviousdangersorbombardthemwithalengthylistofpossibleones.ImportantinformationcangetburiedinaseaoftrivialitiessaysalawprofessoratCornellLawSchoolwhohelpeddraftthenewguidelines.Ifthemoderateendofthelegalcommunityhasitswaytheinformationonproductsmightactuallybeprovidedforthebenefitofcustomersandnotasprotectionagainstlegalliability. Whatwerethingslikein1980swhenaccidentshappened
三大战役的胜利最主要的战略意义在于
Thereisageneralexpectationthatteacherscanspottalentedchildrenanddosomethingforthem.Butstudieshave1thatteachersdonotalways2giftedchildreneventhose3academictalent.Infactthey4toidentifyfrom10to50percentoftheirgiftedstudents. Thefirst5inidentifyinggiftedstudentsisdeterminingthe6forfindingthem.Ifwewantto7agroupofstudentsforan8mathematicsclassourapproachwouldbedifferentthan9wearelookingforstudentswithhightalent10acreative-writingprogram.Specificprogramneedsandrequirementsthen11theidentificationprocess. Subjectiveevaluation--teacher12parentreferral--shouldbe13bystandardizedtestsandother14measuresofability.Any15foridentifyinggiftedchildreninaschoolsystemshould16bothsubjectiveandobjectivemethodsof17Classroombehaviorforexamplecanpoint18children’’sabilitytoorganizeandusematerialsandrevealtheirpotentialforprocessinginformationbetterthan19atestsituation.Manyaspectsofcreativityandverbalfluencyarealsobest20inaclassroomorinformalsetting.
人民解放军转入战略进攻的方向为大别山地区主要是由于①大别山战略位置重要②大别山有良好的群众基础③占据大别山可以从根本上改变战局
1946年重庆政治协商会议的召开表明
Thereisageneralexpectationthatteacherscanspottalentedchildrenanddosomethingforthem.Butstudieshave1thatteachersdonotalways2giftedchildreneventhose3academictalent.Infactthey4toidentifyfrom10to50percentoftheirgiftedstudents. Thefirst5inidentifyinggiftedstudentsisdeterminingthe6forfindingthem.Ifwewantto7agroupofstudentsforan8mathematicsclassourapproachwouldbedifferentthan9wearelookingforstudentswithhightalent10acreative-writingprogram.Specificprogramneedsandrequirementsthen11theidentificationprocess. Subjectiveevaluation--teacher12parentreferral--shouldbe13bystandardizedtestsandother14measuresofability.Any15foridentifyinggiftedchildreninaschoolsystemshould16bothsubjectiveandobjectivemethodsof17Classroombehaviorforexamplecanpoint18children’’sabilitytoorganizeandusematerialsandrevealtheirpotentialforprocessinginformationbetterthan19atestsituation.Manyaspectsofcreativityandverbalfluencyarealsobest20inaclassroomorinformalsetting.
WhenIdecidedtoquitmyfulltimeemploymentitneveroccurredtomethatImightbecomeapartofanewinternationaltrend.AlateralmovethathurtmyprideandblockedmyprofessionalprogresspromptedmetoabandonmyrelativelyhighprofilecareeralthoughinthemannerofadisgracedgovernmentministerIcoveredmyexitbyclaimingIwantedtospendmoretimewithmyfamily. Curiouslysometwo-and-a-halfyearsandtwonovelslatermyexperimentinwhattheAmericanstermdownshiftinghasturnedmytiredexcuseintoanabsolutereality.IhavebeentransformedfromapassionateadvocateofthephilosophyofhavingitallpreachedbyLindaKelseyforthepastsevenyearsinthepagesofShemagazineintoawomanwhoishappytosettleforabitofeverything. IhavediscoveredasperhapsKelseywillafterhermuch-publicizedresignationfromtheeditorshipofsheafterabuild-upofstressthatabandoningthedoctrineofjugglingyourlifeandmakingthealternativemoveintodownshiftingbringswithitfargreaterrewardsthanfinancialsuccessandsocialstatus.NothingcouldpersuademetoreturntothekindoflifeKelseyusedtoadvocateandIonceenjoyed:12-hourworkingdayspressureddeadlinesthefearfulstrainofofficepoliticsandthelimitationsofbeingaparentonqualitytime. InAmericathemoveawayfromjugglingtoasimplerlessmaterialisticlifestyleisawell-establishedtrend.Downshifting--alsoknowninAmericaasvoluntarysimplicity--hasironicallyevenbredanewareaofwhatmightbetermedanti-consumerism.Thereareanumberofbestsellingdownshiftingself-helpbooksforpeoplewhowanttosimplifytheirlives;therearenewsletterssuchasTheTightwadGazettethatgivehundredsofthousandsofAmericansusefultipsonanythingfromrecyclingtheircling-filmtomakingtheirownsoap;thereareevensupportgroupsforthosewhowanttoachievethemid-’’90sequivalentofdroppingout. WhileinAmericathetrendstartedasareactiontotheeconomicdecline--afterthemassredundanciescausedbydownsizinginthelate’’80s--andisstilllinkedtothepoliticsofthriftinBritainatleastamongthemiddle-classdownshiftersofmyacquaintancewehavedifferentreasonsforseekingtosimplifyourlives. Forthewomenofmygenerationwhowereurgedtokeepjugglingthroughthe’’80sdownshiftinginthmid-’’90sisnotsomuchasearchforthemythicalgoodlife--growingyourownorganicvegetablesandriskingturningintoone--asapersonalrecognitionofyourlimitations. Jugglingone’’slifeprobablymeanslivingalifecharacterizedby______.
AlbertEinsteinoncesaidThewholeofscienceisnothingmorethanarefinementofeverydaythinking. Thefirstthingscientistsmustdoistoaskaquestionoridentifyaproblemtobeinvestigated.46Thenscientistsworkingonthisproblemcollectscientificdataorfactsbymakingobservationsandtakingmeasurementswhichmustbeverifiedorconfirmedbyrepeatedobservationsandmeasurementsideallybyseveraldifferentinvestigators. 47Theprimarygoalofscienceisnotfactsinandofthemselvesbutanewideaprincipleormodelthatconnectsandexplainscertainfactsandleadstousefulpredictionsaboutwhatshouldhappeninnature.Scientistsworkingonaparticularproblemtrytocomeupwithavarietyofpossibleexplanationsorscientifichypothesesofwhattheyorotherscientistsobserveinnature.Thenexperimentsareconductedandrepeatedtobesuretheyarereproducibletotestthedeductionsorpredictionsforeachhypothesissoastoarriveatthemostplausibleorusefulhypothesis. 48Ifmanyexperimentsbydifferentscientistssupportaparticularhypothesisitbecomesascientifictheory―awell-testedandwidelyacceptedideaprincipleormodelthatusuallytiestogetherandexplainsmanyfactsthatpreviouslyappearedtobeunrelated.Convertingascientifichypothesistoascientifictheoryisadifficultprocessoftenrequiringdecadesevenhundredsofyears.Toscientiststheoriesarenottobetakenlightlyfortheyareideasorprinciplesstatedwithahighdegreeofcertaintybecausetheyaresupportedbyagreatdealofevidence. Anotherendresultofscienceisascientificlaw―adescriptionofwhatwefindhappeninginnatureoverandoverinthesamewaywithoutknownexception.Themorecomplexthepartsofnaturescientistsstudythemoredifficultitbecomestodiscoverscientificlaws.49Therearemanyscientificlawsofphysicsandchemistryonlyafewinbiologyandevenfewerandlessreliableonesinfieldsinvolvingcomplexinteractionsofmultiplefactorsvariablessuchasecologyclimatologystudyofclimateandsocialsciencessuchaseconomicsandpolitics. Thescientificprocessrequiresnotonlylogicalreasoningbutalsoimaginationcreativityandintuition.AccordingtophysicistAlbertEinsteinThereisnocompletelylogicalwaytoanewscientificidea.50IntuitionimaginationandcreativityareasimportantinscienceastheyareinpoetryartmusicandothergreatadventuresofthehumanspiritthatawakenustothewondermysteryandbeautyoflifetheEarthandtheuniverse.
Thereisageneralexpectationthatteacherscanspottalentedchildrenanddosomethingforthem.Butstudieshave1thatteachersdonotalways2giftedchildreneventhose3academictalent.Infactthey4toidentifyfrom10to50percentoftheirgiftedstudents. Thefirst5inidentifyinggiftedstudentsisdeterminingthe6forfindingthem.Ifwewantto7agroupofstudentsforan8mathematicsclassourapproachwouldbedifferentthan9wearelookingforstudentswithhightalent10acreative-writingprogram.Specificprogramneedsandrequirementsthen11theidentificationprocess. Subjectiveevaluation--teacher12parentreferral--shouldbe13bystandardizedtestsandother14measuresofability.Any15foridentifyinggiftedchildreninaschoolsystemshould16bothsubjectiveandobjectivemethodsof17Classroombehaviorforexamplecanpoint18children’’sabilitytoorganizeandusematerialsandrevealtheirpotentialforprocessinginformationbetterthan19atestsituation.Manyaspectsofcreativityandverbalfluencyarealsobest20inaclassroomorinformalsetting.
AreportconsistentlybroughtbackbyvisitorstotheUSishowfriendlycourteousandhelpfulmostAmericansweretothem.TobefairthisobservationisalsofrequentlymadeofCanadaandCanadiansandshouldbestbeconsideredNorthAmerican.Thereareofcourseexceptions.Small-mindedofficialsrudewaitersandill-manneredtaxidriversarehardlyunknownintheUS.Yetitisanobservationmadesofrequentlythatitdeservescomment. Foralongperiodoftimeandinmanypartsofthecountryatravelerwasawelcomebreakinanotherwisedullexistence.Dullnessandlonelinesswerecommonproblemsofthefamilieswhogenerallyliveddistantfromoneanother.Strangersandtravelerswerewelcomesourcesofdiversionandbroughtnewsoftheoutsideworld. Theharshrealitiesofthefrontieralsoshapedthistraditionofhospitality.Someonetravellingaloneifhungryinjuredorilloftenhadnowheretoturnexcepttothenearestcabinorsettlement.Itwasnotamatterofchoiceforthetravelerormerelyacharitableimpulseonthepartofthesettlers.Itreflectedtheharshnessofdailylife:ifyoudidn’’ttakeinthestrangerandtakecareofhimtherewasnooneelsewhowould.Andsomedayrememberyoumightbeinthesamesituation. Todaytherearemanycharitableorganizationswhichspecializeinhelpingthewearytraveler.YettheoldtraditionofhospitalitytostrangersisstillverystrongintheUSespeciallyinthesmallercitiesandtownsawayfromthebusytouristtrails.IwasjusttravelingthroughgottalkingwiththisAmericanandprettysoonheinvitedmehomefordinner―amazing.SuchobservationsreportedbyvisitorstotheUSarenotuncommonbutarenotalwaysunderstoodproperly.ThecasualfriendlinessofmanyAmericansshouldbeinterpretedneitherassuperficialnorasartificialbutastheresultofahistoricallydevelopedculturaltradition. AsistrueofanydevelopedsocietyinAmericaacomplexsetofculturalsignalsassumptionsandconventionsunderliesallsocialinterrelationships.Andofcoursespeakingalanguagedoesnotnecessarilymeanthatsomeoneunderstandssocialandculturalpatterns.Visitorswhofailtotranslateculturalmeaningsproperlyoftendrawwrongconclusions.ForexamplewhenanAmericanusesthewordfriendtheculturalimplicationsofthewordmaybequitedifferentfromthoseithasinthevisitor’’slanguageandculture.Ittakesmorethanabriefencounteronabustodistinguishbetweencourteousconventionandindividualinterest.YetbeingfriendlyisavirtuethatmanyAmericansvaluehighlyandexpectfrombothneighborsandstrangers. Intheeyesofvisitorsfromtheoutsideworld___________.
Ofallthecomponentsofagoodnight’’ssleepdreamsseemtobeleastwithinourcontrol.Indreamsawindowopensintoaworldwherelogicissuspendedanddeadpeoplespeak.AcenturyagoFreudformulatedhisrevolutionarytheorythatdreamswerethedisguisedshadowsofourunconsciousdesiresandfears;bythelate1970sneurologistshadswitchedtothinkingofthemasjustmentalnoise―therandombyproductsoftheneural-repairworkthatgoesonduringsleep.Nowresearcherssuspectthatdreamsarepartofthemind’’semotionalthermostatregulatingmoodswhilethebrainisoff-line.Andoneleadingauthoritysaysthattheseintenselypowerfulmentaleventscanbenotonlyharnessedbutactuallybroughtunderconsciouscontroltohelpussleepandfeelbetter.It’’syourdreamsaysRosalindCartwrightchairofpsychologyatChicago’’sMedicalCenter.Ifyoudon’’tlikeitchangeit. Evidencefrombrainimagingsupportsthisview.ThebrainisasactiveduringREMrapideyemovementsleep―whenmostvividdreamsoccur―asitiswhenfullyawakesaysDr.EricNofzingerattheUniversityofPittsburgh.Butnotallpartsofthebrainareequallyinvolved;thelimbicsystemtheemotionalbrainisespeciallyactivewhiletheprefrontalcortexthecenterofintellectandreasoningisrelativelyquiet.WewakeupfromdreamshappyordepressedandthosefeelingscanstaywithusalldaysaysStanfordsleepresearcherDr.WilliamDement. ThelinkbetweendreamsandemotionsshowsupamongthepatientsinCartwright’’sclinic.Mostpeopleseemtohavemorebaddreamsearlyinthenightprogressingtowardhappieronesbeforeawakeningsuggestingthattheyareworkingthroughnegativefeelingsgeneratedduringtheday.Becauseourconsciousmindisoccupiedwithdailylifewedon’’talwaysthinkabouttheemotionalsignificanceoftheday’’sevents―untilitappearswebegintodream. Andthisprocessneednotbelefttotheunconscious.Cartwrightbelievesonecanexerciseconsciouscontroloverrecurringbaddreams.Assoonasyouawakenidentifywhatisupsettingaboutthedream.Visualizehowyouwouldlikeittoendinstead;thenexttimeitoccurstrytowakeupjustenoughtocontrolitscourse.Withmuchpracticepeoplecanlearntoliterallydoitintheirsleep. Attheendofthedaythere’’sprobablylittlereasontopayattentiontoourdreamsatallunlesstheykeepusfromsleepingorwewakeupinapanicCartwrightsays.Terrorismeconomicuncertaintiesandgeneralfeelingsofinsecurityhaveincreasedpeople’’sanxiety.Thosesufferingfrompersistentnightmaresshouldseekhelpfromatherapist.Fortherestofusthebrainhasitswaysofworkingthroughbadfeelings.Sleeporratherdream―onitandyou’’llfeelbetterinthemorning. Researchershavecometobelievethatdreams
Thereisageneralexpectationthatteacherscanspottalentedchildrenanddosomethingforthem.Butstudieshave1thatteachersdonotalways2giftedchildreneventhose3academictalent.Infactthey4toidentifyfrom10to50percentoftheirgiftedstudents. Thefirst5inidentifyinggiftedstudentsisdeterminingthe6forfindingthem.Ifwewantto7agroupofstudentsforan8mathematicsclassourapproachwouldbedifferentthan9wearelookingforstudentswithhightalent10acreative-writingprogram.Specificprogramneedsandrequirementsthen11theidentificationprocess. Subjectiveevaluation--teacher12parentreferral--shouldbe13bystandardizedtestsandother14measuresofability.Any15foridentifyinggiftedchildreninaschoolsystemshould16bothsubjectiveandobjectivemethodsof17Classroombehaviorforexamplecanpoint18children’’sabilitytoorganizeandusematerialsandrevealtheirpotentialforprocessinginformationbetterthan19atestsituation.Manyaspectsofcreativityandverbalfluencyarealsobest20inaclassroomorinformalsetting.
揭开人民解放军全国性战略进攻序幕的是
抗战胜利后国共关系由合作转为对抗其原因是①国内主要矛盾变化②美国推行扶蒋反共政策③国民党坚持一党__统治④国民党对陕北解放区发动重点进攻
Thereisageneralexpectationthatteacherscanspottalentedchildrenanddosomethingforthem.Butstudieshave1thatteachersdonotalways2giftedchildreneventhose3academictalent.Infactthey4toidentifyfrom10to50percentoftheirgiftedstudents. Thefirst5inidentifyinggiftedstudentsisdeterminingthe6forfindingthem.Ifwewantto7agroupofstudentsforan8mathematicsclassourapproachwouldbedifferentthan9wearelookingforstudentswithhightalent10acreative-writingprogram.Specificprogramneedsandrequirementsthen11theidentificationprocess. Subjectiveevaluation--teacher12parentreferral--shouldbe13bystandardizedtestsandother14measuresofability.Any15foridentifyinggiftedchildreninaschoolsystemshould16bothsubjectiveandobjectivemethodsof17Classroombehaviorforexamplecanpoint18children’’sabilitytoorganizeandusematerialsandrevealtheirpotentialforprocessinginformationbetterthan19atestsituation.Manyaspectsofcreativityandverbalfluencyarealsobest20inaclassroomorinformalsetting.
AlbertEinsteinoncesaidThewholeofscienceisnothingmorethanarefinementofeverydaythinking. Thefirstthingscientistsmustdoistoaskaquestionoridentifyaproblemtobeinvestigated.46Thenscientistsworkingonthisproblemcollectscientificdataorfactsbymakingobservationsandtakingmeasurementswhichmustbeverifiedorconfirmedbyrepeatedobservationsandmeasurementsideallybyseveraldifferentinvestigators. 47Theprimarygoalofscienceisnotfactsinandofthemselvesbutanewideaprincipleormodelthatconnectsandexplainscertainfactsandleadstousefulpredictionsaboutwhatshouldhappeninnature.Scientistsworkingonaparticularproblemtrytocomeupwithavarietyofpossibleexplanationsorscientifichypothesesofwhattheyorotherscientistsobserveinnature.Thenexperimentsareconductedandrepeatedtobesuretheyarereproducibletotestthedeductionsorpredictionsforeachhypothesissoastoarriveatthemostplausibleorusefulhypothesis. 48Ifmanyexperimentsbydifferentscientistssupportaparticularhypothesisitbecomesascientifictheory―awell-testedandwidelyacceptedideaprincipleormodelthatusuallytiestogetherandexplainsmanyfactsthatpreviouslyappearedtobeunrelated.Convertingascientifichypothesistoascientifictheoryisadifficultprocessoftenrequiringdecadesevenhundredsofyears.Toscientiststheoriesarenottobetakenlightlyfortheyareideasorprinciplesstatedwithahighdegreeofcertaintybecausetheyaresupportedbyagreatdealofevidence. Anotherendresultofscienceisascientificlaw―adescriptionofwhatwefindhappeninginnatureoverandoverinthesamewaywithoutknownexception.Themorecomplexthepartsofnaturescientistsstudythemoredifficultitbecomestodiscoverscientificlaws.49Therearemanyscientificlawsofphysicsandchemistryonlyafewinbiologyandevenfewerandlessreliableonesinfieldsinvolvingcomplexinteractionsofmultiplefactorsvariablessuchasecologyclimatologystudyofclimateandsocialsciencessuchaseconomicsandpolitics. Thescientificprocessrequiresnotonlylogicalreasoningbutalsoimaginationcreativityandintuition.AccordingtophysicistAlbertEinsteinThereisnocompletelylogicalwaytoanewscientificidea.50IntuitionimaginationandcreativityareasimportantinscienceastheyareinpoetryartmusicandothergreatadventuresofthehumanspiritthatawakenustothewondermysteryandbeautyoflifetheEarthandtheuniverse. AlbertEinsteinoncesaidThewholeofscienceisnothingmorethanarefinementofeverydaythinking. Thefirstthingscientistsmustdoistoaskaquestionoridentifyaproblemtobeinvestigated.46Thenscientistsworkingonthisproblemcollectscientificdataorfactsbymakingobservationsandtakingmeasurementswhichmustbeverifiedorconfirmedbyrepeatedobservationsandmeasurementsideallybyseveraldifferentinvestigators. 47Theprimarygoalofscienceisnotfactsinandofthemselvesbutanewideaprincipleormodelthatconnectsandexplainscertainfactsandleadstousefulpredictionsaboutwhatshouldhappeninnature.Scientistsworkingonaparticularproblemtrytocomeupwithavarietyofpossibleexplanationsorscientifichypothesesofwhattheyorotherscientistsobserveinnature.Thenexperimentsareconductedandrepeatedtobesuretheyarereproducibletotestthedeductionsorpredictionsforeachhypothesissoastoarriveatthemostplausibleorusefulhypothesis. 48Ifmanyexperimentsbydifferentscientistssupportaparticularhypothesisitbecomesascientifictheory―awell-testedandwidelyacceptedideaprincipleormodelthatusuallytiestogetherandexplainsmanyfactsthatpreviouslyappearedtobeunrelated.Convertingascientifichypothesistoascientifictheoryisadifficultprocessoftenrequiringdecadesevenhundredsofyears.Toscientiststheoriesarenottobetakenlightlyfortheyareideasorprinciplesstatedwithahighdegreeofcertaintybecausetheyaresupportedbyagreatdealofevidence. Anotherendresultofscienceisascientificlaw―adescriptionofwhatwefindhappeninginnatureoverandoverinthesamewaywithoutknownexception.Themorecomplexthepartsofnaturescientistsstudythemoredifficultitbecomestodiscoverscientificlaws.49Therearemanyscientificlawsofphysicsandchemistryonlyafewinbiologyandevenfewerandlessreliableonesinfieldsinvolvingcomplexinteractionsofmultiplefactorsvariablessuchasecologyclimatologystudyofclimateandsocialsciencessuchaseconomicsandpolitics. Thescientificprocessrequiresnotonlylogicalreasoningbutalsoimaginationcreativityandintuition.AccordingtophysicistAlbertEinsteinThereisnocompletelylogicalwaytoanewscientificidea.50IntuitionimaginationandcreativityareasimportantinscienceastheyareinpoetryartmusicandothergreatadventuresofthehumanspiritthatawakenustothewondermysteryandbeautyoflifetheEarthandtheuniverse.
Ofallthecomponentsofagoodnight’’ssleepdreamsseemtobeleastwithinourcontrol.Indreamsawindowopensintoaworldwherelogicissuspendedanddeadpeoplespeak.AcenturyagoFreudformulatedhisrevolutionarytheorythatdreamswerethedisguisedshadowsofourunconsciousdesiresandfears;bythelate1970sneurologistshadswitchedtothinkingofthemasjustmentalnoise―therandombyproductsoftheneural-repairworkthatgoesonduringsleep.Nowresearcherssuspectthatdreamsarepartofthemind’’semotionalthermostatregulatingmoodswhilethebrainisoff-line.Andoneleadingauthoritysaysthattheseintenselypowerfulmentaleventscanbenotonlyharnessedbutactuallybroughtunderconsciouscontroltohelpussleepandfeelbetter.It’’syourdreamsaysRosalindCartwrightchairofpsychologyatChicago’’sMedicalCenter.Ifyoudon’’tlikeitchangeit. Evidencefrombrainimagingsupportsthisview.ThebrainisasactiveduringREMrapideyemovementsleep―whenmostvividdreamsoccur―asitiswhenfullyawakesaysDr.EricNofzingerattheUniversityofPittsburgh.Butnotallpartsofthebrainareequallyinvolved;thelimbicsystemtheemotionalbrainisespeciallyactivewhiletheprefrontalcortexthecenterofintellectandreasoningisrelativelyquiet.WewakeupfromdreamshappyordepressedandthosefeelingscanstaywithusalldaysaysStanfordsleepresearcherDr.WilliamDement. ThelinkbetweendreamsandemotionsshowsupamongthepatientsinCartwright’’sclinic.Mostpeopleseemtohavemorebaddreamsearlyinthenightprogressingtowardhappieronesbeforeawakeningsuggestingthattheyareworkingthroughnegativefeelingsgeneratedduringtheday.Becauseourconsciousmindisoccupiedwithdailylifewedon’’talwaysthinkabouttheemotionalsignificanceoftheday’’sevents―untilitappearswebegintodream. Andthisprocessneednotbelefttotheunconscious.Cartwrightbelievesonecanexerciseconsciouscontroloverrecurringbaddreams.Assoonasyouawakenidentifywhatisupsettingaboutthedream.Visualizehowyouwouldlikeittoendinstead;thenexttimeitoccurstrytowakeupjustenoughtocontrolitscourse.Withmuchpracticepeoplecanlearntoliterallydoitintheirsleep. Attheendofthedaythere’’sprobablylittlereasontopayattentiontoourdreamsatallunlesstheykeepusfromsleepingorwewakeupinapanicCartwrightsays.Terrorismeconomicuncertaintiesandgeneralfeelingsofinsecurityhaveincreasedpeople’’sanxiety.Thosesufferingfrompersistentnightmaresshouldseekhelpfromatherapist.Fortherestofusthebrainhasitswaysofworkingthroughbadfeelings.Sleeporratherdream―onitandyou’’llfeelbetterinthemorning. Thenegativefeelingsgeneratedduringthedaytendto
Thereisageneralexpectationthatteacherscanspottalentedchildrenanddosomethingforthem.Butstudieshave1thatteachersdonotalways2giftedchildreneventhose3academictalent.Infactthey4toidentifyfrom10to50percentoftheirgiftedstudents. Thefirst5inidentifyinggiftedstudentsisdeterminingthe6forfindingthem.Ifwewantto7agroupofstudentsforan8mathematicsclassourapproachwouldbedifferentthan9wearelookingforstudentswithhightalent10acreative-writingprogram.Specificprogramneedsandrequirementsthen11theidentificationprocess. Subjectiveevaluation--teacher12parentreferral--shouldbe13bystandardizedtestsandother14measuresofability.Any15foridentifyinggiftedchildreninaschoolsystemshould16bothsubjectiveandobjectivemethodsof17Classroombehaviorforexamplecanpoint18children’’sabilitytoorganizeandusematerialsandrevealtheirpotentialforprocessinginformationbetterthan19atestsituation.Manyaspectsofcreativityandverbalfluencyarealsobest20inaclassroomorinformalsetting.
Thereisageneralexpectationthatteacherscanspottalentedchildrenanddosomethingforthem.Butstudieshave1thatteachersdonotalways2giftedchildreneventhose3academictalent.Infactthey4toidentifyfrom10to50percentoftheirgiftedstudents. Thefirst5inidentifyinggiftedstudentsisdeterminingthe6forfindingthem.Ifwewantto7agroupofstudentsforan8mathematicsclassourapproachwouldbedifferentthan9wearelookingforstudentswithhightalent10acreative-writingprogram.Specificprogramneedsandrequirementsthen11theidentificationprocess. Subjectiveevaluation--teacher12parentreferral--shouldbe13bystandardizedtestsandother14measuresofability.Any15foridentifyinggiftedchildreninaschoolsystemshould16bothsubjectiveandobjectivemethodsof17Classroombehaviorforexamplecanpoint18children’’sabilitytoorganizeandusematerialsandrevealtheirpotentialforprocessinginformationbetterthan19atestsituation.Manyaspectsofcreativityandverbalfluencyarealsobest20inaclassroomorinformalsetting.
Thereisageneralexpectationthatteacherscanspottalentedchildrenanddosomethingforthem.Butstudieshave1thatteachersdonotalways2giftedchildreneventhose3academictalent.Infactthey4toidentifyfrom10to50percentoftheirgiftedstudents. Thefirst5inidentifyinggiftedstudentsisdeterminingthe6forfindingthem.Ifwewantto7agroupofstudentsforan8mathematicsclassourapproachwouldbedifferentthan9wearelookingforstudentswithhightalent10acreative-writingprogram.Specificprogramneedsandrequirementsthen11theidentificationprocess. Subjectiveevaluation--teacher12parentreferral--shouldbe13bystandardizedtestsandother14measuresofability.Any15foridentifyinggiftedchildreninaschoolsystemshould16bothsubjectiveandobjectivemethodsof17Classroombehaviorforexamplecanpoint18children’’sabilitytoorganizeandusematerialsandrevealtheirpotentialforprocessinginformationbetterthan19atestsituation.Manyaspectsofcreativityandverbalfluencyarealsobest20inaclassroomorinformalsetting.
Thereisageneralexpectationthatteacherscanspottalentedchildrenanddosomethingforthem.Butstudieshave1thatteachersdonotalways2giftedchildreneventhose3academictalent.Infactthey4toidentifyfrom10to50percentoftheirgiftedstudents. Thefirst5inidentifyinggiftedstudentsisdeterminingthe6forfindingthem.Ifwewantto7agroupofstudentsforan8mathematicsclassourapproachwouldbedifferentthan9wearelookingforstudentswithhightalent10acreative-writingprogram.Specificprogramneedsandrequirementsthen11theidentificationprocess. Subjectiveevaluation--teacher12parentreferral--shouldbe13bystandardizedtestsandother14measuresofability.Any15foridentifyinggiftedchildreninaschoolsystemshould16bothsubjectiveandobjectivemethodsof17Classroombehaviorforexamplecanpoint18children’’sabilitytoorganizeandusematerialsandrevealtheirpotentialforprocessinginformationbetterthan19atestsituation.Manyaspectsofcreativityandverbalfluencyarealsobest20inaclassroomorinformalsetting.
It’’saroughworldoutthere.Stepoutsideandyoucouldbreakalegslippingonyourdoormat.Lightupthestoveandyoucouldburndownthehouse.Luckilyifthedoormatorstovefailedtowarnofcomingdisasterasuccessfullawsuitmightcompensateyouforyourtroubles.Orsothethinkinghasgonesincetheearly1980swhenjuriesbeganholdingmorecompaniesliablefortheircustomers’’misfortunes. Feelingthreatenedcompaniesrespondedbywritingever-longerwarninglabelstryingtoanticipateeverypossibleaccident.Todaystepladderscarrylabelsseveralincheslongthatwarnamongotherthingsthatyoumight--surprise!--falloff.Thelabelonachild’’sBatmancapecautionsthatthetoydoesnotenableusertofly. Whilewarningsareoftenappropriateandnecessary--thedangersofdruginteractionsforexample--andmanyarerequiredbystateorfederalregulationsitisn’’tclearthattheyactuallyprotectthemanufacturersandsellersfromliabilityifacustomerisinjured.About50percentofthecompanieslosewheninjuredcustomerstakethemtocourt. Nowthetideappearstobeturning.Aspersonalinjuryclaimscontinueasbeforesomecourtsarebeginningtosidewithdefendantsespeciallyincaseswhereawarninglabelprobablywouldn’’thavechangedanything.InMayJulieNimmonspresidentofSchuttSportsinIllinoissuccessfullyfoughtalawsuitinvolvingafootballplayerwhowasparalyzedinagamewhilewearingaSchutthelmet.We’’rereallysorryhehasbecomeparalyzedbuthelmetsaren’’tdesignedtopreventthosekindsofinjuriessaysNimmons.Thejuryagreedthatthenatureofthegamenotthehelmetwasthereasonfortheathlete’’sinjury.AtthesametimetheAmericanLawInstitute--agroupofjudgelawyersandacademicswhoserecommendationscarrysubstantialweight--issuednewguidelinesfortortlawstatingthatcompaniesneednotwarncustomersofobviousdangersorbombardthemwithalengthylistofpossibleones.ImportantinformationcangetburiedinaseaoftrivialitiessaysalawprofessoratCornellLawSchoolwhohelpeddraftthenewguidelines.Ifthemoderateendofthelegalcommunityhasitswaytheinformationonproductsmightactuallybeprovidedforthebenefitofcustomersandnotasprotectionagainstlegalliability. TheeaseofSchutthelmetdemonstratedthat____________.
WhenIdecidedtoquitmyfulltimeemploymentitneveroccurredtomethatImightbecomeapartofanewinternationaltrend.AlateralmovethathurtmyprideandblockedmyprofessionalprogresspromptedmetoabandonmyrelativelyhighprofilecareeralthoughinthemannerofadisgracedgovernmentministerIcoveredmyexitbyclaimingIwantedtospendmoretimewithmyfamily. Curiouslysometwo-and-a-halfyearsandtwonovelslatermyexperimentinwhattheAmericanstermdownshiftinghasturnedmytiredexcuseintoanabsolutereality.IhavebeentransformedfromapassionateadvocateofthephilosophyofhavingitallpreachedbyLindaKelseyforthepastsevenyearsinthepagesofShemagazineintoawomanwhoishappytosettleforabitofeverything. IhavediscoveredasperhapsKelseywillafterhermuch-publicizedresignationfromtheeditorshipofsheafterabuild-upofstressthatabandoningthedoctrineofjugglingyourlifeandmakingthealternativemoveintodownshiftingbringswithitfargreaterrewardsthanfinancialsuccessandsocialstatus.NothingcouldpersuademetoreturntothekindoflifeKelseyusedtoadvocateandIonceenjoyed:12-hourworkingdayspressureddeadlinesthefearfulstrainofofficepoliticsandthelimitationsofbeingaparentonqualitytime. InAmericathemoveawayfromjugglingtoasimplerlessmaterialisticlifestyleisawell-establishedtrend.Downshifting--alsoknowninAmericaasvoluntarysimplicity--hasironicallyevenbredanewareaofwhatmightbetermedanti-consumerism.Thereareanumberofbestsellingdownshiftingself-helpbooksforpeoplewhowanttosimplifytheirlives;therearenewsletterssuchasTheTightwadGazettethatgivehundredsofthousandsofAmericansusefultipsonanythingfromrecyclingtheircling-filmtomakingtheirownsoap;thereareevensupportgroupsforthosewhowanttoachievethemid-’’90sequivalentofdroppingout. WhileinAmericathetrendstartedasareactiontotheeconomicdecline--afterthemassredundanciescausedbydownsizinginthelate’’80s--andisstilllinkedtothepoliticsofthriftinBritainatleastamongthemiddle-classdownshiftersofmyacquaintancewehavedifferentreasonsforseekingtosimplifyourlives. Forthewomenofmygenerationwhowereurgedtokeepjugglingthroughthe’’80sdownshiftinginthmid-’’90sisnotsomuchasearchforthemythicalgoodlife--growingyourownorganicvegetablesandriskingturningintoone--asapersonalrecognitionofyourlimitations. Whichofthefollowingistrueaccordingtoparagraph1
重庆谈判签署的文件是
AreportconsistentlybroughtbackbyvisitorstotheUSishowfriendlycourteousandhelpfulmostAmericansweretothem.TobefairthisobservationisalsofrequentlymadeofCanadaandCanadiansandshouldbestbeconsideredNorthAmerican.Thereareofcourseexceptions.Small-mindedofficialsrudewaitersandill-manneredtaxidriversarehardlyunknownintheUS.Yetitisanobservationmadesofrequentlythatitdeservescomment. Foralongperiodoftimeandinmanypartsofthecountryatravelerwasawelcomebreakinanotherwisedullexistence.Dullnessandlonelinesswerecommonproblemsofthefamilieswhogenerallyliveddistantfromoneanother.Strangersandtravelerswerewelcomesourcesofdiversionandbroughtnewsoftheoutsideworld. Theharshrealitiesofthefrontieralsoshapedthistraditionofhospitality.Someonetravellingaloneifhungryinjuredorilloftenhadnowheretoturnexcepttothenearestcabinorsettlement.Itwasnotamatterofchoiceforthetravelerormerelyacharitableimpulseonthepartofthesettlers.Itreflectedtheharshnessofdailylife:ifyoudidn’’ttakeinthestrangerandtakecareofhimtherewasnooneelsewhowould.Andsomedayrememberyoumightbeinthesamesituation. Todaytherearemanycharitableorganizationswhichspecializeinhelpingthewearytraveler.YettheoldtraditionofhospitalitytostrangersisstillverystrongintheUSespeciallyinthesmallercitiesandtownsawayfromthebusytouristtrails.IwasjusttravelingthroughgottalkingwiththisAmericanandprettysoonheinvitedmehomefordinner―amazing.SuchobservationsreportedbyvisitorstotheUSarenotuncommonbutarenotalwaysunderstoodproperly.ThecasualfriendlinessofmanyAmericansshouldbeinterpretedneitherassuperficialnorasartificialbutastheresultofahistoricallydevelopedculturaltradition. AsistrueofanydevelopedsocietyinAmericaacomplexsetofculturalsignalsassumptionsandconventionsunderliesallsocialinterrelationships.Andofcoursespeakingalanguagedoesnotnecessarilymeanthatsomeoneunderstandssocialandculturalpatterns.Visitorswhofailtotranslateculturalmeaningsproperlyoftendrawwrongconclusions.ForexamplewhenanAmericanusesthewordfriendtheculturalimplicationsofthewordmaybequitedifferentfromthoseithasinthevisitor’’slanguageandculture.Ittakesmorethanabriefencounteronabustodistinguishbetweencourteousconventionandindividualinterest.YetbeingfriendlyisavirtuethatmanyAmericansvaluehighlyandexpectfrombothneighborsandstrangers. Familiesinfrontiersettlementsusedtoentertainstrangers___________.
Thereisageneralexpectationthatteacherscanspottalentedchildrenanddosomethingforthem.Butstudieshave1thatteachersdonotalways2giftedchildreneventhose3academictalent.Infactthey4toidentifyfrom10to50percentoftheirgiftedstudents. Thefirst5inidentifyinggiftedstudentsisdeterminingthe6forfindingthem.Ifwewantto7agroupofstudentsforan8mathematicsclassourapproachwouldbedifferentthan9wearelookingforstudentswithhightalent10acreative-writingprogram.Specificprogramneedsandrequirementsthen11theidentificationprocess. Subjectiveevaluation--teacher12parentreferral--shouldbe13bystandardizedtestsandother14measuresofability.Any15foridentifyinggiftedchildreninaschoolsystemshould16bothsubjectiveandobjectivemethodsof17Classroombehaviorforexamplecanpoint18children’’sabilitytoorganizeandusematerialsandrevealtheirpotentialforprocessinginformationbetterthan19atestsituation.Manyaspectsofcreativityandverbalfluencyarealsobest20inaclassroomorinformalsetting.
三大战役中关门打狗的战役是指
Ofallthecomponentsofagoodnight’’ssleepdreamsseemtobeleastwithinourcontrol.Indreamsawindowopensintoaworldwherelogicissuspendedanddeadpeoplespeak.AcenturyagoFreudformulatedhisrevolutionarytheorythatdreamswerethedisguisedshadowsofourunconsciousdesiresandfears;bythelate1970sneurologistshadswitchedtothinkingofthemasjustmentalnoise―therandombyproductsoftheneural-repairworkthatgoesonduringsleep.Nowresearcherssuspectthatdreamsarepartofthemind’’semotionalthermostatregulatingmoodswhilethebrainisoff-line.Andoneleadingauthoritysaysthattheseintenselypowerfulmentaleventscanbenotonlyharnessedbutactuallybroughtunderconsciouscontroltohelpussleepandfeelbetter.It’’syourdreamsaysRosalindCartwrightchairofpsychologyatChicago’’sMedicalCenter.Ifyoudon’’tlikeitchangeit. Evidencefrombrainimagingsupportsthisview.ThebrainisasactiveduringREMrapideyemovementsleep―whenmostvividdreamsoccur―asitiswhenfullyawakesaysDr.EricNofzingerattheUniversityofPittsburgh.Butnotallpartsofthebrainareequallyinvolved;thelimbicsystemtheemotionalbrainisespeciallyactivewhiletheprefrontalcortexthecenterofintellectandreasoningisrelativelyquiet.WewakeupfromdreamshappyordepressedandthosefeelingscanstaywithusalldaysaysStanfordsleepresearcherDr.WilliamDement. ThelinkbetweendreamsandemotionsshowsupamongthepatientsinCartwright’’sclinic.Mostpeopleseemtohavemorebaddreamsearlyinthenightprogressingtowardhappieronesbeforeawakeningsuggestingthattheyareworkingthroughnegativefeelingsgeneratedduringtheday.Becauseourconsciousmindisoccupiedwithdailylifewedon’’talwaysthinkabouttheemotionalsignificanceoftheday’’sevents―untilitappearswebegintodream. Andthisprocessneednotbelefttotheunconscious.Cartwrightbelievesonecanexerciseconsciouscontroloverrecurringbaddreams.Assoonasyouawakenidentifywhatisupsettingaboutthedream.Visualizehowyouwouldlikeittoendinstead;thenexttimeitoccurstrytowakeupjustenoughtocontrolitscourse.Withmuchpracticepeoplecanlearntoliterallydoitintheirsleep. Attheendofthedaythere’’sprobablylittlereasontopayattentiontoourdreamsatallunlesstheykeepusfromsleepingorwewakeupinapanicCartwrightsays.Terrorismeconomicuncertaintiesandgeneralfeelingsofinsecurityhaveincreasedpeople’’sanxiety.Thosesufferingfrompersistentnightmaresshouldseekhelpfromatherapist.Fortherestofusthebrainhasitswaysofworkingthroughbadfeelings.Sleeporratherdream―onitandyou’’llfeelbetterinthemorning. WhatadvicemightCartwrightgivetothosewhosometimeshavebaddreams
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