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豌豆花的腋生和顶生受一对基因B、b控制。下列是几组杂交实验结果： 杂交组合 亲本表现型 后代 腋生 顶生 一 顶生×顶生 0 804 二 腋生×腋生 651 270 三 顶生×腋生 295 2...
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现提供纯种的子叶黄色Y叶腋花H和子叶绿色茎顶花的豌豆已知黄色和绿色这对性状受一对位于某同源染色体上的
豌豆花的腋生和顶生受一对基因Bb控制下列是几组杂交实验结果杂交组合亲本表现型后代腋生顶生一顶生×顶生
豌豆花的顶生和腋生是一对相对性状根据下表中的三组杂交实验结果判断显性性状和纯合子分别为
顶生；甲、乙
腋生；甲、丁
顶生；丙、丁
腋生；甲、丙
豌豆花的顶生和腋生是一对相对性状根据下表中的三组杂交实验结果判断显性性状和纯合子分别为杂交组合子代表
顶生；甲、乙
腋生；甲、丁
顶生；丙、丁
腋生；甲、丙
08北京崇文二模18分植株甲为黄色豆荚aa绿色子叶bb的纯种豌豆植株乙为绿色豆荚AA黄色子叶BB的纯
在进行豌豆杂交实验时孟德尔选择的一对相对性状是花的腋生和顶生豌豆花腋生Y对顶生y为显性如图是孟德尔用
①和②都是花腋生、③是花顶生
③的花着生方式与F.1相同
①②③都是花腋生
①和②都是花顶生、③是花腋生
豌豆花的顶生和腋生是一对相对性状根据下表中的三组杂交实验结果判断显性性状和纯合子分别为
腋生；丁
顶生；甲
顶生；丙、丁
腋生；甲、丁
豌豆的花顶生和腋生是一对相对性状这对相对性状由等位基因A.a控制下表是豌豆花位置的二个组合的遗传实验
豌豆花的腋生和顶生受一对基因Bb控制下列是几组杂交实验结果杂交组合亲本表现型后代腋生顶生一顶生×顶生
豌豆花的顶生和腋生是一对相对性状根据下表中的三组杂交实验结果判断显性性状和纯合子分别为杂交组合子代表
顶生；甲、乙
腋生；甲、丁
顶生；丙、丁
腋生；甲、丙
豌豆的高茎和矮茎为一对相对性状由等位基因Tt控制顶生花和腋生花为一对相对性状由等位基因A.a控制高茎
豌豆花的顶生和腋生是一对相对性状根据下表中的三组杂交实验结果判断显性性状和纯合子分别为
顶生；甲、乙
腋生；甲、丁
顶生；丙、丁
腋生；甲、丙
豌豆花的腋生和顶生受一对基因Bb控制下列是几组杂交实验结果杂交组合亲本表现型后代腋生顶生一顶生×顶生
豌豆花的顶生和腋生是一对相对性状根据下表中的三组杂交实验结果判断显性性状和纯合子分别为杂交组合子代表
顶生；甲、乙
腋生；甲、丁
顶生；丙、丁
腋生；甲、丙
为研究豌豆的高茎与矮茎和花的顶生与腋生性状的遗传规律设计了两组纯种豌豆杂交的实验根据图示不能得出的结
豌豆茎的高度由细胞核基因控制
花的着生位置由细胞核基因控制
子一代所有个体的基因型相同
该实验中亲代的腋生花都需作去雄处理
12.00分豌豆花腋生对顶生为显性受一对基因Bb控制下列是几组杂交实验结果．根据以上实验结果分析回答
豌豆花的顶生和腋生是一对相对性状根据下表中的三组杂交实验结果判断显性性状和纯合子分别为
顶生；甲、乙
腋生；甲、丁
顶生；丙、丁
腋生；甲、丙
豌豆花的腋生和顶生受一对基因Bb控制下列是几组杂交实验结果杂交组合亲本表现型后代腋生顶生一顶生×顶生
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下列各组词语有两个错别字的一组是
下列各句中加点的成语使用恰当的一句是
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Writethearticle.Runforclasses.Haven’tfinishedthereadings.Housecleaning.Assignmentto16intwohours.Outofbreathtimeandstilllate.That’sbeenmeforthepastthreeweeks.Andthenyesterdayasmyfingers17hitthekeyboardI18tolookoutside.ThroughthehalfopenblindsofmykitchenwindowIcaughtthebrightglow光线ofsunshine19throughthefreshlycleanedairandshining20theyellow-greenleavesofatree.Itcouldhavebeenthefourdaysofcontinualrainandgraygloomyskiesormyownself21endlessactivity.Idon’tknowwhatitwas22Ijustsattherelookingatthedancingsunrays.Nota23inmyhead.Nocrowdedfeelingsofapproachingworkorpeopleorevenfriends.Justwatching.Ifeltmybody24.Andafteralongtime...feltcalm.Thebreakpassed.Iwentbacktomy25.Butsomethingabouttherhythmoftheday26Itwasthedifferencebetweenrushingtocatchthebusandridingonyourownhorse.LaterthateveningI27howwe’dcometoinhabit居住aplacewhererestandmomentsofpeaceweremeanstobe28.Ifyouweren’ttiredoutoverworkedorwellnear29—youdidn’t30toenjoymomentsofpeace.31meofthepoemLeisurewrittenbyW.H.Daviesintheearly20thcentury.ItismoreMore32todaythaneverbefore.Notimetostandbeneaththeboughs树干Andstareaslongassheepandcows.NotimetoseethewoodswepassWheresquirrelshidetheirnutsingrass.Andthenwe’re33astowhyasacreaturewe’resoupset.Ifwecan’tbe34withourselveshowcanwehopetofindacommon35wecaninhabitwithothersⅡ．完形填空/Cloze
Writethearticle.Runforclasses.Haven’tfinishedthereadings.Housecleaning.Assignmentto16intwohours.Outofbreathtimeandstilllate.That’sbeenmeforthepastthreeweeks.Andthenyesterdayasmyfingers17hitthekeyboardI18tolookoutside.ThroughthehalfopenblindsofmykitchenwindowIcaughtthebrightglow光线ofsunshine19throughthefreshlycleanedairandshining20theyellow-greenleavesofatree.Itcouldhavebeenthefourdaysofcontinualrainandgraygloomyskiesormyownself21endlessactivity.Idon’tknowwhatitwas22Ijustsattherelookingatthedancingsunrays.Nota23inmyhead.Nocrowdedfeelingsofapproachingworkorpeopleorevenfriends.Justwatching.Ifeltmybody24.Andafteralongtime...feltcalm.Thebreakpassed.Iwentbacktomy25.Butsomethingabouttherhythmoftheday26Itwasthedifferencebetweenrushingtocatchthebusandridingonyourownhorse.LaterthateveningI27howwe’dcometoinhabit居住aplacewhererestandmomentsofpeaceweremeanstobe28.Ifyouweren’ttiredoutoverworkedorwellnear29—youdidn’t30toenjoymomentsofpeace.31meofthepoemLeisurewrittenbyW.H.Daviesintheearly20thcentury.ItismoreMore32todaythaneverbefore.Notimetostandbeneaththeboughs树干Andstareaslongassheepandcows.NotimetoseethewoodswepassWheresquirrelshidetheirnutsingrass.Andthenwe’re33astowhyasacreaturewe’resoupset.Ifwecan’tbe34withourselveshowcanwehopetofindacommon35wecaninhabitwithothersⅡ．完形填空/Cloze
Writethearticle.Runforclasses.Haven’tfinishedthereadings.Housecleaning.Assignmentto16intwohours.Outofbreathtimeandstilllate.That’sbeenmeforthepastthreeweeks.Andthenyesterdayasmyfingers17hitthekeyboardI18tolookoutside.ThroughthehalfopenblindsofmykitchenwindowIcaughtthebrightglow光线ofsunshine19throughthefreshlycleanedairandshining20theyellow-greenleavesofatree.Itcouldhavebeenthefourdaysofcontinualrainandgraygloomyskiesormyownself21endlessactivity.Idon’tknowwhatitwas22Ijustsattherelookingatthedancingsunrays.Nota23inmyhead.Nocrowdedfeelingsofapproachingworkorpeopleorevenfriends.Justwatching.Ifeltmybody24.Andafteralongtime...feltcalm.Thebreakpassed.Iwentbacktomy25.Butsomethingabouttherhythmoftheday26Itwasthedifferencebetweenrushingtocatchthebusandridingonyourownhorse.LaterthateveningI27howwe’dcometoinhabit居住aplacewhererestandmomentsofpeaceweremeanstobe28.Ifyouweren’ttiredoutoverworkedorwellnear29—youdidn’t30toenjoymomentsofpeace.31meofthepoemLeisurewrittenbyW.H.Daviesintheearly20thcentury.ItismoreMore32todaythaneverbefore.Notimetostandbeneaththeboughs树干Andstareaslongassheepandcows.NotimetoseethewoodswepassWheresquirrelshidetheirnutsingrass.Andthenwe’re33astowhyasacreaturewe’resoupset.Ifwecan’tbe34withourselveshowcanwehopetofindacommon35wecaninhabitwithothersⅡ．完形填空/Cloze
Writethearticle.Runforclasses.Haven’tfinishedthereadings.Housecleaning.Assignmentto16intwohours.Outofbreathtimeandstilllate.That’sbeenmeforthepastthreeweeks.Andthenyesterdayasmyfingers17hitthekeyboardI18tolookoutside.ThroughthehalfopenblindsofmykitchenwindowIcaughtthebrightglow光线ofsunshine19throughthefreshlycleanedairandshining20theyellow-greenleavesofatree.Itcouldhavebeenthefourdaysofcontinualrainandgraygloomyskiesormyownself21endlessactivity.Idon’tknowwhatitwas22Ijustsattherelookingatthedancingsunrays.Nota23inmyhead.Nocrowdedfeelingsofapproachingworkorpeopleorevenfriends.Justwatching.Ifeltmybody24.Andafteralongtime...feltcalm.Thebreakpassed.Iwentbacktomy25.Butsomethingabouttherhythmoftheday26Itwasthedifferencebetweenrushingtocatchthebusandridingonyourownhorse.LaterthateveningI27howwe’dcometoinhabit居住aplacewhererestandmomentsofpeaceweremeanstobe28.Ifyouweren’ttiredoutoverworkedorwellnear29—youdidn’t30toenjoymomentsofpeace.31meofthepoemLeisurewrittenbyW.H.Daviesintheearly20thcentury.ItismoreMore32todaythaneverbefore.Notimetostandbeneaththeboughs树干Andstareaslongassheepandcows.NotimetoseethewoodswepassWheresquirrelshidetheirnutsingrass.Andthenwe’re33astowhyasacreaturewe’resoupset.Ifwecan’tbe34withourselveshowcanwehopetofindacommon35wecaninhabitwithothersⅡ．完形填空/Cloze
Writethearticle.Runforclasses.Haven’tfinishedthereadings.Housecleaning.Assignmentto16intwohours.Outofbreathtimeandstilllate.That’sbeenmeforthepastthreeweeks.Andthenyesterdayasmyfingers17hitthekeyboardI18tolookoutside.ThroughthehalfopenblindsofmykitchenwindowIcaughtthebrightglow光线ofsunshine19throughthefreshlycleanedairandshining20theyellow-greenleavesofatree.Itcouldhavebeenthefourdaysofcontinualrainandgraygloomyskiesormyownself21endlessactivity.Idon’tknowwhatitwas22Ijustsattherelookingatthedancingsunrays.Nota23inmyhead.Nocrowdedfeelingsofapproachingworkorpeopleorevenfriends.Justwatching.Ifeltmybody24.Andafteralongtime...feltcalm.Thebreakpassed.Iwentbacktomy25.Butsomethingabouttherhythmoftheday26Itwasthedifferencebetweenrushingtocatchthebusandridingonyourownhorse.LaterthateveningI27howwe’dcometoinhabit居住aplacewhererestandmomentsofpeaceweremeanstobe28.Ifyouweren’ttiredoutoverworkedorwellnear29—youdidn’t30toenjoymomentsofpeace.31meofthepoemLeisurewrittenbyW.H.Daviesintheearly20thcentury.ItismoreMore32todaythaneverbefore.Notimetostandbeneaththeboughs树干Andstareaslongassheepandcows.NotimetoseethewoodswepassWheresquirrelshidetheirnutsingrass.Andthenwe’re33astowhyasacreaturewe’resoupset.Ifwecan’tbe34withourselveshowcanwehopetofindacommon35wecaninhabitwithothersⅡ．完形填空/Cloze
Writethearticle.Runforclasses.Haven’tfinishedthereadings.Housecleaning.Assignmentto16intwohours.Outofbreathtimeandstilllate.That’sbeenmeforthepastthreeweeks.Andthenyesterdayasmyfingers17hitthekeyboardI18tolookoutside.ThroughthehalfopenblindsofmykitchenwindowIcaughtthebrightglow光线ofsunshine19throughthefreshlycleanedairandshining20theyellow-greenleavesofatree.Itcouldhavebeenthefourdaysofcontinualrainandgraygloomyskiesormyownself21endlessactivity.Idon’tknowwhatitwas22Ijustsattherelookingatthedancingsunrays.Nota23inmyhead.Nocrowdedfeelingsofapproachingworkorpeopleorevenfriends.Justwatching.Ifeltmybody24.Andafteralongtime...feltcalm.Thebreakpassed.Iwentbacktomy25.Butsomethingabouttherhythmoftheday26Itwasthedifferencebetweenrushingtocatchthebusandridingonyourownhorse.LaterthateveningI27howwe’dcometoinhabit居住aplacewhererestandmomentsofpeaceweremeanstobe28.Ifyouweren’ttiredoutoverworkedorwellnear29—youdidn’t30toenjoymomentsofpeace.31meofthepoemLeisurewrittenbyW.H.Daviesintheearly20thcentury.ItismoreMore32todaythaneverbefore.Notimetostandbeneaththeboughs树干Andstareaslongassheepandcows.NotimetoseethewoodswepassWheresquirrelshidetheirnutsingrass.Andthenwe’re33astowhyasacreaturewe’resoupset.Ifwecan’tbe34withourselveshowcanwehopetofindacommon35wecaninhabitwithothersⅡ．完形填空/Cloze
Anewsetofbrainimagesshows:ReadingtheRomanalphabetsandChinesecharactersusesdifferentpartsofthebrain.TheresultsalsosuggestthatChineseschoolchildrenhavereadingproblemsinadifferentpartofthebrainusedinreadingalphabet-basedlanguages.Thisshowsthatthelearningdisorderdyslexiainabilitytoreadproperlyisnotthesameinverycultureanddoesnothaveauniversalbiologicalcause.Scientistsdescribedtheresultsasveryimportantandrevolutionary.WhiledyslexiahascertaincommonrootstheysaidtheynowhavesomeproofthatthiskindoffunctionalproblemworksdifferentlyaccordingtothedifferentdemandsthatWesternandEasternlanguagesplaceonthebrain.Dyslexiaisacommondevelopmentaldisorderinwhichpeopleofnormalintelligencehavedifficultylearningtoreadspellandmasterotherlanguageskills.Theresultssuggestthattreatingdyslexiaaroundtheworldprobablywillrequiredifferenttreatments.ReadingiscomplexsaidGuinevereEdenGeorgetownUniversityprofessor.Thisshowsweneedtobemoreopen-mindedaboutdiversetreatmentapproaches.Itsoriginsarecomplex.Thereappearstobeageneticaspecttotheillness.Italsomayresultfrombraininjurybeforebirththatchangesvisualandhearingpathwaysinthebrain.EarlierbrainscansshowthatEnglish-readingdyslexicsdon’tfunctionproperlyinaleftpartofthebrainassociatedwiththeawarenessof44soundsfromtheEnglishalphabets.HoweveraccordingtothenewstudyreadingChineseusessomedifferentpartsofthebrainlocatedintheleft-frontofthebrain.Itisassociatedwithsymbolinterpretation.UnlikealphabetlettersChinesecharactersrepresententirethoughtsandphysicalobjects.TitleDyslexiaDefinitionalearning56inwhichpeopleofaverageIQfindit57tolearntoreadandacquireotherlanguageskillsOriginsGeneticcausesorbrain58beforebirthwhichaffects59andhearingabilitiesFindingoftheearlierstudy60readingdyslexicsdon’tfunctionproperlyinaleftpartofthebrainDiscoveryofthenewstudyReadingChineseusesthe61partofthebrainConclusionReadingRomanalphabetsandreadingChinesecharactersplacedifferent62onthebrain.Dyslexiaisnotthesameinevery63anddoesnothavethesame64roots.65Dyslexianeedstobetreatedindifferentways
Thepolicefiredteargasandarrestedmorethan5000passivelyresistingprotestorsFridayinanattempttobreakupthelargestantinucleardemonstrationeverstagedintheUnitedStates.Morethan135000demonstratorsconfrontedthepoliceontheconstructionsiteofa1000-megawattnuclearpowerplantscheduledtoprovidepowertomostofsouthernNewHampshire.Organizersofthehugedemonstrationsaidthattheprotestwascontinuingdespitethepoliceactions.Moredemonstratorswerearrivingtokeepupthepressureonstateauthoritiestocanceltheproject.Thedemonstratorhadchargedthattheprojectwasunsafeinthedenselypopulatedareawouldcreatethermalpollutioninthebayandhadnoacceptablemeansfordisposingofitsradioactivewasters.Thedemonstrationswouldgoonuntilthejailsandthecourtsweresooverloadedthatthestatejudicialsystemwouldcollapse.GovernorStanforthThumperinsistedthattherewouldbenoreconsiderationofthepowerprojectandnodelayinitsconstructionsetforcompletioninthreeyears.Thisprojectwillbeginontimeandthepeopleofthisstatewillbegintoreceiveitsbenefitsonschedule.Thosewhobreakthelawinmisguidedattemptstosabotagetheprojectwillbedealtwithaccordingtothelawhesaid.Andthepolicecalledinreinforcementsfromalloverthestatetohandlethedisturbances.TheprotestsbeganbeforedawnFridaywhenseveralthousanddemonstratorsbrokethroughthepolicelinesaroundthecordoned-offconstructionsite.TheycarriedplacardsthatreadNoNukesisGoodNukesSunpowerNotNuclearPowerandStopPrivateProfitsfromPublicPeril.Theydefiedpoliceordertomovefromthearea.Teargascanistersfiredbythepolicefailedtodislodgetheprotestorswhohadbeenpreparedwiththeirowngasmasksorfacecloths.Finallythegas-maskedandhelmetedpolicechargedintothecrowdtodragoffthedemonstratorsonebyone.Theprotestorsdidnotresistthepolicebutrefusedtowalkawayundertheirownpower.Thosearrestedwouldbechargedwithunlawfulassemblytrespassinganddisturbingthepeace.Withwhomwerethejailsandcourtsoverloaded
Howmuchdidyou______fixingtheTV
EducatorsareseriouslyconcernedaboutthehighrateofdropoutsamongthedoctorofphilosophycandidatesandtheconsequentlossoftalenttoanationinneedofPhDs.Somehaveplacedthedropoutslossashighas50percent.Theextentofthelosswashoweverlargelyamatterofexpertguessing.Lastweekawell-roundedstudywaspublished.Itwasbasedon22000questionnairessenttoformergraduatestudentswhowereenrolledin24universitiesanditseemedtoshowmanypastfearstobegroundless.Thedropoutsratewasfoundtobe31percentandinmostcasesthedropoutswhilenotcompletingthePhDrequirementwentontoproductivework.Theyarenotonlydoingwellfinanciallybutaccordingtothereportarenotfarbelowtheincomelevelsofthosewhowentontocompletetheirdoctorates.DiscussingthestudylastweekDr.TuckersaidtheprojectwasinitiatedbecauseoftheconcernfrequentlyexpressedbygraduatefacultiesandadministratorsthatsomeoftheindividualswhodroppedoutofPhDprogramswerecapableofcompletingtherequirementforthedegree.AttritionatthePhDlevelisalsothoughttobeawasteofpreciousfacultytimeandadrainonuniversityresourcesalreadybeingusedtocapacity.SomepeopleexpressedtheopinionthattheshortageofhighlytrainedspecialistsandcollegeteacherscouldbereducedbypersuadingthedropoutstoreturntograduateschoolstocompletethePhD.TheresultsofourresearchDr.Tuckerconcludeddidnotsupporttheseopinions.1.Lackofmotivationwastheprincipalreasonfordroppingout:2.Mostdropoutswentasfarintheirdoctoralprogramaswasconsistentwiththeirlevelsofabilityortheirspecialities.3.Mostdropoutsarenowengagedinworkconsistentwiththeireducationandmotivation.Nearly75percentofthedropoutssaidtherewasnoacademicreasonfortheirdecisionbutthosewhomentionedtheacademicreasoncitedfailuretopassthequalifyingexaminationuncompletedresearchandfailuretopasslanguageexams.Amongthesinglemostimportantpersonalreasonsidentifiedbydropoutsfornon-completionoftheirPhDprogramlackoffinanceswasmarkedby19percent.Asanindicationofhowwellthedropoutsweredoingachartshowed2%inhumanitieswerereceiving$20000andmoreannuallywhilenoneofthePhD’swiththatbackgroundreachedthisfigure.ThePhD’sshoneinthe$7500to$15000bracketwith78%atthatlevelagainst50%forthedropouts.ThismayalsobeanindicationofthefactthattopsalariesintheacademicfieldswherethePhD’stendtorisetothehighestsalariesarestilllaggingbehindotherfields.Astothepossibilityofgettingdropoutsbackoncampustheoutlookwasglum.Themainconditionwhichwouldhavetoprevailforatleast25%ofthedropoutswhomightconsiderreturningtothegraduateschoolwouldbetoguaranteethattheywouldretaintheirpresentlevelofincomeandinsomecasestheirpresentjob.Theauthorstatesthatmanyeducatorsfeelthat______.
EducatorsareseriouslyconcernedaboutthehighrateofdropoutsamongthedoctorofphilosophycandidatesandtheconsequentlossoftalenttoanationinneedofPhDs.Somehaveplacedthedropoutslossashighas50percent.Theextentofthelosswashoweverlargelyamatterofexpertguessing.Lastweekawell-roundedstudywaspublished.Itwasbasedon22000questionnairessenttoformergraduatestudentswhowereenrolledin24universitiesanditseemedtoshowmanypastfearstobegroundless.Thedropoutsratewasfoundtobe31percentandinmostcasesthedropoutswhilenotcompletingthePhDrequirementwentontoproductivework.Theyarenotonlydoingwellfinanciallybutaccordingtothereportarenotfarbelowtheincomelevelsofthosewhowentontocompletetheirdoctorates.DiscussingthestudylastweekDr.TuckersaidtheprojectwasinitiatedbecauseoftheconcernfrequentlyexpressedbygraduatefacultiesandadministratorsthatsomeoftheindividualswhodroppedoutofPhDprogramswerecapableofcompletingtherequirementforthedegree.AttritionatthePhDlevelisalsothoughttobeawasteofpreciousfacultytimeandadrainonuniversityresourcesalreadybeingusedtocapacity.SomepeopleexpressedtheopinionthattheshortageofhighlytrainedspecialistsandcollegeteacherscouldbereducedbypersuadingthedropoutstoreturntograduateschoolstocompletethePhD.TheresultsofourresearchDr.Tuckerconcludeddidnotsupporttheseopinions.1.Lackofmotivationwastheprincipalreasonfordroppingout:2.Mostdropoutswentasfarintheirdoctoralprogramaswasconsistentwiththeirlevelsofabilityortheirspecialities.3.Mostdropoutsarenowengagedinworkconsistentwiththeireducationandmotivation.Nearly75percentofthedropoutssaidtherewasnoacademicreasonfortheirdecisionbutthosewhomentionedtheacademicreasoncitedfailuretopassthequalifyingexaminationuncompletedresearchandfailuretopasslanguageexams.Amongthesinglemostimportantpersonalreasonsidentifiedbydropoutsfornon-completionoftheirPhDprogramlackoffinanceswasmarkedby19percent.Asanindicationofhowwellthedropoutsweredoingachartshowed2%inhumanitieswerereceiving$20000andmoreannuallywhilenoneofthePhD’swiththatbackgroundreachedthisfigure.ThePhD’sshoneinthe$7500to$15000bracketwith78%atthatlevelagainst50%forthedropouts.ThismayalsobeanindicationofthefactthattopsalariesintheacademicfieldswherethePhD’stendtorisetothehighestsalariesarestilllaggingbehindotherfields.Astothepossibilityofgettingdropoutsbackoncampustheoutlookwasglum.Themainconditionwhichwouldhavetoprevailforatleast25%ofthedropoutswhomightconsiderreturningtothegraduateschoolwouldbetoguaranteethattheywouldretaintheirpresentlevelofincomeandinsomecasestheirpresentjob.MeetingforeignlanguagerequirementsforthePhD______.
She______anovellastmonthbutIdon'tknowwhethershehasfinishedit.
Writethearticle.Runforclasses.Haven’tfinishedthereadings.Housecleaning.Assignmentto16intwohours.Outofbreathtimeandstilllate.That’sbeenmeforthepastthreeweeks.Andthenyesterdayasmyfingers17hitthekeyboardI18tolookoutside.ThroughthehalfopenblindsofmykitchenwindowIcaughtthebrightglow光线ofsunshine19throughthefreshlycleanedairandshining20theyellow-greenleavesofatree.Itcouldhavebeenthefourdaysofcontinualrainandgraygloomyskiesormyownself21endlessactivity.Idon’tknowwhatitwas22Ijustsattherelookingatthedancingsunrays.Nota23inmyhead.Nocrowdedfeelingsofapproachingworkorpeopleorevenfriends.Justwatching.Ifeltmybody24.Andafteralongtime...feltcalm.Thebreakpassed.Iwentbacktomy25.Butsomethingabouttherhythmoftheday26Itwasthedifferencebetweenrushingtocatchthebusandridingonyourownhorse.LaterthateveningI27howwe’dcometoinhabit居住aplacewhererestandmomentsofpeaceweremeanstobe28.Ifyouweren’ttiredoutoverworkedorwellnear29—youdidn’t30toenjoymomentsofpeace.31meofthepoemLeisurewrittenbyW.H.Daviesintheearly20thcentury.ItismoreMore32todaythaneverbefore.Notimetostandbeneaththeboughs树干Andstareaslongassheepandcows.NotimetoseethewoodswepassWheresquirrelshidetheirnutsingrass.Andthenwe’re33astowhyasacreaturewe’resoupset.Ifwecan’tbe34withourselveshowcanwehopetofindacommon35wecaninhabitwithothersⅡ．完形填空/Cloze
Thelawsaysthatwomenshouldhavethechanceofdoingthesamejobsasmenandearnthesameasthem.Therealityisverydifferent.Womenlosebecause25yearsaftertheEqualPayActmanyofthemstillgetpaidlessthanmen.Theylosebecausetheydolower-paidjobswhichmenjustwon’tconsider.Andtheylosebecausetheyaretheoneswhointerruptacareertohavechildren.AllthisisreportedinanindependentstudyorderedbytheGovernment’sWomen’sUnite.Thebiggestproblemisn’tequalpayinworkplacessuchasfactories.Itisasortofworkwomendo.Makealistofthelow-paidjobsthenconsiderwhodoesthem.Trynursessecretariescleanersclerksteachersinprimaryschoolsdinnerladiesandchildcarehelpers.NotalotofmenamongthatgrouparethereYetsomeofthosejobsarereallyimportant.Surelynoonewoulddenythataboutnursesandteachersforastart.SowhydowerewardthepeoplewhodothemsopoorlyTherecanbeonlyoneanswer—becausetheyarewomen.Thisisnotgoingtobeputrightovernight.ButtheGovernmentwhichemploysalotofthemandotherbosseshavetomakeastart.Itisdisgraceful可耻的thatwehavegoneintothe21stCenturybutstilltreatwomenassecond-classcitizens.WhenthewritersaysThisisnotgoingtobeputrightovernighthemeans______.
Writethearticle.Runforclasses.Haven’tfinishedthereadings.Housecleaning.Assignmentto16intwohours.Outofbreathtimeandstilllate.That’sbeenmeforthepastthreeweeks.Andthenyesterdayasmyfingers17hitthekeyboardI18tolookoutside.ThroughthehalfopenblindsofmykitchenwindowIcaughtthebrightglow光线ofsunshine19throughthefreshlycleanedairandshining20theyellow-greenleavesofatree.Itcouldhavebeenthefourdaysofcontinualrainandgraygloomyskiesormyownself21endlessactivity.Idon’tknowwhatitwas22Ijustsattherelookingatthedancingsunrays.Nota23inmyhead.Nocrowdedfeelingsofapproachingworkorpeopleorevenfriends.Justwatching.Ifeltmybody24.Andafteralongtime...feltcalm.Thebreakpassed.Iwentbacktomy25.Butsomethingabouttherhythmoftheday26Itwasthedifferencebetweenrushingtocatchthebusandridingonyourownhorse.LaterthateveningI27howwe’dcometoinhabit居住aplacewhererestandmomentsofpeaceweremeanstobe28.Ifyouweren’ttiredoutoverworkedorwellnear29—youdidn’t30toenjoymomentsofpeace.31meofthepoemLeisurewrittenbyW.H.Daviesintheearly20thcentury.ItismoreMore32todaythaneverbefore.Notimetostandbeneaththeboughs树干Andstareaslongassheepandcows.NotimetoseethewoodswepassWheresquirrelshidetheirnutsingrass.Andthenwe’re33astowhyasacreaturewe’resoupset.Ifwecan’tbe34withourselveshowcanwehopetofindacommon35wecaninhabitwithothersⅡ．完形填空/Cloze
EducatorsareseriouslyconcernedaboutthehighrateofdropoutsamongthedoctorofphilosophycandidatesandtheconsequentlossoftalenttoanationinneedofPhDs.Somehaveplacedthedropoutslossashighas50percent.Theextentofthelosswashoweverlargelyamatterofexpertguessing.Lastweekawell-roundedstudywaspublished.Itwasbasedon22000questionnairessenttoformergraduatestudentswhowereenrolledin24universitiesanditseemedtoshowmanypastfearstobegroundless.Thedropoutsratewasfoundtobe31percentandinmostcasesthedropoutswhilenotcompletingthePhDrequirementwentontoproductivework.Theyarenotonlydoingwellfinanciallybutaccordingtothereportarenotfarbelowtheincomelevelsofthosewhowentontocompletetheirdoctorates.DiscussingthestudylastweekDr.TuckersaidtheprojectwasinitiatedbecauseoftheconcernfrequentlyexpressedbygraduatefacultiesandadministratorsthatsomeoftheindividualswhodroppedoutofPhDprogramswerecapableofcompletingtherequirementforthedegree.AttritionatthePhDlevelisalsothoughttobeawasteofpreciousfacultytimeandadrainonuniversityresourcesalreadybeingusedtocapacity.SomepeopleexpressedtheopinionthattheshortageofhighlytrainedspecialistsandcollegeteacherscouldbereducedbypersuadingthedropoutstoreturntograduateschoolstocompletethePhD.TheresultsofourresearchDr.Tuckerconcludeddidnotsupporttheseopinions.1.Lackofmotivationwastheprincipalreasonfordroppingout:2.Mostdropoutswentasfarintheirdoctoralprogramaswasconsistentwiththeirlevelsofabilityortheirspecialities.3.Mostdropoutsarenowengagedinworkconsistentwiththeireducationandmotivation.Nearly75percentofthedropoutssaidtherewasnoacademicreasonfortheirdecisionbutthosewhomentionedtheacademicreasoncitedfailuretopassthequalifyingexaminationuncompletedresearchandfailuretopasslanguageexams.Amongthesinglemostimportantpersonalreasonsidentifiedbydropoutsfornon-completionoftheirPhDprogramlackoffinanceswasmarkedby19percent.Asanindicationofhowwellthedropoutsweredoingachartshowed2%inhumanitieswerereceiving$20000andmoreannuallywhilenoneofthePhD’swiththatbackgroundreachedthisfigure.ThePhD’sshoneinthe$7500to$15000bracketwith78%atthatlevelagainst50%forthedropouts.ThismayalsobeanindicationofthefactthattopsalariesintheacademicfieldswherethePhD’stendtorisetothehighestsalariesarestilllaggingbehindotherfields.Astothepossibilityofgettingdropoutsbackoncampustheoutlookwasglum.Themainconditionwhichwouldhavetoprevailforatleast25%ofthedropoutswhomightconsiderreturningtothegraduateschoolwouldbetoguaranteethattheywouldretaintheirpresentlevelofincomeandinsomecasestheirpresentjob.Itcanbeinferredthatthehighrateofdropoutsliesin______.
Writethearticle.Runforclasses.Haven’tfinishedthereadings.Housecleaning.Assignmentto16intwohours.Outofbreathtimeandstilllate.That’sbeenmeforthepastthreeweeks.Andthenyesterdayasmyfingers17hitthekeyboardI18tolookoutside.ThroughthehalfopenblindsofmykitchenwindowIcaughtthebrightglow光线ofsunshine19throughthefreshlycleanedairandshining20theyellow-greenleavesofatree.Itcouldhavebeenthefourdaysofcontinualrainandgraygloomyskiesormyownself21endlessactivity.Idon’tknowwhatitwas22Ijustsattherelookingatthedancingsunrays.Nota23inmyhead.Nocrowdedfeelingsofapproachingworkorpeopleorevenfriends.Justwatching.Ifeltmybody24.Andafteralongtime...feltcalm.Thebreakpassed.Iwentbacktomy25.Butsomethingabouttherhythmoftheday26Itwasthedifferencebetweenrushingtocatchthebusandridingonyourownhorse.LaterthateveningI27howwe’dcometoinhabit居住aplacewhererestandmomentsofpeaceweremeanstobe28.Ifyouweren’ttiredoutoverworkedorwellnear29—youdidn’t30toenjoymomentsofpeace.31meofthepoemLeisurewrittenbyW.H.Daviesintheearly20thcentury.ItismoreMore32todaythaneverbefore.Notimetostandbeneaththeboughs树干Andstareaslongassheepandcows.NotimetoseethewoodswepassWheresquirrelshidetheirnutsingrass.Andthenwe’re33astowhyasacreaturewe’resoupset.Ifwecan’tbe34withourselveshowcanwehopetofindacommon35wecaninhabitwithothersⅡ．完形填空/Cloze
—IwonderwhyMaryissounfriendlytous.—Sheis______thanunfriendlyI'mafraid.
Scienceisadominantthemeinourculture.Sinceittouchesalmosteveryfacetofourlifeeducatedpeopleneedatleastsomeacquaintancewithitsstructureandoperation.Theyshouldalsohaveanunderstandingofthesubcultureinwhichscientistsliveandthekindsofpeopletheyare.Anunderstandingofgeneralcharacteristicsofscienceaswellasspecificscientificconceptsiseasiertoattainifoneknowssomethingaboutthethingsthatexciteandfrustratethescientist.Thisbookiswrittenfortheintelligentstudentorlaypersonwhoseacquaintancewithscienceissuperficial;forthepersonwhohasbeenpresentedwithscienceasamustystorehouseofdriedfacts;forthepersonwhoseesthechiefobjectiveofscienceastheproductionofgadgets;andforthepersonwhoviewsthescientistassomesortofmagician.Thebookcanbeusedtosupplementacourseinanysciencetoaccompanyanycoursethatattemptstogiveanunderstandingofthemodernworldor—independentofanycourse—simplytoprovideabetterunderstandingofscience.Wehopethisbookwillleadreaderstoabroaderperspectiveonscientificattitudesandamorerealisticviewofwhatscienceiswhoscientistsareandwhattheydo.Itwillgivethemanawarenessandunderstandingoftherelationshipbetweenscienceandourcultureandanappreciationoftherolessciencemayplayinourculture.Inadditionreadersmaylearntoappreciatetherelationshipbetweenscientificviewsandsomeofthevaluesandphilosophiesthatarepervasiveinourculture.Wehavetriedtopresentinthisbookanaccurateandup-to-datepictureofthescientificcommunityandthepeoplewhopopulateit.Thatpopulationhasinrecentyearscometocomprisemoreandmorewomen.Thisincreasingroleofwomeninthescientificsubcultureisnotanuniqueincidentbutratherpartofthetrendevidentinallsegmentsofsocietyasmorewomenentertraditionallymale-dominatedfieldsandmakesignificantcontributions.Indiscussingthesechangesandcontributionshoweverwearefacedwithalanguagethatisimplicitlysexistonethatusesmalenounsorpronounsinreferringtounspecifiedindividuals.Tooffsetthisbuilt-inbiaswehaveadoptedthepolicyofusingpluralnounsandpronounswheneverpossibleandWhenabsolutelynecessaryalternatingheandshe.Thispolicyisfarfrombeingidealbutitisatleastanacknowledgmentoftheinadequacyofourlanguageintreatinghalfofthehumanraceequally.Wehavealsotriedtomakethebookentertainingaswellasinformative.Ourapproachisusuallyinformal.Wefeelasdomanyotherscientiststhatweshouldn’ttakeourselvestooseriously.Asthereadermayobserveweseescienceasadelightfulpastimeratherthanasagrimanddrearywaytoearnaliving.Accordingtothepassagescientificsubculturemeans______.
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