Exercise15 Questions1to5arebasedonthefollowingpassage: Whenyoucloseyoureyesandtrytothinkoftheshapeofyourownbody,whatyouimage(orrather,whatyoufeel)isquitedifferentfromwhatyouseewhenyouopenyoureyesandlookinthemirror.Theimageyoufeelismuchvaguerthantheoneyousee.Andifyouliestill,itisquitehardtoimagineyourselfashavinganyparticularsizeorshape. Whenyoumove,whenfeeltheweightofyourarmsandlegsandthenaturalresistanceoftheobjectsaroundyou,the“felt”imageofyourselfstartstobecomeclearer.Italmostasifitwerecreatedbyyourownactionsandthefeelingtheycause. Theimageyoucreateforyourselfhasratherstrangeproportions:certainpartsfeelmuchlargerthantheylook.Ifyougetaholeinoneofyourteeth,itfeelsenormous;youareoftensurprisedbyhowsmallitlookswhenyouinspectitinthemirror. Butalthoughthe“felt”imagemaynothavetheshapeyouseeinthemirror,itismuchmoreimportant.Itistheimagethroughwhichyourecognizeyourphysicalexistenceintheworld.Inspiteofitsproportions,itisallonepiece,andsinceithasaconsistencerightandleftandtopandbottom,itallowsyoutolocatenewfeelingswhentheyoccur.Itallowsyoutofindyournoseinthedarkandpointtoapain. Ifthefeltimageisdamagedforanyreason---ifitiscutinhalforlostitoftenisaftercertainstrokeswhichwipeoutrecognitionofoneentireside---thesetasksbecomealmostimpossible.Whatismore,itbecomeshardtomakesenseofone’sownvisualappearance.Ifonehalfofthe“felt”imageiswipeoutorinjured,thepatientstopsrecognizingtheaffectedpartofhisbody.Itishardforhimtofindthelocationoffeelingsonethatside,and,althoughhefeelsthedoctor’stouch,helocatesitasbeingontheundamagedside. 1.Inwhichofthefollowingsituationwillyoufindyourimagemostvague? A.Whenlookingintothemirror. B.Whenlyinginbedwithclosedeyes. C.Whenstanding. D.Whenwalking. 2.Whenyouconcentrateontheimageofacertainpartofyourbody,thepartwilllook______toyou. A.smallerandusual B.smallerthananyotherpartofthebody C.largerthanitreallyis D.largerthananyotherpartofthebody 3.Whyisthefeltimageimportant? A.Becauseitislargerthanthepartofthebody. B.Becauseitissmallerthanthepartofthebody. C.Becauseitreplacesallotherfeelings. D.Becauseitprovidesausefulframeworkforyourfeelings. 4.Theunderlined“thesetasks”inthelastparagraphdoesNOTmean______. A.locatingnewfeelings B.cuttingtheimageinhalf C.recognizingone’sphysicalexistenceintheworld D.pointingtoyournoseinthedark 5.Whichofthefollowingcanbethebesttitleofthepassage? A.One’sRealImageandFeltImage. B.One’sFeltImageIsNotReal. C.TheAdvantagesandDisadvantagesofOne’sFeltImage. D.TheFunctionsofOne’sFeltImage. PassageTwo Questions6to10arebasedonthefollowingpassage: AboutsixyearsagoIwaseatinglunchinarestaurantinNewYorkCitywhenawomanandayoungboysatdownatthenexttable,Icouldn’thelpoverhearingpartsoftheirconversation.Atonepointthewomanasked:”So,howhaveyoubeen?”Andtheboy-whocouldnothavebeenmorethansevenoreightyearsold-replied:“Frankly,I’vebeenfeelingalittledepressedlately.” Thisincidentstuckinmymindbecauseitconfirmedmygrowingbeliefthatchildrenarechanging.AsfarasIcanremember,myfriendsandIdidn’tfindoutwewere“depressed”untilwewereinhighschool. Theevidenceofachangeinchildrenhasincreasedsteadilyinrecentyears.Childrendon’tseemchildlikeanymore.Childrenspeakmorelikeadults,dressmorelikeadultsandbehavemorelikeadultsthantheyusedto. Whetherthisisgoodorbadisdifficulttosay,butitcertainlyisdifferent.Childhoodasitoncewasnolongerexists.Why? Humandevelopmentisbasednotonlyoninnate(天生的)biologicalstates,butalsoonpatternsofaccesstosocialknowledge.Movementfromonesocialroletoanotherusuallyinvolveslearningthesecretsofthenewstatus.Childrenhavealwaysbeentaughtadultsecrets,butslowlyandinstages:traditionally,wetellsixthgradersthingswekeephiddenfromfifthgraders. Inthelast30years,however,asecret-revelationmachinehasbeeninstalledin98percentofAmericanhomes.Itiscalledtelevision.Televisionpassesinformation,andindiscriminately,toallviewersalike,childrenoradults.Unabletoresistthetemptation,manychildrenturntheirattentionfromprintedtextstothelesschallenging,morevividmovingpictures. Communicationthroughprint,asamatteroffact,allowsforagreatdealofcontroloverthesocialinformationtowhichchildrenhaveaccess.Readingandwritinginvolveacomplexcodeofsymbolsthatmustbememorizedandpracticed.Childrenmustreadsimplebooksbeforetheycanreadcomplexmaterials. 6.Accordingtotheauthor,feelingdepressedis___________. A.asuresignofapsychologicalprobleminachild B.somethinghardlytobeexpectedinayoungchild C.aninevitablephaseofchildren’smentaldevelopment D.amentalstatepresentinallhumans,includingchildren 7.Traditionally,achildissupposedtolearnabouttheadultworld__________. a)throughcontactwithsociety b)graduallyandunderguidance c)naturallyandbybiologicalinstinct d)throughexposuretosocialinformation 8.Thephenomenonthattoday’schildrenseemadult-likeisattributedbytheauthorto_______. A.thewidespreadinfluenceoftelevision B.thepoorarrangementofteachingcontent C.thefastpaceofhumanintellectualdevelopment D.theconstantlyrisingstandardofliving 9.Whyistheauthorinfavorofcommunicationthroughprintforchildren? A.Itenableschildrentogainmoresocialinformation. B.Itdevelopschildren’sinterestinreadingandwriting. C.Ithelpschildrentomemorizeandpracticemore. D.Itcancontrolwhatchildrenaretolearn. 10.Whatdoestheauthorthinkofthechangeintoday’schildren? A.Hefeelsamusedbytheirprematurebehavior. B.Hethinksitisaphenomenonworthyofnote. C.Heconsidersitapositivedevelopment. D.Heseemstobeupsetaboutit. PassageThree Questions11to15arebasedonthefollowingpassage: Itisnaturalforyoungpeopletobecriticaloftheirparentsattimesandtoblamethemformostofthemisunderstandingsbetweenthem.Theyhavealwayscomplained,moreorlessjustly,thattheirparentsareoutoftouchwithmodernways;thattheyarepossessiveanddominant;thattheydonottrusttheirchildrentodealwithcrises;thattheytalktoomuchaboutcertainproblems—andthattheyhavenosenseofhumor,atleastinparent-childrelationships. Ithinkitistruethatparentsoftenunderestimatetheirteenagechildrenandalsoforgethowtheythemselvesfeltwhenyoung. Youngpeopleoftenirritatetheirparentswiththeirchoicesinclothesandhairstyles,inentertainersandmusic.Thisisnottheirmotive.Theyfeelcutofffromtheadultworldintowhichtheyhavenotyetbeenaccepted.Sotheycreateacultureandsocietyoftheirown.Then,ifitturnsoutthattheirmusicorentertainmentsorvocabularyorclothesorhairstylesirritatetheirparents,thisgivesthemadditionalenjoyment.Theyfeeltheyaresuperior;atleastinasmallway,andthattheyareleadersinstyleandtaste. Sometimesyouareresistantandproud,becauseyoudonotwantyourparentstoapproveofwhatyoudo.Iftheydidapprove,itlooksasifyouarebetrayingyourownagegroup.Butinthatcase,youareassumingthatyouaretheunderdog:youcan’twinbutatleastyoucankeepyourhonor.Thisisapassivewayoflookingatthings.Itisnaturalenoughafterlongyearsofchildhood,whenyouwerecompletelyunderyourparents’control.Butitignoresthefactthatyouarenowbeginningtoberesponsibleforyourself. Ifyouplantocontrolyourlife,co-operationcanbepartofthatplan.Youcancharmothers,especiallyyourparents,intodoingthingsthewaysyouwant.Youcanimpressotherswithyoursenseofresponsibilityandinitiative,sothattheywillgiveyoutheauthoritytodowhatyouwanttodo. 11.Theauthorisprimarilyaddressing_____. A.parentsofteenagersB.thosewhogiveadvicetoteenagers C.newspaperreadersD.teenagers 12.Thefirstparagraphismainlyabout_____. A.theteenagers’criticismoftheirparents B.misunderstandingsbetweenteenagersandtheirparents C.thedominanceoftheparentsovertheirchildren D.theteenagers’abilitytodealwithcrises 13.Teenagerstendtohavestrangeclothesandhairstylesbecausethey_____. a)wanttoshowtheirexistencebycreatingacultureoftheirown b)haveastrongdesiretobeleadersinstyleandtaste c)havenootherwaytoenjoythemselvesbetter d)wanttoirritatetheirparents 14.Teenagersdonotwanttheirparentstoapproveofwhatevertheydobecausethey_____. a)havealreadybeenacceptedintotheadultworld b)feelthattheyaresuperiorinasmallwaytotheadults c)arenotlikelytowinovertheadults d)haveadesiretobeindependent 15.Toimproveparent-childrelationships,teenagersareadvisedtobe_____. A.obedientB.responsibleC.co-operativeD.independent
Exercise15 Questions1to5arebasedonthefollowingpassage: Whenyoucloseyoureyesandtrytothinkoftheshapeofyourownbody,whatyouimage(orrather,whatyoufeel)isquitedifferentfromwhatyouseewhenyouopenyoureyesandlookinthemirror.Theimageyoufeelismuchvaguerthantheoneyousee.Andifyouliestill,itisquitehardtoimagineyourselfashavinganyparticularsizeorshape. Whenyoumove,whenfeeltheweightofyourarmsandlegsandthenaturalresistanceoftheobjectsaroundyou,the“felt”imageofyourselfstartstobecomeclearer.Italmostasifitwerecreatedbyyourownactionsandthefeelingtheycause. Theimageyoucreateforyourselfhasratherstrangeproportions:certainpartsfeelmuchlargerthantheylook.Ifyougetaholeinoneofyourteeth,itfeelsenormous;youareoftensurprisedbyhowsmallitlookswhenyouinspectitinthemirror. Butalthoughthe“felt”imagemaynothavetheshapeyouseeinthemirror,itismuchmoreimportant.Itistheimagethroughwhichyourecognizeyourphysicalexistenceintheworld.Inspiteofitsproportions,itisallonepiece,andsinceithasaconsistencerightandleftandtopandbottom,itallowsyoutolocatenewfeelingswhentheyoccur.Itallowsyoutofindyournoseinthedarkandpointtoapain. Ifthefeltimageisdamagedforanyreason---ifitiscutinhalforlostitoftenisaftercertainstrokeswhichwipeoutrecognitionofoneentireside---thesetasksbecomealmostimpossible.Whatismore,itbecomeshardtomakesenseofone’sownvisualappearance.Ifonehalfofthe“felt”imageiswipeoutorinjured,thepatientstopsrecognizingtheaffectedpartofhisbody.Itishardforhimtofindthelocationoffeelingsonethatside,and,althoughhefeelsthedoctor’stouch,helocatesitasbeingontheundamagedside. 1.Inwhichofthefollowingsituationwillyoufindyourimagemostvague? A.Whenlookingintothemirror. B.Whenlyinginbedwithclosedeyes. C.Whenstanding. D.Whenwalking. 2.Whenyouconcentrateontheimageofacertainpartofyourbody,thepartwilllook______toyou. A.smallerandusual B.smallerthananyotherpartofthebody C.largerthanitreallyis D.largerthananyotherpartofthebody 3.Whyisthefeltimageimportant? A.Becauseitislargerthanthepartofthebody. B.Becauseitissmallerthanthepartofthebody. C.Becauseitreplacesallotherfeelings. D.Becauseitprovidesausefulframeworkforyourfeelings. 4.Theunderlined“thesetasks”inthelastparagraphdoesNOTmean______. A.locatingnewfeelings B.cuttingtheimageinhalf C.recognizingone’sphysicalexistenceintheworld D.pointingtoyournoseinthedark 5.Whichofthefollowingcanbethebesttitleofthepassage? A.One’sRealImageandFeltImage. B.One’sFeltImageIsNotReal. C.TheAdvantagesandDisadvantagesofOne’sFeltImage. D.TheFunctionsofOne’sFeltImage. PassageTwo Questions6to10arebasedonthefollowingpassage: AboutsixyearsagoIwaseatinglunchinarestaurantinNewYorkCitywhenawomanandayoungboysatdownatthenexttable,Icouldn’thelpoverhearingpartsoftheirconversation.Atonepointthewomanasked:”So,howhaveyoubeen?”Andtheboy-whocouldnothavebeenmorethansevenoreightyearsold-replied:“Frankly,I’vebeenfeelingalittledepressedlately.” Thisincidentstuckinmymindbecauseitconfirmedmygrowingbeliefthatchildrenarechanging.AsfarasIcanremember,myfriendsandIdidn’tfindoutwewere“depressed”untilwewereinhighschool. Theevidenceofachangeinchildrenhasincreasedsteadilyinrecentyears.Childrendon’tseemchildlikeanymore.Childrenspeakmorelikeadults,dressmorelikeadultsandbehavemorelikeadultsthantheyusedto. Whetherthisisgoodorbadisdifficulttosay,butitcertainlyisdifferent.Childhoodasitoncewasnolongerexists.Why? Humandevelopmentisbasednotonlyoninnate(天生的)biologicalstates,butalsoonpatternsofaccesstosocialknowledge.Movementfromonesocialroletoanotherusuallyinvolveslearningthesecretsofthenewstatus.Childrenhavealwaysbeentaughtadultsecrets,butslowlyandinstages:traditionally,wetellsixthgradersthingswekeephiddenfromfifthgraders. Inthelast30years,however,asecret-revelationmachinehasbeeninstalledin98percentofAmericanhomes.Itiscalledtelevision.Televisionpassesinformation,andindiscriminately,toallviewersalike,childrenoradults.Unabletoresistthetemptation,manychildrenturntheirattentionfromprintedtextstothelesschallenging,morevividmovingpictures. Communicationthroughprint,asamatteroffact,allowsforagreatdealofcontroloverthesocialinformationtowhichchildrenhaveaccess.Readingandwritinginvolveacomplexcodeofsymbolsthatmustbememorizedandpracticed.Childrenmustreadsimplebooksbeforetheycanreadcomplexmaterials. 6.Accordingtotheauthor,feelingdepressedis___________. A.asuresignofapsychologicalprobleminachild B.somethinghardlytobeexpectedinayoungchild C.aninevitablephaseofchildren’smentaldevelopment D.amentalstatepresentinallhumans,includingchildren 7.Traditionally,achildissupposedtolearnabouttheadultworld__________. a)throughcontactwithsociety b)graduallyandunderguidance c)naturallyandbybiologicalinstinct d)throughexposuretosocialinformation 8.Thephenomenonthattoday’schildrenseemadult-likeisattributedbytheauthorto_______. A.thewidespreadinfluenceoftelevision B.thepoorarrangementofteachingcontent C.thefastpaceofhumanintellectualdevelopment D.theconstantlyrisingstandardofliving 9.Whyistheauthorinfavorofcommunicationthroughprintforchildren? A.Itenableschildrentogainmoresocialinformation. B.Itdevelopschildren’sinterestinreadingandwriting. C.Ithelpschildrentomemorizeandpracticemore. D.Itcancontrolwhatchildrenaretolearn. 10.Whatdoestheauthorthinkofthechangeintoday’schildren? A.Hefeelsamusedbytheirprematurebehavior. B.Hethinksitisaphenomenonworthyofnote. C.Heconsidersitapositivedevelopment. D.Heseemstobeupsetaboutit. PassageThree Questions11to15arebasedonthefollowingpassage: Itisnaturalforyoungpeopletobecriticaloftheirparentsattimesandtoblamethemformostofthemisunderstandingsbetweenthem.Theyhavealwayscomplained,moreorlessjustly,thattheirparentsareoutoftouchwithmodernways;thattheyarepossessiveanddominant;thattheydonottrusttheirchildrentodealwithcrises;thattheytalktoomuchaboutcertainproblems—andthattheyhavenosenseofhumor,atleastinparent-childrelationships. Ithinkitistruethatparentsoftenunderestimatetheirteenagechildrenandalsoforgethowtheythemselvesfeltwhenyoung. Youngpeopleoftenirritatetheirparentswiththeirchoicesinclothesandhairstyles,inentertainersandmusic.Thisisnottheirmotive.Theyfeelcutofffromtheadultworldintowhichtheyhavenotyetbeenaccepted.Sotheycreateacultureandsocietyoftheirown.Then,ifitturnsoutthattheirmusicorentertainmentsorvocabularyorclothesorhairstylesirritatetheirparents,thisgivesthemadditionalenjoyment.Theyfeeltheyaresuperior;atleastinasmallway,andthattheyareleadersinstyleandtaste. Sometimesyouareresistantandproud,becauseyoudonotwantyourparentstoapproveofwhatyoudo.Iftheydidapprove,itlooksasifyouarebetrayingyourownagegroup.Butinthatcase,youareassumingthatyouaretheunderdog:youcan’twinbutatleastyoucankeepyourhonor.Thisisapassivewayoflookingatthings.Itisnaturalenoughafterlongyearsofchildhood,whenyouwerecompletelyunderyourparents’control.Butitignoresthefactthatyouarenowbeginningtoberesponsibleforyourself. Ifyouplantocontrolyourlife,co-operationcanbepartofthatplan.Youcancharmothers,especiallyyourparents,intodoingthingsthewaysyouwant.Youcanimpressotherswithyoursenseofresponsibilityandinitiative,sothattheywillgiveyoutheauthoritytodowhatyouwanttodo. 11.Theauthorisprimarilyaddressing_____. A.parentsofteenagersB.thosewhogiveadvicetoteenagers C.newspaperreadersD.teenagers 12.Thefirstparagraphismainlyabout_____. A.theteenagers’criticismoftheirparents B.misunderstandingsbetweenteenagersandtheirparents C.thedominanceoftheparentsovertheirchildren D.theteenagers’abilitytodealwithcrises 13.Teenagerstendtohavestrangeclothesandhairstylesbecausethey_____. a)wanttoshowtheirexistencebycreatingacultureoftheirown b)haveastrongdesiretobeleadersinstyleandtaste c)havenootherwaytoenjoythemselvesbetter d)wanttoirritatetheirparents 14.Teenagersdonotwanttheirparentstoapproveofwhatevertheydobecausethey_____. a)havealreadybeenacceptedintotheadultworld b)feelthattheyaresuperiorinasmallwaytotheadults c)arenotlikelytowinovertheadults d)haveadesiretobeindependent 15.Toimproveparent-childrelationships,teenagersareadvisedtobe_____. A.obedientB.responsibleC.co-operativeD.independent
比较C≡C, C=C, C─C, C=C─C=C的键长次序为: C=C─C=C>C─C> C≡C >C=C|C=C─C=C>C─C>C=C>C≡C|C≡C>C=C>C─C>C=C─C=C|C─C>C=C>C=C─C=C>C≡C|C─C>C=C─C=C>C=C>C≡C
比较C≡C, C=C, C─C, C=C─C=C的键长次序为: C=C─C=C>C─C> C≡C >C=C|C=C─C=C>C─C>C=C>C≡C|C≡C>C=C>C─C>C=C─C=C|C─C>C=C>C=C─C=C>C≡C|C─C>C=C─C=C>C=C>C≡C
下列哪种主链骨架原子排列最能代表两个肽键?() A: Cα—N—Cα—C—Cα—N—Cα—C B: Cα—N—C—C—N—Cα C: C—N—Cα—Cα—C—N D: Cα—C—N—Cα—C—N E: Cα—Cα—C—N—Cα—Cα—C
下列哪种主链骨架原子排列最能代表两个肽键?() A: Cα—N—Cα—C—Cα—N—Cα—C B: Cα—N—C—C—N—Cα C: C—N—Cα—Cα—C—N D: Cα—C—N—Cα—C—N E: Cα—Cα—C—N—Cα—Cα—C
比较C≡C(Ⅰ),C=C(Ⅱ),C─C(Ⅲ),C=C─C=C(Ⅳ)的键长次序为( )。 A: Ⅰ＞Ⅱ＞Ⅲ＞Ⅳ B: Ⅲ＞Ⅱ＞Ⅳ＞Ⅰ C: Ⅲ＞Ⅳ＞Ⅱ＞Ⅰ D: Ⅳ＞Ⅲ＞Ⅱ＞Ⅰ
比较C≡C(Ⅰ),C=C(Ⅱ),C─C(Ⅲ),C=C─C=C(Ⅳ)的键长次序为( )。 A: Ⅰ＞Ⅱ＞Ⅲ＞Ⅳ B: Ⅲ＞Ⅱ＞Ⅳ＞Ⅰ C: Ⅲ＞Ⅳ＞Ⅱ＞Ⅰ D: Ⅳ＞Ⅲ＞Ⅱ＞Ⅰ
不稳定的一类化合物是: C≡C|C－C|C＝C|C＝C－C＝C|C＝C＝C
不稳定的一类化合物是: C≡C|C－C|C＝C|C＝C－C＝C|C＝C＝C
NaNH4HPO4水溶液的质子条件式为 A: c(H+)+c(H2PO4-)+2 c(H3PO4)=c(OH-)+c(NH3) +c(PO43-) B: c(H+)+c(H2PO4-)+ c(H3PO4)=c(OH-)+c(NH3) +c(PO43-) C: c(H+)+c(NH3)+ c(H3PO4)=c(OH-)+c(PO43-) +c(H2PO4-) D: c(H+)+c(NH3)+ 2c(H3PO4)=c(OH-)+c(PO43-) +c(H2PO4-)
NaNH4HPO4水溶液的质子条件式为 A: c(H+)+c(H2PO4-)+2 c(H3PO4)=c(OH-)+c(NH3) +c(PO43-) B: c(H+)+c(H2PO4-)+ c(H3PO4)=c(OH-)+c(NH3) +c(PO43-) C: c(H+)+c(NH3)+ c(H3PO4)=c(OH-)+c(PO43-) +c(H2PO4-) D: c(H+)+c(NH3)+ 2c(H3PO4)=c(OH-)+c(PO43-) +c(H2PO4-)
比较C≡C(I)，C=C(II)，C─C(III)，C=C─C=C(IV)的键长次序为：
比较C≡C(I)，C=C(II)，C─C(III)，C=C─C=C(IV)的键长次序为：
在同一种固体介质中，纵波、横波、表面波三者之间的声速关系为（） A: C﹤C﹤C B: C﹤C﹤C C: C﹤C﹤C D: C﹤C﹤C
在同一种固体介质中，纵波、横波、表面波三者之间的声速关系为（） A: C﹤C﹤C B: C﹤C﹤C C: C﹤C﹤C D: C﹤C﹤C
scanf(“%c%c%c“, &a,&b,&c)与scanf(“%c %c %c“ ,&a,&b,&c)的输入（ ）。
scanf(“%c%c%c“, &a,&b,&c)与scanf(“%c %c %c“ ,&a,&b,&c)的输入（ ）。
能产生共轭效应的是 A: C=C=C B: C=C C: C≡C D: C=C-C=C E: C-C
能产生共轭效应的是 A: C=C=C B: C=C C: C≡C D: C=C-C=C E: C-C