【单选题】() carries the genes, which determine the hereditary characteristics of the cell or organism.
A. The chromosome
B. The chromosome that
C. Whereas the chromosome
D. There is a chromosome
A. The chromosome
B. The chromosome that
C. Whereas the chromosome
D. There is a chromosome
【单选题】 An atom is a basic structural unit of matter, the smallest particle of an element () into chemical combination.
A. that can enter
B. can it enter
C. when entering it can
D. that enters can
A. that can enter
B. can it enter
C. when entering it can
D. that enters can
【单选题】Everyone in a particular society recognizes social roles: father, mother, child, teacher, student, police officer, store clerk, doctor, judge, political leader, and so on. Every culture expects certain types of behavior from people who play certain social roles. Anyone occupying a given position is expected to adopt a specific attitude. A store clerk is expected to take care of customers patiently and politely, and a judge is expected to make wise and fair decisions about laws.
Informal social roles are not always easy to recognize, but can be identified with careful research. They are key indicators of a group‘s health and happiness. Within the family, one informal role is the family hero, the person who defines integrity and upholds family morality. Others are the family arbitrator, the person who keeps the peace, and the family historian, often a grandparent, who relays valuable cultural information that maintains both the family and the larger society. And finally, there is the family friend, the person who provides comfort and companionship to the family members with emotional needs.
1.Why does the author mention a store clerk and a judge in paragraph 1?
A. To give examples of people who hold positions of respects.
B. To explain why social roles are important to a society.
C. To illustrate the behavior required of certain social roles.
D. To compare the responsibilities of two different occupations.
2.Why does the author use the term key indicators in discussing informal social roles?
A.To identify the most important type of social roles.
B.To explain how to identify informal social roles
C.To point out that informal roles are unique to families
D.To emphasize the value of informal roles to a group
Informal social roles are not always easy to recognize, but can be identified with careful research. They are key indicators of a group‘s health and happiness. Within the family, one informal role is the family hero, the person who defines integrity and upholds family morality. Others are the family arbitrator, the person who keeps the peace, and the family historian, often a grandparent, who relays valuable cultural information that maintains both the family and the larger society. And finally, there is the family friend, the person who provides comfort and companionship to the family members with emotional needs.
1.Why does the author mention a store clerk and a judge in paragraph 1?
A. To give examples of people who hold positions of respects.
B. To explain why social roles are important to a society.
C. To illustrate the behavior required of certain social roles.
D. To compare the responsibilities of two different occupations.
2.Why does the author use the term key indicators in discussing informal social roles?
A.To identify the most important type of social roles.
B.To explain how to identify informal social roles
C.To point out that informal roles are unique to families
D.To emphasize the value of informal roles to a group
【分析解答题】truE CEDArs ArE (mEmBErs) oF thE pinE FAmily AnD ArE 120 to 150 (FEEt tAll), with (ErECt )ConEs AnD (BunChEs short), nEEDlElikE lEAvEs.
【单选题】origins oF jAzz musiC
thE musiCAl phEnomEnon known As jAzz DEvElopED in thE yEArs just prior to 1900, mAinly in thE City oF nEw orlEAns AnD to A lEssEr ExtEnt in othEr lArgEAmEriCAn CitiEs. thE roots oF this quintEssEntiAllyAmEriCAn musiC ArE vAriED AnD ComplEx, But sEvErAl mAin strAnDs oF CulturE AnD musiCAl trADition CAn BE thought oF As prECursors whiCh EvEntuAlly CulminAtED in A rECognizABlE musiCAl gEnrE.
it is proBABlE thAt BlACkAFriCAns who wErE Brought to thE nEw worlD to work As slAvEs on plAntAtions CArriED with thEm An ABility to improvisE in musiC, in othEr worDs, to spontAnEously vAry inDiviDuAl pArts in A musiCAl pErFormAnCE.
whilE working As slAvEs on plAntAtions AnD lAtEr As FrEE hAnDs in work plACEs, BlACks usED work songs with A DEgrEE oF improvisAtion, rECAlling thEirAFriCAn hEritAgE, As A rhythm to EAsE thE pAin oF hArD mAnuAl lABor.
thEsE songs inCluDED spirituAls, thAt is, rEligious songs ExprEssing thE hArD ConDition oF BEing slAvEs, AnD FiElD hollErs, whiCh wErE A Form oF CommuniCAtion BEtwEEn FiElD hAnDs.
thE proBlEms FACED By thE nEwly FrEED slAvEs Also BECAmE mAtEriAl For A stylE oF singing whiCh originAtED in moAning AnD lAmEntAtions ABout thE DiFFiCultiEs oF liFE.At First thEsE improvisAtions wErE not ACCompAniED By instrumEnts, But lAtEr, trAvEling musiCiAns with guitArs or BAnjos CrEAtED sounDs with soAring AnD sliDing pitCh.
EvEntuAlly A pAttErn oF musiC EmErgED whiCh wAs rEFErrED to As thE BluEs, An importAnt ComponEnt oF EArly jAzz Forms.
AnothEr importAnt ingrEDiEnt in thE FormAtion oF jAzz is whAt BECAmE known As rAgtimE, A musiCAl Form thAt FlourishED From ABout 1890 until thE stArt oF worlD wAr i, in whiCh thE mEloDy oF A tunE wAs synCopAtED ovEr thE BAss linE AnD gAvE A rAggED FEEl. rAgtimE EvEntuAlly BECAmE FormAlizED AnD writtEn, But thE stylE oF thE rAgtimE tunEs wAs inFluEntiAl in Forming thE EArly DirECtion oF jAzz musiC、
musiCologists hAvE pointED out thAt nEw orlEAns BECAmE thE FoCAl point oF EArly jAzz pErFormAnCE BECAusE BrAss instrumEnts usED By militiA BAnDs During thECivil wAr AnD By town BAnDs For EntErtAinmEnt BEgAn to FinD thEir wAy into sEConDhAnD storEs AnD pAwn shops in nEw orlEAns. this EnABlED poorEr pEoplE to oBtAin instrumEnts ChEAply. thE DEmAnD For livE musiC wAs so grEAt thAt mAny oF thEsE AmAtEurs, whosE mAstEry oF thEsE ChEAply Bought instrumEnts wAs oFtEn inComplEtE, wErE CAllED on to pErForm, thEir unpolishED stylE mAy hAvE BEEn An importAnt ingrEDiEnt oF thE spontAnEous AnD unorthoDox sounD typiCAl oF EArly jAzz.
ACCorDing to lEn wEinstoCk, A historiAn oF jAzz, AnothEr rEAson why nEw orlEAns BECAmE A CEntEr oF this musiCAl stylE wAs thE ExistEnCE within thE City’s populAtion oF A lArgE group oF FrEnCh AnD spAnish sEttlErs who prEsErvED thEir ChArACtEristiC spEECh AnD CulturE. through intErmArriAgE withAFriCAnAmEriCAns, A suBCulturE oF DEsCEnDAnts DEvElopED, thECrEolEs. sinCE thECrEolEs in nEw orlEAns hAD not BEEn EnslAvED, mAny oF thEm BECAmE DistinguishED in thE EConomiC AnD CulturAl liFE oF thE FrEnCh sECtion oF thE City.CrEolEs hAD thEir own musiCAl rEsourCEs inFluEnCED By FrEnCh or spAnish ColoniAl trADitions, But somE wErE Also FormAlly trAinED in thEEuropEAn ClAssiCAl trADition AnD lEArnED thE prECisE tEChniquEs AnD tonAl sophistiCAtion nECEssAry to plAy in ChAmBEr EnsEmBlEs AnD EvEn At thE opErA housE. howEvEr, in 1894,CrEolEs living in nEw orlEAns wErE ForCED By A rACiAl sEgrEgAtion lAw to movE to thE ArEA oF thE City inhABitED By thE poor, lArgEly unEDuCAtED BlACk populAtion whosE musiCAl trADition wAs typiCAlly ChArACtErizED By mEmorizAtion An
thE musiCAl phEnomEnon known As jAzz DEvElopED in thE yEArs just prior to 1900, mAinly in thE City oF nEw orlEAns AnD to A lEssEr ExtEnt in othEr lArgEAmEriCAn CitiEs. thE roots oF this quintEssEntiAllyAmEriCAn musiC ArE vAriED AnD ComplEx, But sEvErAl mAin strAnDs oF CulturE AnD musiCAl trADition CAn BE thought oF As prECursors whiCh EvEntuAlly CulminAtED in A rECognizABlE musiCAl gEnrE.
it is proBABlE thAt BlACkAFriCAns who wErE Brought to thE nEw worlD to work As slAvEs on plAntAtions CArriED with thEm An ABility to improvisE in musiC, in othEr worDs, to spontAnEously vAry inDiviDuAl pArts in A musiCAl pErFormAnCE.
whilE working As slAvEs on plAntAtions AnD lAtEr As FrEE hAnDs in work plACEs, BlACks usED work songs with A DEgrEE oF improvisAtion, rECAlling thEirAFriCAn hEritAgE, As A rhythm to EAsE thE pAin oF hArD mAnuAl lABor.
thEsE songs inCluDED spirituAls, thAt is, rEligious songs ExprEssing thE hArD ConDition oF BEing slAvEs, AnD FiElD hollErs, whiCh wErE A Form oF CommuniCAtion BEtwEEn FiElD hAnDs.
thE proBlEms FACED By thE nEwly FrEED slAvEs Also BECAmE mAtEriAl For A stylE oF singing whiCh originAtED in moAning AnD lAmEntAtions ABout thE DiFFiCultiEs oF liFE.At First thEsE improvisAtions wErE not ACCompAniED By instrumEnts, But lAtEr, trAvEling musiCiAns with guitArs or BAnjos CrEAtED sounDs with soAring AnD sliDing pitCh.
EvEntuAlly A pAttErn oF musiC EmErgED whiCh wAs rEFErrED to As thE BluEs, An importAnt ComponEnt oF EArly jAzz Forms.
AnothEr importAnt ingrEDiEnt in thE FormAtion oF jAzz is whAt BECAmE known As rAgtimE, A musiCAl Form thAt FlourishED From ABout 1890 until thE stArt oF worlD wAr i, in whiCh thE mEloDy oF A tunE wAs synCopAtED ovEr thE BAss linE AnD gAvE A rAggED FEEl. rAgtimE EvEntuAlly BECAmE FormAlizED AnD writtEn, But thE stylE oF thE rAgtimE tunEs wAs inFluEntiAl in Forming thE EArly DirECtion oF jAzz musiC、
musiCologists hAvE pointED out thAt nEw orlEAns BECAmE thE FoCAl point oF EArly jAzz pErFormAnCE BECAusE BrAss instrumEnts usED By militiA BAnDs During thECivil wAr AnD By town BAnDs For EntErtAinmEnt BEgAn to FinD thEir wAy into sEConDhAnD storEs AnD pAwn shops in nEw orlEAns. this EnABlED poorEr pEoplE to oBtAin instrumEnts ChEAply. thE DEmAnD For livE musiC wAs so grEAt thAt mAny oF thEsE AmAtEurs, whosE mAstEry oF thEsE ChEAply Bought instrumEnts wAs oFtEn inComplEtE, wErE CAllED on to pErForm, thEir unpolishED stylE mAy hAvE BEEn An importAnt ingrEDiEnt oF thE spontAnEous AnD unorthoDox sounD typiCAl oF EArly jAzz.
ACCorDing to lEn wEinstoCk, A historiAn oF jAzz, AnothEr rEAson why nEw orlEAns BECAmE A CEntEr oF this musiCAl stylE wAs thE ExistEnCE within thE City’s populAtion oF A lArgE group oF FrEnCh AnD spAnish sEttlErs who prEsErvED thEir ChArACtEristiC spEECh AnD CulturE. through intErmArriAgE withAFriCAnAmEriCAns, A suBCulturE oF DEsCEnDAnts DEvElopED, thECrEolEs. sinCE thECrEolEs in nEw orlEAns hAD not BEEn EnslAvED, mAny oF thEm BECAmE DistinguishED in thE EConomiC AnD CulturAl liFE oF thE FrEnCh sECtion oF thE City.CrEolEs hAD thEir own musiCAl rEsourCEs inFluEnCED By FrEnCh or spAnish ColoniAl trADitions, But somE wErE Also FormAlly trAinED in thEEuropEAn ClAssiCAl trADition AnD lEArnED thE prECisE tEChniquEs AnD tonAl sophistiCAtion nECEssAry to plAy in ChAmBEr EnsEmBlEs AnD EvEn At thE opErA housE. howEvEr, in 1894,CrEolEs living in nEw orlEAns wErE ForCED By A rACiAl sEgrEgAtion lAw to movE to thE ArEA oF thE City inhABitED By thE poor, lArgEly unEDuCAtED BlACk populAtion whosE musiCAl trADition wAs typiCAlly ChArACtErizED By mEmorizAtion An
【单选题】 Some seeds are viable, or capable of growing into healthy plants, for only a few days after fallfrom the parent tree.
【单选题】 What does the passage mainly discuss
A.( The role of instinct in animal behavior
B.( Observations that suggest consciousness in an anima behavior
C.( The use of food in studies of animal behavior
D.( Differences between the behavior of animals in their natural environments and in laboratory experiment
A.( The role of instinct in animal behavior
B.( Observations that suggest consciousness in an anima behavior
C.( The use of food in studies of animal behavior
D.( Differences between the behavior of animals in their natural environments and in laboratory experiment
【分析解答题】GENERAL SYSTEMS THEORY
1The Greek word "systema" means union, and scientists use the word "system" to describe a collection of several components that are linked to one another by functional relationships.Everything outside the system is known as the surroundings. Most scientific literature is a description of the components of a system, their relationships with one another, and their relationships with other systems.Although each science has its own systems with their own subject matter and networks of relationships, the formal characteristics of systems are similar for all sciences. The scientific discipline called general systems theory formulates principles that are valid for systems in general, no matter the elements involved and the relations or forces among them.
2Systems can be divided into two types: closed systems and open systems.A、closed system receives no supply of energy from outside and transfers no energy outwards.An open system receives energy from its surroundings and transfers it out again.
3 A、closed system is isolated fiom its surroundings. The energy supply of a closed system is limited and is progressively used up by the processes operating within the system. The ability of the system to function decreases as the available energy is exhausteD、Without any additional energy supplied from the outside, the system’s processes stop altogether and no further change is possible in the system.A、mill wheel supplied with water from a non-refillable container is a closed system. Once the container of water is empty, the wheel no longer turns because there is no water to turn it. In a truly closed system, the water would have to be collected below the mill wheel in a second container to ensure that the system did not supply any energy to the outside.
4Some scientists argue that there are few truly closed systems in nature, and many define closed systems more broadly as those allowing energy but not mass to cross the system boundary.By this definition, theEarth system as a whole is a closed system. The boundary of theEarth system is the outer edge of the atmosphere, and except for the occasional meteorite, virtually no mass is exchanged between theEarth system and the rest of the universe. However, energy in the form of solar radiation passes from the sun, through the atmosphere to theEarth’s surface, which in turn radiates energy back out to space across the system boundary. Hence, energy passes across theEarth’s system boundary, but mass does not, making it a closed system.
5In an open system, energy and mass can be transferred between the system and its surroundings. Living organisms are open systems. They absorb light energy or chemical energy in the form of organic molecules and release heat and metabolic waste products, such as carbon dioxide, to the surroundings. Generally, relationships exist between the components of a system and its surroundings, that is, other systems.Each open system is part of a larger system that receives and gives off energy. In an open system, the energy is continually resupplied from sources outside the system. In the example of the mill wheel, if the non-refillable water container is replaced by a reservoir fed continuously by a stream, it becomes an open system because the energy supply is renewed from the outside.
6The natural environment is made up of open systems. These can behave as closed systems temporarily if the energy supply is halted for a perioD、If, for example, the stream to the reservoir supplying the mill dries up for a long period, the energy consumption of the mill wheel cannot be balanced by new energy supply. The water in the reservoir is used up, and if the dry period is long enough, the mill wheel stops turning.Eventually, the stream may flow again, filling the reservoir and turning the mill wheel again. This occurs because the stream-reservoir-mill system is itself a part of theEarth’s much l
1The Greek word "systema" means union, and scientists use the word "system" to describe a collection of several components that are linked to one another by functional relationships.Everything outside the system is known as the surroundings. Most scientific literature is a description of the components of a system, their relationships with one another, and their relationships with other systems.Although each science has its own systems with their own subject matter and networks of relationships, the formal characteristics of systems are similar for all sciences. The scientific discipline called general systems theory formulates principles that are valid for systems in general, no matter the elements involved and the relations or forces among them.
2Systems can be divided into two types: closed systems and open systems.A、closed system receives no supply of energy from outside and transfers no energy outwards.An open system receives energy from its surroundings and transfers it out again.
3 A、closed system is isolated fiom its surroundings. The energy supply of a closed system is limited and is progressively used up by the processes operating within the system. The ability of the system to function decreases as the available energy is exhausteD、Without any additional energy supplied from the outside, the system’s processes stop altogether and no further change is possible in the system.A、mill wheel supplied with water from a non-refillable container is a closed system. Once the container of water is empty, the wheel no longer turns because there is no water to turn it. In a truly closed system, the water would have to be collected below the mill wheel in a second container to ensure that the system did not supply any energy to the outside.
4Some scientists argue that there are few truly closed systems in nature, and many define closed systems more broadly as those allowing energy but not mass to cross the system boundary.By this definition, theEarth system as a whole is a closed system. The boundary of theEarth system is the outer edge of the atmosphere, and except for the occasional meteorite, virtually no mass is exchanged between theEarth system and the rest of the universe. However, energy in the form of solar radiation passes from the sun, through the atmosphere to theEarth’s surface, which in turn radiates energy back out to space across the system boundary. Hence, energy passes across theEarth’s system boundary, but mass does not, making it a closed system.
5In an open system, energy and mass can be transferred between the system and its surroundings. Living organisms are open systems. They absorb light energy or chemical energy in the form of organic molecules and release heat and metabolic waste products, such as carbon dioxide, to the surroundings. Generally, relationships exist between the components of a system and its surroundings, that is, other systems.Each open system is part of a larger system that receives and gives off energy. In an open system, the energy is continually resupplied from sources outside the system. In the example of the mill wheel, if the non-refillable water container is replaced by a reservoir fed continuously by a stream, it becomes an open system because the energy supply is renewed from the outside.
6The natural environment is made up of open systems. These can behave as closed systems temporarily if the energy supply is halted for a perioD、If, for example, the stream to the reservoir supplying the mill dries up for a long period, the energy consumption of the mill wheel cannot be balanced by new energy supply. The water in the reservoir is used up, and if the dry period is long enough, the mill wheel stops turning.Eventually, the stream may flow again, filling the reservoir and turning the mill wheel again. This occurs because the stream-reservoir-mill system is itself a part of theEarth’s much l
【单选题】rEADing 5 "spEECh AnD writing"
it is A wiDEly hElD misConCEption thAt writing is morE pErFECt thAn spEECh. to mAny pEoplE, writing somEhow sEEms morE CorrECt AnD morE stABlE, whErEAs spEECh CAn BE CArElEss, CorruptED, AnD susCEptiBlE to ChAngE. somE pEoplE EvEn go so FAr As to iDEntiFy lAnguAgE with writing AnD to rEgArD spEECh As A sEConDAry Form oF lAnguAgE usED impErFECtly to ApproximAtE thE iDEAls oF thE writtEn lAnguAgE.
→ onE oF thE BAsiC Assumptions oF moDErn linguistiCs, howEvEr, is thAt spEECh is primAry AnD writing is sEConDAry. thE most immEDiAtE mAniFEstAtion oF lAnguAgE is spEECh AnD not writing. writing is simply thE rEprEsEntAtion oF spEECh in AnothEr physiCAl mEDium. spokEn lAnguAgE EnCoDEs thought into A physiCAlly trAnsmittABlE Form, whilE writing, in turn, EnCoDEs spokEn lAnguAgE into A physiCAlly prEsErvABlE Form. writing is A two-stAgE proCEss.All units oF writing, whEthEr lEttErs or ChArACtErs, ArE BAsED on units oF spEECh, i.E., worDs, sounDs, or syllABlEs. whEn linguists stuDy lAnguAgE, thEy tAkE thE spokEn lAnguAgE As thEir BEst sourCE oF DAtA AnD thEir oBjECt oF DEsCription (ExCEpt in instAnCEs oF lAnguAgEs likE lAtin For whiCh thErE ArE no longEr Any spEAkErs).
thErE ArE sEvErAl rEAsons For mAintAining thAt spEECh is primAry AnD writing is sEConDAry.
First, writing is A lAtEr historiCAl DEvElopmEnt thAn spokEn lAnguAgE.
CurrEnt ArChEologiCAl EviDEnCE inDiCAtEs thAt writing wAs First utilizED in sumEr, thAt is, moDErn-DAy irAq, ABout 6,000 yEArs Ago.
As FAr As physiCAl AnD CulturAl Anthropologists CAn tEll, spokEn lAnguAgE hAs proBABly BEEn usED By humAns For hunDrEDs oF thousAnDs oF yEArs.
→ sEConD, writing DoEs not Exist EvErywhErE thAt spokEn lAnguAgE Exists. this sEEms hArD to imAginE in our highly litErAtE soCiEty, But thE FACt is thAt thErE ArE still mAny CommunitiEs in thE worlD whErE A writtEn Form oF lAnguAgE is not usED, AnD EvEn in thosE CulturEs using A writing systEm, thErE ArE inDiviDuAls who FAil to lEArn thE writtEn Form oF thEir lAnguAgE. in FACt, thE mAjority oF thEEArth’s inhABitAnts ArE illitErAtE, though quitE CApABlE oF spokEn CommuniCAtion. howEvEr, no soCiEty usEs only A writtEn lAnguAgE with no spokEn Form.
thirD, writing must BE tAught, whErEAs spokEn lAnguAgE is ACquirED AutomAtiCAlly.All ChilDrEn, ExCEpt ChilDrEn with sErious lEArning DisABilitiEs, nAturAlly lEArn to spEAk thE lAnguAgE oF thE Community in whiCh thEy ArE Brought up. thEy ACquirE thE BAsiCs oF thEir nAtivE lAnguAgE BEForE thEy EntEr sChool, AnD EvEn iF thEy nEvEr AttEnD sChool, thEy BEComE Fully CompEtEnt spEAkErs. writing systEms vAry in ComplExity, But rEgArDlEss oF thEir lEvEl oF sophistiCAtion, thEy must All BE tAught.
FinAlly, nEurolinguistiC EviDEnCE (stuDiEs oF thE BrAin in ACtion During lAnguAgE usE) DEmonstrAtEs thAt thE proCEssing AnD proDuCtion oF writtEn lAnguAgE is ovErlAiD on thE spokEn lAnguAgE CEntErs in thE BrAin. spokEn lAnguAgE involvEs sEvErAl DistinCt ArEAs oF thE BrAin; writing usEs thEsE ArEAs AnD othErs As wEll.
→ so whAt givEs risE to thE misConCEption thAt writing is morE pErFECt thAn spEECh thErE ArE sEvErAl rEAsons. For onE thing, thE proDuCt oF writing is usuAlly morE Aptly worDED AnD BEttEr orgAnizED, ContAining FEwEr Errors, hEsitAtions, AnD inComplEtE sEntEnCEs thAn ArE FounD in spEECh. this pErFECtion oF writing CAn BE ExplAinED By thE FACt thAt writing is thE rEsult oF DEliBErAtion, CorrECtion, AnD rEvision, whilE spEECh is thE spontAnEous AnD simultAnEous FormulAtion oF iDEAs; writing is thErEForE lEss suBjECt to thE ConstrAint oF timE thAn spEECh is. in ADDition, writing is ultimAtEly AssoCiAtED with EDuCAtion AnD EDu
it is A wiDEly hElD misConCEption thAt writing is morE pErFECt thAn spEECh. to mAny pEoplE, writing somEhow sEEms morE CorrECt AnD morE stABlE, whErEAs spEECh CAn BE CArElEss, CorruptED, AnD susCEptiBlE to ChAngE. somE pEoplE EvEn go so FAr As to iDEntiFy lAnguAgE with writing AnD to rEgArD spEECh As A sEConDAry Form oF lAnguAgE usED impErFECtly to ApproximAtE thE iDEAls oF thE writtEn lAnguAgE.
→ onE oF thE BAsiC Assumptions oF moDErn linguistiCs, howEvEr, is thAt spEECh is primAry AnD writing is sEConDAry. thE most immEDiAtE mAniFEstAtion oF lAnguAgE is spEECh AnD not writing. writing is simply thE rEprEsEntAtion oF spEECh in AnothEr physiCAl mEDium. spokEn lAnguAgE EnCoDEs thought into A physiCAlly trAnsmittABlE Form, whilE writing, in turn, EnCoDEs spokEn lAnguAgE into A physiCAlly prEsErvABlE Form. writing is A two-stAgE proCEss.All units oF writing, whEthEr lEttErs or ChArACtErs, ArE BAsED on units oF spEECh, i.E., worDs, sounDs, or syllABlEs. whEn linguists stuDy lAnguAgE, thEy tAkE thE spokEn lAnguAgE As thEir BEst sourCE oF DAtA AnD thEir oBjECt oF DEsCription (ExCEpt in instAnCEs oF lAnguAgEs likE lAtin For whiCh thErE ArE no longEr Any spEAkErs).
thErE ArE sEvErAl rEAsons For mAintAining thAt spEECh is primAry AnD writing is sEConDAry.
First, writing is A lAtEr historiCAl DEvElopmEnt thAn spokEn lAnguAgE.
CurrEnt ArChEologiCAl EviDEnCE inDiCAtEs thAt writing wAs First utilizED in sumEr, thAt is, moDErn-DAy irAq, ABout 6,000 yEArs Ago.
As FAr As physiCAl AnD CulturAl Anthropologists CAn tEll, spokEn lAnguAgE hAs proBABly BEEn usED By humAns For hunDrEDs oF thousAnDs oF yEArs.
→ sEConD, writing DoEs not Exist EvErywhErE thAt spokEn lAnguAgE Exists. this sEEms hArD to imAginE in our highly litErAtE soCiEty, But thE FACt is thAt thErE ArE still mAny CommunitiEs in thE worlD whErE A writtEn Form oF lAnguAgE is not usED, AnD EvEn in thosE CulturEs using A writing systEm, thErE ArE inDiviDuAls who FAil to lEArn thE writtEn Form oF thEir lAnguAgE. in FACt, thE mAjority oF thEEArth’s inhABitAnts ArE illitErAtE, though quitE CApABlE oF spokEn CommuniCAtion. howEvEr, no soCiEty usEs only A writtEn lAnguAgE with no spokEn Form.
thirD, writing must BE tAught, whErEAs spokEn lAnguAgE is ACquirED AutomAtiCAlly.All ChilDrEn, ExCEpt ChilDrEn with sErious lEArning DisABilitiEs, nAturAlly lEArn to spEAk thE lAnguAgE oF thE Community in whiCh thEy ArE Brought up. thEy ACquirE thE BAsiCs oF thEir nAtivE lAnguAgE BEForE thEy EntEr sChool, AnD EvEn iF thEy nEvEr AttEnD sChool, thEy BEComE Fully CompEtEnt spEAkErs. writing systEms vAry in ComplExity, But rEgArDlEss oF thEir lEvEl oF sophistiCAtion, thEy must All BE tAught.
FinAlly, nEurolinguistiC EviDEnCE (stuDiEs oF thE BrAin in ACtion During lAnguAgE usE) DEmonstrAtEs thAt thE proCEssing AnD proDuCtion oF writtEn lAnguAgE is ovErlAiD on thE spokEn lAnguAgE CEntErs in thE BrAin. spokEn lAnguAgE involvEs sEvErAl DistinCt ArEAs oF thE BrAin; writing usEs thEsE ArEAs AnD othErs As wEll.
→ so whAt givEs risE to thE misConCEption thAt writing is morE pErFECt thAn spEECh thErE ArE sEvErAl rEAsons. For onE thing, thE proDuCt oF writing is usuAlly morE Aptly worDED AnD BEttEr orgAnizED, ContAining FEwEr Errors, hEsitAtions, AnD inComplEtE sEntEnCEs thAn ArE FounD in spEECh. this pErFECtion oF writing CAn BE ExplAinED By thE FACt thAt writing is thE rEsult oF DEliBErAtion, CorrECtion, AnD rEvision, whilE spEECh is thE spontAnEous AnD simultAnEous FormulAtion oF iDEAs; writing is thErEForE lEss suBjECt to thE ConstrAint oF timE thAn spEECh is. in ADDition, writing is ultimAtEly AssoCiAtED with EDuCAtion AnD EDu
【单选题】 The passage suggests that the speed at which communication through pheromones occurs is dependent on how quickly they
A.( lose their effectiveness
B.( evaporate in the air
C.( travel through the air
D.( are produced by the body
A.( lose their effectiveness
B.( evaporate in the air
C.( travel through the air
D.( are produced by the body
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