Thismissileisdesignedsothatonce_____nothingcanbedonetoretrieveit.
青年女性李××，平素体健，三日前突受惊吓，先心悸易惊，作卧不宁，少寐多梦，舌苔薄白，脉弦治疗宜选
TEXTB
Whatweknowofprenataldevelopmentmakesallthisattemptmadebyamothertomoldthecharacterofherunbornchildbystudyingpoetry,art,ormathematicsduringpregnancyseemutterlyimpossible.Howcould
suchextremelycomplexinfluencespassfromthemothertothechild?Thereisnoconnectionbetweentheirnervoussystems.Eventhebloodvesselsofmotherandchilddonotjoindirectly.Anemotionalshocktothemotherwillaffectherchild,becauseitchangestheactivityofherglandsandsothechemistryherblood.Anychemicalchangeinthemother'sbloodwillaffectthechildforbetterorworse.Butwecannotseehowalooking
formathematicsorpoeticgeniuscanbedissolvedinbloodandproduceasimilarlikingorgeniusinthechild.
Inourdiscussionofinstinctswesawthattherewasreasontobelievethatwhateverweinheritmustbeof
someverysimplesortratherthananycomplicatedorverydefinitekindofbehavior.Itiscertainthatnoone
inheritsaknowledgeofmathematics.Itmaybe,however,thatchildreninheritmoreorlessofarathergeneral
abilitythatwemaycallintelligence.Ifveryintelligentchildrenbecomedeeplyinterestedinmathematics,they
willprobablymakeasuccessofthatstudy.
Asformusicalability,itmaybethatwhatisinheritedisanespeciallysensitiveear,apeculiarstructureofthe
handsorthevocalorgansconnectionsbetweennervesandmusclesthatmakeitcomparativelyeasytolearnthe
movementsamusicianmustexecute,andparticularlyvigorousemotions.Ifthesefactorsareallorganized
aroundmusic,thechildmaybecomeamusician.Thesamefactors,inothercircumstancemightbeorganized
aboutsomeothercenterofinterest.Therichemotionalequipmentmightfindexpressioninpoetry.Thecapable
fingersmightdevelopskillinsurgery.Itisnottheknowledgeofmusicthatisinherited,thennoreventheloveof
it,butacertainbodilystructurethatmakesitcomparativelyeasytoacquiremusicalknowledgeandskill.
Whetherthatabilityshallbedirectedtowardmusicorsomeotherundertakingmaybedecidedentirelybyforces
intheenvironmentinwhichachildgrowsup.
6.Whichofthefollowingstatementsisnottrue?
A.Somemotherstrytoinfluencetheirunbornchildrenbystudyingartandothersubjectsduringtheir
pregnancy.
B.Itisutterlyimpossibleforustolearnanythingaboutprenataldevelopment.
C.Thebloodvesselsofmotherandchilddonotjoindirectly.
D.Therearenoconnectionbetweenmother'snervoussystemsandherunbornchild's.
7.Amotherwillaffectherunbornbabyontheconditionthat____.
A.sheisemotionallyshocked
B.shehasagoodknowledgeofinheritance
C.shetakespartinallkindofactivities
D.shestickstostudying
8.Accordingtothepassage,achildmayinherit____.
A.everythingfromhismotherB.aknowledgeofmathematics
C.arathergeneralabilitythatwecallintelligence
D.hermother'smusicalability
9.Ifachildinheritssomethingfromhismother,suchasanespeciallysensitiveear,apeculiarstructureofthe
handsorofthevocalorgans,hewill____.
A.surelybecomemusician
B.mostlybecomeapoet
C.possiblybecomeateacher
D.becomeamusicianontheconditionthatallthesefactorsareorganizedaroundmusic
10.Whichofthefollowingisthebesttitleforthepassage?
A.RoleofInheritance.
B.AnUnbornChild.
C.Functionofinstincts.
D.InheritedTalents.