_____ if I had arrived yesterday without letting you know beforehand.

The（） in Janet‘s character has hindered her froom advancement in her career.

Aleading___________intelligenceandoperationscompanyhasreleaseditsanalysisofworldwidereportedincidentsofpiracyandcrimeagainstmariners.

Thesmallmountainvillagewas（）bythesnowformorethanonemonth.

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.