John'sscoreonthetestisthehighestintheclass;he____lastnight.

A、muststudy
B、shouldhavestudied
C、musthavestudied
D、issuretostudy
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正确答案:

C

答案解析:

「句意」 约翰的考试分数全班最高;他昨天晚上一定学习了。

「难点」 表示对过去某一动作行为的猜测须要用must have done 这一句型结构。

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_____enoughtimeandmoney,theresearcherswouldhavebeenabletodiscovermoreinthisfield.

A、Giving
B、Togive
C、Given
D、Beinggiven

______is not a serious disadvantage in life.

A、Tobenottall
B、Nottobetall
C、Beingnottall
D、Notbeingtall

She was once a young country wife with chickens in the backyard and a view of _______mountains behind the apple orchard.

A、bluehazyVirginia
B、hazyblueVirginia
C、Virginiahazyblue
D、Virginiabluehazy

There _____ nothing more for discussion, the meeting came to an end half an earlier.

A、tobe
B、tohavebeen
C、being
D、be

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.

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