Hesetupinbusiness____hisownandwasverysuccessful.
A、inC
「句意」 他独自一人开始经商，并且做得很成功。
「难点」 on one‘s own 是个常用的介词词组，意为“独自”;of one’s own 表示“某人自己的(东西) ”，如： I have a flat of my own. 我自己有套房子。
He set up in business____his own and was very successful.
TEXTC
Therearetwofactorswhichdetermineanindividual'sintelligence.Thefirstisthesortofbrainheisbornwith.
Humanbrainsdifferconsiderably,somebeingmorecapablethanothers.Butnomatterhowgoodabrainhehas
tobeginwith,anindividualwillhavealoworderofintelligenceunlesshehasopportunitiestolearn.Sothe
secondfactoriswhathappenstotheindividual—thesortofenvironmentinwhichheisbroughtup.Ifan
individualishandicapped(不利)environmentally,itislikelythathisbrainwillfailtodevelopandhewillnever
attainthelevelofintelligenceofwhichheiscapable.Theimportanceofenvironmentindetermininganindividual'sintelligencecanbedemonstratedbythecasehistoryoftheidenticaltwins,PeterandMark.Beingidentical,thetwinshadidenticalbrainsatbirth,andtheirgrowthprocesseswerethesame.Whenthetwinswerethreemonthsold,theirparentsdied,andtheywere
placedinseparatefoster(抚养)homes.Peterwasraisedbyparentsoflowintelligenceinanisolatedcommunity
withpooreducationalopportunities.Markwasrearedinthehomeofwell-to-doparentswhohadbeentocollege.Hewasreadtoasachild,senttogoodschools,andgiveneveryopportunitytobestimulated
intellectually.Thisenvironmentaldifferencecontinueduntilthetwinswereintheirlateteens,whentheywere
giventeststomeasuretheirintelligence.Mark'sI.Q.was125,twenty-fivepointshigherthantheaverageand
fullyfortypointshigherthanhisidenticalbrother.Givenequalopportunities,thetwins,havingidenticalbrains,
wouldhavetestedatroughlythesamelevel.
11.Thisselectioncanbestbetitled____________.
A.MeasuringYourIntelligence
B.IntelligenceandEnvironment
C.TheCaseofPeterandMark
D.HowtheBrainInfluencesIntelligence
12.Thebeststatementofthemainideaofthispassageisthat_______.
A.humanbrainsdifferconsiderably
B.thebrainapersonisbornwithisimportantindetermininghisintelligence
C.environmentiscrucialindeterminingaperson'sintelligence
D.personshavingidenticalbrainswillhaveroughlythesameintelligence
13.Accordingtothepassage,theaverageI.Q.is_______.
A.85.B.100C.110D.125
14.Thecasehistoryofthetwinsappearstosupporttheconclusionthat_______.
A.individualswithidenticalbrainsseldomtestatthesamelevelB.anindividual'sintelligenceisdeterminedonlybyhisenvironment
C.lackofopportunityblocksthegrowthofintelligence
D.changesofenvironmentproducechangesinthestructureofthebrain
15.Thispassagesuggeststhatanindividual'sI.Q._______.
A.canbepredictedatbirth
B.staysthesamethroughouthislife
C.canbeincreasedbyeducation
D.isdeterminedbyhischildhood
He resented _____ to wait. He expected the minister _____ him at once.
Even if his letter____tomorrow ， it____too late to do anything.
Underthis（）pressuresomeoftherocksevenbecameliquid.
