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按分层总和法计算地基变形时,确定压缩层下限的标准是()

A、σz≤01p0
B、σz≤02p0
C、σz≤02σcz
D、σz≤03σcz
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正确答案:

C

答案解析:

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TEXTD

Personalityis,tolargeextent,inherent--A-typeparentsusuallybringaboutA-typeoffspring.Butthe

environmentmustalsohaveaprofoundeffect,sinceifcompetitionisimprotanttotheparents,itislikelytobecomeamajorfactorlivesoftheirchildren.OneplacewherechildrensoakupAcharacteristicsisschool,whichis,byitsverynature,ahighlycompetitiveinstitution.Toomanyschoolsadoptthe"winatallcosts"moralstandardandmeasuretheirsuccessbysportingachievements.Thecurrentpassionformakingchildrencompeteagainsttheirclassmatesoragainsttheclockproducesatwo-layersystem,inwhichcompetitiveAtypesseeminsomewaybetterthantheirB-typefellows.Beingtookeentowincanhavedangerousconsequences:rememberthatPheidippides,thefirstmarathonrunner,droppeddeadsecondsaftersaying:"Rejoice,weconquer!".Byfartheworstformofcompetitioninschoolisthedisproportionateemphasisonexaminations.Itisarareschoolthatallowspupilstoconcentrateonthosethingstheydowell.Themeritsofcompetitionbyexaminationaresomewhatquestionable,butcompetitioninthecertainknowledgeoffailureispositivelyharmful.Obviously,itisneitherpracticalnordesirablethatallAyoungsterschangeinto'B's.Thewouldneedstypes,andschoolshaveanimportantdutytotrytofitachild'spersonalitytohispossiblefutureemployment.Itistopmanagement.16.Accordingtotheauthor,whatfactorscontributetothebuildingofpersonality?

A.inheritance

b.inheritance,competitionandenvironment

c.competition

d.environment

17.Whichofthefollowingstatementsisnottrueaccordingtotheauthorofthepassage?

A.Schoolsusuallyadoptseverecompetitivepolicies.

B.Studentsareoftendividedbycompetitionresults.

C.Schoolisplacewherechildrencultivatetheircharacteristics.

D.Thestrongerdesireforwinning,thebetter.

18.Thephrase"soakup"isclosestinmeaningto____.

A.pullup

b.takeup

c.takein

d.pullin

19.Whatattitudedoestheauthorholdtowardexaminationsinschools?

A.positive

b.negative

c.doubtful

d.neutral

20.whatsuggestiondoestheauthormakeconcerningthemanagementofschools?

A.AllstudentsbemadeintocompetitiveAtypes.

B.Achild'spersonalitybeconsideredinregardtohispossiblefuturejob.

C.AllstudentsbechangedintoBcharacteristics.

D.Schoolsabolishallformsofexaminations.

Bysaying"thegrowthoftheproportion...toyoungergenerations."(Line2,Para.5),AntheaTinkerreallymeansthat________.

Iwastohavemadeaspeechif_____.

Hewasluredintoacrimehewouldnot____________havecommitted.

Ilongtoalleviate__________,butIcannot.

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