2022陕西专升本考试考试真题卷（6）.pdfVIP

2022陕西专升本考试考试真题卷（6）

本卷共分为1大题50小题，作答时间为180分钟，总分100分，

60分及格。

一、单项选择题（共50题，每题2分。每题的备选项中，只有一

个最符合题意）

1.Imagineyouarealeft-hander.Suddenlyeverythinginthe

worldischanged.Thedoorlocksareonthewrongsideof

doors.Theshiftgear(变速器)inyourcarisinthewrong

place.Handlesontinopenersareonthewrongsideandturn

thewrongway.Twenty-fivemillionAmericanswakeupevery

dayinjustsuchasorrysituation.Theyareoneintenof

uswhoareleft-handedandmustfacetheworlddesignedfor

theright-handedmajority.Whyweareleftorright-handed

remainsoneofthegreatestunsolvedmysteriesofscience.

Weknowthatnearlytwooutofthreeleftiesaremenandthat

left-handednessrunsinfamilies.Accordingtoonestudy

almosthalfofthechildrenoftwoleft-handedparentswill

beleft-handed.TheScots-IrishfamilyKerrproducedsomany

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left-handersthatin1470thefamilybuiltitshouse

stairwaywithareversetwist.Ontheotherhand,heredity

(遗传)alonecannotexplainlefties.Atleast84percentof

themarebornoftworight-handedparents.Andin12percent

oftwins,onewillberight-handed,theotherleft.Perhaps

thegreatestpuzzleofallisnotwhysomepeopleare

left-handed,butratherwhysofeware.Infact,almostequal

numbersofindividualswillfavoureithertherightorthe

left.However,scientistsaretryingtosetthingsrightand

theyarebeginningtostudythemanywaysleft-handers

differfromright-handersbyconsideringhowtheirbrains

work.WhichofthefollowingisNOTtrue（）

A．Ifbothparentsareleft-handed,about50%oftheir

childrenwillbeso.

B．The