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1、高一年级期末英语模拟试卷试卷满分：120分考试时间：100分钟第一部分听力（共两节，满分20分）做题时，先将答案标在试卷上。录音内容结束后，你将有两分钟时间将试卷上的答案转涂到答题纸上。第一节（共5小题；每小题1分，满分5分）第二部分阅读理解（共两节满分30分）第一节（共10小题，每小题2分，满分20分）阅读下列短文，从每小题所给的A、B、C、D四个选项中，选出最佳选项，并在答题纸上将其涂黑。AIsItBadtoCrossYourLegsWhenYouSit?Crossingyourlegsisanextremelycommonhabit;mo
2、stpeopledon’tevennoticethatthey’redoingitwhentheysitdown.Whileyoumayfinditcomfortabletositwithonekneecrossedovertheother,itmightbecausinghealthproblemsthatyouarenotawareof.AstudypublishedinBloodPressureMonitoringstatedthatsittingwithyourlegscrossedcanincreaseyourbloodpressur
3、e.Thereasonthishappensisbecausethebloodinyourlegshastoworkagainstgravitytobepumpedbacktoyourheart,crossingonelegovertheotherincreasesresistance,makingitevenharderforthebloodtocirculate.Thiscausesyourbodytoincreaseyourbloodpressuretopushthebloodbacktotheheart.Youwon’tfeelanyi
4、mmediateeffects,butifyousitforlongperiodsoftimeit’simportantthatyoutakenoteofhowlongyouhaveyourlegscrossedfor.Youshouldn’thaveyourlegscrossedformorethan15minutes,andit’simportantthatyougetupandwalkaroundatleastonceeveryhour.Crossingyourlegscanalsoleadtoneckandbackpain.Ideall
5、y,it’sbestforourbodiestositwithourfeetplantedflat,hipwidthapart,onthefloor,butit’snoteasytomaintainperfectposturealldayattheoffice.Whenyousitwithyourlegscrossedyourhipsareinatwistedposition,whichcancauseoneofyourpelvicbonestorotate.Sinceyourpelvicbonesupportsyourneckandspine
6、,thiscancausepressureonyourlowerandmiddlebackandneck.Youalsomightnoticethatwhenyousitwithyourlegscrossedforlongperiodsoftimeyourfeetandlegsgettinglyorhavethefeelingofbeingasleep.Thisisbecausewhenonelegsitsontopoftheotheritcausespressureontheveinsandnervesinyourlegsandfeet.It
7、cancausenumbnessand/ortemporaryparalysisinthelegs,ankles,orfeet.Whilethefeelingofdiscomfortmayonlylastaminuteortwo,repeatedlycrossingyourlegsuntiltheyfeelnumbcancausepermanentnervedamage.Sonexttimeyousitdown,trytogetyourselfinthehabitofsittingwithbothofyourfeetonthefloor.Not
8、onlywillithelpyourpostureandstability,butitwillalsosaveyourhealthinthelongr
