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1、2019-2020年高考英语一轮复习Module1OurBodyandHealthyHabits考点规范练7（含解析）外研版必修2Ⅰ.阅读理解Doesitannoyyouwhenyourparentsmakeyoudrinkacartonofmilkwhenyouwantacanofsoda?OrdoyouhatebeingtoldtogoforarunwhenyourfavoriteTVshowison?Well,maybeyoushouldlistentoyourparentsbecausetheyareonlytryingtohelpyou.Withoutproperdiet
2、andexercisekidsareatriskofdevelopingfragileboneswhentheygetolder.That’sbecauseourbodiesareverygoodatbuildingbonesuntilabouttheageof30,whentheprocessstops.Dr.LawrenceRaisz,scientificeditorofThexxSurgeonGeneral’sReportonBoneHealthandOsteoporosis(骨质疏松症),agrees.“We’reinbadshape,”hesays.Hisreportpr
3、edictsthatby2020,halfofallAmericansovertheageof50willbeatriskoffractures(骨折)becauseoflowbonemass.“Kidstodayare—what’stheexpression?—they’reputerpotatoes.Theyhavelotsofsoftdrinksandnotenoughgoodcalcium-rich(富含钙质的)food.”Andtherein(在其中)liestheproblem,becausecalciumandexercise,alongwithvitaminD,ar
4、etheimportantponentsforbuildingupstrongbones.Ifyouthinkofyourbodyasahouse,thenyourskeleton(骨架)isthesupportingframe—aframemaintainedandstrengthenedbycalcium.Oncewehitour30s,ourbodiesstarttodrawfromthecalciumstoredinourbones.Ifthereisenoughcalcium,thenthestructurewillstandfirm,butifthere’snot?Pi
5、cturetheframeofahousedevoured(吞噬)bytermites(白蚁),thewoodbrittle(易折的)andfilledwithholes.That’swhatosteoporosisdoestoyourskeleton.Thesecondhalfoftheskeletonbuildingequation(等式)isexercise.Foroptimum(最适宜的)bonehealth,theSurgeonGeneralremendsthatchildrenget60minutesofweight-bearing(负重)orstrengthening
6、exerciseaday.Aswithmuscles,bonesgrowstrongerwithuse;plentyofexercisemeansplentyofbonehealth.“Ifyoudoanhourofexerciseaday,itdoesn’tmattersomuchwhatitis,”Raiszsays.“You’retellingyourbonesthey’vegottogrow!”1.AccordingtoDr.LawrenceRaisz,whywillmanyAmericanshaveweakbonesinthefuture?A.Becausetheirbo
7、dywillstopbuildingbones.B.Becausetheyarenotfamiliarwiththestructureofthebody.C.Becausetheyhaveanunhealthydietanddonotexerciseenough.D.Becausetheycan’taffordaqualifieddoctor.2.WhichofthefollowingisNOTtheimportantfactorsforbuildingupstron
