2024年陕西省初中学业水平考试 万唯原创 临考金卷物理试卷答案试卷答案,炎德英才答案网站目前收集并整理关于2024年陕西省初中学业水平考试 万唯原创 临考金卷物理试卷答案试卷答案得系列试题及其答案，更多试题答案请关注我们
2024年陕西省初中学业水平考试 万唯原创 临考金卷物理试卷答案试卷答案
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Step:Wetouchourfacesaround3,000timesaday-ofteninvitinggerms()toenterourmouth,nose,andeyes.Usetoiletpapertoavoidtouchingthedoorhandle.And,mostimportantly,washyourhandsoftenwithhotrunningwaterandsoapfor20seconds.3.Howoftendoyouthinkaboutfightinggerms?Finding:Seniorsarenotfightinggermsaswellastheyshould.Step:Beawareofgerms.Doyouknowitisnotyourtoiletbutyourkitchensponge()thatcancarrymoregermsthananythingelse?Tokillthesegerms,keepyourspongeinthemicrowavefor10seconds.1.WhatisfoundoutaboutAmericanseniors?A.Mostofthemhavegoodhabits.B.Nearly30%ofthembathethreedaysaweek.C.Allofthemarefightinggermsbetterthanexpected.D.Aboutonethirdofthembrushtheirteethonlyonceaday.2.DoctorssuggestthatpeopleshouldwashtheirhandsA.twiceadayB.eighttimesadayC.fourtimesadayD.threetimesaday3.Whichofthefollowingistrueaccordingtothetext?A.Weshouldkeepfromtouchingourfaces.B.Akitchenspongecancarrymoregermsthanatoilet.C.Therearelessthan300typesofbacteriainthemouth.D.Weshouldwashourhandsbeforetouchingadoorhandle.4.ThetextprobablycomesfromA.apopularmagazineB.abookreviewC.aguidebookD.anofficialdocument【语篇导读】本文是一篇说明文
文章主要关注美国老年人健康习惯的问题
文章列出几种老年人需要遵守的良好健康习惯状况的调查结果，并分别提供了相应的专家建议
l.D细节理解题
由第一个问题Finding部分的Afull33%ofseniorsbrushtheirteethonlyonceaday.可知，大约三分之一的美国老年人每天仅刷一次牙
2.B细节理解题
由第二个问题Finding部分的Andnearly30%washtheirhandsonly4timesaday-halfofthenumberdoctorsrecommend.可知，几乎百分之三十的老年人一天只洗四次手一是医生推荐量的一半，即医生建议一天要洗八次手
3.B细节理解题
由第三个问题Step部分的Doyouknowitisnotyourtoiletbutyourkitchenspongethatcancarrymoregermsthananythingelse??可知，厨房的海绵携带病菌的数量要比厕所还要多
4.A推理判断题
本文主要讲述美国老年人的健康习惯，是一篇健康类说明文，因此推断应该刊登在受欢迎的杂志上
二、七选五（共5小题；每小题4分，满分20分）根据短文内容，从短文后的选项中选出能填入空白处的最佳选项
选项中有两项为多余选项
Weallknowaboutthehealthbenefitsofswimming,includingbuildingendurance,musclestrengthandcardiovascular(fitness.5Manypeoplefeelthatswimmingisveryexcitingandrelaxing.Cold-waterswimming-sometimescalledwildswimming-involvesswimminginnaturalareasincludingponds,riversandthesea.Jumpingincoldwatergivesashortsharpshocktothebody.6Acolddipmightwakeyouup,butresearchhasfounditcanhavemuchbiggerbenefitsthanthoseforyourbodyandmind.Aswellasbeinggoodexercise,cold-waterswimmingimproveswell-being.7Onemanwhosufferedconstantpainaftersurgeryclaimedhewascuredbytakingaswimincoldopenwater.Andanotherswimmer,SandriaSimons,toldtheBBC"theimmersionofyourbodyincold,saltwater,justfeelinglikeyou'reatonewithnatureifyoulike,justfeelsamazing."Whatisitthatpeoplearegainingfromthiscoldexperience?Doctorssaygettingintocoldwatermakesastressresponse,butthemoreyoudoit,yourreactiontostressisreduced.8Inaddition,cold-waterswimmingcanexerciseswimmers'willpower.Buttherearebiggerbenefitsofthisexercise.Someexpertsbelievecold-waterswimminghelps"cross-adaptation",whereoneformofstresspreparesthebodyforanother.9·41·
2024年陕西省初中学业水平考试 万唯原创 临考金卷物理试卷答案第一部分
14.(12分=60^,(1)磁感应强度大小和电场强度大小;R14.(12分)如图所示,水平虚线MN上方半径为R的半圆区域内有垂直于纸面向里的匀强磁磁O场,半圆磁场的圆心O在MN上,虚线下方有平行纸面向上的范围足够大的匀强电场。m、q个质量为m、电荷量为q的带正电的粒子从O点以大小为v的初速度平行纸面射人磁场,v0速度方向与速度方向与ON的夹角0=60°,粒子在磁场中运动的圆轨迹刚好与磁场边界相切,粒子进人电场后又从P点进入磁场OP=32R,不计粒子的重力。求:(2)粒子在电场和磁场中运动的总时间。
2024年陕西省初中学业水平考试 万唯原创 临考金卷物理试卷答案第二部分（待更新）
2.如图所示,弯曲导线AC固定在绝缘水平面内,处在水平向右的匀强磁场中,A、C连线与磁场方向夹角为θ,给AC通入恒定电流,AC受到的安培力大小为F,若将磁场在水平面内沿顺时针方向2-,导线中电流不变,则磁场转动后导线受到的安培力大小为A.FsinθB.FcosθC.FD.F
