[今日更新]2024年河北省初中毕业生学业考试模拟试卷（押题一）.物理试卷答案

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[今日更新]2024年河北省初中毕业生学业考试模拟试卷（押题一）.物理试卷答案试卷答案

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offices.Theyarelessinterestedinworkinginsmallrestaurants.TheCOVID-19healthcrisisalsohurtsales,preventingforeignvisitorsandlocalsfromeatingout28.Whatdoweknowabouthawkersfromparagraph2?A.TheyareSingaporenatives.B.Theyarefamouschefs.C.Theysellgoodsintheopen-airarea.D.Theyarepopularallovertheworld.29.WhyishawkercultureaddedtoUNESCO'slist?A.ForitsimportanceinshowingSingapore'sculture.B.FortheeffortsSingaporehasmade.C.ForthereportSingaporeprovided.D.FortherecommendationbyUNESCO.30.WhyisthefilmCrazyRichAsiansmentioned?A.Toshowthepopularityofhawkercenters.B.Totelltheexperienceofthestars.C.Tointroducethesettingofthefilm.D.TohelpthesellersreceiveMichelinstars.31.Whatisthelastparagraphmainlyabout?A.Theaverageageofhawkers.B.Thedifficultieshawkercultureisfacing.C.TheeffectcausedbyCOVID-19.D.Thefutureofthehawkerculture.DThesunissetting,brighteningyourkids'facesastheyplayinthewaves.Youreachforyourphoneforthisperfectmoment.Butbeforeyoudo,here'sabitofsurprisingscience:Takingphotosisnottheperfectwaytokeepmemoryasyouthink.Takingtoomanypicturescouldactuallyharmthebrain'sabilitytokeepmemories,saysElizabethLoftus,apsychologyprofessorattheUniversityofCalifornia.So,wegetthephotobutkindoflosethememory.Photography"outsources"memories.Itworksintwoways:Weeithershakeofftheresponsibilityofrememberingmomentswhentakingpictures,orwe'resodistracted()bytheprocessthatwemissthemomentaltogether.Thefirstexplanationisthelossofmemory.Peopleknowthattheircameraisrecordingthatmoment,sotheydon'ttrytoremember.Theotherisdistraction.We'redistractedbytheprocessoftakingaphoto-howweholdourphone,composingthephoto,suchassmilingfaces,thebackgroundtoourlikingandclearimage,allofwhichusesupourattentionthatcouldotherwisehelpusmemorize.However,takingphotoscanhelpmemorywhendonemindfully.Whiletakingaphotomaybedistracting,theactofpreparationbyfocusingonvisualdetailsaroundhastheopposite.Whenpeopletakethetimetotakeclearpictures,memoriesbecomestrengthened.Anotheradvantageisthatwerecallmomentsmoreexactlywiththephotos.Memoryhasbeenreshapedwiththehelpofnewinformationandnewexperiences.Thus,photosorvideoshelpusrecallmomentsasiftheyreallyhappened.Memoriesdieawaywithoutavisualrecordbackingthemup.Therefore,aphotoisanexcellenttooltohelprememberwhendonepurposefully,whichisworthexploringfurther.32.Whatisthepurposeofthefirstparagraph?A.Topresentthetopic.B.Toshowthebackground.C.Toprovideanexample.D.Tomakeanargument.33.Whydoesphotography"outsource"memories?A.Takingphotosishelpfulforustomemorize.B.Photosaremoredetailedthanmemories.C.Manysourcesinfluencepeople'smemoriesduringphoto-taking.D.Peopledependmoreonphotostorememberthantheirbrains.高一英语学科试题第5页共8页

(1)通过目镜看到屏上的干涉条纹如图乙所示,调节手轮,分划板的中心刻线刻线跟亮条纹A的中心对齐时,手轮上的示数如图丙所示,其读数x1=mm,分划板的中心刻线跟亮条纹B的中心对齐时,手轮上的示数如图丁所示,其读数x2=

90^。,若粒子射入磁场时的速度大小为v2,则粒子在磁场中运动的时间为粒子离开磁场时,其速度方向偏转t2;60^。,不计粒子重力,则A.t1t2=32B.t1t2=233C.v1v2=23D.v1v2=33

L1的电阻小于L21.如图所示,电源的内阻不能忽略,R为滑动变阻器,灯泡电阻不变且的电阻,现将滑动变阻器的滑片向左移动,则I5&5I=5&6c(R)<R2L1L1和L22.A.灯泡的亮度均增犬U=5&5U=B.灯泡L1的电流变化量的大大电流÷量的大小C.灯泡L1的电压变化量的大小小于L2的电压压变化量的U△(1)二D.灯泡L1的功率变化量的大小大于L2的功率变化量的I+3+15R[d=5&(2712=+121