[今日更新]2024年中考第一次模拟考试（山西卷）.物理试卷答案

[今日更新]2024年中考第一次模拟考试（山西卷）.物理试卷答案试卷答案,我们目前收集并整理关于[今日更新]2024年中考第一次模拟考试（山西卷）.物理试卷答案得系列试题及其答案，更多试题答案请关注微信公众号：考不凡/直接访问www.kaobufan.com(考不凡)

[今日更新]2024年中考第一次模拟考试（山西卷）.物理试卷答案试卷答案

以下是该试卷的部分内容或者是答案亦或者啥也没有，更多试题答案请关注微信公众号：考不凡/直接访问www.kaobufan.com(考不凡)

therwisegotosteanddistrbuingpofainghunger.Weworkwithmanufactuersretailers,andfamerstoreduceoodwasteandgetrescudfopeopeed.Weidentfyfoodatriskofgoingaste,offrreseuedfodofodbanks,safeyshipfoodoverlongdistancesandkeepfoodfreshlongeronceitreachesafoodbank.28.WhatdoweknowaboutthefoodinAmerica?A.Itisbarelyenough.B.Itisquiteabundant.C.Itiseasilyavailable.D.Itisincreasinglyinsufficient.29.Whatdoestheunderlinedphrase"equatesto"inparagraph3mean?A.Consumes.B.Multiplies.C.Wastes.D.Equals.30.HowdoestheauthorrevealthefoodwasteinAmerica?A.Bymakingcomparisons.B.Bypresentingdata.C.Bylistingreasons.D.Byofferingexamples.31.WhatdoesFeedingAmericaactuallydo?A.Itteachespeoplehowtogrowfood.B.Iturgesgovernmenttotakeaction.C.Itsavesfoodfrombeingwasted.D.Itaimstorelieveworldhunger.OneofthemostcommonbeliefsamongresearchersisthathumansfirstarrivedinNorthAmerica16,000yearsago.Accordingtoarecentfossildiscovery,thatmightnotbetrue.ThenewfindingsuggeststhathumansmighthavearrivedinNorthAmericafarearlier.In2ol3,adamagedmammoth(猛犸象)skullandotherbonesthatlooked“deliberatelybroken"werefound.Thedamagetothebonessuggestedthathumansweretheoneswhocausedittomaketools.Carbon-datinganalysissuggestedthepiecesareroughly37,000yearsold.Thisdiscoverycouldshiftourunderstandingofhumans'earliestexistenceinNorthAmerica.Thesefossilssuggesthumanskilledanimalsintheareamuchearlierthan16,000yearsago.PreviousresearchledscientiststobelievethefirsthumansthatsettledinNorthAmericabelongedtotheClovisculture.Thiswasagroupofpeoplewholeftbehindcarefullymadetools16000yearsago.However,carbon-datinganalysisofthemammothbonesindicatesthatthesiteisaround36,250to38,900yearsold.Thatmeansit'stheoldestknownsiteleftbe-hindbyancienthumansinNorthAmerica."That'snottheonlyinterestingthingaboutthediscovery,"saidTimothyRowe,apro-fessorattheUniversityofTexas."Thesimilarfindingssupportinganearlierdateforhumanrivahavebeenmostlyignored.Thisisbecausetheyhavecontradictedpreviousresearch.Now,however,hethinksthere'sagoodchancethatresearcherswillfindevidenceofhumansfartherbackintime.Theumshapedbonesnsharpblades,whichweresdotakernmremns,Rowe.Thereareasosignsthattheycookedtheanimalboesvea【高三英语第6页（共10页）】·23-144C·

(3)该同学接着转动手轮,当分划板中心刻度线与第6条亮纹中心对齐时,读数是17.3n,已知装置中双缝间距为0.2mm,,双缝到屏的距离是1.0m,,则测得此单色光的波长为为6.0×10-7m(保留两位有效数字).x=cx=

4.质量为M(含燃料)的火箭模型静置在地面上,点火升空,在极短时间内以相对地面的速度v0竖直向下喷出质量为m的炽热气体.忽略喷气过程中重力和空气阻力的影响,则喷气结束时火箭模型获得的速度大小是A.mv0MB.Mv0mC.Mv0M-mD.mv0M-m

★6.如图所示,质量为M=1kg的物块放在水平桌面上,桌面的左端固定一光滑定滑轮,轻绳绕过定滑轮,一端连接在物块上,另一端吊着质量为m的小球,物块与滑轮间的轻绳水平。由静止释放物块,当小球的质量为0.5kg时,物块由静止开始到在水平桌面上运动0.5m所用的时间为1s。已知重力加速度大小g取10m/s^2,