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2024年河南省中招导航模拟试卷(四)物理试卷答案试卷答案

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9.Whatdoestheunderlinedword"lucrative"inparagraph4probablymean?A.deliciousB.affordableC.profitableD.nutritious10.What'sthemainproblemofcamelmilkinAfrica?-A.LowqualityC.AlackofmarketdemandB.HighpricesD.Alackofmarketingchannels11.WhataiddoesShariftaketothefutureofcamelmilk?A.Hehashisdoubts.C.Heshowshisexcitement.B.Hehasconfidenceinit.D.Heexpresseshisconcerns.Donwostraweriesideiceecmeoutofasupermarketbaningitaspobablyharvestedhenasotripe,immediatelyplacedinforairoeduckvofBythetimeitreachedthepateitmayhavebeepickedfortweeksTheerrywaspickedfromagardenminutesbeforebeingeaten.Thefirstonewillprobablytastelikeaslightlymushy(揿踏踏的)cucumberwithstrongsourflavors.Thesecondislikelytobesweet;theflavourwilllingerinthemouth,asthescentwillonthehands.Supermarketstrawberriesarenotentirelywithoutadvantages:theyareconvenientandavailableinthenorthernhemisphere()inFebruary.ButthetwoberriesdifferfromeachotherinthesamewaythathearingBach'sMassinBMinorinaconcerthalldiffersfromlisteningtoitonacassette()Thehome-grownfruitisaneatablecaseforcultivatingahomegarden.Somepeoplealwaysarguegardeningisawasteoftime.Plantingcool-weathergreens,asgardenersrsthenorth-eastofAmericaaenowdoing,csemmakeses.ConvenientolckesupermarkethevelablellweknmayplacessupplementedweekendsbyfamersmarketsButhesameousaidofcooking:cheapandgoodrestauratsaround,sowhybothertomakeyourownmeals?hatmisnersandsthemheproductorthepurpose.Itistruethatagardencanyieldpeasthattastelikethevibrant(生机勃勃的)，greenspring:ondfncmnhshtkthmeahththeasihyelpckhichneoherand.agarden,especiallythearlyyears,sietfrusrtipantthewrongcropsfortheirsoil.Squirrelshaveahabitofkmsbeansadomates,thenleavingherettootAndevenseason'sharvestbecauseofbadweather.Nomatter.TherealjoyofgardeningisthetimespentdoingitTheeepespeasrasithcookingtngbringnguplrenoralmostanythingwhilsnhekAardenermmreoaroundthefoodobutwithhandsinthedir,suroundedbyfamilyifthegardenishomehfriendsandneighboursinacommunitygarden.Togardenistoatentligeorish.inthegroundandaboveit.

2024年河南省中招导航模拟试卷(四)物理试卷答案第一部分

(1)小组成员利用现有的器材,设计了如图乙所示的实验电路图。实验室所提供的电表的量程都不够大,需要进行改装才能使用。如果将电流表量程扩大到0500mA,,则电阻箱R3的阻值应调为为满足测量电动势的需要,也需要将电压表的量程扩大为04.50V,,小组成员采用了以下的操作:按图乙连接好实验器材,检查电路无误后,将S2接b,将R1的滑片移至最上端,将电阻箱R2,调为零,闭合S1,,断开S3,适当移动R1的滑片,使电压表示数为3.00V;;保持R1接人电路中的阻值不变,改变电阻箱R2的阻值,当电压表示数为V时,完成扩大量程,断开S1。

2024年河南省中招导航模拟试卷(四)物理试卷答案第二部分（待更新）

12.(10分)根据新的交通规,遇行人过斑马线,汽车要停车礼让。如图所示,一辆小汽车在平直马路上以t=28.8km/h的速度匀速行驶,当小汽车的车头距停车线d=8.4m时,司机发现一行人正在通过斑马线,司机紧急测车,待停时,恰有一半车身通过停车线。已知车长L=4.0m,,司机反应时间为0.50s。求:(1)小汽车刹车的加速度大小;(2)此后小汽车以53m/s^2的加速度由静止匀加速出发,此时司机发现400m远的下一个路口的绿灯显示30s0若此路段限速60kkm/h,试通过计算分析该车能否在绿灯熄灭前到达下一个路口。