（1分）mU22联立得W2sin0cos0122sin 0cos0tan0/1根据数学知识可得当时，即tan0=2时，W取最小值（1分）答案解析网千中带-tanθ=tan0Wmin=90J（1分）答案解析网（3）机器人落在B木板上时，水方向动量守恒Mvcosθ=（M十2m）v共（1分）答案解析网机器人连续3次等间距跳到B木板右端，整个过程机器人和B木板组成的系统水方向动量守恒.设每次起跳机器人的水速度大小为v，B木板的速度大小为vB，机器人每次跳跃的时间为△t，得（M+m）u共=Mu。—mUB（1分）答案解析网LB，可得（UB）答案解析网3从开始到木板B追上木板A，B木板的位移为xB=3uB△t=xA答案解析网C木板的位移为xc=3v#△t（1分）答案解析网A、C两木板间距为xAcxA十xc十L答案解析网7解得AC（2分）.小酒装申，皮五（八）答案解析网厂田式电办支造申点（：群4

播产生的影响。（2分）声（3）综合上述材料并结合所学知识，谈谈你对中华传统文化的认识。（2分）27.（16分）阅读下列材料，回答问题。开物这村料一大都二思自从大运河沟通南北两大流城以后···运河开到哪里经济就发展到哪里。在大运河开通以后，江准一带出现一系列商业大城市，和北方黄中东支正矿河流城的大城市并驾齐驱，地位越来越重要。大运河打通了南北航运.·..南北朝对時100多年来南北的界限消除了。—摘编自朱《大运河的变迁》重餐电点元朝的运河和海运航线图材料二早在10世纪末，四川地区就产生了世界上最早的纸币。北宋四川的成都府路经济、贸易都相当发达，但是商品交换的媒介却是笨重而面额小的铁钱。重六十五斤的十赏小铁钱，其购买力才相当于重五斤的一贯小铜钱，如果要买一匹丝绸，铜钱只要两赏，铁钱却要二十贯，重达一百三十斤，交易过程中十分不便，这样新的交易媒介应运而生。——摘编自游彪《追宋：细说古典中国的黄金时代）材料三明清时期，跨地区贸易的商品品种大量增加，尤其是大众消费品，增加幅度最大。到码片战争前夕、以粮食、棉花、棉布、生丝、丝织品、盐、茶七大商品为代表，长途贸易量均大约占到了国内贸易量的20%。由于商业活动规模和范国的扩大，自16世纪后期始，在地缘组带基础之上的商人团体也形成了。（1）根据材料一文字并结合所学知识，概括隋朝大运河贯通的作用。（3分）根据材料一图片，——摘编自张岂之（中国历史新编古代史）扬进指出元朝新开凿的运河河段。（2分）不朽（2）根据材料二并结合所学知识，指出“世界上最早的纸币”（2分）并概括其最早出现在四川性地区的原因。（3分）渐形（3）根据材料三，概括明清时期商业发展的表现。（3分）清朝的经济繁荣表现在商业、农业等多方面，结合所学知识，简述玉米、甘薯等高产作物的引进与推广对清朝社会产生的影响。（3分）七年级历史期末试题-5-（共6页）

（1）材料一中的人物对中国革命道路的认识发生了怎样的转变？（2分）装（2）据材料二并结合所学知识，结合一例史实说明邓小“把改革开放和社会主义现代化建设步一步推向前进”。（2分）（3）综上所述，谈谈上述人物对我国历史发展的影响。（2分）23.（6分）阅读下列材料，回答问题。材料一据统计，在1946年人民治理黄河以前的几千年中，黄河中下游决口泛滥1500多次，较大的改道有26次。洪水退去后，面积广大的黄泛区黄沙漫漫、寸草不生，人民生活极为困苦。在这种条件下，党中央决定，在黄河中下游修建引黄灌溉工程，造福人民。1952年底，河南新乡建成人民胜利渠引黄灌区。该灌区共建成渠道4945公里，可灌溉农田72万亩，使饱受洪水之灾的黄河下游人民，首次得到了引黄河水灌溉之利。候都是真理。（1）据材料一并结合所学知识，概括“人民胜利渠引黄灌区”的作用。（2分）（2）身为河南人，我们应该多了解家乡的发展。请写出两个了解河南的途径。（2分）内（3）为了让“中国碗”装上更多的“河南粮”，请谈谈你的想法。（2分）24.（6分）请阅读下面图片，从中提炼一个观点，结合世界近代史的相关史实，写一篇80~120字的小短文。（要求：题目自拟，观点明确；史实正确；条理清晰，语句通顺，表述完整）攻占巴士底狱伏尔泰（1694-1778）莎士比亚（1564-1616）25.（6分）阅读下列材料，回答问题。当今世界重要的国际组织材料一④不结盟运动③欧盟②世界贸易组织答①联合国—摘编自《国际组织年鉴》教卫、体育、环境、气候、贫困、人口、妇女、儿童等众多领域。鼎历史第4页（共4页）

第二部分阅读第二部分阅读（D)23.Whichrestauranthasagreatwaterview?(B)26.What has Harold's project become?A.MartinBerasategui.A.A science museum.B. Imprevisto.B.A community landmark.C.Afamilybusiness.C.Moments.D.A research center.D. Ola Martin Berasategui.第二部分阅读HaroldSimmonsneverexpected tobecome aneighborhoodlegend.At第二部分阅读（B) 27.What does Harold's story prove?73.hewasjustaretired（退休的）workerwith toomuch freetimeandanemptybackyard.Therefore,hestarted asimplegardenrailroadproject.A.Retirementofferstheperfecttime tolearnItbeganwitha singletrackand anold steamengine（蒸汽机）henew skills.gotfrom ayardsale.Each day,hewould add tiny details-a tinygeneralstore,a littlechurch,some handmade trees.Neighborhoodchildren wouldB.Whatstartedsmall finallybecamesometimeswatchhimwork.something amazing.Oneespeciallycurious10-year-oldnamedMaya startedvisiting everyday after school.Her working parents wereglad that Harold didn't mindC. Hope can bring people together inher watching him work.He'dexplaineach tiny detail.“See this?"he'dunexpectedways.say.“It's modeled after the ones thatbuilt Oregon's logging communities.D.Agreat community is filled with joy andMayawouldlistenwithgreatinterest.kindness.to admire Harold'sgrowing landscape. Children brought their parentRetiredworkerssharedstoriesabouttherealtrainsandtownsthemrepresented（代表）Maya talkedheruncleintocreatingawebsite to showHarold'srailroad.It soonbecame popular.PeoplestartedsendingHarold tinypieces第二部分阅读第二部分Thebesteducation a childcanreceiveisone that'spersonalized andlikea tinywater towerfromWisconsin.Soon therailroadbecamealivingdesignedfor theiruniqueneedsandlevel.When childrenreceive support,historymuseum,aclassroom,andaget-togetherplacetheyremorelikelytostayfocusedonthelearningprocess（过程）anddoWhenthelocalprimaryschoolheardaboutHarold'sproject,theytheirbest.askedifhedbewillingtohostafieldtrip.Haroldwassurprised.Suddenly,Now,Israel is taking an excitingstep towardmakingcustomized（定classrooms ofchildrenwere learninghistory,engineering,and creativity制的）learningarealitythroughAI-powered technology.Thismove isthroughhistinyrailroadtheresultofapartnershipbetweeneSelf,atechcompany thatprovidesOnweekends,Haroldwouldletchildrencontrolthetrains.TheirsmallcustomizedAltutors（导师）,andtheCenterforEducationalTechnology阅读hands carefully managed the controllers,and their faces lit up with joy.Israel’slargesttextbookpublisherforK-12students.ThispartnershipcouldSomeparentsnoticed theirkidswerelearningpatience and storytellingmakeIsraelthefirstcountrytoprovideAl-driventutoringnationwidethroughthissimple hobbyThe technology includes speechrecognition,video creation,andlargeBy the time Harold turned 80,local schools had includedvisitinglanguagemodels.Students can even customize their AI tutorsappearanceand personalities according to their preferences.The AI tutors play ahisbackyard intheir curriculum.Retirement homes had organizedgrouptrips.Artists and historians had turned to him.The tiny tracks had bekeyroleinsupportinglearning.Ifstudentsgooff-topic,theAItutorsdesignedtogentlybringtheirattentionbacktothematerial.Th&yasomethingmagical,showinghowcreativity and opennesscouldbisupportstudentsin studyingfortestsandreviewingand understanconnectionsfarstronger than anyonecouldimagine.material.第二部分阅读第二部分At theheart oftheprogram isapowerful goal.“Educationis one of(A)24.WhydidHaroldstartbuildingthegardenthe strongestsignsoffuturechances-yetgettingqualitysupportremainsdeeplyunequal（不等的）,”Pereira,theleaderoftheprogram，said.Forrailroad?example,private tutoringcancost upto$70every hour,andsometimesA.Topass thefreetime.more,makingitunaffordableformanyfamilies.”Thepilotprogramplanstogive10.oooIsraelistudentsachance touseAI tutorsforfree.After theB.Tohostschoolfield trips阅读testperiodends,apaidserviceisplanned,withpricesexpectedtobemuchC.To educatelocal children.lowerthanthoseofotherprivatelessons.D.To make his backyard popular.It'sanhonortoleadaneffortthatshowshowAIcanbeusedforgoodPereira continued.“If the program is successful,Israel may pave thewayforabrighter,moreequal futureforstudentsworldwide.第二部分阅读第二部分阅读（C)28.What is paragraph 1 mainly intended to（C)25.What doweknow aboutMaya?A.She designed parts of the landscape.show?A.Students'full potential in learningB.She collected tinypiecesforHarold.C.She helped publicize Harold'sproject.B.The importance of staying focused.D.She aidedHarold inbuilding therailroadC.The benefits of customized learning.D.Students'differentneedsand levels.3

同步练第4版1.单项选择。READINGany trees on the hill last任务型阅读（B）1.—youweekend?1-5CBAEDYes.So far,weover5,000treesthere.语篇填空A.Did;plant;planted1.flowers2. moved3.sinceB.Did;plant;have planted4.for5. producing6.itsC.Have;planted;planted7.carefully8.popular9.tryD.Have;planted;have planted10.carriesIL.根据汉语意思完成句子，每空一词。2.不健康的饮食惯会导致疾病。Unhealthy eatinghabitswillleadtoillness.基础训练GLOBAL1.将括号中所给的汉语部分译成英语，注意使用适当的形式。学美报社1.Theteamdecided towork togetheron theprojecttogetbetterresults.（合作）EARNINGENGLISH2.Climate changemayleadtomoreextreme（极端的）weatherevents.（引起）3.—The moviewas sogreat.九年级★河南第5期（第5-6版）Yes.Themusicinitwasamazingaswell.(也）能力提升4.Spending too much time on screens canbebadfor/be（第二章第一节）harmfulto/doharmtoyoureyes.（对.....有害处）5.Ialwaystry tobuyenvironmentallyfriendlyproductstohelpsaveourplanet.(环保的)为保证呈现效果，请使用WPS版本打开课件：课件页面宽高比为169，请尽量选用宽高比一致的电脑播放。II.阅读短文，根据语篇要求填空，使短文通顺、意思第一节听下面5段对话。每段对话后有一个小题，完整。每空限填一词。从题中所给的A、B、C三个选项中选出最佳When people talk about air pollution,they usually一听力理解答案。每段对话读两遍。thinkofoutdoor airpollution.But doyouknow thatthereC)1.What doesAlanprefertodo?1alsoairpollutioninsidehomes,offices,hotels,andotherbuildings? The air insideyourhome can be 2 to 100 timesA.Tohaveapicnic.B.To camp in the forest.C.Towatch TVathome.morepolluted2outdoorair!AccordingtosomeAmericandoctors,lotsofillnesseshavesomethingtodo（B） 2.Where did the girl go last Saturday?A.To the zoo.withpollutedindoorair.B. To the park.A lotofindoor airpollutioncomesfromindoorC.To the museum.activities such as smoking and cooking.Most people（A)3.What'swrongwithBen?spendabout80%to90%oftheir time indoors,soit isA.He is deaf.B. He goes blind.important3takeindoor airpollutionseriously.C.He has a stomachache.Airpollution affects ourhealth inmanyways.When the airispolluted,it doesharm tonotonlyyoungpeople,butalso4old,especiallythosewith(C) 4. Where is Bob's school uniform?healthproblems.BothindoorandoutdoorairA. On the bed.B. On the sofa.pollutioncanleadtoseriouslungandheartdiseases.C.In thewashing machine.DuringtheGreatLondonFog（雾)in1952,over4,000(A) 5. How does the girl advise the boy to go topeople died5just a few daysbecause of thepollution！the museum?In India,it isreported that half a millionyoungA.By bike.B. By bus.children andwomen die eachyear asa result ofindoorC. By subway.air pollution!is2.than3.to4.the5in第1版听力材料1.W:Would you like to have a picnic in the forest,Alan?本期参考答案FOCUSM:Well,lookatthedirty airoutside.IprefertostayTASK1athome towatch TV.1-3DAB2.M:Ivisited themuseumwithmysisterlastSaturday.TASK2Whataboutyou?1.2017W:Ivolunteered to cleanup thecityparkwithmy2.personalgrowthclassmates.3.pride3.W:What happened toBen?Iheard hewent to the4.educational and interestinghospitalyesterday.M:Well,youknowhehasworked at the airportfor305.gladyears.It causes him to lose his hearing.

（2）0~t时间段用sO2表示的化学反应速率为N2H2合成塔氨分离器—氧化炉→吸收塔尾气处理装置硝酸（3）已知H-H键键能（断裂时吸收或生成时释放的能量）为436kJ·mol，N-H键键能为391kJ·mol-，N=N键键能为946kJ·mol-，计算合成氨反应中生成2mo1NH3（g）时（填“吸共小##限小#共太醒教（意限合#（4）氧化炉中的化学方程式为（5）向吸收塔中不断通入氧气，含氮化合物最终完全转化为HNO3，若氨分离器中得到3.4tNH3，则理论上可以得到t质量分数为63%的硝酸溶液I.科研团队设计了一款碱性条件下的原电池装置，可将有害负载NH一的含氮化合物转化为N2，减轻环境污染，装置如图所示。AB（6）写出其正极的电极反应20%~30%（7)当消耗3.36L（标准状况）NH时，转移电子的物质的20%~30%KOH溶液量为阴离子交换膜18.（14分）丙烯酸异丙酯常用作有机溶剂和有机合成原料，一种制备丙烯酸异丙酯的合成路线如下：CHC3HBrH2OHO浓HSO4C>CH=CHCOOCH(CH)2丙烯酸异丙酯H2OD催化剂NF淀粉HC3H4O2催化剂C6H1206回答下列问题：（1)从石油中获得汽油、柴油等轻质油的操作名称是(2)A中所含官能团名称是由A生成B的反应类型是（3）X是B的同系物，其相对分子质量比B大14，X可能的结构有种。；其中NaOH的作用是（4）由题可知B生成C的反应类型是（5)M（CH3CH2CH2OH）是C的同分异构体，在加热和催化剂条件下，可被氧气氧化为某种醛类物质，写出对应的化学方程式（填字母）。(6)下列物质可用于实验室鉴别有机物D和F的是a.银氨溶液c.NaOH 溶液b.Na2CO3溶液高一化学试题卷第6页（共6页）

全国100所名校高考冲刺卷B.加水稀释过程中.c（HIO）+c（1O）的值不变Ca点时有AgIO沉淀生成，无Pb（1O）沉淀生成c(Ag+)21011121314三、非选择题：本题共5小题，共60分。弥ONaOH(aq) HSO(aq)RNNHHOMgSO(aq)铝精矿一滤液1浸出滤液2有机相1调pH萃取水相2反萃取除磷系列操作滤渣1（Fe0)水相1NHReO有机相2滤渣3析晶热解ReO还原气体已知:RN+H++ReORN-HReO;H2②ReO是酸性氧化物，HReO的性质与HCIO的性质相似；高酸铵（NHReO）微溶于冷水，易溶于热水。回答下列问题：（1)Na、Mg、P、S元素的第一电离能大小关系为（2）已知“热解”时发生的主要反应为高酸铵晶体与O共热反应生成N2、Re2O，则该反应中氧化剂与还原剂的物质的量之比为（3）“除磷”后，高酸铵溶液经“一系列操作”可得到NHReO晶体，“一系列操作”包括（4）Re2O与水反应的离子方程式为（5）水相1中的阴离子主要是SO和MoO，滤渣2的成分是总反应的化学方程式：反应ICHs(g)+O（g)—→CH(g)+HO(g)△H反应IICH（g）+6O（g）—4CO（g)+4HO（g）△HH=-44kJ·mol。则△H2542kJ·molHO(g）HO（1)2586【25·（新高考）高考样卷·化学·HAIN】化学卷（一）第5页（共8页）

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