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    L图,在四棱锥P-ABCD中,PC⊥底面ABCD,底面ABCD是直角形ABLAD.AB/CD.AB=2AD=2CD2,E是PB上的.点QD求证:面EAC⊥面PBC,2)若PC=2.二面角PACE的余弦值为,求直线PA与面EAC所成角的正弦值。能顺02分)尼知椭圆C号+-1>60经过点3,》其右焦点为F30)检的()求椭圆C的标准方程;0名述指〔2)椭圆C的右顶点为A,若点P,Q在椭圆C上,且满足直线AP与AQ的斜率之积为0,求△APQ个环面积的最大值.计算73.2(12分)设向量m=(anx,号)n=(1,z2),fx)=m·n-(a+1)x,a∈R.(1)讨论函数f(x)的单调性;(2)设面数g)-2)-十2a十,者8)存在两个极值点2(a-2)(x1-x2).【名校之约系列2023高考考前冲刺押题卷(三)·数学第4页(共4页)】

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    阅读》高三⑧)eading)NGLISH¥美程第3期tourists总19044角may主管单植山西省教育厅主办单位山西教育教辅传媒集团编辑出版学英语报社社长昌夺明总编李若广编审N6 cy E Rley国内统一刊号CN14072C2021年7月20日星期二http:/Awww..com单元知识点复(Unit3,Module1)OLLECTIONSCHECKING CORNER共55分L1001二1高三版)重点单词用括号内所给单词的适当形式填空。(每小题2.即使大卫知道这项任备很难完或,他色毫不1分,共10分)统豫地接受了(emf的这步录语从句)1.graduate v./n.n.毕业人”根本任务1.Expecting to work in Silicon Valley after his2.occasion n.ad山.偶尔的,,偶然(graduate),Wang is willing to mix3.在那一地区得列好的教育很难shed核心素养的→ad.偶尔地,不时地the two cultures to form his own values.to do)看写“综合语3.tradition n.→a.传统的→2.Paper-cutting is an important part ofad.传统地(tradition)Chinese culture.4.人们认为有规常戴体的人很少海冒,t以4.celebrate v.n.庆祝,庆典3.During the Spring Festival,there are nationalbelieved that..)课标、新课5.power v./nad山.强大的,有力的(celebrate)with feasts and fireworks.5.婚华通常用丝号和花来装佛bedc的逐步落实,ad心.无力的,无能的4.The family were looking for Rose,but did not see对学生基础(dark).动)6.dark n./adj.→.黑暗,漆黑her as she was lying in tota英语阅读量y.使变暗,使变黑5.When I expressed my(congratulate)toV,用适当的情态动国或括号内动词的适当形式填空(每小题1分,共10分)合运用能力7.destroy v,→adj.毁灭性的her,Anna only smiled at me.climb的要求。在n,破坏,摧毁6.Miss Yang received the(invite)to the1.The lift was out of order,soa山装饰的,作装饰film festival,but she refused.the stairs.《学英语》8.decorate v.n,装饰,装饰品7.Dr.Tedros has also blamed some countries for2.Susan has a great giftfor ms and she报》英文版用的(serous)9hoil v./n.a山热的,沸腾的failing to take the outbreakplay the piano and violin.3.Bob has gone to France for his holiday,soarty thi

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    22.Which is suitable for a teenager with a sense of adventure?A.Ireland:Beauty and a Long History of SeparationB.Swiss Family Adventure:An Active Journey Through the AlpsC.Climate Change in New Orleans:A meeting and observationD.Active Argentina and Patagonia23.Who may be interested in the journey to Argentina?A.Writers.B.Historians.C.Environment specialists.D.Sports lovers.BIt was a very hot day in late summer.I was a young dad working in a local wood mill.It wasdangerous,back-breaking work that paid very little.In the year I had worked there,only four otherpeople hadn't quit and been replaced with new faces.Those of us who stayed did so only becausethere was no other work to find to support our families.On this day the fans weren't working and alt of us were covered in sweat and sawdust.When Ilooked around every face I saw looked angry and frustrated.Suddenly,a voice called out:"Hey!There's a deer in here."A lost little doe()had wandered through the open loading bay doorsand was now cowering()in between the huge stacks of wood.All of us stopped working andwent looking for her as she ran about looking for a way out.Now most people where I live hunt deer for meat in the fall,but also treat them with greatkindness the rest of the year.Many will even buy 50lb bags of corn to help feed them during theharsh winter months.It was no surprise then that all of us were soon quickly working together tofree this little doe.By blocking off all the other routes we were able to guide her panic search back tothe open bay doors.We watched as she jumped out of the building and back into the woods.Then wewalked back in to work.I noticed something,though.On every face there was a joyful smile.It wasas if this one single act of kindness had energized us again and reminded us of what life is all about.24.Why did people still work in the local wood mill?A.They could earn high income.B.They were satisfied with the boss.C.The conditions were not so bad.benferredaccrdD.They had no choice of other work.A.The workers wasn't surprised to see a deer.B.Workers wanted to help the deer out of their working place.C.The deer was trapped in a big well.D.The deer entered the mill on purpose.26.In what way did workers free the deer?A.By instructing her to the right way.B.By inducing the deer with corn.C.By using familiar signals.D.By blocking all the doors of the mill.27.The following words can best describe the workers exceptA.kind-heartedB.lovingC.hard workingD.enthusiasticAndean Condors(),weighing up to 13 kilograms with a 10-foot wingspan,are one of theworld's heaviest and largest flying birds.Spending their days circling the Andes mountains and nearby Pacific coasts in search of food,they manage to stay afloat()for hours.Though researchers have long suspected that the massive creatures conserved energy by usingrising air currents to surf the skies,nobody had ever documented how infrequently the birds usedtheir wings afloat.Now,a new study has found that the incredibly energy-efficient condors use theirwings just 1 percent of their time-mostly during takeoff and landing.The extensive research,conducted in Patagonia from 2013 to 2018,involved attaching high-tech flight re-corders to the birds'wings.The collected information was too much to send back via the phone or satellite net-work.Hence,the researchers had to physically take back the devices,which were designed to fall off the birdsafter a week.While a GPS tracker allowed the scientists to confirm the recorders'exact locations,getting tothem was no easy task given Patagonia's rough surface features.itsAfter losing seven recorders for every one they took back,the team shifted their focus to youn-ger condors.who tend to fly over gently rolling hills rather than the mountain tops frequented by a-dults.The 250 hours of collected flight data revealed that the birds flew for an average of three hoursbut flapped()their wings for less than two minutes of the time.Oe efficient pilot managed to cover 172 kilometers over five hours without a single flap!The researcherssay the large fliers consume the most energy during takeoff.However,once in the air,they can fly for long periods of time without turning on their"engines"The scientists suppose that adult condors may demonstrateneven more impressive flight record than the younger.S2名师原创模拟八·英语第3页(共6页)

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    efforts into dealing with a much bigger global polluter:the fashion industry.Usng thepe ofrcu her company has developedamugetotuclthngfbesitoo-based pasic Thispcthen be used by manufacturers(制造商)in theirexisting machines,s that yourirtsd jeasreused asbrad-ew products.wanted to take the fibresadthem into something that would be used for many years to come,Bassi says.With the rise n limatechange activism,any fashion brands face exter pressetheirat,and Kleiderly has had interefom ktoreythei8.What is paragraph 1 mainly about?A.The harm of over-consumption.B.The fast-changing fashion trends.C.The new way of waste treatment.D.The huge waste in the fashion industry.29.What do we know about Bassi's first job?12A.It went against her personal values.B.It drew her attention to climate change.C.It inspired her to make a film about environment.D.It enabled her to effect a change in the oil industry.30.What is the aim of Kleiderly?A.To create clothes meant to last.B.To lower the carbon impact of fashion.C.To use abandoned clothes to make oil.D.To reduce oil-based plastic in clothing making.What is of KidyA.It will update manufacturers'machinesB.It will face great external pressure.C.It will do business with many fashion brands.D.It will put an end to climate change activism.DThe outermost layer of the sun,called the corona),is extraordinarily difficult tostudy,but now researchers have made the first map of its magnetic field (This willhelp us predict solar fires that potentially threaten the Earth.The plasmaa hot,ionised(state of matterthat makes up theisiredyuncertain which is why it isn't visibe with the aked veexcetduringtoelipse(Thtnertinty,ngwith the brightes of the dikof theit tough to measure.Stevenat theUSNc Colorad and hiscollegedMchPrmeblock out the ih from the sunin itThallowed thetetrThy theefavethat move through the corona like ripples on the oceanpfewdensity and the magnetic field strengths,so those measurements allowed the researchers tocalculate the magnetic field strength across the corona.They found it was between 1 and 4gauss,which is more than 10 times weaker than the magnetic field of a typical refrigeratomagnet.e are very small magnetic fields,but they're important,"says Tomezyk.magneteege wiatednytewhiccanbimpactful to the Earthtosatellites,GPS systems,nd【高三第五次联考·英语第5页(共8页)Q©

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