所以3x+1>0,3x+1>0.x-x3

24.C。理解具体信息。根据第一段内容可知，对任何未来的医生来说，白大褂授袍仪式都意义非凡，因为穿上白大褂意味着他们的学医之路正式开启。再根据第二段中的received herwhite coat on Aug.20 Her older brother,Carlito Robles...was there to "coat"her in person可知，八月二十日，Maria的哥哥Carlito Robles在授袍仪式上亲自为她穿上了白大褂，因此这一天对她有着特殊意义。25.B。理解词汇。根据划线词后的after struggling with her undergraduate courses and exploredother career paths可知，Maria起先在学业上很吃力，之后探索过其它职业道路。由此推断，她应该是曾经放弃了成为医生的梦想。abandon有“放弃，不再有”之意。twists and turns波折。26.B。推断。第五段介绍Maia起初放弃了当医生的梦想，但最终意识到医学才是她真正想要追求的目标，第六段中Maia先说她能成为一名医学生并参加白大褂授袍仪式象征着她没有放弃梦想，同时她能穿上白大褂也向父母展示了这是他们一家追寻美国梦时不曾想到的结果。由此推断，Maria对自己所取得的成就感到自豪。byproduct意外结果。27.A。理解具体信息。根据倒数第二段中的Maria is also making a military career和最后一段中Maria所说的live a life.that means a profession where I can help more people一and forme,that was military medicine可知，Maria正在努力成为一名军医。【补充说明】physician assistant:医师助理，是包括医生、外科医生、护士和其他医疗保健专业人员在内的医疗团队的成员。医师助理通常提供初级医疗服务。C篇主题语境：人与自然一一环境保护本文是说明文。澳大利亚一些居民和环保人士呼吁人们缩小草坪面积，减少其修剪次数，以保护环境和人类健康。28.D。理解具体信息。根据第三段中的It's a point of pride for many neighbourhoods,and somelocal governments even hold competitions for“best lawn”可知，许多社区留有草坪，因为草坪是他们的骄傲，一些地方政府其至举办“最佳草坪”比赛。29.C。理解观点、态度。根据第六段中Howard所说的话可知，Howard觉得使用汽油的割草机会在割草的过程中导致污染物的排放，使用电动割草机仍然会产生尘粒，引发呼吸疾病，由此推断，Howard认为修剪草坪既污染环境，又危害人类健康。30.B。推断。根据最后两段的内容可知，家里的草坪面积减少后，Suzie并不遗憾，因为鸟类增多了，这让她有更多的机会看到鸟类，同时减轻了在干旱时期保养草坪的压力，是一个双赢的局面，由此推断，Suzie对减少草坪面积反而很满意。31.D。理解主台要义。澳大利亚一些居民和环保人士呼吁人们缩小草坪面积、减少其修剪次数，以保护环境和人类健康，故D项作标题最能体现文章主旨。【补充说明】1.all the same:虽是这样，尽管如此2.hold:n.影响D篇主题语境：人与社会一一历史、社会与文化本文是新闻报道。一家五金连锁店将在法国北部Carnac巨石遗址上建店，法国公众对此表示不满。32.B。理解具体信息。根据第二段中的About39 stones,dating back at least7,000 years,wereremoved from the site可知，这39块巨石已被移走。33.A。理解具体信息。根据第三段中的Carnac,often described as“French Stonehenge”,is

状语，故填where。64.to be displaced。考查固定搭配。communities和displace之间是逻辑上的被动关系，故此处构成(sb)be required to do sth结构。65.extends。.考查一般现在时。根据设空处后的and does not need to be turned into dollars,,oreuros可知，此处陈述客观事实“自然的价值超出了财务估值”，故填extends。

培养液中离子的浓度初始浓度☑水稻口番茄Csi04+离子A.同种植物对不同离子的吸收速率不同B.水稻吸收水分的速率大于吸收Mg2+、Ca+的速率C.番茄吸收大量的SiO,4,而水稻几乎不吸收SiO44D.植物对离子的吸收速率在一定范围内随O2浓度增大而增大6.蛋白质是生命活动的主要承担者。下列有关蛋白质的说法，正确的是()A.细胞膜上的蛋白质与物质运输、信息传递等过程有关，与能量转化过程无关B.组成蛋白质的主要元素是C、H、O、N等，其中N元素主要存在于氨基中C.煮沸消毒的主要原理是高温可引起细菌和病毒的蛋白质发生空间结构的改变D.同一个体不同细胞中蛋白质种类完全不同是由于基因的选择性表达7.无机盐在细胞中含量很少，但对于维持细胞和生物体的生命活动有非常重要的作用。下列关于无机盐的叙述，错误的是()AN和g的缺乏都会对植物的光合作用产生影响B.镰刀型细胞贫血症发生与Fe的供给不足无关C.P是许多重要化合物（如核酸、ATP)和生物膜的重要组成成分D.K+、Na*参与维持神经肌肉的兴奋性，Ca2+与神经肌肉的兴奋性无关8.在提取蛋白质A的过程中，B-巯基乙醇的使用浓度会直接影响蛋白质A的结构，当β-巯基乙醇的使用浓度过高时，蛋白质A的二硫键断裂(-S-S-被还原成-SH),肽链伸展。下列相关叙述错误的是()A.蛋白质A的功能与其空间结构的变化直接相关B.蛋白质A受到高浓度的邹巯基乙醇影响后，其元素组成发生了改变C.蛋白质的空间结构被破坏后，仍然可以与双缩脲试剂反应呈现紫色D.用高浓度的邹疏基乙醇处理蛋白质A并不会改变该蛋白质的氨基酸序列9.细胞内的各种生物膜在结构上既有明确的分工，又有紧密的联系。如图为溶酶体的发生过程和消化”功能示意图，下列说法错误的是()2/13第2页/共13页

24.Why does Lawson mention the scene where the kids built sandcastles?D.The popularity of the British education system.A.To suggest a way to enjoy leisure.B.To tell us the inspiration for his book.29.How may Australians pronounce the word "light"?C.To convince us of how life works.D.To remind readers of the childhood.A.Loight.B.Leght.C.Lighs.D.Lighd.25.What do you know about the two books mentioned?30.What accounts for the lack of regional differences in Australian accents?A.The stories are literally works of fantasy.A.Small numbers of populations.B.Isolated geographical locations.B.They are purchased by kids universallyC.Similar lifestyle among residents.D.Large migrations within the country.C.They carry no elements of comic books.31.What can we learn about the Australian accent according to Dr Felicity Cox?D.Readers can only find pictures in them.A.It has become more diverse than ever.26.How does Lawson feel when telling us the last pages in the last paragraph?B.It has been greatly influenced by social media.A.Pleased.B.IndifferentC.Disturbed.D.ExhaustedC.It is a unique symbol of Australian identity.27.What can be a suitable title for the passage?D.It changes a lot based on American pronunciation rules.A.Childhood in sandcastlesB.Beautiful childhood memoriesC.Popular illustrated booksD.Explore the mystery of natureA Norwegian company has created what it calls the world's first zero-emission,autonomous cargo ship.Developed by chemical company Yara International,the ship wasThe Australian accent developed because so many early settlers were drunk.Deandesigned to reduce emissions of pollutants and greenhouse gases,and move goods away fromFrenkel,a communications expert at Victoria University in Melbourne,said that the firstroads to the sea.British arrivals to the country were such big drinkers that the distortion()to their speechThe shipping industry accounts for between 2.5%and 3%of global greenhouse gascaused a verbal change that persists to this day.emissions,according to the International Maritime Organization.Nearly all of Norway'sAcademic Mr.Frenkel wrote in the Australian newspaper The Age,"Our forefatherselectricity is generated by hydroelectric power,which is generally considered to have muchregularly got drunk together,and through their frequent interactions added an alcoholiclower carbon emissions than burning fossil fuels,despite the fact that it still producesslur()to our national speech patterns.For the past two centuries,from generation togreenhouse gases.generation,the drunken Australian accent continues to be taught by parents to their children."Capable of carrying 103 containers and with a top speed of 13 knots,it will use a 7 MWhMr.Frenkel continued,"The average Australian speaks to just two-thirds capacity-battery,with about a thousand times the capacity of one electrical car.The ship will bewith one-third of our speaking muscles always keep still as if lying on the couch.Missingcharged near the port before sailing to container harbors along the coast and then back again,consonants((辅音)can include missing“t”s(Impordant),“1”s(Austraya)and“s”sreplacing 40,000 truck journeys a year.(yesh),while many of our vowels()are lazily transformed into other vowels,especiallyAs well as providing a greener option compared to conventional cargo ships,there is no“a”sto“e”s(stending)and“i”sto“oi”s(noight).”crewman,which means it will be more cost-effective to operate.Initially,loading andThe Australian accent has historically lacked regional variation because although theunloading the ship will require humans,but gradually,all loading,discharging,and somecommunities began as isolated()settlements,there was a great deal of internalother operations will also be eventually operated using autonomous technology.That willmigration,particularly from Sydney where the first accent began.involve developing autonomous cranes()and carriers,which are the vehicles thatThe most common fear people have about the Australian accent is that it's becomingplace containers onto ships.more Americanized.But Dr.Felicity Cox,an associate professor of linguistics at MacquarieAccording to researchers,fully autonomous ships are the future.But there are manyUniversity,said that accents are remarkably resistant to change from factors such as socialchallenges to overcome before autonomous ships can be used for commercial long seamedia,and as long as people want to be known as Australian,they will keep the distinctivejourneys.Navigating traffic in large ports could be a major barrier.Australian sound.It will always remain a strong marker of national identity.Without a crew aboard to carry out maintenance checks,autonomous ships would need28.What makes the Australian accent special?built-in self-diagnosing systems with the ability to detect and fix problems,or call for humanA.Verbal patterns of native speakers.assistance.B.Early residents'custom of drinking alcohol.Although Yara International has no plans to add more autonomous ships to its operations,C.Frequent interactions with foreign countries.we may see more elements of Al technology used on commercial ships in the future.Elements英语试题第5页（共12页）英语试题第6页（共12页）

心固体氢化物燃料电迪（©心可以利用化然料直能发电，在发电的同时还可福价值的化学品下图是乙烷质子导休℃的结构图下列说法正角密电极a电解质A.电流从电极a经导线流向电极b电极bB.电极a的电极反应为C2H6一2e一C2H4+2H4,C.该电池采用酸性电解质溶液D.相同条件下，两电极消耗乙烷与O2的体积比为1：115.双极膜在电渗析中应用广泛，它是由阳离子交换膜和阴离子交换膜复合而成的(盐电离出的阴、阳离子均不能通过双极膜)。双极膜内层为水层，工作时水层中的H,O解离成H和OH,并分别通过离子交换膜向两侧迁移。下图为NBr溶液的电渗析装置示意图。Na,SO,溶液循环液NaBr溶液循环液NaSO溶液交双阴极液交换室盐膜室室膜电换0极水层水层的用出口1出口2出口3出▣4出口5白风的赠中下列说法错误的是A.出口1、2的物质分别为Na2 SO,溶液、NaOH溶液B.出口4、5的物质分别为NaBr溶液，Na2 SO,溶液C,出口3的溶液的密度小于进入盐室的溶液的密度D.阴极的电极反应为2H+十2e一H2个1213148910

13.(9分)如图所示，半径R=0.5m的光滑圆轨道固定在竖直面内，A、C与圆心O等高，质量=0.3kg的小环套在轨道上.用大小不变、方向始终沿轨道切线方向的拉力F将小环从A点由静止拉动，小环第一次运动到C点时的速度为10m/s,取π≈3，求：(1)在C点小环对轨道的压力大小：B(2)拉力F的大小.14.(13分)如图所示，两金属板P、Q竖直放置，间距为d,两金属板正中间有一竖直放置的金属网N,P、Q、N的尺寸相同，N接地，P、Q的电势均为p(p>O).带电微粒在距离N为L的A点由静止释放，恰好经过N右侧距离N也为L的B点.已知微粒的质量为m,电荷量为+q,微粒与金属网N不发生碰撞，重力加速度为g.求：(1)P、N间电场强度的大小E;(2)微粒第一次到达N的时间t;(3)A、B两点间的高度差h.高三物理试题第5页（共6页）

Every late autumn,dawn redwood trees in the Gutan Reservoir,East China's Zhejiang province dress ingold clothes.The dawn redwood forest also draws many tourists to wander in the forest.It is famous amongphotography enthusiasts for its red pond cypress,so that in the autumn it is also a film shooting location.Xiaohe Seedling Nursery of Dawn Redwood,Hubei provinceBest viewing period:Late autumnGeneral admission:FreeAs the hometown of the dawn redwood,Xiaohe in Lichuan city,Central China's Hubei province is aseedling nursery that is home to more than 5,000 dawn redwood trees listed for protection.The sceneresembles a fairy-tale world and draws many photographers who would like to capture the magic.Sihong Hongze Lake Wetland Scenic Area,Jiangsu provinceBest viewing period:Late autumn and early winterGeneral admission:60 yuan($9.19)/personIn the Sihong Hongze Lake Wetland Scenic Area,East China's Jiangsu province,the dawn redwoodforest is dressed in gorgeous colors in early winter.From an aerial view,it looks like a spectacular redocean.Covering 20 hectares,the dawn redwood forest is a heaven for wild animals and draws many nestingmigratory birds.Songhua Dam Reservoir,Yunnan provinceBest viewing period:Early winterGeneral admission:FreeThe early winter is the best season to view the dawn redwood forests in the upstream of the SonghuaDam Reservoir in Dianwei village,Kunming city.Nowadays,the protection zone is a habitat of migratorybirds,with beautiful villages,clear water,and a good ecology.The dawn redwood forest has become aspecial calling card for local tourism.21.What can not the dawn redwood tree be used for?A.PrintingB.Paper makingC.ConstructionD.Floor decoration22.On which of the following seasons can you view the most beautiful scenery of the dawn redwoodforests?A.Early springB.Early summerC.Late fallD.Late winter23.What's the similarity between Sihong Hongze Lake Wetland Scenic Area and Songhua Dam Reservoir?A.Free to view.B.Have the same best viewing period.C.Look like red oceansD.Attract migratory birds.BWhen White met the pit bull puppy in 2018,Darby was young,playful,strong as an ox.Then,in thesummer of 2019,came Darby's date with destiny.White was fishing in Northern California's Bodega Bay.He left Darby,then a year old and 100 pounds,in the parked car with windows down,while he cast his line a few yards away.The fish weren't biting,White recalls,until,suddenly,they were.At first,White thought he had hooked a stingray.But as he reeled (it in,he realized it was asevengill shark,about 6 feet long.Not uncommon,but still dangerous.He brought it close and carefullyunhooked it,expecting it to swim away.It didn't.The shark bit his ankle."All of a sudden there was blood everywhere,"says White.He yelled for help,hoping the fishermen downthe beach could hear.But they didn't seem to know what was going on.Fortunately,Darby did.He jumped outof the car and ran toward the water.He ran right up to the shark and sank his teeth into its gills ()浙江省A9协作体暑假返校联考高三英语试题卷第3页共8页

第12期参考答案第1版主题阅读1-3FTF第2版语法突破I.1.talks 2.stays 3.remembers 4.lives5.comes 6.washes 7.does 8.catches9.studies 10.hasII.1.likes 2.works 3.sleeps 4.sees5.goes 6.makesIII.1.doesn't know 2.doesn't read3.Does;close;it does4.Does;drink;she doesn'tIV.1.Tina watches TV on Saturdays.2.Pete plays football every afternoon.3.Alice's brother reads(books)before bed.4.Jack's mum eats has(some)bread and an egg for breakfast.词汇学different1.three different chairs 2.is different from3.are differentalso1.also 2.also 3.also 4.toolook see1.look at 2.Look 3.see my frienda little1.a little chicken 2.a little busycall1-3 BCAcatch1-4 CBDA词块梳理1.such as 2.be good at 3.over there 4.live in...5.alittle6.black and white7.来自8.看9.30公斤/千克…10.并且，还11.全世界12.许多种类句型练I.1.Here are the lions.2.The elephant lives/Elephants live in Africa and in Asia.3.-Does it eat meat?-No,it doesn't.It eats plants.II.1.Welcome to our school.