is the历史一轮复同步考练(十5)lockblock(近代中国经济结构的变动与民族工业的曲折发展)一、本题共24小题,每小题3分,共72分。在每个小题给出的四个选项中,只有一项是符合题目要求的。1.造成下图所示现象的主要原因是为8、2000一一两白银兑换铜钱数堂816001637不1200121613401000海8004000=18,d19世纪初1817年1827年1838年A.百姓普遍贫困的最小B.对外贸易萧条C.农业严重歉收D.鸦片大量走私2.有研究表明,中国在1842年以前,农村的制度、生产情况决定城市的制度、生活情况,是农村领导城市。1842年以后,若a5新的生产力、新的生产关系、新的经济组织等首先在城市发生,然后扩展到农村,形成城市领导农村的局面。1842年前后城乡经济地位的变化体现的实质问题是A.经济结构的变动B.城市化水提高C.农村经济的凋敝D.城乡差距的扩大3.导致图中1847~1853年中英贸中英贸易满足预期值易额(英)实际值与预期值出现额(英)差距的主要原因是(A.中国的物产丰富实际值B.“闭关锁国”政策心8,客LL⊥LL⊥⊥II LI I LC,自然经济的抵制年份D.洋务运动的兴起4.随着洋务企业的发展,周围农业区的务农人口被吸引到大都市中成为产业工人或劳工,促使了这些城市的规模飞速膨胀,并逐渐形成一个新的工人阶级。这一现象)A.催生了中国第一批无产阶级B.加速了近代中国城市化步伐的掉是国C.促使中国自然经济开始解体D.推动社会结构出现重大变动5.洋务运动期间,官员是否是科举出身仍很受关注,留学归国且已任北洋水师学堂校长并官居从四品的严复,从1885年开始,四次返乡参加科举。此现象说明()A.科举制根深蒂固,无法破除B.洋务运动面临的社会环境恶劣C.维新派存在软弱性和妥协性p30D.北洋水师急需科举人才6.1872年,李鸿章决议创办轮船招商局,并提出“官督商办”的企业制度。他认为政府从事商业,必须掌摇盆22板1)713:50
高三第一轮复周测卷·数学(十)23G3ZCJ(新高考)数学-R-必考=FJ·A【解题分析点B为单位图上一点,∠OB-3红,点B沿单位圆顺时衍方肉旋转肉a到点A2学).风ee7n7,即B-.号).E1am8-e=2,2,则tanu=tan3牙-(37-a]-1-22=9+4W21+(-1)·227【答案】A
,数学专项分组练(新高考)·参考答案及解析0时,关于x的方程f(x)川+f(x)=a.x有数,图象关于原点对称,D不满足;对f(x)求导得个不同实根,有90时,f(x)>f0)=0,A不满足;而当x=受时,同实根,有0,则a=e,b=点(5【解析】P(1,3)为角a终边上一点,.tana=3,,在同一坐标系中分别画出函数y=e,1log2t,c=cos acos(a十2cos asin a2tan acos'a++cos 2a2cos2a-sin'a2-tan2ay=log2x,y=之的图象,当t=3时,c>a>b;当t=到服路数宽金,2-9=.故选D6x2时,a>c>b;当t=x3时,a>b>c,由此可以看出,中0归△,其3不可能出现c>b>a这种情况.故选D.1【解析】因f(x)=x-sinx,则f(一x)=一xx)=-x+sin f(x),函数f(x)是奇函·129·
若过F,的直线交双曲线右支于A,B则1ABl的最小值为双曲线的通径,长为32C真若M在双曲线上,且MF⊥MF,,设|ME=m,MF,=n,不妨设m>n,则1m-n=6,m2+n2=100,则mn=32,所以△MEF,的面积为S=一mn=16,D假。故本题答案为AC11.【答案】ABD解:以ABCD为底面作长方体ABCD-PMQN,则这个长方体的外接球即为多面体MN-ABCD的L当h=1时,外接球半径为),当h=2时外接球半径为V5,故A,B设E,F分别为MN,AC中点。若这个多面体有内切球,则其球心O必在EF上,且半径为=1。OP OE 1 h-1设OP L AE垂足为P,则由AF=AE可得2√+2可得h=4,故C假D真综上,本题答案为ABD。12.【答案】ACD解:由于f(-x)=f(x),所以它是偶函数,A真;由于f(-孕-V2.f及)=0它们不相等,所以它不是周期为2元的周期函数,B假4我们现在来考察这个函数在x∈[0,2π]内的情况。3当xe0,Urx,2a]时,f)=sinl+csin+cosx=2sin(x+孕π3当x∈2]时,f)=sin+los非inx-cosx=v2sin(x-孕我们分别画出以上两个函数图象,并截取相关部分如图:3π5π3π/7π2π由此可知函数值域为[-1,√2],C为真;又由于这个函数是偶函数,它在[-π,π]没有零点,而在[π,2π]有2个零点,故D为真。
考点专项突破专项训练19等比数列一、选择题(本大题共12小题,在每小题给出的四个6.设等差数列{an}和等比数列{bn}首项都是1,数列选项中,只有一项是符合题目要求的){an}公差与数列{bn}公比都是2,则a,十a,十a,十1.若等比数列{an}的前n项和为Sn,且S2,2S3,3Sai4十ab,=成等差数列,则{an}的公比为A.54B.56C.58D.57A号7.已知数列{an}的前n项和为Sm,且Sm十an=2nB号(n∈N*),则下列数列中一定是等比数列的是C.2D.3A.(an)B.(an-1)2.在各项为正的等比数列{an}中,a4与a14的等比中C.{an-2)D.{an+2}项为2√2,则log2a7十log2a11=8.已知等比数列{an}的前n项和为Sm,则a5>0是A.1B.2C.3D.4S2021>0的3在等比数列{a,中,前n项和S-至+x,则x的值为A.充分不必要条件B.必要不充分条件AB.-4C.充分必要条件C.-1D.4D.既不充分也不必要条件4.已知数列{an}是等比数列,a1十a2十a3十a4十a5十9.在函数y=f(x)的图象上有点列(x,yn),若数列a6=632,a2a,=64,则1+1+1+1+1+{xn}是等差数列,数列{yn}是等比数列,则函数al a2a3a4'a5y=f(x)的解析式可以为1Af(x)=2x+1B.f(x)-4z2A.3/2B152C.63v2D212C.f(x)=logsxD.f-()】3232646410.若a,b是函数f(x)=x2-px十q(p>0,q>0)的5.已知Sn是等比数列{an}的前n项和,若存在m∈两个不同的零点,且a,b,一2这三个数可适当排N,满足=9,=5m十Smam m-1,则数列{an}的公序后成等差数列,也可适当排序后成等比数列,则比为p十g的值等于A.-2B.2C.-3D.3A.1B.5C.9D.4B
12.设定义在R上的函数f(x)与g(x)的导数分别为f'(x)与g'(x),已知f(x)=g(3-x)-1,f'(x+1)=g'(x),且f'(x)关于直线x=1对称,则下列结论一定成立的是()A.f(x)+f(2-x)=0B.f'(2)=0C.g(1-x)=g(1+x)D.g'(x)+g'(2-x)=0三、填空题:本题共4小题,每小题5分,共计20分.3.已知2x万小的展开式中各二项式系数之和为64,则其展开式中的常数项为。14.已知抛物线y2=2px(p>0)的焦点为F,过F且斜率为√5直线与抛物线在第一象限交于点A,过A作抛物线准线的垂线,垂足为M,若△AMF的面积为4√万,则卫=15.已知函数f(x)=r-2ax+a,x≤0,恰有三个零点,则实数a的取值范围是Inx+ax,x>0I6.在行四边形ABCD中,AB=1,AD=√5,AB⊥BD,将△ABD沿BD折起到△PBD的位置,若二面角P一BD-C的大小为120°,则四面体PBCD的外接球的表面积为·四、解答题:本大题共6小题,共70分.解答时应写出文字说明、证明过程或演算步骤.17.(本小题满分10分)在下面两个条件中任选一个,补充在下面的问题中并作答.①a+2an=4Sn-1;②am1-a.=1n+1nn(n+1)已知Sn为数列{an}的前n项和,满足4=1,an>0,一(1)求数列{an}的通项公式;(2)设bn=S,cosnπ,求数列{bn}的前2n-1项和T2m-1·高三数学第3页共6页
①当他参加比赛时,求球队某场比赛赢球的概率;②当他参加比赛时,在球队赢了某场比赛的条件下,求B球员担当守门员的概率;③在2022年的4场联赛中,用X表示“球队赢了比赛的条件下B球员担当守门员”的比赛场次数,求X的分布列及期望附表及公式:0.150.100.050.0100.0050.001P(x2≥)2.0722.7063.8416.6357.87910.828n(ad -be)2X=(a+b)(c+d)(a+c)(b+d)20.(本小题满分12分)如图,水面上摆放了两个棱长为25的正四面体PABD和QABC.(1)求证:AB⊥PQ;(2)求二面角P-AQ-B的余弦值21.(本小题满分12分)已知抛物线C=4x的焦点为F.(1)如图所标,线段B为过点F且与轴垂直的弦,动点P在线段AB上,过点P且斜率为1的直线与抛物线交于)、M(x2,y2)两点,请问y1+y2是否为定值,若是,求出该定值;若不是,说明理由;(2)过焦点F作直线。与C交于E、Q两点,分别过E、Q作抛物线C的切线,已知两切线交于点R(-1,m),求证:直线RQ、RF、RE的斜率成等差数列,22.(本小题满分12分)已知f(x)=-n(1-x)-x(1)求证:f(x)≥0恒成立;(2)令g(x)=x+2os*,讨论()中凡x)+8()在xe(-子,1)上的极值点个数高三数学试题第4页(共4页)
“争2”试题部分,是边长为2的正京为艺的椭圆G:+多1(a>6>0)与圆C.((x-1-2+y=1交于A,B5,求点P到面中数分的藏坐标为超数,直袋国、)两点.食所“为减圆G的方程,多工仪个文源装求大的m2017.(10某地获胜为概(SI).21(1)(2)来(1)212分)已期函数fx)=6m21nx-x2-m.x(m≥0).时论fx)的极值;0若m=2,求证:(18-x)lnx十8>f(x).名师卷数学(八)第4页(共4页)
21.(12分)某甜品屋店庆当天为酬谢顾客,当天顾客每消费满一百元获得一次抽奖机会,奖品分别为价值5元,10元,15元的甜品一份,每次抽奖,抽到价值为5元,10元,15元的甜品的概率分别为2·号名,且每次抽奖的结果相互独立(1)若某人当天共获得两次抽奖机会,设这两次抽奖所获甜品价值之和为X元,求X的分布列与期望(2)某大学“爱牙协会”为了解“爱吃甜食”与青少年“蛀牙”情况之间的关系,随机对200名青少年展开了调查,得知这200个人中共有120个人“有蛀牙”,其中“不爱吃甜食”但“有蛀牙”的有35人,“不爱吃甜食”且“无蛀牙”的也有35人有蛀牙无蛀牙爱吃甜食家不爱吃甜食完成上面的列联表,试根据小概率值α=0.05的独立性检验,分析“爱吃甜食”是否更容易导致青少年“蛀牙”,n(ad-bc)2附:X=(a+b(eFd)(aFe)(b+dDn=a+b+c+d.a=P(≥k)0.050.010.0053.8416.6357.879阔够22.(12分)在①C的渐近线方程为y=士x②C的离心率为√2这两个条件中任选一个,填在题中的横线上,并解答。已知双曲线C的对称中心在坐标原点,对称轴为坐标轴,点P(2,一√2)在C上,且▲(1)求C的标准方程;(2)已知C的右焦点为F,直线PF与C交于另一点Q,不与直线PF重合且过F的动直线l与C交于M,N两点,直线PM和QN交于点A,证明:A在定直线上注:如果选择两个条件分别解答,则按第一个解答计分。【高二数学第4页(共4页)】·23-224B·
山西省2022~2023学年八年级期末评估卷数学参考答案1.A2.C3.D4.C5.A6.B7.D8.A9.B10.B11.112.∠E=∠B(或填“ED∥AB”)13.-1514.2a2-12a+1815.316.解:(1)原式=3-1十4=6.…5分(2)原式=4x2十4x十1-(4x2一4x)3分=4.x2+4x+1-4x2+4x=8x十1.…5分17.解:(1)如图,AE即为所求的角分线。…4分(2).∠B=50°,∠C=60°.∴.∠BAC=180°-50°-60°=70°.…5分·AE为∠BAC的分线,∠BAF=∠EAC-号×70-35∠AEC=∠B+∠BAE=50°+35°=85°.…8分18解:%产之=.+…2分=2x.x-1)(x十1)-x.x-1)(x十1)x十1x-1=2x-2-x-1=℃-3.…5分当x=3时,原式=3一3=0.7分19.解:(1)2;3a;4a.…3分(2)0n不仅是外角,也是两小棒构成的等腰三角形的底角,.只有当0n<90°时,才能放入下一根小棒,.9a90解得9 因为X~B(3,0.15865),10分所以P(X=3)=C×0.15865≈0.00411分所以3位参与者的脂肪含堂均小于122%的概率为0.004.…12分【解析二】(1)把男性样本记为,x2,出0,其均数记为x,,方差记为s;把女性样本记为为,0,其均数记为少,方差记为s则x=14,s=6;少=21,5子=17.记总样本数据的均数为z,方差为s2由x=14,y=21,根据按比例分配的分层随机抽样总样本均毁与各层样本玲数的关系,可得总样本均数为2=,12090120+90x+120+901y .m............m……2分=120×14+90×21210=17,…3分根据方差的定义,总样本方差为=x-可+26-]…4分-2+1+2-22+90=[2+2-2ao+9网+2o]={+2-22o+2o)+立-21(受+2x小,0……5分由=而艺(-受x-2,可得=i+@同理2=9如+),@将②③代入①得=2a[l20+)+%+】-年…6分20[06+1w+0x07+2r7-17s23,所以总样本胸均值为17,方差为23,数学参考答案第8页共12页 a=一gsin37°-ugc0s37°=-10m/s2(2分)若要使物块正好能够落在球洞里,有0一02=2a·EF(2分)代入数据可得v=4V5m/s。(2分) 因为m≠1,整理得m=-分,直线MN经过定点Q0,-),P0=手因为--专深,是所以△ww面积5-号1m--8设级+4=1,则s=,8≥2设0=2+片f()=2-是>02t+所以当1=2,k=0时,△PMN面积取最大值(12分) S10=3×101一226是B述项正确,an=3-22<3恒成立,C选项正确:因为a。=3一>0恒成立,所以数列{S,单调递增,即数列(S,}无最大值,因此不存在正数m,使得Sn 之幽来送别自己,表现了同人对真B前联对句运用典放,暗示了马郎中以白菊所作之诗如同(阳春》(白十七、阅读下面这首诗歌,完成33~34题。雪》般高雅,和者盖寡。杂诗等.学里行间也童含了人生之路充流表C领联对句指出盛开的白菊给人以错觉,好像是从月宫里生长出来的,左思非凡花俗卉。秋风何冽冽,白露为朝霜:对行发感情有何作用?请商要分标D额联运用比拟,赋于白菊以云母的特性,形象地表现了白菊花瓣晶莹柔条旦夕劲,绿叶日夜黄28这首诗表达了作者怎样的思想感情?请结合诗歌简要概括。别透的特点。明月出云崖,嫩嫩流素光。披轩临前庭,嗷嫩晨雁翔,26题。答:高志局四海,块然守空堂壮齿不恒居,岁幕常概慷元日四浩然十五、阅读下面这首唐诗,完成29~30题。33.下列对这首诗的理解和赏析,不正确的一项是塞下曲,今朝岁起东张祜A诗歌第一到四句描写所见之景,“秋风”两句描写了秋天萧瑟冷寂的景色,谊染了悲凉的气氛。柔条”两句以枝条和绿叶的变化写出了物候变化、时间流逝。无禄尚忧农二十逐蝶桃”,分兵远戏辽。雪速经塞夜,冰壮渡河朝。荷锄随牧童。促放雕难下,生骑马未调。小儒何足问,看取剑横腰。共说此年丰。【注】①嫖姚:汉代武官名。这里用来代指武将B诗歌第五到八句描写夜晚所见之景,面对前面自然的荣枯之变,诗人29.下列对这首诗的理解和赏析,不正确的一项是顿生感概。明月初出胶洁明亮,大雁展翅高飞,诗人愁思更郁结,以至于夜不能寐,枯坐整夜。7年)春节,写出诗人去长安应浅时的A本诗用铺陈手法对守边战士艰限苦而不同寻常的成边生活进行了生动C诗歌第九到十二句使用直抒胸意的手法,表现诗人理想破灭的无奈形象的描写与悲哀。“高志”句表明诗人曾经抱有比四海还要远大的志向,“块确的一项是B额联写军事行动开始是在大雪迷漫的夜晚,一直持续到寒风凛列的然”句写残酷的现实使他壮志难酬。示时间的推移和节序的更替,暗点诗C颈联下句写守边战士骑着的烈马还没到服好,这说明军事行动来得早晨结束。D本诗题为(杂诗》,实为一首写景抒情诗,诗人通过对萧瑟冷寂的秋景的描写,借秋咏怀,抒发时光易逝、壮志难酬、老之将至的感伤,表达贫士暮年的凄凉与无奈。而未仕的伤感,又表现诗人对农民生D.本诗虽然没用想象,没用面面俱到的描写,但塑造的守边战士形象却异常突然。34,本诗主要运用了哪些艺术手法?请简要分析,十分鲜明。出一幅典型的田园牧歌图,写出了田30.请结合对全诗的理解,赏析尾联。十八、阅读下面这首宋诗,完成35~36题。答:次韵盖郎中率郭郎中休官二首(其一】易,融恬然自适于节日氛围之中,有黄庭坚十六、阅读下面这首明词,完成31~32题。渔家傲(其一)仕路风波双白发,闲曹笑做两诗流。义,请结合诗的相关内容简要说明。卢象升①故人相见自青眼②,新贵即今多黑头搔首问天摩巨阙,生有恨何时雪?天柱孤危疑欲折!空有舌,悲来桃叶柳花明晓市,荻芽蒲笋上春洲。定知闻健③休官去,酒户家园得自由。独洒忧时血。题。画角一声天地裂,熊狐蠢动惊魂掣。绝影②骄骢看并逐,真捷足,将军【注]①盖、郭两位郎中,姓名不详。“休官”指辞去官职。宋“熙宁变法”后,朝臣新旧党争严重。②(晋书·阮籍传》:“籍又能为青白眼。见礼白菊见示应取燕然勒。俗之士,以白眼对之。时有丧母,嵇喜来吊,籍作白眼,喜不怿而退。喜弟【注】①明末,清兵入侵,卢象升是朝廷所倚重的军事将领之一。②绝康闻之,乃赍酒挟琴造焉,籍大悦,乃见青眼。”③闻健:为唐人口语,即“趋曲2新传白雪英影:良马名。健”“趁早”之意。31.下列对这首词的理解和赏析,不正确的一项是35.下列对这首诗的理解和赏析,不正确的一项是花疑自月中生。A.本词写了作者亲见天柱孤危欲折、将士血洒疆场,亲闻画角声声、熊A.首联上句通过“风波”和“白发”,暗示了盖、郭二人为官生涯路途不露全移缓水精。狐惊吼,是一首忧国忧民的壮歌。顺,且头发花白,年事已高。兹得地始芳荣。B.本词上阕借“问天”表达对国事的忧虑。面对既艰难危急又孤立无援B.首联下句中“闲曹”体现了盖、郭二人官职闲散,有志难伸,只能“笑末玉对楚王问》载:“客有歌于事中的国势,作者不由得忧心如焚。傲”作诗,暗示了二人为官的处境。和者,不过数十人…是其古苏高C.领联化用典故写出盖、郭二人对诗人的看重,又从三人写到现在的朝【魏晋世语》载,魏司马景王命中节C.这首词在情感抒发上富于变化。上阕的压抑愁闷为下阕的豪情满怀作了铺垫,层层推进,笔力不凡。官多为年轻的受朝廷青睐之士。王之意,景王让他再行先定。但其D,本诗融叙事、写景、说理于一体,语言典雅又不失直白,委婉地表达了更为他成定了五个字,建松心悦成D.这首词直率粗矿,豪气勃发。作者遣词造句,无不精心打磨,尽情地吐露自己的苦闷与豪情,动人心魄。对盖,郭二人休官的惋惜之意。生实之后,景王双道:“如此大32.有人评价卢象升此词“沉雄哀激”,请结合词句,谈一谈作者是如何分别36.全诗围绕差,郭两位郎中的休官之事展开,颈联看似孤立突兀、偏高“休表现“哀”与“激”的。官”一事,实则承接紧密。请结合全诗简要分析。答答诗人对马部中(移白菊见示的脑一项是语文十九第4页(共4 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1、广东省2023-2024学年度高一年级第一学期期末学情练卷(24437A 3、广东省2023-2024学年度高一年级第一学期期末学情练卷(24437A)地理试题 1、广东省2023-2024学年度高一年级第一学期期末学情练卷(24437A)地理答案 1、衡中同卷 2023-2024学年度上学期高三年级期末考试(新教材版)文综答 4、广东省2023-2024学年度高一年级第一学期期末学情练卷(24437A)地理答案 1、衡中同卷 2023-2024学年度上学期高三年级期末考试(新教材版)文综答案 1、[衡中同卷]2023-2024学年度上学期高三年级期末考试文综(新教材版)答案 5、广东省2023-2024学年度高一年级第一学期期末学情练卷(24437A)英语答案 1、广东省2023-2024学年度高一年级第一学期期末学情练卷(24437A)生物答案 1、广东省2023-2024学年度高一年级第一学期期末学情练卷(24437A 1、[学林教育]2023~2024学年度第一学期七年级期末调研试题(卷)历史B(部编版)试题 1、[学林教育]2023~2024学年度第一学期七年级期末调研试题(卷)历史B(部编版)答案 1、[学林教育]2023~2024学年度第一学期七年级期末调研试题(卷)道 2、[学林教育]2023~2024学年度第一学期八年级期末调研试题(卷)化学A(人教版)试题 1、[学林教育]2023~2024学年度第一学期八年级期末调研试题(卷)生物A(人教版)试题 1、[学林教育]2023~2024学年度第一学期八年级期末调研试题(卷)生 3、[学林教育]2023~2024学年度第一学期八年级期末调研试题(卷)物理A(北师大版)答案 1、[学林教育]2023~2024学年度第一学期八年级期末调研试题(卷)物理B(北师大版)答案 1、山西省朔州市2022-2023学年度八年级下学期期末学情调研测试题/ 4、张家口市2023-2024学年度高二年级第一学期期末考试(2024.1)化学试题 1、张家口市2023-2024学年度高二年级第一学期期末考试(2024.1)化学答案 1、张家口市2023-2024学年度高二年级第一学期期末考试(2024.1)地理答 5、安徽省2023/2024学年度八年级第一学期期末教学质量抽测英语试题 1、安徽省2023/2024学年度八年级第一学期期末教学质量抽测化学试题 1、安徽省2023/2024学年度八年级第一学期期末教学质量抽测地理试题 1、[学林教育]2023~2024学年度第一学期七年级期末调研试题(卷)物理B(北师大版)答案 1、[学林教育]2023~2024学年度第一学期七年级期末调研试题(卷)道德与法治C(部编版)试题 15.公是人类历史上一个永恒的主题。现实生活中,我们也常常会酒到是否公 2、[学林教育]2023~2024学年度第一学期八年级期末调研试题(卷)英语B(人教版)答案 1、[学林教育]2023~2024学年度第一学期八年级期末调研试题(卷)生物B(人教版)答案 1、[学林教育]2023~2024学年度第一学期八年级期末调研试题(卷)生 3、[衡中同卷]2023-2024学年度上学期高三年级期末考试语文(新高考版B)(新高考版B)答案 1、[衡中同卷]2023-2024学年度上学期高三年级期末考试语文(新高考)试题 1、[衡中同卷]2023-2024学年度上学期高三年级期末考试语文(新高考)答案 4、安徽省凤台片区2023-2024学年度第一学期九年级期末教学质量检测(试题卷)历史答案 1、安徽省凤台片区2023-2024学年度第一学期九年级期末教学质量检测(试题卷)化学答案 1、安徽省凤台片区2023-2024学年度第一学期九年级期末教学质量检测(试 5、河南省2023-2024学年度九年级第一学期期末测试卷生物(RJ)试题 1、河南省2023-2024学年度九年级第一学期期末测试卷生物(RJ)答案 1、[学林教育]2023~2024学年度第一学期七年级期末调研试题(卷)生物A(人教版)试题 1、商洛市2024届高三尖子生学情诊断考试(第二次)理科综合答案 1、商洛市2024届高三尖子生学情诊断考试(第二次)理科数学答案 1、商洛市2024届高三尖子生学情诊断考试(第二次)文科数学答案 1、商洛市 2、商洛市2024届高三尖子生学情诊断考试(第二次)理科数学答案 1、商洛市2024届高三尖子生学情诊断考试(第二次)文科数学答案 1、商洛市2024届高三尖子生学情诊断考试文科数学答案 1、菁师联盟·202 3、商洛市2024届高三尖子生学情诊断考试(第二次)文科综合答案 1、商洛市2024届高三尖子生学情诊断考试(第二次)文科数学答案 1、商洛市2024届高三尖子生学情诊断考试文科数学答案 1、菁师联盟·202 4、商洛市2024届高三尖子生学情诊断考试(第二次)文科综合试题 1、商洛市2024届高三尖子生学情诊断考试(第二次)文科数学试题 1、商洛市2024届高三尖子生学情诊断考试(第二次)文科数学答案 1、商洛市 5、商洛市2024届高三尖子生学情诊断考试(第二次)理科综合试题 1、商洛市2024届高三尖子生学情诊断考试(第二次)理科数学试题 1、商洛市2024届高三尖子生学情诊断考试(第二次)理科数学答案 1、商洛市 1、商洛市2024届高三尖子生学情诊断考试(第二次)文科综合答案 1、商洛市2024届高三尖子生学情诊断考试(第二次)文科数学答案 1、商洛市2024届高三尖子生学情诊断考试文科数学答案 1、菁师联盟·202 2、商洛市2024届高三尖子生学情诊断考试(第二次)理科数学试题 1、商洛市2024届高三尖子生学情诊断考试(第二次)理科数学答案 1、商洛市2024届高三尖子生学情诊断考试(第二次)文科数学答案 1、商洛市 3、商洛市2024届高三尖子生学情诊断考试(第二次)文科综合试题 1、商洛市2024届高三尖子生学情诊断考试(第二次)文科数学试题 1、商洛市2024届高三尖子生学情诊断考试(第二次)文科数学答案 1、商洛市 4、商洛市2024届高三尖子生学情诊断考试(第二次)理科综合试题 1、商洛市2024届高三尖子生学情诊断考试(第二次)理科数学试题 1、商洛市2024届高三尖子生学情诊断考试(第二次)理科数学答案 1、商洛市 5、商洛市2024届高三尖子生学情诊断考试理科数学答案 1、陕西省2024届九年级教学质量检测数学答案 菲调递弹,所以当0最小时,即0P=22,(Sm-35。2易求得50的值域为2,to),3)+o),故选项D正确。3V3(2法: 1、2024年河北省初中毕业生升学文化课考试(1)语文试题 1、2024年河北省初中毕业生升学文化课考试(1)语文答案 1、2024年河北省初中毕业生升学文化课考试(1)理科综合答案 1、2024年河北 2、2024年河北省初中毕业生升学文化课考试(1)英语答案 1、2024年河北省初中毕业生升学文化课考试(1)文科综合答案 1、围棋考级对升学有用吗相关消息最新 7.What might cause the 3、2024年河北省初中毕业生升学文化课考试(1)英语试题 1、2024年河北省初中毕业生升学文化课考试(1)文科综合试题 1、2024年河北省初中毕业生升学文化课考试(1)文科综合答案 1、围棋考级对 4、2024年河北省初中毕业生升学文化课考试(1)文科综合试题 1、2024年河北省初中毕业生升学文化课考试(1)文科综合答案 1、围棋考级对升学有用吗相关消息最新 7.What might cause the 5、围棋考级对升学有用吗相关消息最新 7.What might cause the traffic accident?A.The coach driver drank wine before driving.B.The road was 得分评卷人得分评卷人25.(本小题满分12分)26.(本小题满分13分)如图19-1,在△ABC中,AB=10,AC=15,∠A为锐角,且smA=号动点P从点A出发,沿边如图20,抛物线L:y=a(x+2)2+9与x轴交于A,B(-5,0)两点,与y轴交于点C(1)写出抛物线的对称轴,并求a的值;AC向点C运动,连接PB,将PB绕点P逆时针旋转90得到线段PQ,(2)行于x轴的直线1交抛物线L于点M,N(点M在点N的左边),交线段BC于(1)点B到AC的距离为点R,当R为线段MN的中点时,求点N的坐标;(2)当PB=4V5时,求AP的长;(3)将线段AB先向左移1个单位长度,再向上移5个单位长度,得到线段AB.若(3)如图19-2,当CQ∥AB时,求an∠ABP的值;抛物线L移后与线段A'B'有两个交点,且这两个交点恰好将线段A'B'三等分,求抛(4)若点P的运动速度为每秒1个单位长,直接写出点Q在△ABC区域(含边界)内的时长。物线L移的最短路程;Q(4)P是抛物线L上任意一点(不与点C重合),点P的横坐标为m,过点P作PQ⊥y轴于点Q,E为y轴上的一点,纵坐标为-2m.以EQ,PQ为邻边构造矩形PQEF,当抛物线L在矩形PQEF内的部分所对应的函数值y随x的增大而减小时,直接写出m的取值范围。yAVA个图19-1图19-2各用图封B/A图20备用图数学模拟试卷(十一)第8页(共8页)数学模拟试卷(十一)第7页(共8页) M植株的基因型是AaBB。(3)欲判断基因D/d和A/a是否位于一对同源染色体上,需要证明两对基因是否能自由组合,实验思路为让红色圆形茎青蒿(AADD)和青色菱形茎青蒿(aadd)杂交获得F,(AaDd),之后让F,与青色菱形茎青蒿(aadd)测交,观察并统计后代表型及比例;若基因D/d和A/a位于两对同源染色体上,如图甲,两对等位基因的遗传遵循自由组合定律,则测交后代的表型及比例为红色圆形茎:红色菱形茎:青色圆形茎:青色菱形茎=1:1:1:1:若基因D/d和A/a位于一对同源染色体上,如图乙,两对等位基因的遗传遵循分离定律,则测交后代的表型及比例为红色圆形茎:青色菱形茎=1:1。22答率(1)蚂蚁是一种活动能力弱且活动范围较小的动物(2分)样方的大小,样方的数量(2分)(2)大(1分)啮齿动物警觉性高,一次捕捉后难以再次捕捉,导致重捕的啮齿动物中被标记的个体数减少,所以调查的结果可能会偏大(2分)·(3)出现频率、种群密度、植株高度、与其他物种的关系等(答出两点即可,2分)(4)该时间段内啮齿动物减少,导致大粒种子植物增多,大粒种子植物在与小粒种子植物的竞争中占优势,小粒种子植物减少,造成蚂蚁食物减少(合理即可,2分)解题分析(1)调查蚂蚁种群密度一般采用样方法而不是标记重捕法,原因是蚂蚁是一种活动能力弱且活动范围较小的动物。选取样方时除要做到随机取样外,还要考虑样方的大小、样方的数量。(2)啮齿动物警觉性高,一次捕捉后难以再次捕捉,导致重捕的啮齿动物中被标记的个体数减少,因此调查的结果可能会偏大。(3)若要研究某区域内某种植物的生态位,通常要研究该区域内该植物的出现频率、种群密度、植株高度、与其他物种的关系等。(4)据图可知,从第2年到第3年蚂蚁数量逐渐减少,是因为该时间段内啮齿动物减少,大粒种子植物增多,大粒种子植物在与小粒种子植物的竟争中占优势,小粒种子植物减少,造成蚂蚁食物减少。23答案(1)酵母菌(1分)18~30℃(2分)(2)灭菌(1分)(3)给酵母菌有氧呼吸提供氧气,防止发酵液溢出(3分)老酒酒糟中含有酵母菌,可以加快酒精产生的速率(3分)(4)醋酸菌在氧气充足的情况下能将乙醇转化为乙酸,同时能大量增殖,在发酵液表面形成一层菌膜(3分)解题分析(1)酒精发酵的主要菌种是酵母菌,酵母菌生长的最适温度为18~30℃(2)酵母菌呼吸的底物主要是葡萄糖,蒸煮有利于使糯米等谷物中的淀粉糖化形成葡萄糖等,司时还能起到定的灭菌作用,以减少杂菌的污染。(3)装缸时不能装满,要留出约1/3的空间,目的是给酵母菌有氧呼吸提供氧气,同时防止发酵液溢出。往年的老酒酒槽中含有酵母菌,因此向发酵缸中加入适量往年的老酒酒槽可以增加菌种数量,加快酒精产生的速率,促进黄酒酿造过程。(4)醋酸菌在氧气充足的情况下能将乙醇转化为乙酸,同时能大量增殖,在发酵液表面形成一层菌膜。 1、陕西省2024秋季九年级第一阶段素养达标测试A/B物理答案 1、安徽省2023~2024学年度八年级阶段诊断[R-PGZX F-AH(五)5]语文答案 1、安徽省2023-2024学年度九年级阶段诊断(PGZX F-AH)(五) 2、山西省2023-2024学年九年级第一学期10月教学水调研卷x物理试卷答案 1、安徽2023-2024 学年七年级上学期调研三物理答案 1、2024届高三第一轮复周测卷·物理[24·G3ZCJ·物理-HKB-必考-SX](1-5)(政治)考试 3、重庆市第八中学2022-2023学年下学期高2024届7月考试化学试卷答案 1、福建省厦门市2022-2023学年高一下学期期末质量检测化学试题答案 8.B【解题分析】H2S不能使品红溶液褪色,A项错误;SO2可与NHCO3饱和溶液反应生成二氧化碳, 4、河南省2024-2025学年度七年级综合素养第一次月考(一)长标数学答案 1、湖北省黄石市部分学校2023-2024学年度第一学期高二年级期末联考地理试题 1、[学林教育]2023~2024学年度第一学期七年级期末调研试题(卷)地理A(人教版 5、[安师联盟]2024年中考权威预测模拟试卷(一)1道德与法治试题 1、[安徽省]2024年中考模拟示范卷[AH](一)1道德与法治试题 1、安徽省2024年中考总复专题训练 R-AH(一)1化学试题 1、安 throughout the week,Johnson soon found herself travelling across Norwich and hunting for hedgehogs.Shepicked the hedgehog up very carefully,.placed it into the box and rushed it a local sanctuary(鸟兽保护区).Herduty is to rescue injured hedgehogs,ones found on private property that need rehoming,and babies that have beenabandoned.A year on from her first rescue,Johnson estimates that she has completed close to 30 rescues.With birthingseason around the comner;Johnson is preparing for her busiest time of the year,looking after hoglets and the newmums."They're not just cute but they're also amazing animals,native to our country,that need protecting,"shesays."Housing developments put them at risk,as well as people cutting down hedges and putting up fences theycan't travel through."Johnson's own garden has become a shelter for the creatures.The animals have also provided the inspirationfor her writing.Her next novel,Prickly Company,tells the story of a woman who becomes passionate aboutcreating a hedgehog highway through her neighbours'gardens and discovers their secrets in the process.24.Why did Johnson join Hodmedods Hedgehog Support?A.She had similar experiences.B.She was curious about wildlife.C.She was inspired by other role models.D.She needed a solution to her empty nest.25.What does paragraph 3 mainly talk about?A.HHS animal care and welfare.B.Johnson's routine work with HHSC.The gravity of hedgehog's survival.D.The complexity of a hedgehog rescue.26.What put hedgehogs at risk?A.Overbirthing.B.Hunting.C.Human activities.D.Non-native species.27.Why does the author mention Prickly Company?A.To provide an example.D.To introduce the novel.C.To summarize the passage.B.To explain an innovation.CIn the village of Barlaston,a strange language can be heard.It's not the friendly Potteries dialect,butsomething that sounds a little like the lovechild of French and German.The concept of an easy-to-leamn,universalsecond tongue was energetically promoted,drawing many speakers to the area.There has been an increase inpeople taking up Esperanto()recently.The Esperanto Association has increased the number of beginners'courses by four-fold to keep up with demand.Esperanto was created by Zamenhof,a Jewish-Polish doctor born in 1859 in Bialystok,now in Poland.Violence between different groups was common in the world.While still a child,Zamenhof hit upon the idea thata constructed second language that was easy to learn and understand would allow people to talk as peers,ratherthan fight.In 1887,Zamenhof published his ideas.By 1905,the fundamental rules of Esperanto had beenestablished by a conference of speakers in France,and Esperantist groups began popping up across the world.In Esperanto,all words ending -o are nouns,an -a ending is for an adjective,while -e denotes (anadverb.For instance,"vida"for visual and"vide"for visually,concepts that require different words in English.Ifyou need to find an opposite,you can add the "mal"prefix:"pura"is clean,"malpura"is dirty.These buildingblocks can help speakers learn new words very quickly.There are no grammatical genders,verbs are strictlyregular.It's child's play to leam compared with years of high-school language lessons.Why isn't Esperanto the current go-to for international communication?Esperanto is“neutral'”(中立的)高三英语试题第4页共8页 throughout the week,Johnson soon found herself travelling across Norwich and hunting for hedgehogs.Shepicked the hedgehog up very carefully,.placed it into the box and rushed it a local sanctuary(鸟兽保护区).Herduty is to rescue injured hedgehogs,ones found on private property that need rehoming,and babies that have beenabandoned.A year on from her first rescue,Johnson estimates that she has completed close to 30 rescues.With birthingseason around the comner;Johnson is preparing for her busiest time of the year,looking after hoglets and the newmums."They're not just cute but they're also amazing animals,native to our country,that need protecting,"shesays."Housing developments put them at risk,as well as people cutting down hedges and putting up fences theycan't travel through."Johnson's own garden has become a shelter for the creatures.The animals have also provided the inspirationfor her writing.Her next novel,Prickly Company,tells the story of a woman who becomes passionate aboutcreating a hedgehog highway through her neighbours'gardens and discovers their secrets in the process.24.Why did Johnson join Hodmedods Hedgehog Support?A.She had similar experiences.B.She was curious about wildlife.C.She was inspired by other role models.D.She needed a solution to her empty nest.25.What does paragraph 3 mainly talk about?A.HHS animal care and welfare.B.Johnson's routine work with HHSC.The gravity of hedgehog's survival.D.The complexity of a hedgehog rescue.26.What put hedgehogs at risk?A.Overbirthing.B.Hunting.C.Human activities.D.Non-native species.27.Why does the author mention Prickly Company?A.To provide an example.D.To introduce the novel.C.To summarize the passage.B.To explain an innovation.CIn the village of Barlaston,a strange language can be heard.It's not the friendly Potteries dialect,butsomething that sounds a little like the lovechild of French and German.The concept of an easy-to-leamn,universalsecond tongue was energetically promoted,drawing many speakers to the area.There has been an increase inpeople taking up Esperanto()recently.The Esperanto Association has increased the number of beginners'courses by four-fold to keep up with demand.Esperanto was created by Zamenhof,a Jewish-Polish doctor born in 1859 in Bialystok,now in Poland.Violence between different groups was common in the world.While still a child,Zamenhof hit upon the idea thata constructed second language that was easy to learn and understand would allow people to talk as peers,ratherthan fight.In 1887,Zamenhof published his ideas.By 1905,the fundamental rules of Esperanto had beenestablished by a conference of speakers in France,and Esperantist groups began popping up across the world.In Esperanto,all words ending -o are nouns,an -a ending is for an adjective,while -e denotes (anadverb.For instance,"vida"for visual and"vide"for visually,concepts that require different words in English.Ifyou need to find an opposite,you can add the "mal"prefix:"pura"is clean,"malpura"is dirty.These buildingblocks can help speakers learn new words very quickly.There are no grammatical genders,verbs are strictlyregular.It's child's play to leam compared with years of high-school language lessons.Why isn't Esperanto the current go-to for international communication?Esperanto is“neutral'”(中立的)高三英语试题第4页共8页 throughout the week,Johnson soon found herself travelling across Norwich and hunting for hedgehogs.Shepicked the hedgehog up very carefully,.placed it into the box and rushed it a local sanctuary(鸟兽保护区).Herduty is to rescue injured hedgehogs,ones found on private property that need rehoming,and babies that have beenabandoned.A year on from her first rescue,Johnson estimates that she has completed close to 30 rescues.With birthingseason around the comner;Johnson is preparing for her busiest time of the year,looking after hoglets and the newmums."They're not just cute but they're also amazing animals,native to our country,that need protecting,"shesays."Housing developments put them at risk,as well as people cutting down hedges and putting up fences theycan't travel through."Johnson's own garden has become a shelter for the creatures.The animals have also provided the inspirationfor her writing.Her next novel,Prickly Company,tells the story of a woman who becomes passionate aboutcreating a hedgehog highway through her neighbours'gardens and discovers their secrets in the process.24.Why did Johnson join Hodmedods Hedgehog Support?A.She had similar experiences.B.She was curious about wildlife.C.She was inspired by other role models.D.She needed a solution to her empty nest.25.What does paragraph 3 mainly talk about?A.HHS animal care and welfare.B.Johnson's routine work with HHSC.The gravity of hedgehog's survival.D.The complexity of a hedgehog rescue.26.What put hedgehogs at risk?A.Overbirthing.B.Hunting.C.Human activities.D.Non-native species.27.Why does the author mention Prickly Company?A.To provide an example.D.To introduce the novel.C.To summarize the passage.B.To explain an innovation.CIn the village of Barlaston,a strange language can be heard.It's not the friendly Potteries dialect,butsomething that sounds a little like the lovechild of French and German.The concept of an easy-to-leamn,universalsecond tongue was energetically promoted,drawing many speakers to the area.There has been an increase inpeople taking up Esperanto()recently.The Esperanto Association has increased the number of beginners'courses by four-fold to keep up with demand.Esperanto was created by Zamenhof,a Jewish-Polish doctor born in 1859 in Bialystok,now in Poland.Violence between different groups was common in the world.While still a child,Zamenhof hit upon the idea thata constructed second language that was easy to learn and understand would allow people to talk as peers,ratherthan fight.In 1887,Zamenhof published his ideas.By 1905,the fundamental rules of Esperanto had beenestablished by a conference of speakers in France,and Esperantist groups began popping up across the world.In Esperanto,all words ending -o are nouns,an -a ending is for an adjective,while -e denotes (anadverb.For instance,"vida"for visual and"vide"for visually,concepts that require different words in English.Ifyou need to find an opposite,you can add the "mal"prefix:"pura"is clean,"malpura"is dirty.These buildingblocks can help speakers learn new words very quickly.There are no grammatical genders,verbs are strictlyregular.It's child's play to leam compared with years of high-school language lessons.Why isn't Esperanto the current go-to for international communication?Esperanto is“neutral'”(中立的)高三英语试题第4页共8页 throughout the week,Johnson soon found herself travelling across Norwich and hunting for hedgehogs.Shepicked the hedgehog up very carefully,.placed it into the box and rushed it a local sanctuary(鸟兽保护区).Herduty is to rescue injured hedgehogs,ones found on private property that need rehoming,and babies that have beenabandoned.A year on from her first rescue,Johnson estimates that she has completed close to 30 rescues.With birthingseason around the comner;Johnson is preparing for her busiest time of the year,looking after hoglets and the newmums."They're not just cute but they're also amazing animals,native to our country,that need protecting,"shesays."Housing developments put them at risk,as well as people cutting down hedges and putting up fences theycan't travel through."Johnson's own garden has become a shelter for the creatures.The animals have also provided the inspirationfor her writing.Her next novel,Prickly Company,tells the story of a woman who becomes passionate aboutcreating a hedgehog highway through her neighbours'gardens and discovers their secrets in the process.24.Why did Johnson join Hodmedods Hedgehog Support?A.She had similar experiences.B.She was curious about wildlife.C.She was inspired by other role models.D.She needed a solution to her empty nest.25.What does paragraph 3 mainly talk about?A.HHS animal care and welfare.B.Johnson's routine work with HHSC.The gravity of hedgehog's survival.D.The complexity of a hedgehog rescue.26.What put hedgehogs at risk?A.Overbirthing.B.Hunting.C.Human activities.D.Non-native species.27.Why does the author mention Prickly Company?A.To provide an example.D.To introduce the novel.C.To summarize the passage.B.To explain an innovation.CIn the village of Barlaston,a strange language can be heard.It's not the friendly Potteries dialect,butsomething that sounds a little like the lovechild of French and German.The concept of an easy-to-leamn,universalsecond tongue was energetically promoted,drawing many speakers to the area.There has been an increase inpeople taking up Esperanto()recently.The Esperanto Association has increased the number of beginners'courses by four-fold to keep up with demand.Esperanto was created by Zamenhof,a Jewish-Polish doctor born in 1859 in Bialystok,now in Poland.Violence between different groups was common in the world.While still a child,Zamenhof hit upon the idea thata constructed second language that was easy to learn and understand would allow people to talk as peers,ratherthan fight.In 1887,Zamenhof published his ideas.By 1905,the fundamental rules of Esperanto had beenestablished by a conference of speakers in France,and Esperantist groups began popping up across the world.In Esperanto,all words ending -o are nouns,an -a ending is for an adjective,while -e denotes (anadverb.For instance,"vida"for visual and"vide"for visually,concepts that require different words in English.Ifyou need to find an opposite,you can add the "mal"prefix:"pura"is clean,"malpura"is dirty.These buildingblocks can help speakers learn new words very quickly.There are no grammatical genders,verbs are strictlyregular.It's child's play to leam compared with years of high-school language lessons.Why isn't Esperanto the current go-to for international communication?Esperanto is“neutral'”(中立的)高三英语试题第4页共8页


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