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    notes.第三部分语言知识运用(共两节,满分45分)第一节(共20小题;每小题1.5分,满分30分)阅读下面短文,从短文后各题所给的A、B、C和D四个选项中,选出可以填入空白处的最佳选项。When Garvison flew from Chicago to Atlanta earlier this week with a baby in herarms,she saw the unhappy looks of her seatmates."As soon as we got on the plane at 5:30 a.m.,it was very quiet and it was a full51,"Garvison wrote in a Facebook 52"I noticed that the two seats next tome were53 and this couple looked annoyed and I could tell by their body54 that they weren't 55 about sitting next to Rylee my baby."Garvison asked if she could change 56.And her new seatmate57 all the difference in the day of this young mom,who was on a trip to surpriseher military husband."The next thing I knew was that I was sitting next to this amazing woman!I wasnot sure if she could tell how58I looked,but she turned ourday 59 around.Rlyee wouldn't stop60 no matter what I would try anddo,so she asked whether I would61 if she could try and of course I let her.As soon as she had her,Rlyee was looking out of the window and stopped crying.When we got in the air,she fell right asleep and slept the whole flight 62 wegot to our 63.She kept saying it wasn't a problem 64and it was65 a comforting feeling for her.She even carried her off the plane.""Miller,"she wrote,"you will never understand how happy this actof 66has made my family.You could have just 67 your eyes andbeen unhappy like everyone else,but you took her and held her the entire flight andlet me get some rest and 68 of mind.It brought tears to my eyes while I satthere and watched you and Rylee sleeping next to69 I just couldn't believehow that ended up70 and how caring you were to us.Thank you so much!God bless you!"51.A.trainB.busC.shipD.flight52.A.postB.guideC.advertisementD.menu53.A.takenB.repairedC.offeredD.noticed54.A.weightB.heightC.languageD.shape55.A.proudB.happyC.angryD.excited56.A.ticketsB.seatsC.plansD.books57.A.advisedB.wonC.madeD.obeyed58.A.upsetB.calmC.frightenedD.sad59.A.heavilyB.politelyC.blindlyD.completely60.A.talkingB.sleepingC.cryingD.playing61.A.guessB.forgetC.mindD.realize高三年级英语试题第9页(共12页)

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    度,经实验”米的结材x的¥注意事项0全国O0所名校高三AB测试示范卷·数学二填空题:2题前,考生务必将密对线内的项目写清第十一套滚动内容+三角函数(B卷)(40分钟100分)77.若an0「),考情分析,微信扫码一8.已知函数高考对接点三角函数的图象与性质及三角恒等变换是高考中的必考内容,常在客观题中考查学疑难点三角函数的性质的应用再将所液动内容指数函数、对数函数、暴函数、导数及其应用观看微课视频课外题解析典型情境题6下载复课件在、选择题:本题共6小题,每小题6分,共36分三、解答更1.如果2弧度的圆心角所对的弦长为2,那么这个圆心角所对的弧长为9.(17分A点R品已知C.2sin 1D.4sin 12.已知函数y=f(x)十2x是奇函数,且f(1)=一3,则f(一1)=(1)求A-司B(2)C.-1D.33.已知角0的顶点在坐标原点上,始边与x轴的非负半轴重合,终边经过点(一4,m),若tan20-封4,且s血0)在0,)上单调递减,在(,m)上单调递增,则函数f)的图象的对称中心为A.(3k,2r,0)(keZ)2B.((Z)3C.((Z)10D.(9kr6r,0)(k∈ZD10线5.已知函数f(x)=sin2x+2x,a=f(2.3),b=f(log32),c=f(3.4),则a,b,c的大小关系是A.ac>bB.a>b>cC.c>a>bD.c>b>a6.(多选题)已知函数f)=2cos(号吾)+21sn,则靠A3π为函数f(x)的一个周期B.直线x=π为函数f(x)图象的一条对称轴C.函数f(x)在[x,]上单调递减D.函数f(x)在[-2π,-]上的值域为[V3,23]空-·21·置9

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    所以6(x)在02上单调莲,布+上单调递减,则6(x)nmas22m≥,B错误,2e对于C选项,g(x)=1有两个根x,:,等价于函数8(x)-1有两个零点x,,主到[e)-可=1--:则s间-在Q)上华深送说,在以上运,因透数有零点,则[g(y-]n=g()-t=1-11设x0时f'(x)>0,则f(x)在(0,+o)单调递增,又f(x)=g(x)=t(t>2),f()=e-1

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    3d3(2分)相同(1分)(4)3(2分)烷基是推电子基团,烷基越长推电子效应越大,使羧基中的羟基的极性越小,羧酸的酸性越弱(2分,合理即可)2.34×1023(5)Mn4N(2分)。(或234×10)02分)a'NAa'N【解析】(1)元素的非金属性越强,其电负性越大,非金属性O>C>H,则电负性O>C>H。(2)N0,中N原子的价层电子对数=2+5+1二2x2=2+1=3,含一个孤电子对,根据价层电2子对互斥理论判断该离子的空间结构为V形。(3)Mn为25号元素,根据构造原理知,Mn的基态原子核外电子排布式为[Ar]3d4s2,失电子时,失去4s轨道上的2个电子和3d轨道上的一个电子,故Mn3+的价层电子的轨道表3d示式为电子的自旋状态相同。(4)由三醋酸锰的结构可知,配位键数为3:CH,COOH的酸性强于CH,CH,COOH的原因是烷基是推电子基团,烷基越长推电子效应越大,使羧基中的羟基的极性越小,羧酸的酸性越弱。法”,1个晶胞中含M:8x+6x4,N:1,氨化解@个量的质很为签9g-兰。,品蛋的品盈态数为am,用的估发为D8一g=N234cm)3=a3×1021cm3,晶体的密度为8÷(ax1021cm)=2.34×1023gcm3。注:其他合理答案也可。第7页共7页

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