皖南八校联考汇总一二三次文档格式.docx
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皖南八校联考汇总一二三次文档格式.docx
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?
的图象,只需将函数g(x
1
x?
sin3x的图象2
5?
5?
个单位B.向左平移个单位C.向左平移个单位D.向左平移个单位12361236
*
6.已知数列{an}满足a1=1,an-1=2an(n≥2,n?
N),则数列{an}的前6项和为
63127
A、63B.127C.D.
6432
7
?
,则sin?
的值为?
cos)?
22127B、-C、D、-
399A
8、已知平行四边形ABCD的对角线分别为AC,BD,且AE?
2EC,点F是BD上靠近D的四等分点,则
9、下列函数中,在区间(0,1)上单调递增的有
A、0个B、1个C、2个D、3个10、下列命题中是真命题的为A.“存在”的否定是‘不存在”
222
B.在△ABC中,“AB+AC>BC”是“△ABC为锐角三角形”的充分不必要条件
C.任意D、存在
x?
y?
2?
11·
己知实数x,y满足?
2x?
4,直线(2+?
)x一(3+?
)y+(l一2?
)=0(?
R)过定点
3y?
12?
0?
A(x0,y0),则z?
y?
y0
的取值范围为x?
x0
A、[
1111
,7]B、[,5]C、(-?
,]?
[7,+?
]D、(-?
[5,+?
]5757
3
2
l2.已知函数f(x)?
2ax?
3,g(x)?
3x?
2,若关于x的方程f(x)一g(x)有唯一解x0,且x0?
(0,+?
),则实数a的取值范围为
A·
(一?
一1)B.(一l,0)C.(0,1)D.(1,+?
)二、填空题:
共20分.把答案填在题中的横线上.
13.由曲线y?
x与曲线y?
|x|围成的平面区域的面积为·
14.已知函数
图象关于原点对称.则实数a
的值构成的集合为
15.已知直角梯形ABCD中,AB∥CD,∠BCD=600,E是线段AD上靠近A的三等分点,F是线段DC的中
点,若AB=2,ADEB?
EF=
16.设数列{an}的前n项和为{Sn},已知a1=1,an+1=2Sn+2n,则数列{an}的通项公式an=三、解答题:
已知函数
(I)求函数f(x)的解析式;
(II)若在〔一
.
6,3
〕内,函数y=f(x)十m有两个零点,求实数m的取值范围.
18.(本小题满分12分)
已知等差数列{an}的前n项和为Sn,且a1=1,S10=55.(I)求数列{an}的通项公式;
(II)若数列{bn}满足b1=l,,求数列的前n项和Tn.
19.(本小题满分12分)
已知函数f(x)=x2
2ax+b,x?
[一l,l]的最大值为M.
(I)用a,b表示M;
(II)若b=a2,且对任意x?
[0,2?
],sin2x一2x十4≤M,求实数a的取值范围.20.(本小题满分12分)
在△ABC中,a,b,c分别为内角A,B,C的对边,AM是况边上的中线,G是AM上的点,且?
AG?
GM?
.
(I)若△ABC三内角A、B、C满足sinA:
sinB:
sinC
1:
2,求sinC的值.(II)若,当AG取到最小值时,求b的值.
21.(本小题满分12分)
设函数f(x)=
(I)求函数f(x)的极值;
(II)已知g(x)=f(x+1),当a>0时,若对任意的x≥0,恒有g(x))≥0,求实数a的取值范围.
23.(本小题满分10分)选修4一4:
坐标系与参数方程
在平面直角坐标系xoy中,直线l的参数方程是?
x?
t?
3t?
a以O为极点,x轴非负半轴为极
轴建立极坐标系,曲线C
的极坐标方程为?
)·
(I)求曲线C的直角坐标方程;
(II)若直线l过点(2,3),求直线l被圆C截得的弦长.24.(本小题满分10分)选修4一5:
不等式选讲
已知函数f(x)=|2x+1|,g(x)=|3x一a|(a?
R).(I)当a=2时,解不等式:
f(x)+g(x)>x+6;
(II)若关于x的不等式3f(x)+2g(x)≥6在R上恒成立,求实数a的取值范围·
篇二:
“皖南八校”2017届高三第二次联考英语试卷
“皖南八校”2017届高三第二次联考英语试卷
2016.12
第I卷(共100分)
第一部分听力(共两节,满分30分)
做题时,先将答案划在试卷上。
录音内容结束后,你将有两分钟的时间将试卷上的答案转涂到答题卡上。
第一节(共5小题;
每小题1.5分,满分7.5分)
听下面5段对话,每段对话后有一个小题,从题中所给的A、B、C三个选项中选出最佳选项,并标在试卷的相应位置。
听完每段对话后,你都有10秒钟的时间来回答有关小题和阅读下一小题。
每段对话仅读一遍。
1.Whatdoesthemanmean?
A.Heistoobusy.B.Heiswillingtohelp.C.Hewon'
tofferhelp.
2.Whatdowelearnaboutthespeakers?
A.They'
llkeepintouchduringthesummervacation.
B.They'
llholdapartybeforethesummervacation.
C.They'
llgetbacktoschoolonceinawhile.
3.Howmuchdidtheshoescostoriginally?
A.80dollars.B.40dollars.C.20dollars.
4.Whendoestheconversationtakeplace?
A.Inthemorning.B.Intheafternoon.C.Intheevening.
5.Whatwillthespeakersprobablydo?
A.Gototheparkbybike.B.Gototheparkbybus.C.Notgotothepark.
第二节(共15小题;
每小题1.5分,满分22.5分)
听下面5段对话或独白,每段对话或独白后有几个小题,从题中所给的A、B、C三个选项中
选出最佳选项,并标在试卷的相应位置。
听每段对话或独白前,你将有时间阅读各个小题,每小
题5秒钟;
听完后,各小题将给出5秒钟的作答时间。
每段对话或独白读两遍。
听第6段材料,回答第6、7题。
6.Whatwouldtheboyratherdo?
A.Dothedishes.B.Cleanthetable.C.Emptythedustbin.
7.What'
stherelationshipbetweenthespeakers?
A.Motherandson.B.Sisterandbrother.C.Teacherandstudent.
听第7段材料,回答第8.9题。
8.Whyarethespeakerssobusy?
reworkingonachemistryexperiment.
repreparingforsomanyexams.
C.Theyhavealotofhomework.
9.Wherearethespeakers?
A.Onthecampus.B.Inthelibrary.C.Intheclassroom.
听第8段材料,回答第10至12题。
10.WhatisHarrodsfamousfor?
A.ItsFoodHallandEgyptianHall.
B.Itsmanydifferentkindsoffood.
C.Itsancient-stylebuildings.
11.HowdoesHarrodsgetmostofitspower?
A.Bygettingitfromasmalltown.
B.Byproducingelectricityitself.
C.Bygettingitfromthebiggestelectricityfactory.
12.HowmanypeoplecomeinadayinJanuary?
A.30,000.B.300,000.C.15,000,000.听第9段材料,回答第13至16题。
13.Whereistheman?
A.Inahairdresser'
s.B.Inastore.C.Inahotel.
14.Howlonghasn'
tthemanbeenhere?
A.Aboutonemonth.B.Abouttwomonths.C.Aboutthreemonths.
15.Howwilltheman'
shairbebetteraccordingtothewoman?
A.Byusingagoodconditioner.
B.Bycuttinghairusually.
C.Bywashinghaireveryday.
16.Whatdoesthemanthinkofthewoman'
sadvice?
A.Heacceptsit.
B.Herefusesit.
C.Hewilltryitnexttime.
听第10段材料,回答第17至20题。
17.Whatisthefirstthingyoushoulddobeforegoingshopping?
A.Buylocalnewspapers.
B.Callthestoretofindouttheprice.
C.Writedownthethingsyouaregoingtobuy.
18.Wherecanyoubuythingscheaply?
A.Inchainstoresandsupermarkets.
B.Instoreswithlongeropenhours.
C.Inchainstoresandlocalstores.
19.Whatisthemainideaofthepassage?
A.Howtobuythingscheaply.
B.Howtobeaclevershopper.
C.Howtosavemoney.
20.Howmanypointsdoesthespeakermentionasasmartshopper?
A.2points.B.3points.C.4points.第二部分阅读理解(共两节,满分40分)
第一节(共15小题;
每小题2分,满分30分)
阅读下列短文,从每题所给的四个选项(A、B、C、和D)中,选出最佳选项,并在答题卡上将该项涂黑。
A
Bookablestudyrooms
TheLibraryprovidesavarietyofbookablegroupstudyrooms,somewithpresentation
areas,forgroupsofbetween6and12studentstouseforteamwork.
Groupstudyrooms
Thereare10GroupStudyRoomsonLevel30fNorthamptonSquareLibrary.
·
Rooms3A,3F,3G,3H,3Jand3Kareequippedwithpresentationareatohelppreparegrouppresentations.
Rooms3B,3C,3Dand3Eareintendedforgroupdiscussionandseminarwork.Theseroomsareequippedwithwhiteboards.WhiteboardpenscanbeborrowedfromtheservicedeskonLevel2.Pleasedonotuseanyotherwritingtoolsonthewhiteboards.
Maximumbookingperiodof2hoursatonetime.
Presentationareasprovide:
LEDscreentopracticepresentationwithgroupcolleagues
NetworkaccessonPCwithwiderangeofsoftware
USBporttoplugin(插入)yourowndeviceorlaptop
Assistive(为残疾人设计的)TechnologyRooms
AssistivetechnologyroomsareavailableforstudentsbyusingIDcardstogetaccesspermissionandcanbebookedforamaximumof4hoursperpersonperday.
Roomsareequippedwiththefollowingsoftware:
Dragon,JAWS,ZoomText,Kurzweil,Supernova,TextHelpandInspiration.Ascannerisprovidedforusewiththeassistivesoftwarepackages.ForfurtherinformationclickGuidetoLibraryServicesforAdditionalNeeds.
21.lfyouandyourfiveteammembersneedtobookaroomtopresentaproject,whichroomshouldyougoto?
A.Room3B.B.Room3C.C.Room3E.D.Room3G.
22.WhatdoweknowaboutGroupStudyRooms?
A.TheyareonLevel2.B.Theyareequippedwithwhiteboards.
C.TheyhavenoInternetaccess.D.TheyprovideUSBdisks.
23.Whichofthefollowingisspeciallyprovidedforstudentswithdisability?
A.2hoursperpersonperday.
B,Whiteboardpens.
C.LEDscreen.
D.Ascannerwithassistivesoftwarepackages.
24.Wemayreadthisarticleona
A.websiteB.magazineC.bookletD.storybook
B
Anearlymorningwinterstormhadbroughtseveralinchesofsnowmmysmalltowninthemountains.Schoolswerecanceled,roadsweredangerousandallIwantedtodowastostayinbed.Still,IknewIhadtogetthedaystartedsoIputonwarmclothesandwalkedoutside.TheYet,whenIlookedoutonthewhiteblanketthatcoveredtheground,Icouldn'
thelpbutsmileabit.Itwassobeautiful.Itsoftenedthebaretreesandhidthedeadgrass.InthedistanceIcouldhearthesoundofthesnowplow(雪犁)ontheroad,thebarkingofahappydogandthelaughterofchildrenplayingoutside,enjoyingtheirwayofffromschool.
Thesweetmusicofthatlaughterbroughtbackahundredmemoriesofwinterspast.Irememberedcatchingsnowflakes(雪花)onmytongue,buildingsnowmen,makingsnowangles,
runningdownhillsandalwayslosingsnowballfightswithfirstmybrothersandthenmyownchildren.Standingthereinthatwarmcoatofmemoriesmadethewindalittlelesscoldandmybackalittlelesssore(疼痛的).Iturnedupmyhead,stuckoutmytongueandforthefirsttimeinyearscaughtasnowflakeonit.Ittastedsofreshandclean.Ittastedlikeyouth,likejoyandlikelove.
Mayyoualwaysfeelyounginspirit,nomatterhowoldorachyyourbodymaybe.Mayyoualwaysdelightinthesimplejoysoflife.Mayyoualwaysshareyourhappinesswiththeheartsofchildren.Andmayyoualwaysgiveyourlove,yourlight,yourlaughterandyourwarmthtoothersevenonthecoldestdays.
25.Whatwastheauthor'
sfirstreactionwhenheknewitsnowedheavily?
A.Hewasupset.B.Hewashappy.
C.Hewasthankful.D.Hewasmoved.
26.Fromwhichsensesdidtheauthordescribethejoyofhavingsnow?
A.Tasteandsmell.B.Sightandsmell.
C.Smell,hearingandtaste.D.Sight,hearingandtaste.
27.Whatdoestheauthormainlywanttotelluswiththisarticle?
A.Appreciateeverysnowstormyouspendwithyourfamily.
B.Snowbringsbothfunandtrouble.
C.Memoriescanchangeouropinion.
D.Weshouldstayyoungatheart.
28.FromtheunderlinedsentenceinParagraphl,wecanknowthat“"
.
A.mybackachedbecauseofthecoldweather.
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