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天津市和平区2015-2016学年高一(下)期中数学试卷(解析版)(常用版)(可以直接使用,可编辑完整版资料,欢迎下载)
天津市和平区2015-2016学年高一(下)期中数学试卷(解析版)(常用版)(可以直接使用,可编辑完整版资料,欢迎下载) 2021-2021学年天津市和平区高一(下)期中数学试卷 一、选择题:本大题共8小题,每小题3分,共24分。在每小题给出的四个选项中只有一项是符合题目要求的,请将题中正确选项的代号填在下列表格中 1.下列命题正确的是() A.若a<b<0,则ac<bc B.若a>b,c>d,则ac>bd C.若a>b,则< D.若>,c≠0,则a>b 2.在数列{an}中,a1=﹣1,an+1=an﹣3,则a4=() A.﹣10 B.﹣7 C.﹣5 D.113.若1<a<3,2<b<4,则的范围是() A.(,1) B.(,4) C.(,) D.(1,4)4.在△ABC中,已知c=,A=,a=2,则角C=() A. B. C.或 D.或5.已知等比数列{an}中有a3a11=4a7,数列{bn}是等差数列,且a7=b7,则b5+b9=() A.2 B.4 C.8 D.166.在△ABC中,已知sinA=2cosBsinC,则△ABC的形状是() A.直角三角形 B.等腰三角形 C.等腰直角三角形 D.不确定 7.设Sn是等差数列{an}的前n项和,若=,则=() A. B. C. D.8.已知数列{an}的前n项和Sn=2n﹣1,则此数列的奇数项的前n项和是() A. B.) C. D. 二、填空题:本大题共6小题,每小题4分,共24分,请将答案直接写在题中的横线上 9.在数列{an}中,an=2n2﹣3,则125是这个数列的第项. 10.在△ABC中,三边a,b,c成等比数列,a2,b2,c2成等差数列,则三边a,b,c的关系为. 11.对于任意实数x,不等式2mx2+mx﹣<0恒成立,则实数m的取值范围是. 12.在等差数列{an}中,已知a1=1,前5项和S5=35,则a8的值是
. 13.在△ABC中,若∠A=120°,AB=5,BC=7,则△ABC的面积S=. 14.已知数列{an}满足an+1=2an+32n,a1=2,则数列{an}的通项公式是. 三、解答题:本大题共6小题,共52分,解答应写出解题过程或证明过程. 15.已知不等式ax2﹣3x+2>0的解集为{x|x<1或x>b}. (1)求a,b的值; (2)解关于x的不等式ax2﹣(2b﹣a)x﹣2b<0. 16.已知等比数列{an}中,a1=1,公比为q(q≠1且q≠0),且bn=an+1﹣an. (1)判断数列{bn}是否为等比数列,并说明理由; (2)求数列{bn}的通项公式. 17.已知数列{an}的前n项和Sn=2n+2﹣4. (1)求数列{an}的通项公式; (2)设等差数列{bn}满足b7=a3,b15=a4,求数列{bn}的前n项和Tn. 18.若等比数列{an}的前n项和Sn=a﹣. (1)求实数a的值; (2)求数列{nan}的前n项和Rn. 19.在△ABC中,角A,B,C的对边分别为a,b,c,已知cosA=,b=5c. (1)求sinC; (2)若△ABC的面积S=sinBsinC,求a的值. 20.已知数列{an}的前n项和为Sn,满足an≠0, (1)求证 (2)设求数列{bn}的前n项和Tn. 2021-2021学年天津市和平区高一(下)期中数学试卷 参考答案与试题解析 一、选择题:本大题共8小题,每小题3分,共24分。在每小题给出的四个选项中只有一项是符合题目要求的,请将题中正确选项的代号填在下列表格中 1.下列命题正确的是() A.若a<b<0,则ac<bc B.若a>b,c>d,则ac>bd C.若a>b,则< D.若>,c≠0,则a>b 【分析】利用不等式的基本性质,逐一分析四个答案的真假,可得答案. 【解答】解:若a<b<0,c>0,则ac<bc,但c≤0时,ac≥bc,故A错误; 若a>b>0,c>d>0,则ac>bd,但0>a>b,0>c>d时,ac<bd,故B错误; 若a>b>0,或0>a>b则<,但a>0>b时,>,故C错误; 若>,c≠0,则a>b,故D正确; 故选:D 【点评】本题以命题的真假判断与应用为载体,考查了不等式的基本性质,难度不大,属于基础题. 2.在数列{an}中,a1=﹣1,an+1=an﹣3,则a4=() A.﹣10 B.﹣7 C.﹣5 D.11【分析】由题意易得数列{an}是﹣1为首项﹣3为公差的等差数列,由通项公式可得. 【解答】解:∵在数列{an}中,a1=﹣1,an+1=an﹣3, ∴an+1﹣an=﹣3,即数列{an}是﹣1为首项﹣3为公差的等差数列, ∴a4=﹣1+3×(﹣3)=﹣10, 故选:A. 【点评】本题考查等差数列的通项公式,属基础题. 3.若1<a<3,2<b<4,则的范围是() A.(,1) B.(,4) C.(,) D.(1,4)【分析】根据已知结合不等式的基本性质,可得的范围. 【解答】解:∵2<b<4, ∴<<, 又∵1<a<3, ∴<<, 即∈(,). 故选:C. 【点评】本题考查的知识点是不等式的基本性质,难度不大,属于基础题. 4.在△ABC中,已知c=,A=,a=2,则角C=() A. B. C.或 D.或【分析】由正弦定理可得sinC=,把已知代入可求sinC,进而可求C. 【解答】解:∵在△ABC中,已知c=,A=,a=2, ∴由可得:sinC===, ∵c>a,可得:<C<π, ∴C=或. 故选:C. 【点评】本题主要考查了正弦定理的简单应用,属于基础题. 5.已知等比数列{an}中有a3a11=4a7,数列{bn}是等差数列,且a7=b7,则b5+b9=() A.2 B.4 C.8 D.16【分析】由a3a11=4a7,解出a7的值,由b5+b9=2b7=2a7求得结果. 【解答】解:等比数列{an}中,由a3a11=4a7,可知a72=4a7,∴a7=4, ∵数列{bn}是等差数列,∴b5+b9=2b7=2a7=8, 故选C. 【点评】本题考查等差数列、等比数列的性质,求出a7的值,是解题的关键. 6.在△ABC中,已知sinA=2cosBsinC,则△ABC的形状是() A.直角三角形 B.等腰三角形 C.等腰直角三角形 D.不确定 【分析】直接利用两角和与差的三角函数化简表达式,求解即可. 【解答】解:sinA=2cosBsinC, 可得:sin(B+C)=2cosBsinC, 即:sinBcosC+cosBsinC=2cosBsinC, sin(B﹣C)=0, 可得:B=C. 故选:B. 【点评】本题考查三角形的判断与应用,两角和与差的三角函数的三角函数,考查计算能力. 7.设Sn是等差数列{an}的前n项和,若=,则=() A. B. C. D.【分析】由已知和等差数列的求和公式可得a1=2d,进而可得S6=27d,S12=90d,代入化简可得. 【解答】解:∵Sn是等差数列{an}的前n项和,且=, ∴S6=3S3,即6a1+d=3(3a1+d), 整理可得a1=2d,∴S6=6a1+d=27d, S12=12a1+d=90d, ∴== 故选:D 【点评】本题考查等差数列的求和公式,属基础题. 8.已知数列{an}的前n项和Sn=2n﹣1,则此数列的奇数项的前n项和是() A. B.) C. D.【分析】由数列的前n项和Sn=2n﹣1求出数列{an}的通项公式,进一步求出奇数项的通项公式,从而求的此数列的奇数项的前n项和. 【解答】解:∵Sn=2n﹣1 ∴S(n﹣1)=2(n﹣1)﹣1 ∴an=Sn﹣S(n﹣1)=2(n﹣1)而a1=1 ∴an=2(n﹣1) 设奇数项组成数列{bn} ∴bn=22n﹣2∴{bn}是以1为首项,4为公比的等比数列. ∴= 故选C. 【点评】由数列的前n项和sn,求出数列的通项公式,注意n=1的情况易忽视,属中档题. 二、填空题:本大题共6小题,每小题4分,共24分,请将答案直接写在题中的横线上 9.在数列{an}中,an=2n2﹣3,则125是这个数列的第8项. 【分析】直接解二次方程2n2﹣3=125,n只能取正整数. 【解答】解:数列{an}中,an=2n2﹣3, ∴2n2﹣3=125, ∴n2=64 解得n=8或n=﹣8(舍去), 故答案为:8. 【点评】本题主要考查数列的概念及其应用,是一道基础题. 10.在△ABC中,三边a,b,c成等比数列,a2,b2,c2成等差数列,则三边a,b,c的关系为a=b=c. 【分析】由题意可得b2=ac且2b2=a2+c2,由多项式的运算可得. 【解答】解:∵在△ABC中,三边a,b,c成等比数列,a2,b2,c2成等差数列, ∴b2=ac且2b2=a2+c2,∴2ac=a2+c2,∴(a﹣c)2=0, ∴a=c,再代入b2=ac可得b=a, 综合可得a=b=c, 故答案为:a=b=c. 【点评】本题考查等差数列和等比数列的通项公式,属基础题. 11.对于任意实数x,不等式2mx2+mx﹣<0恒成立,则实数m的取值范围是﹣6<m≤0. 【分析】讨论m=0和m≠0时,不等式恒成立应满足的条件,从而求出m的取值范围. 【解答】解:对于任意实数x,不等式2mx2+mx﹣<0恒成立, 则m=0时,﹣<0恒成立; m≠0时,应满足, 即, 解得﹣6<m<0; 综上,实数m的取值范围是﹣6<m≤0. 故答案为:﹣6<m≤0. 【点评】本题考查了含有字母系数的不等式恒成立的应用问题,是基础题目. 12.在等差数列{an}中,已知a1=1,前5项和S5=35,则a8的值是
22. 【分析】先根据前5项和利用等差中项的性质求得a3,则等差数列的公差可求,最后利用等差数列的通项公式求得a8. 【解答】解:a1+a2+a3+a4+a5=5a3=35 ∴a3=7 ∴d==3 a8=a1+7d=22 故答案为:22 【点评】本题主要考查等差数列的性质.解题的关键是利用了等差中项的性质. 13.在△ABC中,若∠A=120°,AB=5,BC=7,则△ABC的面积S=. 【分析】用余弦定理求出边AC的值,再用面积公式求面积即可. 【解答】解:据题设条件由余弦定理得|BC|2=|AB|2+|AC|2﹣2|AB||AC|cosA 即49=25+|AC|2﹣2×5×|AC|×(﹣), 即AC|2+5×|AC|﹣24=0解得|AC|=3 故△ABC的面积S=×5×3×sin120°= 故应填 【点评】考查用余弦定理建立方程求值及用三角形的面积公式求三角形的面积,训练公式的熟练使用. 14.已知数列{an}满足an+1=2an+32n,a1=2,则数列{an}的通项公式是(3n﹣1)2n﹣1. 【分析】通过对an+1=2an+32n两边同时除以2n,从而构造出首项为2、公差为3的等差数列{},进而计算可得结论. 【解答】解:∵an+1=2an+32n, ∴=+3, 又∵=2, ∴数列{}是首项为2、公差为3的等差数列, ∴=2+3(n﹣1)=3n﹣1,an=(3n﹣1)2n﹣1, 故答案为:(3n﹣1)2n﹣1. 【点评】本题考查数列的递推式,构造等差数列是解决本题的关键,注意解题方法的积累,属于中档题. 三、解答题:本大题共6小题,共52分,解答应写出解题过程或证明过程. 15.已知不等式ax2﹣3x+2>0的解集为{x|x<1或x>b}. (1)求a,b的值; (2)解关于x的不等式ax2﹣(2b﹣a)x﹣2b<0. 【分析】(1)根据不等式ax2﹣3x+2>0的解集得出对应方程的实数根,再由根与系数的关系求出a、b的值; (2)把不等式ax2﹣(2b﹣a)x﹣2b<0化为x2﹣3x﹣4<0,结合对应方程与函数的图象和性质,求出不等式的解集. 【解答】解:(1)∵不等式ax2﹣3x+2>0的解集为{x|x<1或x>b}, ∴x1=1、x2=b是方程ax2﹣3x+2=0的两个实数根,且a>0,b>1; 由根与系数的关系,得, 解得a=1,b=2; (2)由(1)得,不等式ax2﹣(2b﹣a)x﹣2b<0可化为x2﹣3x﹣4<0, ∵△=(﹣3)2﹣4×1×(﹣4)=25>0, ∴方程x2﹣3x﹣4=0有两个不相等的实数根x1=﹣1、x2=4; 根据函数y=x2﹣3x﹣4的图象开口向上, 可得不等式x2﹣3x﹣4<0的解集为{x|﹣1<x<4}. 【点评】本题考查了不等式的解法与应用问题,也考查了方程与函数的应用问题,是基础题目. 16.已知等比数列{an}中,a1=1,公比为q(q≠1且q≠0),且bn=an+1﹣an. (1)判断数列{bn}是否为等比数列,并说明理由; (2)求数列{bn}的通项公式. 【分析】(1)根据等比数列的通项公式求出an,再由题意化简为常数,并且求出b1,再由等比数列的定义下结论; (2)由(1)和等比数列的通项公式求出bn. 【解答】解:(1)数列{bn}是等比数列, 由题意得,an=a1qn﹣1=qn﹣1, 所以bn=an+1﹣an=qn﹣qn﹣1=qn﹣1(q﹣1), 又q≠1且q≠0,则==q, 且b1=a2﹣a1=q﹣1, 所以数列{bn}是以q为公比、以q﹣1为首项的等比数列, (2)由(1)得,bn=b1qn﹣1=(q﹣1)qn﹣1. 【点评】本题考查了等比数列的通项公式,以及等比数列的判断方法:定义法. 17.已知数列{an}的前n项和Sn=2n+2﹣4. (1)求数列{an}的通项公式; (2)设等差数列{bn}满足b7=a3,b15=a4,求数列{bn}的前n项和Tn. 【分析】(1)求解n=1时,得出a1,n≥2时,运用an=Sn﹣Sn﹣1,合并通项公式即可. (2)所以根据条件得出方程组,运用求和公式求解即可. 【解答】(1)因为数列{an}的前N项和Sn=2n+2﹣4. 所以a1=S1=23﹣4=4 当n>1时,an=Sn﹣Sn﹣1=(2n+2﹣4)﹣(2n+1﹣4)=2n+1, 因为n=1时也适合,所以an=2n+1(n∈N*); (2)设等差数列{bn}的首项为b1,公差为d,因为b7=a3,b15=a4,an=2n+1 所以, 解得, 所以数列{bn}前n项和Tn=nb1d=n2+3n. 【点评】本题考察了数列的递推关系式的运用求解通项公式,关键是n=1别忘了,运用条件的方程组,计算能力. 18.若等比数列{an}的前n项和Sn=a﹣. (1)求实数a的值; (2)求数列{nan}的前n项和Rn. 【分析】(1)当n=1时,a1=S1=a﹣.当n≥2时,an=Sn﹣Sn﹣1=,再由a1==a﹣,解得a的值. (2)nan=,则Rn=+++…+,可得2Rn=1+++…+,②﹣①求得:Rn的解析式. 【解答】解:(1)当n=1时,a1=S1=a﹣.…(2分) 当n≥2时,an=Sn﹣Sn﹣1=(a﹣)﹣(a﹣)=,…(5分) 则a1==a﹣,解得a=1.…(7分) (2)nan=,则Rn=+++…+,①…(10分) ∴2Rn=1+++…+,②…(11分) ②﹣①求得:Rn=2﹣.…(15分) 【点评】本题主要考查数列的前n项和与第n项的关系,用错位相减法进行数列求和,属于中档题. 19.在△ABC中,角A,B,C的对边分别为a,b,c,已知cosA=,b=5c. (1)求sinC; (2)若△ABC的面积S=sinBsinC,求a的值. 【分析】(1)利用余弦定理可求的a=3,进而根据cosA求得sinA,利用正弦定理即可求得sinC. (2)根据b和c的关系,进而求得sinB和sinC的关系,把sinC代入面积公式求得三角形的面积,进而利用三角形面积公式求得bcsinA=S,求得a 【解答】解:(1)在△ABC中,∵a2=b2+c2﹣2bccosA=26c2﹣10c2×=18c2, ∴a=3c, ∵cosA=, ∵,0<A<π, ∴sinA=, ∵=, ∴sinC===, (2)∵b=5c, ∴==5, ∴sinB=5sinC, ∴S=sinBsiS=nC=sin2C=, ∵S=bcsinA=c2=, ∴=, ∴a=. 【点评】本题主要考查了正弦定理和余弦定理的应用.涉及了三角形面积公式,三角函数中基本公式,考查了学生对知识的综合把握. 20.已知数列{an}的前n项和为Sn,满足an≠0, (1)求证 (2)设求数列{bn}的前n项和Tn. 【分析】(1)利用数列递推式,可得﹣=2n﹣1,构建新数列,利用叠加法,即可证得结论; (2)再写一式,两式相减,可得数列的通项,分组求和,即可得到结论. 【解答】(1)证明:∵an≠0, ∴﹣=2n﹣1 令,则 利用叠加法可得:==2n﹣1﹣1 ∵=1,∴ ∴; (2)解:由(1)知, 两式相减可得 ∴ ∴Tn=2n﹣2+. 【点评】本题考查数列递推式,考查叠加法的运用,考查数列的求和,确定数列的通项是关键. 天津市红桥区2021届九年级数学上学期期中试题杨柳青一中2021—2021学年度第一学期高一英语 期中考试试卷(2021.11) 第一卷第一部分听力(共两节,满分20分)第一节(共5小题;每小题1分,满分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.WhatmayRobertdonextFriday? A.Hemayprobablygotothewoman’spartywithhiswife, B.Hemaystayathome. C.Hemayholdalittleparty.2.Whatcanwelearnfromthedialogue? A.Thewomandialedthewrongnumber. B.Thewomandialedthenumbercorrectly. C.Themanwaswantedonthephone.3.Whatdoesthewomanmean? A.Shewillnotstayathome. B.Itistoolate. C.Itlookslikerainandshewillnothaveaswim.4.WheredidSamworkbeforehegotthenewjob? A.Inanadvertisingfirm. B.Inaschool. C.Inalibrary.5.Whattimedoesthetrainarrive? A.At10:15. B.At10:00. C.At8:45.第二节(共15小题;每小题1分,满分15分)听下面5段对话或独白每段对话或独白后有几个小题,从每题所给的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6~8题。6.Whatarethetwospeakerstalkingabout? A.Abook. B.Astory. C.Acharacter.7.Whatdoesthewomanthinkaboutthepersonsinthestory? A.Theyarepoor. B.Theyareactive. C.Theyhavenolife.8.Whatdoesthemanthinkaboutthebookshereadwrittenbythatwriter? A.Good. B.Bad. C.Somegood,somebad. 听第7段材料,回答第9~10题。9.Whatshouldthestudentsdobeforemorningreading? A.Domorningexercise. B.Handinhomework. C.Dotheirhomework.10.Whencantheybuysomethingtoeatbeforelunchtime? A.Atabout9:00. B.Atabout9:40. C.Atabout10:30.听第8段材料,回答第11~13题。11.WhatisthemangoingtodothisFridaynight? A.Togoonajourney. B.Togototheconcert. C.Toworkasawriter.12.Whyisthewomanbuyingthetickets? A.Becausethemandoesn’thavemuchmoney. B.Becausethemanlefthismoneyathome. C.Becausesheistheman’sboss.13.Whatcanweknowfromtheconversation? A.Theconversationhappensattheendoftheterm. B.Themangetsapart-timejobwhilestudying. C.Thetwospeakersthinktheconcertisfun.听第9段材料,回答第14~16题。14.Whatisthedialoguemainlyabout? A.AmericanTVisnotinteresting. B.Someoftheshowsareprettyviolent. C.Peoplelikenewspapersbecausetheyareinteresting.15.Whatdoesthewomanthinkofthepeopleshemet? A.Theyarelikethepeopleintheshows. B.TheyaredifferentfromthepeopleonTV. C.TheyarenotaskindasthoseonTV.16.Whatkindofnewspaperattractspeople? A.Newspaperswithmuchviolence. B.Newspaperswithmuchexcitingnews. C.Newspaperswithtraditional(传统的)culture(文化)abouttheOldWest.听第10段材料,回答第17~20题。17.TheBermudaTrianglelies_________. A.intheAtlanticOcean B.inAfrica C.intheocean18.Whereisitsfurthestwesternpointupto?A.Bermuda. B.Florida. C.AsfastasthecoastofAfrica.19.Thereare__________aboutthecauseofthesedisappearances. A.variousopinions B.notanyopinion C.agreements20.Whathavedisappearedinthisarea? A.Boatsandplanes. B.Planesandships.C.Onlyships.第二部分:英语知识运用(共两节,满分45分)第一节单项填空(共25小题;每小题1分,满分25分)从A、B、C、D四个选项中,选出可以填入空白处的最佳选项。21.Johnisa(n)______boy.WheneverIseehim,heisworking. A.boring B.energetic C.familiar D.curious22.The______onhisfacetoldmethathewasangry.A.impression B.sight C.appearance D.expression23.Alwaysreadthe_______onthebottlecarefullyandtaketherightamountofmedicine.A.explanations B.instructions C.descriptions D.introductions24.Despitesuchabigdifferenceintowardswhatoneeats,thereisnodoubtthatpeopleinthewestregardtheChinesefoodassomethingspecial.A.point B.idea C.attitude D.sight25.Encourageyourchildrentotrynewthings,buttrynotto_______themtoohard.A.draw B.strike C.rush D.push26.Sheisalwaysreadytohelppeopleintroublebecauseshethinksit’sa________.A.decision B.chance C.pride D.pleasure27.-Haveyougotaticketforthefootballmatch?-No.Thepricewastoo________.A.high B.expensive C.great D.dear28.Theoldmanisvery______abouttheneighbourhoodaffairsforheisalwayswillingtohelpothers.A.amazed B.enthusiastic C.disappointed D.brilliant29.Itisnormalforyoungstudentstofeel______beforeimportantexams.A.academic B.previous C.nervous D.curious30.Iwould______itifyoucouldcallbackintheafternoonwhenIamfreeathome.A.appreciate B.admire C.enjoy D.admit31.Fromtheirpositiononthetower,theycangetabetter______ofthecity.A.scenery B.sight C.balance D.view32.Inthelastfewyearsthousandsoffilmsallovertheworld.A.haveproduced B.havebeenproducedC.areproducing D.arebeingproduced33.—BobhasgonetoCalifornia.—Oh,canyoutellmewhenhe?A.hasleft B.left C.isleaving D.wouldleave34.Ifyoudon'tlikethedrinkyou_______,justleaveitandtryadifferentone.A.ordered B.areordering C.willorder D.hadordered35.In1942Columbus________ontheBahamasIslands,buthemistookitforanislandoffIndia.A.lands B.landed C.haslanded D.hadlanded36.ItisthemostinstructivelecturethatI_______sinceIcarnetothisschool.A.attended B.hadattended C.amattending D.haveattended37.TheTownHall______inthe1800’swasthemostdistinguishedbuildingatthattime.A.tobecompleted B.havingbeencompletedC.completed D.beingcompleted38.Johnreceivedaninvitationtodinner,andwithhiswork________,hegladlyacceptedit.A.finished B.finishing C.havingfinished D.wasfinished39.—Robertisindeedawiseman.—Oh,yes.HowoftenIhaveregretted______hisadvice!A.totake B.taking C.nottotake D.nottaking40.HeisastudentatOxfordA.studied B.studying C.tohavestudied D.tobestudying41.Groupworkactivitieswon’tmakeyou______becauseyoucankeepquietifyouwantto.A.toembarrass B.embarrassed C.embarrassing D.beingembarrassed42.Thestorysounds______.A.tobetrue B.astrue C.beingtrue D.true43.Afterthenewtechniquewasintroduced,thefactoryproduced____tractorsin1998astheyearbefore.A.astwicemanyB.asmanytwice C.twiceasmany D.twicemanyas44.Ican’t______leavingschoolandfindingajob.Itistooearlyforme.A.imagine B.avoid C.mind D.finish45.–Didyoutravelbyplane?--Byplane?______Wetravelledbyship.A.Yes,ofcourse! B.Yes,goahead! C.No,ofcoursenot! D.No,pleasedon’t.第二节完形填空(共20小题;每小题1分,满分20分)阅读下面短文,从短文后所给的各题的四个选项(A、B、C和D)中,选出能填入相应空白处的最佳选项。Abadfallinmychildhoodblindedmyeye,which,asIgrew,insomanywayscontrolledme.Iwalkedwithmyfacelookingatthe46sopeoplewouldnotseetheuglyme.Sometimespeopleaskedme47questionsorsaidhurtful48.Igrewupimaginingthateveryone49me,asifmyappearanceweremy50.YetMamawouldsaytome,very51,“Holdyourheaduphighandfacetheworld."Thosewordshavemeant52thingstomeovertheyears.Asalittlechild,IthoughtMamameant,“Be53oryouwillfalldownbecauseyouarenotlooking."Asateenager,eventhoughItendedtolookdowntohidemy54,Ifoundthatmymama'swordshelpedmeto55thatbylettingpeoplelookatmyface,Iletthemrecognizetheintelligenceand56behindbotheyeseveniftheycouldn'tseeitonthesurface.InhighschoolIwassuccessfulboth57andsocially.Iwaseven58classpresident,butonthe59Istillfeltlikeafreak(怪人).Whenthingsgotreallybad,Iwouldcrytomymamaandshewouldholdmeinher60andlookatmewith61eyesandencouragemewiththose62words.WhenImetthemanwhobecamemypartnerforlife,welookedeachother63intheeye,andhetoldmeIwasbeautifulinsideandout.Hemeantit.Mymama'sloveand64gavemetheconfidencetoovercomemyowndoubt.Ihadlearnednotonlyto65myselfbuttohavedeeplove46.A.floor B.sky C.distance D.myself47.A.interesting B.embarrassing C.funny D.difficult48.A.words B.sentences C.judgment D.phrases49.A.lookedforwardto B.lookeduptoC.lookeddownupon D.lookedinon50.A.mistake B.fault C.cause D.reason51.A.frequently B.hardly C.seldom D.occasionally52.A.thesame B.special C.different D.various53.A.kind B.gentle C.slow D.careful54.A.sorrow B.shame C.pity D.regret55.A.admit B.imagine C.realize D.feel56.A.responsibility B.beauty C.ability D.wisdom57.A.academically B.physically C.mentally D.personally58.A.selected B.elected C.changed D.turned59.A.mind B.feeling C.inside D.appearance60.A.hands B.eyes C.legs D.arms61.A.loving B.lovely C.lively D.live62.A.old B.ancient C.classical D.kind63.A.straight B.carefully C.exactly D.direct64.A.achievement B.engagement C.encouragement D.disappointment65.A.help B.make C.enjoy D.appreciate第三部分:阅读理解(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。AItiswinterinmanypartsoftheworld.Forsomeareas,thatmeanssnow.Maybeevenlotsofsnow.Ifyoudon’thavetodriveinitorremoveit,snowcanbeverybeautiful.Whensnowcoverseverythingaroundyou,theworldlookslikea“winterwonderland”.Thatisthenameofaverypopularsongaboutwinter.RichardSmithandFelixBernardwrotethesongbackin1934.Therearehundredsofrecordingsofthishappysong.Butwinterisnotalwayssuchabeautifulandhappytime.It’scoldoutside.Youtryhardtokeepwarm.Thedaysaredarkerandshorter.Thesunrarelyshines.Theleavesonthetreesarebrown.Itisn’tsurprisingthatsomepeoplearesadinwinter.Andsomepeopledreamaboutbeingsomewhereelsewhereit’swarmandpretty—likethestateofCalifornia.TheMamasandthePapasrecordedthisfamoussong“CaliforniaDreaming”.Duringthe1960s,manyotherfamousrockgroupsreleasedsongsaboutwinter.HereisapoeticsongbySimonandGarfunkelcalled“AHazyShadeofWinter”.Theysingaboutlifeandhopeandpossibilities.In1968,thegroupBlood,SweatandTearsrecordedthisgentle,sadsongaboutwinter.Theysingaboutalostloveandforgottenmemoriesin“SometimesinWinter”.Intheearly1990s,ToriAmoswroteandrecordedthebeautifulsongcalled“Winter”.Sheenjoyedsingingaboutwinterwhenshewasachild.Finally,onahappiernotecomesthissongwrittenandrecordedbyFountainsofWaynein2003.TheysingaboutasnowstorminaNewEnglandtown.Nothingunusualthere.Butinsteadofbeingsadortenseaboutthesnow,theywriteasongaboutit.66.Whenissnowbeautiful?A.Whenpeopledriveinit.B.Whenpeopledon’thavetotakeitaway.C.Whenithassnowedheavily.D.Whenpeoplesinginthesnow.67.Accordingtothesecondparagraph,winteris_____.A.beautifulandhappy B.happyandwarmC.lovelyandhopeful D.coldandsad68.Whichofthesongscanbringushopeoflife?A.WinterWonderland. B.CaliforniaDreaming.C.AHazyShadeofWinter. D.SometimesinWinter.69.Whatdoesthepassagemainlytalkabout?A.Songsaboutwinter.B.C.Winterindifferentareas.D.Winteriscoldbuthappy.70.ItcanbeinferredfromParagraph2thatthestateofCaliforniais______.A.coolinsummer B.coldinwinter C.warminwinter D.warminspringBAskabachelor(单身汉)whyhedoesnotwanttogetmarriedeventhoughhefindsdatingtobelessandlesssatisfying.Ifheishonesthewilltellyouthatheisafraidoftakinguptheduty.Theythinkmarriageisinfactquitepainful.Thesinglelifeisfilledwithfun,adventureandexcitement.Marriagehassuchmoments,buttheyarenotitsimportantbenefits.Coupleswithyoungchildrenareluckytogetawholenight’ssleeporathree-dayvacation.Idon’tknowanyparentwhowouldchoosethewordfuntodescriberaisingchildren.Butcoupleswhodecidenottohavechildrenneverknowthejoysofwatchingachildgrowuporofplayingwithagrandchild.Understandingandacceptingthattruehappinesshasnothingtodowithfunisoneofthemostliberatingrealizations.Itliberatestime:nowwecandevotemorehourstoactivitiesthatcanreallyincreaseourhappiness.Itliberatesmoney:buyingthatnewcarorthosefancyclothesthatwilldonothingtoincreaseourhappinessnowseemspointless.Anditliberatesusfromenvy(嫉妒):wenowunderstandthatallthosewhoarealwayshavingsomuchfunactuallymaynotbehappyatall.71.Accordingtotheauthor,abachelordoesnotwanttogetmarriedchieflybecause________.A.heisnotreadytotakeonfamilyresponsibilitiesB.hebelievesthatmarriageistheendofhappinessC.hefindsmorefunindatingthaninmarriageD.hefearsitwillputanendtoallhisfun,adventureandexcitement72.Fromthesecondparagraph,wecanseethatcoupleswithchildren______.A.areverylucky B.cansleepverywellduringthenightC.oftengoonholidays D.canhardlygetenoughsleep73.Raisingchildren,intheauthor’sopinion,is________.A.apainfulduty B.athanklessjobC.arewardingtask D.asourceofcontinuingpain74.Intheauthor’sopinion,happinessandfunare______.A.thesame B.different C.connected D.useless75.Whatistheauthortryingtotellus?A.Happinessoftengoeshandinhandwithpain.B.Onemustknowhowtogethappiness.C.Itisimportanttotakeupduty.D.Itispainthatleadstohappiness.CWhilestudentsinHainanarequiteusedtoclearskies,Beijingteenagersarenotsolucky.Asanotherwarmwinterapproaches,thecitycanexpectthenormalcloudsofsmokecausedbyairpollution.Butthingscouldstarttogetbettersoon.Thegovernmentisco-operatingwithaUS-basedenvironmentalprotectionagencytoupdateexistingbusesandtruckswithcleanfueltechnology.Thenewtechnologycouldreduceairpollutantsinexistingdieselvehicles(柴油机汽车)by40percent.TheprogramwillbeginbytestingbusesinBeijingtoseeifthetechnologycanbeappliedtothem.“Weencouragethedevelopmentofpublictransportation.Butatthesametimeweneedtoreducepollutionfromthem,”saidanofficial.Effortsarebeingmadetoimprovethecapital’senvironmentwithtightercontrolsonemissions(排放).Someheavilypollutingfactoriesandconstructionsites,suchasthoseownedbythesteelgiantShougangGroup,havebeenaskedtocutproductioninNovemberandDecemberorbeclosed.Beijingwasthethirdpollutedcityintheworldattheendoflastcentury,accordingtotheUN.Butthankstorecentmeasures,thecapitalhasmadesomeprogress.Lastyear224cleardayswereratedashavinggoodairquality.In1998theairqualityindex(指数)gavejust100daysasgood.“Iamgladtoseeanimprovement,”saidaSenior1boylivinginthenorthwestofBeijing.“Comparedtootherplaces,theairqualityofBeijingisstillworryingthough.Ihatethepollution.OnceIwasridingmybikeinthemorningwhenIalmosthadatrafficaccidentbecauseIcouldn’tseeacaronlymetresawayfrommeinfog.”InearlyOctober,theskieswerecoveredbysuchathickfogthatadisplayshowbythevisitingFrenchairforcewascalledoff.Rapiddevelopment,industry,trafficfumes(烟)andsandstormsfromthedesertallcontributetothecity’sbadair.76.Thepassageismainlyabout________. A.aprogramtoimproveBeijing’sairquality B.progressmadeinBeijing’sairquality C.theproblemofBeijing’sairpollution D.thedifferencebetweenHainanandBeijing77.WhichofthefollowingisnotthemeasuretakenortobetakentoimproveBeijing’sair? A.Cleanfueltechnologywillbeusedinpublictransportation. B.Somefactorieshavebeenaskedtocutproduction. C.Someconstructionsiteshavebeentoldtobeclosed. D.Adisplayshowofairplaneshasbeencalledoff.78.WecaninferfromthepassagethatShougangGroup________. A.usedtosendoutalotofpollution B.usedtobeheavilypolluted C.hasalreadybeenclosed D.hasalotofdieselvehicles79.Whichisnotcorrectaccordingtothepassage? A.Beijing’sairqualityisgettingworseandworse. B.Development,industry,trafficfumesandsandstormsareallthecausesofbadairquality. C.CloudsofsmokeintheskyisthecommonfeatureinthewinterofBeijing. D.Thegovernmentismakingeveryefforttostopairpollution.80.Theunderlinedwordinthelastparagraphmaybereplacedby______.A.resultin B.comefrom C.sufferfrom D.givein杨柳青一中2021—2021学年度第一学期高一英语期中考试试卷答题纸(2021.11)第二卷第四部分:基础词汇与书面表达(共两节,满分25分)第一节:基础词汇(每空一词,每小题1分,共1
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