呼和浩特市中考卷数学(5篇)

无论是身处学校还是步入社会，大家都尝试过写作吧，借助写作也可以提高我们的语言组织能力。范文书写有哪些要求呢？我们怎样才能写好一篇范文呢？下面是小编帮大家整理的优质范文，仅供参考，大家一起来看看吧。

呼和浩特市中考卷数学篇一

 o 1.在合同的履行权方面，下列说法中错误的是（）。（单选题3分）得分：3分

a.用人单位发生合并或者分立等情况，原劳动合同继续有效，劳动合同由承继其权利和义务的用人单位继续履行

o b.用人单位变更名称、法定代表人、主要负责人或者投资人等事项，不影响劳动合同的履行

o c.劳动者经审查后被依法追究刑事责任的，用人单位可以依法解除劳动合同，终止劳动关系

o d.劳动者在劳动合同履行期限内应征入伍或离职履行国家规定的其他义务的，用人单位应当与其立即终止劳动关系

 o o o o  o o o o  2.著作权人的下列权利中，不受法律永久保护的是（）。（单选题3分）a.署名权 b.财产权

c.保护作品完整权 d.修改权

3.下列人员中，具有工资集体协商权的是（）。（单选题3分）a.事业单位主要领导 b.政府官员 c.民营企业高管

d.事业单位一般工作人员

4.下列条款中，不属于劳动合同的必备条款的是（）。（单选题3分）

得分：3分

得分：3分

得分：3分 o o o o  o o o o  a.用人单位的名称、住所和法定代表人或者主要负责人 b.劳动者的姓名、住址和居民身份证或者其他有效身份证件号码 c.工作内容、工作地点、工作时间和休息休假 d.培训、保守秘密、补充保险

5.职务发明创造申请专利的权利属于（）。（单选题3分）a.工会 b.该单位 c.国家 d.成果完成人

6.公务员和参照公务员法管理的事业单位、社会团体的工作人员因工作遭受事故伤害或者患职业病的，由支付费用由（）支付。（单选题3分）

得分：3分

得分：3分

o o o o  o o o o  a.个人 b.上级财政部门 c.社保统筹账户 d.所在单位

7.在基本社会保险中，不需要职工缴费的是（）。（单选题3分）a.失业保险 b.医疗保险 c.养老保险 d.工伤和生育保险

8.专业技术人员的职业权益是指从事专业技术工作所需要的（）权利，是公民基本权利在专业技术领域的集中体现。（单选题3分）

得分：3分

得分：3分 o o o o  o o o o  o o o o  o o o o  o o a.个体性、特殊性的 b.经常性、共同性的 c.特殊性、暂时性的 d.经常性、长期性的

9.关于复核，下列说法错误的是（）。（单选题3分）a.复核不适用于扣减福利待遇等违规行为 b.复核遵循“不告不理”的原则

c.因不可抗力等正当理由在规定期限内未能提出复核的，可以延长期限 d.复核申请应当以书面方式进行，在规定期限内提出 10.下列选项中，可以授予专利的是（）。（单选题3分）a.对产品的形状所做出的富有美感并适于工业应用的新设计 b.疾病的诊断和治疗方法 c.动物和植物品种 d.智力活动的规则和方法

11.我国的社会保障制度包括（）。（多选题4分）a.基本社会保险 b.商业保险 c.社会福利 d.社会救济

12.下列情形中，仲裁员应该申请回避的有（）。（多选题4分）a.仲裁员与案件当事人来自同一地区 b.仲裁员与案件有利害关系

得分：4分

得分：4分

得分：3分 得分：3分 o o  o o o o  o o o o  o o o o  o o o o c.仲裁员是案件的当事人或者当事人、代理人的近亲属 d.仲裁员与案件代理人存在可能影响公正仲裁的关系

13.非行政许可类职业资格的设置主体可以是（）。（多选题4分）a.政府 b.行业协会 c.社会团体 d.企业

14.聘用合同与劳动合同不同的地方有（）。（多选题4分）a.救济方式 b.道德风险 c.国家干预 d.公共利益

15.保护专业技术人员权益对国家的意义有（）。（多选题4分）a.保护专业技术人员权益是实施依法治国方略的需要 b.保护专业技术人员权益是实现从严治党的需要

c.保护专业技术人员权益是推进我国权益保护事业不断进步的需要 d.保护专业技术人员权益是实施人才强国战略的要求 16.劳动争议仲裁委员会由（）组成。（多选题4分）a.工会代表 b.企业方面代表 c.法院代表

d.劳动行政部门代表

得分：4分

得分：4分 得分：0分

得分：4分  o 17.当前的事业单位工资制度改革的原则有（）。（多选题4分）得分：4分

a.建立体现事业单位特点的工资正常调整机制，使事业单位工作人员收入与经济社会发展水平相适应

o o o  o o o o  o o o o  o b.以岗定薪，岗变薪变，加大优秀人才和关键岗位倾斜力度 c.搞活事业单位内部分配，增强事业单位活力 d.按劳分配与按生产要素分配相结合，鼓励创新创造 18.专业技术人员权益保护的国家责任有（）。（多选题4分）a.出资义务 b.保护义务 c.遵守义务 d.实现义务

19.专利权的特征有（）。（多选题4分）a.地域性 b.时间性 c.专有性 d.无形性

20.关于专业技术人员的权益，下列说法正确的有（）。（多选题4分）

得分：4分

得分：4分

得分：4分

a.作为特殊职业群体，专业技术人员与其他人员相比，通常还拥有着一定的与履行其职责密切相关的职业权利

o o o b.作为国家公民，享有宪法和法律规定的基本权利

c.作为社会人，专业技术人员享有作为生命个体所固有的人身和人格等基本人权 d.作为劳动者，享有自由、平等择业等劳动权利  21.两个以上的申请人分别就同样的发明创造申请专利的，专利权授予最先申请的人。（判断题3分）得分：3分

o o  正确 错误

22.无论企业职员还是机关工作人员，其职业年金的缴纳都是自愿行为。（判断题3分）得分：3分

o o  正确 错误

23.劳动者在试用期内提前三日通知用人单位，可以解除劳动合同。（判断题3分）得分：3分

o o  正确 错误

24.劳动者在被用人单位解除劳动合同或劳动合同正常终止用人单位不予续签时，有获得经济补偿的权利。（判断题3分）

得分：3分

o o  正确 错误

25.人民法院对事业单位人事争议案件的实体处理应当适用人事方面的法律规定。（判断题3分）得分：3分

o o  正确 错误

26.增强专业技术人员的自我权利意识是形成健全人格和现代公民素养的需要。（判断题3分）得分：3分 o o  正确 错误

27.事业单位工资实行分级分类管理，并应加强宏观调控，规范分配秩序，理顺分配关系。（判断题3分）得分：3分

o o  o o  正确 错误

28.执业许可必须依照《行政许可法》进行必要性审查。（判断题3分）正确 错误

29.由用人单位与劳动者协商一致，并经用人单位与劳动者在劳动合同文本上签字或盖章生效。（判断题3分）得分：3分

得分：3分

o o  正确 错误

30.任何情形下，用人单位不得与劳动者约定由劳动者承担违约金。（判断题3分）得分：3分

o o 正确 错误

呼和浩特市中考卷数学篇二

2014年 呼 和 浩 特 市 中 考 试 卷

英语

注意事项：

1．考生务必将自己的姓名、准考证号填涂在试卷和答题纸的规定位置。

2．考生要将答案写在答题纸上，在试卷上答题一律无效。考试结束后，本试卷和答题纸一并交回。

3．本试卷满分120分。考试时间120分钟。

第一卷(选择题，共计85分)

i．单项选择：（共15小题,每小题1分,满分15分）1．— why did you laugh just now？

— ted wanted to tell us ______ very funny story, but he forgot ______ ending himself.a．a;anb．the;thec．the;a

d．a;the

2．— why don’t you watch tv at home？

— i’d love to, but my mother doesn’t allow me _______ that.a．dob．didc．to do

d．doing

3．— i’m sorry, sir．i’ve made a lot of mistakes in the exam.— never mind．_______, the exam is a little difficult.a．in allb．first of allc．after all

d．above all

4．she got a nice skirt as a present on her birthday．do you know _______ ？a．what was it made of b．how much did it costc．who buys it for her

d．where she bought it

5．— how far is it from tianjin to changsha？ — it is a _______ flight from tianjin to changsha.a．2-hour-longb．2-hours-longc．2 hours’ long

d．2 hour long

英语试卷第1页（共12页）6．if we ______ take environmental problems seriously, the earth _______ worse and worse.a．don’t;will beb．won’t;isn’tc．won’t;is

d．don’t;won’t be

7．my husband always ______ me flowers every week before we got married, but now he never ________.a．sends;does

b．sent;doesc．was going to send;do d．sent;do 8．i hear they are going to london, but i don’t know ________ they will stay there.a．how soonb．how oftenc．how longd．how fast 9．people ______ overweight need more water than thin people.a．who isb．which arec．that isd．who are 10．the box was _____ than i had expected．i was out of breath when i got home.a．more heavierb．much heavierc．little heavier

d．very heavier

11．— the shoes are very nice．i’ll take them.— you’d better ______ first．i’m afraid the size is a bit small for you.a．pay for themb．take them offc．put them on

d．try them on

12．— where are you going to stay when you get to shanghai？— i may live _______ in a hotel _______ in a friend’s house.a．both;andb．either;orc．neither;nord．not only;but also 13．when peter comes, please ask him to leave a _______.a．noticeb．messagec．sentence

d．information

14．— the cars made in germany are more expensive than ______ made in japan.— yes, you are right．but they’re much better.a．thoseb．thatc．ones

d．it

15．— what would you like _______ your afternoon tea？— just a cup of coffee _______ some sugar and milk.a．of;withb．of;withoutc．for;with

d．for;without

英语试卷第2页（共12页）

ii．完型填空：（共20小题,每小题1分,满分20分）

a

early in the morning, at noon, or in the evening in big cities and in the countryside, all over the united states, you can see americans running — men and women, young and old．people run— along the beaches of california,central park in new york, b

a young man went to visit a wise man living deep in the mountain for the wisdom of life.“excuse me!could you please tell me what the most26day in our lives is？is it the day when we were born or the day we ？is it the day when we fall in love or the day we succeed？”the young man quiet streets in small towns or at the gym．some people even run in living g wasn’t so popular in the past．in the 1960s, runners were mostly athletes and healthy strong people．when people saw a runner, they used “hey, what’s the hurry for？”or they might say to “is he crazy？”at that time, women almost never ran．if they did, they might be laughed at．but today all these have of all enjoy s say many of the health problems in the united statesthese bad habits: eating too much, smoking cigarettes, and taking exercise．doctors tell us,“eat less, don’t smoke, and exercise more.”running is a good exerciseit helps build strong hearts and lungs．it also helps most people lose weight.16．a．anywhereb．somewherec．everywhered．nowhere 17．a．amongb．throughc．withd．on 18．a．our

b．your

c．his

d．their 19．a．to askingb．to speakc．to speakingd．to ask 20．a．them

b．themselvesc．theird．they 21．a．changedb．stoppedc．worked

d．done 22．a．people

b．cities

c．villagesd．ages 23．a．come from b．look forc．care ford．think of 24．a．fewb．manyc．much

d．little 25．a．how

b．where

c．because

d．until

英语试卷第3页（共12页）“28．the most important day in our lives is today.”the wise man replied calmly.“why？”the young man felt more than29．“is it because there is a moving event taking place today？”

“no．nothing has happened today．” “is it because of my visit？”

“even if nobody visited me today, today is30very important because today is the only wealth we have．no matter how memorable yesterday is, it has gone by like a ship going down into the sea;no matter how bright tomorrow may be, it is yet to come;but no matter how common today is, it isour control(控制).”

the young man still wanted to ask something, while the wise man him and said,“when we are talking about the meaning of today, we have33a lot of it．”

the young man nodded and then went down the ly, today is the onlywe , what we should do now is to yesterday and tomorrow and catch fast today!26．a．importantb．necessaryc．comfortabled．funny 27．a．miss

b．diec．growd．start 28．a．nothing

b．none

c．no one

d．neither 29．a．awfulb．pleasedc．surprisedd．excited 30．a．yetb．alreadyc．everd．still 31．a．for

b．underc．on

d．with 32．a．stopped

b．refusedc．encouragedd．ordered 33．a．treasuredb．handedc．wastedd．avoided 34．a．excuseb．way

c．chanced．plan 35．a．forget

b．remember

c．call

d．treat

英语试卷第4页（共12页）

iii．阅读理解:（共25小题,每小题2分,满分50分）

a

our village carpenter(木匠), john, came one day and made a dining table for my wife．he made it just the right size for the space between the two windows．when i got home that evening, john was drinking a cup of tea and writing out his bill for the wife said to me quietly,“that’s his ninth cup of tea today．”but she said, in a loud voice,“it’s a beautiful table, dear, isn’t it？”“i’ll decide about that when i see the bill.”i laughed and gave me his bill for the work．i read:one dining table10 november, 1998cost of wood$17.00paint

$1.50work, 8 hours($1 an hour)$8.00total

$36.50

when i was looking at the bill, john said, “it’s been a nice day, hasn’t it？quite sunny．”

“yes.”i said．“ i’m glad it’s only the tenth of november．”

“me, too.”said john．“you wait — it’ll be a lot colder by the end of the month．”“yes,colder — and more expensive!a dining table will be $20 more expensive on november 30, won’t it, john？”

john looked hard at me for half a minute．was there a little smile in his two blue eyes？i gave his bill back to him.“if there isn’t too much trouble, john,” i said,“please add it up again．you can forget the date…”

i paid him $26.50 and he was happy to get it.36．why did john talk about the weather when the writer was looking at the bill？a．because he didn’t want the writer to go through the bill carefully.b．because it was really a fine day.c．because he wanted the writer to check the bill carefully.d．because he wanted to tell the writer what the weather was like.英语试卷第5页（共12页）37．the writer thought john would ask for _______ if he made a dining table on the last day

of november.a．$20.00b．$46.50c．$56.50

d．$26.50

38．when the writer gave john the money, he was happy because _______.a．he got what he should get for his workb．he got much more money for his workc．he got the money easily

d．he didn’t have to add up the costs again 39．from the story we know that ______.a．john made a mistake in the bill

b．john tried to fool the writer in order to get more money for his workc．john had written out the bill before the writer got homed．john still wanted to get $36.50 for his work in the end 40．what do you think of the writer？ he is ______.a．honestb．cleverc．foolish

d．afraid

b

height is just one of the features your genes(基因)decide．in fact, because you have two parents, your genes provide you a height that usually lands somewhere between the height of each parent．if both your parents are tall, then most probably you will be tall, too．but if you have questions about how tall you’re going to be, ask your doctor if he or she can help you find them genes don’t decide everything．for example, eating an unhealthy diet can keep you from growing to your full potential(潜力)．getting plenty of sleep and enough exercise will help you grow to the expected ’s natural that you’re wondering how fast you should grow．there’s no perfect or right answer．generally speaking, kids grow about 6 cm a year between age 3 and the time when英语试卷第6页（共12页）

your doctor will know how your growth has been going over the years．2 cm here and 3 cm there make a little difference to the height you’re at now．how have you been growing up to this height？what other changes may your body be going through？

don’t be amazed if you seem to have grown a lot in a very short time．everyone has a growth spurt(高峰)during puberty．the age for starting puberty is about 10 for girls and about 11 for boys．but it can be earlier or later — between 7 and 13 for girls and 9 and 15 for ’ll usually begin to notice that you’re growing faster about a year after your body starts to show the first changes of puberty.41．if you want to know how tall you should grow, _______.a．you should have enough exerciseb．you can ask doctors for help

c．you should take some special medicined．you can record your growth during puberty 42．the chinese for the word “ puberty ” is _______.a．童年时期b．婴幼儿时期c．习惯养成期

d．生长发育期

43．this passage is mainly about ______.a．how the genes work in your bodyb．how your parents’ height influence youc．how you look like your parentsd．how you grow to a certain height

44．after reading this passage, we can explain ______.a．how good it is to be a doctorb．how much sleep time we needc．why genes can’t decide everythingd．what healthy diet is

45．which is not mentioned in the passage？

a．your height most probably depends on how tall your parents are.b．girls’ age for starting puberty is usually earlier than that for boys’.c．the features showing the first changes of puberty between boys and girls are different.d．you may be amazed sometimes when you grow too fast.英语试卷第7页（共12页）c

i loved my mother’s desk since i was just tall enough to see above the top of it when mother sat doing letters．looking at the ink bottle, pens and white paper, i decided that the act of writing must be the most wonderful thing in the later, during her final illness, mother kept different things for my sister and brother,“but the desk,”she said again,“is for elizabeth.”

i never saw her get angry, and never saw her cry．i knew she loved me, and she showed it in action．but as a young girl, i wanted heart-to-heart talks between mother and daughter.．i was“too emotional(易动感情的)”,but she lived“on the surface”.as years went by and i had my own family．i loved my mother and thanked her for our happy family．i wrote to her in careful words and asked her to let me know in any way that she did forgive(原谅)me.i posted the letter and waited for her answer．it didn’t seemed that nothing happened．i couldn’t be sure that the letter had even got to her.i only knew that i had written it, and i could stop trying to make her into someone she was the present of her desk told me that she was pleased that writing was my chosen work, though she had never been able to．i cleaned the desk carefully and found some papers inside… a photo of my father and a one-paper letter．folded(折叠)and refolded many me an answer, my letter asks, in any way you choose．mother, you always chose the act that speaks louder than words.46．the writer began to love her mother’s desk ______.a．after mother diedb．when she was a child

c．before she became a writer

d．when mother gave it to her

47．the passage shows that mother _______.a．was too serious about everything her daughter had doneb．was cold on the surface but kind in her heart to her daughterc．cared much about her daughter in wordsd．wrote to her daughter in careful words

英语试卷第8页（共12页）

48．the word“gulf”in the 4th paragraph means _______.a．deep understanding between the old and the youngb．part of the sea going far in landc．free talks between mother and daughterd．different ideas between mother and daughter

49．what did mother do with her daughter’s letter asking for forgiveness？a．she read the letter again and again till she died.b．for years, she often talked about the letter.c．she didn’t forgive her daughter at all in her life.d．she had never received the letter.50．what’s the best title of the passage？a．my letter to mother b．mother and children

c．my mother’s desk

d．talks between mother and me

d

the police find most criminals(罪犯)because somebody tells them who the criminals are．they find other criminals by using science and their computers．when there is a bank robbery(抢劫), the police first look through their computers for the names of the bank robbers that they know about．then they go and talk to any of these robbers who are not in prison(监狱)．they ask them where they were when the robbery happened．if any of these people cannot give a good answer, the police will often use science to find out if one of them is the criminals leave something of themselves at the places of the crimes like a fingerprint or a hair．or they take something away on their shoes or clothes, like dirt or animal hair．if they leave behind some of their blood or their hair or a piece of skin, it will have their dna inside ne’s dna is different and their fingerprints are also different．so, if a criminal cuts himself during a robbery or leaves his hair, or even a small piece of skin, scientists can find out what his dna is．the police can then ask the person they think is the robber to give them his hair or some blood and see if it has the same dna．many criminals are in prison today because of this kind of evidences.英语试卷第9页（共12页）根据上文内容判断正(t)误(f)

51．usually the police find criminals because they use their computer．

52．the police do not usually ask criminals who are in prison about a crime because these

criminals could not have done it．

53．the most useful evidences that criminals leave at the places of their crimes are things with

their dna in them．

54．many criminals usually take something away only on their shoes after the crimes． 55．the story is about a bank robbery．

e 日常对话

w: hello, han lin.h: hello, xiao hua.w:

h: i’m reading about today’s newspaper．it says every week students in primary schools have a day without homework．w: i think it’s great．

h: that’s impossible．but after the big exam, we’ll also have a long summervacation and needn’t do any homework.w: i’m looking forward to it．have you made any plans for it？ h: i’m going travelling．but i haven’t decided where to go.w:

h: good idea．i also hear taiwan is a nice place．i’ll think about it．thank you foryour advice.w: it’s a pleasure.英语试卷第10页（共12页）

第二卷(非选择题,共计35分)

iv．用所给词或短语的适当形式填空：(共10小题；每小题1分,满分10分)61—70小题

61．my uncle always _______________________ on us when he came to our city． 62．he didn’t want to go to school by pretending to be __________________ ill.63．the science museum is a good place for children __________________ their new ideas.64．children should __________________ how to respect others in their daily life.65．he went to france the year before last and i haven’t heard from him _______________then.66．he didn’t get any help and had to complete the work _________________.67．the naughty boy is always punished by his mother for his bad_____________.68．most of the teenagers like eating junk food __________________ healthy food.69．they found out the truth by doing a lot of__________________ experiments.70．this dvd is quite useful．it can help us learn english and enjoy the beautiful sights of

many places _______________________.v．阅读理解填词:(共10个空,每空1分,满分10分)71—80空

a traveller came to a village carrying nothing but an empty pot． , but nobody would offer their food to him． the pot with water, put a large stone into it, a fire in the village was doing．the traveller answered,“i’m making ‘ stone soup’.”.the traveller continued,“the soup tastes wonderful but i need some carrots to makemore tasty.”him some carrots and put them in the r villager walked by, asking about the pot,the traveller again told him about his stone soup．this time he really needed some meat．the villager brought him some meat to help him and more villagers walked by．things．finally, the traveller had a delicious pot of soup．of course, it with everyone.英语试卷第11页（共12页）71．h____________ 72．f____________ 73．o___________74．w___________

75．i____________ 76．i_____________ 77． b___________78． a_____________79．o___________

80．s____________

vi．初级写作：(满分15分)

良好的生活与学习习惯对我们的成长是非常重要的。请从以下的习惯中选择一个你以前做得不够好，但现在已具备的好习惯，谈一谈你养成这个习惯的过程及收益。要求：1）不使用真实的校名、人名等相关信息；2）内容完整，书写整齐；3）80词左右；

4）文章的开头已给出，但不计入总词数。

my good habit

____________________________________________ is my good habit.___________________________________________________________________

___________________________________________________________________

英语试卷第12页（共12页）

呼和浩特市中考卷数学篇三

2012重庆中考数学及答案

一、填空题（每小题3分，共36分）1．计算：–5＋6＝_________。2．9的算术平方根是_________。3．分解因式：x36＝_________。4．函数y221中，自变量x的取值范围是_________。x15．方程2xx10根的判别式的值是_________。6．如图，ab∥dc，ac交bd于点o．已知do=_________。

7．抛物线yx22x1的顶点坐标是_________。

8．1000件衬衫中有3件次品，从中任取1件是次品的概率为_________。9．在角的内部到角的两边距离相等的点的轨迹是这个角的_________。10．如图，从位于o处的某海防哨所发现在它的北偏东600的方向，相距600m的a处有一艘快艇正在向正南方向航行，经过若干时间快艇要到达哨所东南方向的b处，则a，b间的距离是_________m。

11．如图，点b，o，o/，c，d在一条直线上，bc是半圆o的直径，od是半圆o/的直径，两半圆相交于点a，连结ab，ao/，若∠bao/=67.2o，则∠ao/c＝____度。

12．如图，圆内接四边形abcd的两条对角线交于点p。已

知ab=bc，cd=

ao3，bo＝6，则co51bd＝1，2设ad=x，用关于x的代数式表示pa与pc的积：pa·pc＝_________。

二、选择题（每小题3分，共24分）

13．sin300的值是

（）（a）1233（b）（c）（d）222314．如图，在⊙o中，∠boc=1000，点a在⊙o上，则∠bac的度数是

（）

（a）1000（b）800（c）600（d）500 15．如图，直线ab，cd被直线l所截，若∠1＝∠3900，则（）（a）∠2＝∠3（b）∠2＝∠4（c）∠1＝∠4（d）∠3＝∠4 16．一次函数y2x1的图象过点

（）

（a）（2，–3）（b）（1，0）（c）（–2，3）（d）（0，–1）

17．已知⊙o1和⊙o2的半径分别是3cm和4cm，如果圆心距o1o2＝5cm，那么⊙o1与⊙o2的位置关系是（）

（a）外离（b）外切（c）相交（d）内切

18．甲圆柱的底面直径和高线的长分别是乙圆柱的高线的长和底面直径，其侧面积分别为s甲和s乙，则它们的大小关系是（）

（a）s甲＞s乙（b）s甲＜s乙

（c）s甲=s乙（d）不能确定

19．把菱形abcd沿着对角线ac的方向移动到菱形a/b/c/d/的位置，它们的重叠部分（图中阴影部分）的面积是菱形abcd的面积的1．若ac=2，2则菱形移动的距离aa/是

（）（a）12（b）（c）l（d）21 2220．二次函数yax2bxc的图象如图所示，则在下列各不等式中，成立的个数是

（）①abc0 ②abc0 ③acb④acb。2（a）1（b）2（c）3（d）4

三、解答题（本题有9小题，共60分）21．（本题4分）计算：2201

27222．（本题4分）化简：xyx1。1xyx23．（本题5分）如图，梯形abcd中，ad∥bc，ab=dc。求证：ac=db。

24．（本题5分）如图，已知△abc，用直尺和圆规作△abc的外接圆。（要求保留作图痕迹，不写作法）25．（本题6分）解方程组：2xy10xy1322。

26．（本题6分）已知方程x2x3k0的两个根分别是x1和x2，且满足x11x214,求k的值。

27．（本题7分）某商店为了促销g牌空调机，2000年元旦那天购买该机可分两期付款，在购买时先付一笔款，余下部分及它的利息（年利率为5.6％）在2001年元旦付清。该空调机售价每台8224元，若两次付款数相同，问每次应付款多少元？ 28．（本题11分）甲、乙、丙、丁四名打字员承担一项打字任务。若由这四人中的某一人单独完成全部打字任务，则甲需要24小时，乙需要20小时，丙需要16小时，丁需要12小时。（1）如果甲、乙、丙、丁四人同时打字，那么需要多少时间完成？

（2）如果按甲、乙、丙、丁，甲、乙、丙、丁，……的次序轮流打字，每一轮中每人各打1小时，那么需要多少时间完成？

（3）能否把（2）题所说的甲、乙、丙、丁的次序作适当调整，其余都不变，使完成这项打字任务的时间至少提前半小时？（答题要求：如认为不能，需说明理由；如认为能，需至少说出一种轮流的次序，并求出相应能提前多少时间完成打字任务）29．（本题12分）如图，过⊙o外一点a向⊙o引割线aeb，adc，df∥bc，交ab于f。若ce过圆心o，d是ac中点。（1）求证：df是⊙o的切线；

（2）若fe，fb的长是方程x2mxb20b0的两个根，且def与△cbe相似。

①试用m的代数式表示b；

②代数式3bm83b7的值达到最小时，求bc的长。

△

呼和浩特市中考卷数学篇四

注意事项：本卷共八大题，计23小题，满分150分，考试时间120分钟

一、选择题（本大题共10小题，每小题4分，满分40分）

1．的值是……………………………………………………………………………………………【 】

a．9

b.－9

c．6

d．－6 2．如图，直线l1∥l2，则α为…………………………………………【 】

a．150°

b．140°

c．130°

d．120°

3．下列运算正确的是……………………………………………………【 】

a．

b．

c．

d．

4．甲志愿者计划用若干个工作日完成社区的某项工作，从第三个工作日起，乙志愿者加盟此项工作，且甲、乙两人工效相同，结果提前3天完成任务，则甲志愿者计划完成此项工作的天数是……………【 】

a．8

b.7

c．6

d．5 5．一个长方体的三视图如图所示，若其俯视图为正方形，则这个长方体的高和底面边长分别为…………………………【 】

a．3，b．2，c．3，2

d．2，3 6．某校决定从三名男生和两名女生中选出两名同学担任校艺术节文艺演

出专场的主持人，则选出的恰为一男一女的概率是…………【 】

a．

b．

c．

d．

7．某市2008年国内生产总值（gdp）比2007年增长了12%，由于受到国际金融危机的影响，预计今年比2008年增长7%，若这两年gdp年平均增长率为x%，则x%满足的关系是…………………………【 】

a．

b．

c．

d．

8．已知函数的图象如图，则的图象可能是………………………………………【 】

http:///yazhoushipin/

9．如图，弦cd垂直于⊙o的直径ab，垂足为h，且cd＝，bd＝，则ab的长为…………【 】

a．2 b．3 c．4 d．5 10．△abc中，ab＝ac，∠a为锐角，cd为ab边上的高，i为△acd的内切

圆圆心，则∠aib的度数是……………………………………………【 】

a．120° b．125° c．135° d．150°

二、填空题（本大题共4小题，每小题5分，满分20分）

11．如图，将小王某月手机费中各项费用的情况制成扇形统计图，则表示短信费的扇形圆心角的度数为 ．

12．因式分解： ．

13．长为4m的梯子搭在墙上与地面成45°角，作业时调整为60°角（如图所示），则梯子的顶端沿墙面升高了 m． 14．已知二次函数的图象经过原点及点（，），且图象与x轴的另一交点到原

点的距离为1，则该二次函数的解析式为 ． 三．（本大题共2小题，每小题8分，满分16分）15．计算：|| 16．如图，mp切⊙o于点m，直线po交⊙o于点a、b，弦ac∥mp，求证：mo∥bc．

四、（本大题共2小题，每小题8分，满分16分）17．观察下列等式：，，……

（1）猜想并写出第n个等式；

（2）证明你写出的等式的正确性．

18．如图，在对rt△oab依次进行位似、轴对称和平移变换后得到△o′a′b′．

（1）在坐标纸上画出这几次变换相应的图形；

（2）设p（x，y）为△oab边上任一点，依次写出这几次变换后点p对应点的坐标．

五、（本大题共2小题，每小题10分，满分20分）

19．学校植物园沿路护栏纹饰部分设计成若干个全等菱形图案，每增加一个菱形图案，纹饰长度就增加dcm，如图所示．已知每个菱形图案的边长cm，其一个内角为60°．

（1）若d＝26，则该纹饰要231个菱形图案，求纹饰的长度l；

（2）当d＝20时，若保持（1）中纹饰长度不变，则需要多少个这样的菱形图案？

20．如图，将正方形沿图中虚线（其中x＜y）剪成①②③④四块图形，用这四块图形恰 能拼成一个矩形（非正方形）．（1）画出拼成的矩形的简图；（2）求的值．

六、（本题满分12分）

21．某校九年级学生共900人，为了解这个年级学生的体能，从中随机抽取

部分学生进行1min的跳绳测试，并指定甲、乙、丙、丁四名同学对这次

测试结果的数据作出整理，下图是这四名同学提供的部分信息：

甲：将全体测试数据分成6组绘成直方图（如图）；

乙：跳绳次数不少于106次的同学占96%；

丙：第①、②两组频率之和为0.12，且第②组与第⑥组频数都是12；

丁：第②、③、④组的频数之比为4:17:15．

根据这四名同学提供的材料，请解答如下问题：（1）这次跳绳测试共抽取多少名学生？各组有多少人？

（2）如果跳绳次数不少于135次为优秀，根据这次抽查的结果，估计全年级达到跳绳优秀的人数为多少？

（3）以每组的组中值（每组的中点对应的数据）作为这组跳绳次数的代表，估计这批学生1min跳绳次数的平均值．

七、（本题满分12分）

22．如图，m为线段ab的中点，ae与bd交于点c，∠dme＝∠a＝∠b＝α，且dm交ac于f，me交bc于g．

（1）写出图中三对相似三角形，并证明其中的一对；

（2）连结fg，如果α＝45°，ab＝，af＝3，求fg的长．

八、（本题满分14分）

23．已知某种水果的批发单价与批发量的函数关系如图（1）所示．

（1）请说明图中①、②两段函数图象的实际意义．

（2）写出批发该种水果的资金金额w（元）与批发量m（kg）之间的 函数关系式；在下图的坐标系中画出该函数图象；指出金额在什 么范围内，以同样的资金可以批发到较多数量的该种水果．

（3）经调查，某经销商销售该种水果的日最高销量与零售价之间的函

数关系如图（2）所示，该经销商拟每日售出60kg以上该种水果，且当日零售价不变，请你帮助该经销商设计进货和销售的方案，使得当日获得的利润最大． 数学试题参考答案及评分标准

一．选择题（本题共10小题，每小题4分，满分40分）题号 1 2 3 4 5 6 7 8 9 10 答案 a d b a c b d c b c

二．填空题（本大题共4小题，每小题5分，满分20分）

11．72° 12． 13． 14．，三．（本大题共2小题，每小题8分，满分16分）

15．解：原式＝………………………………………………………6分

＝1…………………………………………………………………8分

16．证：∵ab是⊙o的直径，∴∠acb＝90°

∵mp为⊙o的切线，∴∠pmo＝90°

∵mp∥ac，∴∠p＝∠cab ∴∠mop＝∠b…………………………………………………………6分 故mo∥bc．……………………………………………………………8分

四、（本大题共2小题，每小题8分，满分16分）

17．（1）猜想：……………………………………………3分

（2）证：右边＝＝＝左边，即……8分

18．解：

（1）

……………………4分

（2）设坐标纸中方格边长为单位1，则

p（x，y）（2x，2y）（2x，2y）（，2y）（，）…………8分

说明：如果以其它点为位似中心进行变换，或两次平移合并，或未设单位长，或（2）中直接写出各项变换对应点的坐标，只要正确就相应赋分．

五、(本大题共2小题，每小题10分，满分20分)19．解：（1）菱形图案水平方向对角线长为＝30cm 按题意，cm……………………………5分

（2）当20cm时，设需x个菱形图案，则有：

…………………………………………………8分

解得

即需300个这样的菱形图案．…………………………………………10分

20．解：（1）

…………………………5分

说明：其它正确拼法可相应赋分．

（2）解法一：由拼图前后的面积相等得：………………8分

因为y≠0，整理得：

解得：（负值不合题意，舍去）……………………………………10分

解法二：由拼成的矩形可知：…………………………………8分

以下同解法一．……………………………………………………………………10分

六、（本题满分12分）21．解：（1）第①组频率为： ∴第②组频率为：

这次跳绳测试共抽取学生人数为：人

∵②、③、④组的频数之比为4:17:15 可算得第①～⑥组的人数分别为6、12、51、45、24、12．………6分

（2）第⑤、⑥两组的频率之和为

由于样本是随机抽取的，估计全年级有人达到跳绳优秀………9分

（3）≈127次…………12分

七、（本题满分12分）22．（1）证：△amf∽△bgm，△dmg∽△dbm，△emf∽△eam（写出两对即可）……2分

以下证明△amf∽△bgm．

∵∠afm＝∠dme＋∠e＝∠a＋∠e＝∠bmg，∠a＝∠b ∴△amf∽△bgm．………………………………………………………………6分

（2）解：当α＝45°时，可得ac⊥bc且ac＝bc ∵m为ab的中点，∴am＝bm＝…………………………………………7分

又∵amf∽△bgm，∴

∴………………………………………………9分

又，∴，∴……………………………………………12分

八、（本题满分14分）23．（1）解：图①表示批发量不少于20kg且不多于60kg的该种水果，可按5元/kg批发；……3分

图②表示批发量高于60kg的该种水果，可按4元/kg批发．

………………………………………………………………3分

（2）解：由题意得：，函数图象如图所示．

………………………………………………………………7分

由图可知资金金额满足240＜w≤300时，以同样的资金可

批发到较多数量的该种水果．……………………………8分

（3）解法一：

设当日零售价为x元，由图可得日最高销量

当m＞60时，x＜6.5 由题意，销售利润为

………………………………12分

当x＝6时，此时m＝80 即经销商应批发80kg该种水果，日零售价定为6元/kg，当日可获得最大利润160元．……………………………………………14分

解法二：

设日最高销售量为xkg（x＞60）

则由图②日零售价p满足：，于是

销售利润………………………12分

当x＝80时，此时p＝6 即经销商应批发80kg该种水果，日零售价定为6元/kg，当日可获得最大利润160元．……………………………………………14分

呼和浩特市中考卷数学篇五

2014年 呼 和 浩 特 市 中 考 试 卷

数学参考答案及评分标准

一、选择题

1．c2．d3．a4．b5．b6．c7．d8．c9．b10．c

二、填空题 11．160°12．1.613．63°或27°14．–y(3x–y)215．816．①

三、计算题

17．（1）解：原式=2 ×

32＋ 1–2

＋ 1

2··························································· 3分= 3–3＋2)＋ 1

2··································································· 4分

= –32

···························································································· 5分

（2）解：去分母得

3x2–6x–x2–2x = 0 ·························································································· 1分2x2 –8x = 0 ········································································································ 2分∴ x = 0或x = 4 ································································································ 3分 经检验：x = 0是增根

∴ x = 4是原方程的解 ······················································································ 5分 18．解：过点p作pd⊥ab于d ················································································· 1分

由题意知∠dpb = 45° 在rtδpbd中，sin 45° = pdpb

∴ pb2pd ········································································································· 2分 ∵ 点a在p的北偏东65°方向上 ∴ ∠apd = 25°

数学试卷答案第1页（共6页）在rtδpad中 cos 25° =

pd

pa

∴ pd = pa cos 25° = 80 cos 25° ··········································································· 5分 ∴ pb = 802 cos 25°························································································· 6分

–2x＋3≥–3…………………①19．解：1(x–2a)1

2x < 0……………②解①得：x≤3 ········································································································ 1分 解②得：x < a ········································································································ 2分 ∵ a是不等于3的常数

∴ 当a > 3时，不等式组的解集为x≤3 ······························································ 4分当a < 3时，不等式组的解集为x < a ······························································ 5分 20．解：（1）中位数落在第四组 ················································································ 1分

由此可以估计初三学生60秒跳绳在120个以上的人数达到一半以上 ··············· 3分（2）x =

2×70＋10×90＋12×110＋13×130＋10×150＋3×170

≈121 ···· 6分

（3）记第一组的两名学生为a、b，第六组的三名学生为1、2、3 ················· 7分则从这5名学生中抽取两名学生有以下10种情况：ab，a1，a2，a3，b1，b2，b3，12，13，23 ∴ p =

410= 2

····································································································· 9分 21．证明：（1）∵ 四边形abcd是矩形

∴ ad=bcab=cd 又∵ ac是折痕

∴ bc = ce = ad································································································ 1分ab = ae = cd································································································ 2分 又de = ed

数学试卷答案第2页（共6页）

ac

∴ δade ≌δced ····························································································· 3分（2）∵ δade ≌δced ∴ ∠edc =∠dea

又δace与δacb关于ac所在直线对称 ∴ ∠oac =∠cab 而∠oca =∠cab

∴ ∠oac =∠oca ······························································································· 5分 ∴ 2∠oac = 2∠dea ·························································································· 6分 ∴ ∠oac =∠dea

∴ de∥ac ··········································································································· 7分 22．解：设基本电价为x元/千瓦时，提高电价为y元/千瓦时 ·································· 1分

由题意得：

180x＋150y=213

180x＋60y =150 ······························································································ 3分 解之得：x=0.6y=0.7

··································································································· 4分

∴ 4月份的电费为：160×0.6=96元

5月份的电费为：180×0.6＋230×0.7 = 108＋161 = 269元

答：这位居民4、5月份的电费分别为96元和269元． ···································· 7分 23．解：（1）∵ y = k

x

过（1，4）点

∴ k = 4，反比例函数解析式为y = 4

x································································ 1分

（2）∵ b（m，n）a（1，4）

∴ ac = 4–n，bc = m–1，on = n，om = 1 ···················································· 2分 ∴ac4–on= nn= 4n–1 而b（m，n）在y = 4x上

∴4

n

= m ∴ on = m–1 而

bcm–1om = 1

∴ acon = bcom······································································································ 4分 又∵ ∠acb =∠nom = 90°

∴ δacb∽δnom ····························································································· 5分（3）∵ δacb与δnom的相似比为2 ∴ m–1 = 2 ∴ m = 3

∴ b点坐标为（3，43）························································································ 6分

设ab所在直线的解析式为y = kx＋b 4∴ 3= 3k＋b 4 = k＋b∴ k = –43b = 16

3∴ 解析式为y = –43x＋16

3················································································ 8分

24．证明：（1）连接oc ···························································································· 1分

∵ ab为⊙o的直径 ∴ ∠acb = 90°

∴ ∠abc ＋∠bac = 90° 又∵ cm是⊙o的切线 ∴ oc⊥cm

∴ ∠acm ＋∠aco = 90°·············································································· 2分 ∵ co = ao ∴ ∠bac =∠aco

∴ ∠acm =∠abc ······························································································· 3分

（2）∵ bc = cd ∴ oc∥ad 又∵ oc⊥ce ∴ ad⊥ce

∴ δaec是直角三角形

∴ δaec的外接圆的直径为ac········································································· 4分 又∵ ∠abc ＋∠bac = 90° ∠acm ＋∠ecd = 90° 而∠abc =∠acm ∴ ∠bac =∠ecd 又∠ced =∠acb = 90° ∴ δabc∽δcde ∴abbccd= ed而⊙o的半径为3 ∴ ab = 6 ∴6bccd= 2∴ bc2 = 12

∴ bc = 23········································································································ 6分 在rtδabc中 ∴ ac =

36–12 6··················································································· 7分

∴ δaec6········································································ 8分 25．解：（1）∵ y = ax2＋bx＋2经过点b、d

4a＋2b＋2 = 0

∴ 

a＋b＋2 = 5

4解之得：a =–114b =2

∴ y =–14 x2 –1x＋2 ·························································································· 2分

∵ a（m，0）在抛物线上 ∴ 0 =–14 m2 –1m＋2

解得：m =–4

∴ a（–4，0）···································································································· 3分 图像（略）············································································································ 4分（2）由题设知直线l的解析式为y = 1x–1

∴ s = 1ab·pf

= 1

×6·pf

= 314 x2 –12x＋2＋1–1x）································································ 5分

= –3

x2 –3x＋9

= –3

4（x＋2）2 ＋12 ··················································································· 6分

其中–4 < x < 0 ····································································································· 7分 ∴ s最大= 12，此时点p的坐标为（–2，2）····················································· 9分（3）∵ 直线pb过点p（–2，2）和点b（2，0）

∴ pb所在直线的解析式为y =–1x＋1 ·························································· 10分

设q（a12a–1）是y = 1x–1上的任一点

则q点关于x轴的对称点为（a，11

a）

将（a，1–12 a）代入y =–1x＋1显然成立 ····················································· 11分∴ 直线l上任意一点关于x轴的对称点一定在pb所在的直线上 ···················· 12分 注：本卷中各题如有不同解法，可依据情况酌情给分。