2014期中测试卷

合集下载

2014年秋八年级期中质量检测英语试卷(新目标英语)

2014年秋八年级期中质量检测英语试卷(新目标英语)

2014年秋八年级期中质量检测英语试卷(全卷共四大题,满分150分,考试时间:120分钟)A卷(100分)一、听力测试(每小题1.5分,计30分)(一)情景反应根据你所听到的句子,从A..B. C三个选项中选出最恰当的答语。

1. A. Twice a week. B. eight times. C. Twice.2.A.The countryside B. saw a talk show C. It was interesting3.A.by a bus B.by the boat C.by bike4.A.a plane B. a train C. Yes, it does5.A.JIim is B.J im did C .Jim was6.A. Good idea B Sure C Good job.(二)对话理解根据你所听到的对话和问题,从A..B. C三个选项中选出最恰当的答语。

7. A. Go hiking B. Went hiking C. Went fishing8 A. A basketball player . B. A soccer player C. A volleyball player .9. A On foot B. By bus C. By bike10 .A Movie World B. Screen City C. Big Screen11 . A.Five weeks. B.Five days. C.Two days.12.A. Because she is meeting her aunt.B. Because she is studying for a test .C. Because she is relaxing at home.(三)短文理解根据你所听到的短文内容,从A..B. C三个选项中选出最恰当的答语。

(A)13. What is Mike's job in New York City?A. A postman.B. A waiter.C. A journalist.14 What did Mike really want to see?A. The scenery of Italy.B. The scenery of Canada.C. The scenery of the USA.15. When did the train leave New York City?A. At 10:30 pm on Monday.B. At 11:20 pm on Friday.C. At 9:30 am on Sunday.16. Why didn't Mike sleep that night?A. Because he was angry.B. Because he had many things to do.C. Because he was excited.(B)17. Where are the tourists?A. They’re on their way to London.B. They’re on their way to Paris.C. They’re on their way to New York.18. What’ s the population of London?A. About 5 million.B. About 5 billion.C. About 7 million.19. What does the speaker think of the people living in London? A. They are friendly. B. They are rude. C. They are impolite.20. Where should the tourists visit in London?A. Offices.B. Companies.C. The London Museum.二、单项选择(20分)21.—How often does your sister surf the internet?—About .A. three timeB. three timesC. three time every dayD. three times a day22. —When is your father going to Hong Kong?—He is going there July 28th.A. onB. atC. inD. to23. Thank you for me find my little cat yesterday.A. helpB. helpsC. helpedD. helping24.Are you good at ?A. swimB. swimmingC. to swimD. swam25. —Could I please use your computer?—.A. Yes, I can.B. Yes, you can'tC. Sorry, you can'tD. No, I can't.26. —does it take you to watch TV?—About forty minutes.A. How longB. How muchC. How oftenD. How many27. I am very because I don't like exercise.A. healthB. healthyC. healthilyD. unhealthy28. Judy a stomachache(胃痛), so she eat anything for twenty-four hours.A. has; shouldB. have; shouldC. has; shouldn'tD. have; shouldn't29. My friend likes singing and talking with others. But I often stay at home to watch TV. So my friend is than me.A. seriouserB. more seriousC. calmerD. more outgoing30. —How does he get to work? —He a bike.—How long does it him to get from home to the office?—It him 20 minutes.A. rides; takes; takesB. rides; take; takesC. ride; takes; takesD. ride; take; takes31. Does Babara go to work bus or foot?A. to; byB. with; onC. by; onD. on; on32. My birthday is in .A. TuesdayB. AprilC. March 3rdD. Monday33. —are you staying in Ottawa? —For two weeks.A. How longB. How manyC. How oftenD. How much34. I'm short, so I want to be .A. heavierB. largerC. tallerD. bigger35. When it rains, I a taxi.A. takeB. rideC. byD. sit36. ----- Is there in today’s newpaper?------ Sorry, I don’t knowA. something new B anything new C. new something D new anything37. ---- Why was he late, Tom ?-----He was late he was ill, not the bad weather .A. because, because ofB. because of , becauseC. because , becauseD. because of , because of38. ---- Did you decide a bicycle to school ? ---- SureA. rideB. ridingC. to rideD. rode39. The weather in ChongQing is ________than________in BeiJing.A. more hotter, thatB. hotter, thoseC. much hotter, thatD.the hotter, this40. -----Who went to Beijing in our class ? ----- http://www. xkb1.c omA. NeverB. NoC. NoneD. No one三、完形填空(共10小题,20分)In western countries, many children do chores(家务)to get pocket money. ___41___ usually start to do chores at the age of ten .School students have to do homework and study ____42_____ tests on weekdays. So they often do chores on _____43____.Young kids only do __44___chores .So they don’t get much money. But that’s all right. Many of them only want to ___45_______candies(糖果).And candies are cheap. They help wash the dishes after dinner, and ___46______ the family cat or dog.When kids get _____47_____ ,they want to buy more and more things. They want things that are more expensive than candies . Then they have to work harder. They often _____48_____the family car ,cut the grass, walk the dog or cook dinner.Doing chores is a good ___49____for kids to learn new things. For example, they can learn how to use a lawn mower(割草机) or ____50_____to cook. Of course, their parents help them at first.41. A. They B. We C. He D. You42.A. at B. for C. into D. from43.A. holidays B . birthdays C . weekdays D. weekends44.A .easy B. hard C. scary D . heavy45.A .find B. bring C. buy D . make46.A .sell B .feed C . borrow D. catch47A. older B. busier C. younger D. happier48.A . drive B . use C. take D. wash49.A .subject B. way C. problem D. lesson50.A . what B. why C. how D. when四.阅读理解(共30分)“ Dreams may be more important than sleep. We all need to dream.” some scientists say. Dreams take up about one quarter of our sleeping time. People have several dreams each night.Dreams are like short films. They are usually in color. Some dreams are like old films. They come up over and over again. That may be the dreamer worrying about something. Dreaming may be a way of trying to find an answer.Some people get new ideas about their work from dreams. They may have been thinking about their work all day. These thoughts can carry over into dreams.Too much dreaming can be harmful. The more we sleep,the longer we dream. The mind is still at work when we dream. That is why we may have a long sleep and still wake up tired.51. It may be less important to sleep than to _____.think B.dream C.work D.study52. Dreams and films are usually _____.very long B.in color C.about work D.very sad53. Why do some people often dream about their work?A、Because they are tired in the daytime. B. Because they not interested in their work.C. Because they may be thinking about their work all day.D. Because they have too much work to do.54. The main idea of the story is that_____what dream is B. people like to sleepC.dreams are like filmsD.we always remember dreams55. Which sentence is RIGHT?A、It is good to sleep longer. B. We will feel tired after a long dream.C. The mind isn’t work when we dream.D. All people can find an answer of the work in the dream.Every one of us, rich or poor, should at least have one or two good friends. Your friends will listen to you when you speak, will take care of you when you are ill, and will be together with you in your journey (旅程)through life.Everyone needs friends. Friendship can make us happier. How can we find a good friend and get on well with each other? Here is some advice.Make friends with a person who is easy to get along with.You should make friends with a person who has something in common with you.Give your friend a hand when she or he is in trouble. Friends should always be ready to help each other. Believe in each other. This is the most important thing in a friendship.Even the best friends may have a fight sometimes. If this happens, don’t let your fight last too long. Try to make up with your friends soon.Friendship is a kind of treasure(宝藏)in our life. It is like a bottle of wine(酒), the longer it is kept, the better it will be.56. Everyone needs friends. Which of the following is Not a reason for it?A. Friends will look after you when you are ill.B. Friends will fight with you.C. Friends will make you happier.D. Friends will be with you through your life journey.57. Which of the following is not right according to the article?A. If your friends have some problems, you should help them.B. Friends may fight with each other, but best friends never fight.C. Believing in your friends is the most important thing in a friendship.D. Make friends with a person who has the same interests as you.“Who needs a shopping mall if you have Taobao?” says Wang Lin, 28, a writer in Beijing.Taobao, China’s largest online shopping site(网上购物网站), has become an important part of Wang Lin’s life. She spends lots of money on Taobao.A growing number of Chinese Internet users like Wang have found the joy(乐趣)of online shopping. Most online shoppers are students or young workers. More women shop on line than men. Clothing and home-use products(产品)are the most popular on line.It was reported that more than 250 billion(十亿)yuan was spent on online shopping in 2009, 80% through Taobao. Taobao means “looking for treasure” in Chinese. People can find almost everything they need on Taobao, from clothes to books, from candies to DVD, from furniture to electrical appliances(家用电器).You may question(质问)the security of online shopping. Ho wever, Wang Lin said, “It’s very safe(安全的)and convenient(便利的). Unless you receive the products from the sellers and are satisfied(满意的)with them, the shop owner will not get the money. You can also get your money back if you want to return the products.”58. What are the most popular products on line?A. Candies and DVD playersB. Clothing and home-use productsC. Clothes and booksD. Furniture and electrical appliances59. Taobao is ____________.A. a shopping mallB. an online shopperC. an online shop ownerD. an online shopping site60. What does the underlined word “security” mean?A. 安全B. 信誉C. 质量D. 价格Bruno was a boy of eight. His father worked in a cinema and his mother worked in a shop. He lived not far from his school. He always walked there and walked home. On his way to school, he had to pass a playground. It was very wet after it rained. One day,when he got home,his clothes were all wet. His mother became angry and said,” don’t play in the water on your way home from school!”On the next day Bruno came back wet and dirty(脏的)clothes. His mother became even angrier.” I’ll tell your father you come back wet again.” said his mother,” He’ll punish you,you know.”The third day the little boy was dry when he came home.“you’re a good boy today,” his mother said happily,”you didn’t play in the water.”“No,” the boy said unhappily.” There were too many older boys in the water when I got there this afternoon. There wasn’t any room(空地方)for me at all.”61. Bruno went to school _____every day.A.by bikeB.by busC.by carD.on foot6 2. The playground was between _____.A.two classroomsB.the cinema and shopC. Bruno’s house and schoolD.the shop and Bruno’s school6 3. The little boy liked to play on the playground______.A.when it snowedB.when there was some water thereC.when the children played football thereD.when his father was busy with his work64. Bruno was afraid of _____ most.A.his fatherB.his motherC.his teacherD.the other boys65. That afternoon, the boy’s clothes were dry because ____.A.nobody made room(地方)for him in the water.B.there was no water on the playgroundC.he took off his clothes before he played there.D.he played in the water carefully.五、任务型阅读(共6分)Hello, boys and girls. My name is Li Jing. I am a girl student. I am thirteen years old. I think as students, we should work hard at school on weekdays. But we also need to have a good rest to relax myself. So I always study hard when I am at school, but on my day off I often do something else to relax myself.I had a very relaxing day off. In the morning, I got up at seven o’clock. Then I went to run with my father. I think we need to exercise ever y day. After all, it’s important to keep healthy. After running, I took a shower and had breakfast. At nine o’clock, I went to the aquarium with my friends. We saw some sharks and seals there. Sharks are very scary but the seals are cute. We also saw a dolphin show. I think dolphins are very clever animals. In the gift shop, we bought many gifts. We had great fun there.In the afternoon, my parents took me to see my grandparents. They live in the beautiful countryside. They were very happy to see me. I talked with my grandparents for long and he told me many interesting things about him. My grandmother cooked lots of delicious food for us.In the evening, I watched TV with my cousins. We watched a basketball match. The match was very exciting. We were glad when we saw our favorite team in the match.What a happy day off I had! I hope all of you can have an interesting day off!阅读短文,回答下列问题。

2014年春八年级期中考试数学试卷(附答案)

2014年春八年级期中考试数学试卷(附答案)

A B CD2014年春八年级期中考试数学试卷考试时间:120分钟,卷面满分:120分一、选择题(1-7小题每小题3分,8-10小题每小题4分,共33分)1.已知实数a 、b 满足22(24)(62)0a b -+-=,则ab 的算术平方根为( ) A . ±6 B. 6 C. ±2.已知|1|)1)(8(-+-x x x 的值为0,则x 的值为( )A.±1B.-1C. 8D. -1或83.已知22()8,()12a b a b +=-=,则22a b +的值为( )A. 10B. 8C. 6D. 44.三角形的三边长分别为整数a 、b 、c ,a ≤b ≤c ,当b=3时,这样的不全等的三角形共有( )个。

A. 4B. 5C. 6D. 7 5.当=x1时,代数式2()()111x x x x x x-÷-+-的值为( ) A.136.在同一直角坐标系中,一次函数k kx y -=与反比例函数y=2kx的图像的大致位置是( )7. 如图,A 在DE 上,F 在AB 上,且AC=CE ,∠1=∠2=∠3, 则DE 的长等于( )A. DCB. BCC. ABD. AE+AC8. 设直线2)1(=++y n nx (n 为自然数)与两坐标轴围成的三角形面积为nS A B C EDF 1 2 3(n=1,2,……,2010),则122010S S S +++ 的值为( ) A. 1 B.20102009 C. 20112010 D. 201020119. 如图,梯子AB 斜靠在墙面上,AC ⊥BC ,AC=BC ,当梯子的顶点A 沿AC 方向向下滑动xm 时,梯足B 沿CB 方向滑动ym ,则x 与y 的大小关系是( ) A. x=y B. x >y C. x <y D. 不确定10. 甲、乙两人同时从A 地沿一条路线去B 地,若甲一半的时间以akm/h 的速度行走,另一半时间以bkm/h 速度行走;而乙一半的路程以akm/h 的速度行走,另一半的路程以bkm/h 的速度行走(a 、b 均大于0,且a ≠b )则( ) A. 甲、乙同时到达B 地 B. 甲先到达B 地 C. 乙先到达B 地 D. 不确定二、填空题(每小题4分,共32分) 11. 若a b b c a ck c a b+++===,则直线y kx k =+的图象经过 象限。

2013—2014学年度第二学期七年级数学期中测试卷及答案

2013—2014学年度第二学期七年级数学期中测试卷及答案

2013—2014学年度第二学期期中学业水平调研测试七年级数学试卷2.答卷前,考生必须将自己的学校、班级、姓名、试室、考号按要求填写在试卷密封线左边的空格内.答卷过程中考生不能使用计算器.一、选择题(本大题共10小题,每小题3分,共30分)在每小题给出的四个选项中,只有一个A .±2B .2C .2D .±22.点P (3,4)在( ) A . 第一象限B .第二象限C .第三象限D .第四象限3.如图,直线a ∥b ,∠1=52°,则∠2的度数是( ) A . 38°B . 52°C . 128°D .48°4.右图1通过平移后可以得到的图案是( )5.下列运算正确的是( ) A .=±3B . |-3|=-3C . -=-3D . -32 = 96.在0,3.14159,3 ,227,39中,无理数的个数是( )A . 1个B . 2个C . 3个D . 4个7.点A 的坐标为(﹣2,﹣3),现将点A 向下平移2个单位,则经过平移后的对应点A′的坐标是( ) A .(﹣2,﹣1)B .(﹣2,﹣5)C .(0,﹣3)D .(﹣4,﹣3)8.点到直线的距离是指( ) A .从直线外一点到这条直线的垂线 B .从直线外一点到这条直线的垂线段 C .从直线外一点到这条直线的垂线的长 D .从直线外一点到这条直线的垂线段的长9.有下列四个命题:(1)相等的角是对顶角;(2)两条直线被第三条直线所截,同位角相等;(3)如果两条直线都和第三条直线平行,那么这两条直线也互相平行;(4)垂直于同一条直线的两条直线互相垂直。

其中是假命题...的有( ) A .1个 B .2个 C . 3个 D .4个 10.如图2,直线a ∥b ,则|x ﹣y |=( ) A . 20 B . 80 C . 120D . 180二、填空题(本大题共6小题,每小题4分,共24分)请将下列各题的正确答案填写在相应位置上。

(正式)信息技术期中试卷2014年第一学期

(正式)信息技术期中试卷2014年第一学期

机密★考试结束前2014学年第一学期信息技术期中质量检测命题:信息技术教研组校对:信息技术教研组注意事项:试卷共40题;答题卡上姓名栏中写上班级、姓名和“信息技术”;准考证号栏上书写正确的准考证号(见桌贴)、并用铅笔正确填涂1.如右图所示,向上拖动“拖动柄”到A2单元格,则A2单元格的值是()A.12 B.8 C.10 D.42.小明打算将历次考试名次做个图表,以此来分析学习趋势,下列图表类型中最合适的是()A.折线图B.柱形图C.饼图D.雷达图3.编辑Excel文件时,看到内容如右图显示,请问出现“###”的原因是()A.小红无得分B.小红得分不合理C.单元格不够宽D.字体缺失4.如右图所示的Excel图表操作中,要增加“音响”这一行数据到图表中,某同学已打开了快捷菜单如右图,在此菜单中应选择()A.图表区格式B.图表类型C.数据源D.图表选项5.以下学生档案表已经经过两个关键字的排序,通过仔细观察,我们可以发现的正确排序方法为()A.以“总分”为主要关键字降序,“学号”为次要关键字升序排序B.以“总分”为主要关键字升序,“学号”为次要关键字降序排序C.以“学号”为主要关键字降序,“总分”为次要关键字升序排序D.以“学号”为主要关键字升序,“总分”为次要关键字降序排序6.如下图所示,单元格B9的求平均公式为:“=AVERAGE(B3:B8)”,则单元格D9的求平均公式为()A.=AVERAGE(B3:B8) B.=AVERAGE(D3:D8) C.=AVERAGE(B3:D8) D.=AVERAGE(D3:D9)7.Excel电子表格文件的扩展名是()A. docB. jpgC. rarD. xls8.小明看到Excel工作表中A1单元格中的公式是“=B2+10”,如果将该单元格复制到D3单元格,那么D3单元格中的公式是()A. =B2+10B. =B2+12C. =E4+10D. =E4+129.看右图,完成第9题到第13题,当前选中的活动单元格是()A.A2B. A7C.F7D.A1310.要将标题“2010年……吞吐量”在A1:E1单元格区域中实现合并居中,应单击下列哪个按钮()A B C D E F G H I11.利用自动填充功能完成其余港口合计值计算,有如下操作:①将鼠标指针移至E3单元格右下角填充柄处②按住鼠标左键向下拖曳至E12单元格③选择E3单元格正确的顺序是()A. ①②③ B. ②③① C. ②①③ D. ③①②12.若要新建图表以直观显示各港口第一季度合计值占总量百分比时,该图表类型应()A. 柱形图B. 条形图C.拆线图D.饼图13.若要建立一张反映1月份各港口的吞吐量的图表,应选择的数据区域为()A. A1:D12B. A2:D12C. A2:B12D. A2:C1214. Excel公式中若想表示某一单元格的值始终保持不变,可按下列哪个键进行切换()A.F1 B.F2 C.F3 D.F415. 期中考试后,班主任交给阿杰一个任务,让他统计此次考试班上各科成绩的最高分、最低分和平均分,以下软件中你觉得()是比较合适A.AccessB.ExcelC.WordD.Wps16. 下图为金庸小说武功大全(部分)表,若想利用EXCEL软件,找出该表中掌握“威力指数”最高经典高手是谁,以下方法中不可行的是()A.利用排序功能,按威力指数为主要关键字,将该数据表降序排序,找出第一个高手B.利用自动筛选功能,筛选出威力指数中最大值所对应的经典高手C.利用排序功能,按知晓度为主要关键字,将该数据表降序排序,找出第一个高手D.以经典高手和威力指数列为数据源创建数据点折线图,系列产生在列,找出图中最高点所对应的经典高手17.小明制作的一张简易水费结算表(如下图所示),其中实缴金额为本月度数×每度水单价,如果要保证自动填充后D5:D14的计算结果都是正确的,则在D5中应输入的公式是()。

2014学年(上)期中语文测试试题卷

2014学年(上)期中语文测试试题卷

2014学年九年级上期中语文测试试题卷(2014.11)满分:100分考试时间:120分钟出卷人:肖友明审核人:朱雪峰学校:丁栅中心学校一、基础知识及其运用(18分)。

1.根据拼音写汉字。

(3分)一位衣衫褴褛的老人坐在润如油gāo的地上,自言自语,强guō不舍。

其实,我们被他的表面现象所诓骗,他心态平和,心无旁骛,zī zī以求,廓然无累,真正算是一位世外“高人”。

2. 古诗文默写填空。

(6分)①了却君王天下事,。

②过尽千帆皆不是,。

③他在公司濒临倒闭的时候接受重任,可用《出师表》中“,”一句来加以概括他此时的处境。

④陆游《卜算子•咏梅》中歌颂梅花即使粉身碎骨仍然芳香依旧的句子是,。

3.名著阅读考察。

(3分)根据下列摘录的语句,分别写出“我”是作品中的哪一个人物。

【甲】我是清河县人氏,这条景阳冈上少也走过了一二十遭,几时见说有大虫,你休说这般鸟话来吓我!——便有大虫,我也不怕!【乙】却是恁地好?只有祖上留下这口宝刀,从来跟着洒家,如今事急无措,只得拿去街上货卖得千百贯钱钞,好做盘缠,投往他处安身。

【丙】郑屠当不过,讨饶。

他喝道:“咄!你是个破落户!若只和俺硬到底,洒家倒饶了你!你如今对俺讨饶,洒家偏不饶你!”又只一拳,太阳上正着,却似做了一个全堂水陆的道场,磬儿、钹儿、铙儿一齐响。

【甲】中的“我”指▲【乙】中的“洒家”指▲【丙】中的“俺”指▲4. 阅读下面材料,按要求答题。

(6分)【材料一】中华国学经典指中华文化中最优秀,最精华,最有价值的典范性著作。

专家疾呼“让中华优秀传统文化走进中小学课堂”,“国家应把中华优秀传统文化引入国家实验课程”。

不少地方中小学已开设国学教育课,每周1课时。

【材料二】目前,全世界已有l00多个国家和地区设立了400多所孔子学院。

有关部门选取《弟子规》《三字经》《论语》《孟子》等国学文化经典,编写出版了《中华传统文化视听读本》,让中国传统文化走向世界。

(摘自“新浪网”)①在中小学开设国学教育课,有人肯定但也有人反对,你持什么观点?请简述理由。

2014版pep六年级下期中试题及答案

2014版pep六年级下期中试题及答案

2014版pep六年级下期中试题及答案一、听力部分(共20分)1. 听录音,选择听到的单词。

(每题1分,共5分)A. breakfastB. lunchC. dinnerA. morningB. afternoonC. eveningA. sandwichB. hamburgerC. saladA. milkB. juiceC. coffeeA. vegetableB. fruitC. meat2. 听录音,选择听到的句子。

(每题1分,共5分)A. I like apples.B. I like oranges.A. I have a sandwich for lunch.B. I have a hamburger for lunch.A. I drink coffee in the morning.B. I drink milk in the morning.A. I eat vegetables for dinner.B. I eat fruits for dinner.A. I have breakfast at 7:00.B. I have lunch at 7:00.3. 听录音,选择听到的对话。

(每题2分,共10分)A. A: What do you like for breakfast?B: I like bread and milk.B. A: What do you like for lunch?B: I like rice and vegetables.C. A: What do you like for dinner?B: I like noodles and fruits.D. A: What do you drink in the morning?B: I drink juice.E. A: What do you drink in the evening?B: I drink coffee.二、笔试部分(共80分)1. 单项选择。

2014秋学期七年级综合试卷期中考试

2014秋学期七年级综合试卷期中考试

2014秋学期校际第一次联合阶段性目标检测初一综合试题(试卷满分:100分,考试时间:100分钟,考试形式:闭卷,命题校:老舍中学)政治试卷(30分)16分)A.在班集体中,同学之间要团结协作B.每个人在班集体中的位置都是不可替代的C.只需要看到自己在班集体中的积极作用 D .同学之间要有福同享,有难同当2.正确认识和评价自己,应该 A.用自己的长处和别人的短处比 B.用自己的短处和别人的长处比 C.用全面的、发展的眼光看待自己D.只看自己的优点和长处,不看自己的缺点和短处 3小丽上初中后,很注意自己在老师和同学心中的形象,她的校服总是洗得干干净净,学习时自觉主动,做事时能注意考虑后果,遵纪守法。

这种表现体现着A.自尊B.自满C.虚荣D.自傲4.谁都希望得到别人的尊重,得到别人的认可。

受人尊重的奥秘在于 A.贬低他人,抬高自己 B.奉承他人,取悦他人 C.尊重他人 D.表扬他人5.孟子说:爱人者,人恒爱之。

这句话对我们的正确启示有 ①只有关爱别人,才能得到别人的关爱 ②你不想被别人欺骗,就不应该去欺骗别人 ③只有尊重别人,才能得到别人的尊重 ④在别人关爱我的前提下,我才去爱别人①②④ B.①②③ C.②③④ D.①②③④ 6.人与人之间是平等的,这里的平等是指 A.社会地位的平等 B.行使权利的平等 C.个人财富的平等 D.人格和法律地位上的平等 7.小华在超市购物时,被保安怀疑偷了商场的东西。

保安不顾小华的解释,将小华拘禁在保安室进行了搜查。

经查发现小华是无辜的。

对保安的行为下列认识错误的是A.是爱岗敬业、依法履行职责的行为B.侵犯了小华的人身自由权C.是违法行为,侵犯了小华的合法权利D.侵犯了小华的人格尊严8.小强上学迟到受到班长小伟的批评,对小伟心存不满,故意在同学中捏造说小伟在新华书店盗窃书籍,小强的这一行为A.是违法的,侵犯了小伟的姓名权B.属于正当防卫C.是违法的,侵犯了小伟的名誉权D.情有可原,可以理解二、简要分析题(结合材料运用所学知识对问题进行简要分析和说明。

2014年秋期中联考七年级语文试卷及答案

2014年秋期中联考七年级语文试卷及答案

2014年秋季期中联考七年级语文试卷(满分:150分;考试时间120分钟)一、积累与运用(30分)1、阅读下面一段话,按要求作答(7分)生活是无字的书,眼光敏rui 的人看得见精采的诗句;书是有字的生活,感情丰富的人闻得到甜美的芳香。

点滴就是生活折射出来的光彩!在赞赏和礼让中,因恭敬父母而懂得孝顺,因恭敬师长而明白遵师重道,因恭敬兄弟姊妹而互相友爱,更因恭敬万事万物而懂得感恩付出。

让生活充满爱与欢喜,无形中英营造出积极健康的和偕氛围。

⑴加点字“氛”的读音是;“敏”字后面应填的字是。

(2分)⑵这段文字中有三个错别字,请改正。

(3分)改为;改为;改为。

⑶选段中中“恭敬”的意思是。

(2分)2、选出下列句子中没有语病的()(3分)A、《我的老师》这篇课文的作者是魏巍写的。

B、山村里,满山遍野到处都是果树。

C、每个学生都应该养成上课认真听讲的好习惯。

D、我们讨论了并且听了老红军的报告。

3、根据你的阅读积累,在空格处填写恰当的内容。

(2分)进入初中半个学期以来,在老师的引领下,我们泛舟书海,品读美文。

我们追随老舍先生的足迹走进济南,感受济南冬天的________________;同________________一道领略莎莉文老师,隽永深沉的爱心和高超的教育艺术;通过学习,我们深深感到徜徉于语文世界是多么快乐。

4、默写(12分)(1)_______________,洪波涌起。

(《观沧海》曹操)(2)海日生残夜,_______________。

(《次北固山下》王湾)(3)夕阳西下,_______________。

(《天净沙·秋思》马致远)(4)_______________,浅草才能没马蹄。

(《钱塘湖春行》白居易)(5)_______________,把酒话桑麻。

(《过故人庄》孟浩然)(6)君问归期未有期,_______________。

(《夜雨寄北》李商隐)(7)我寄愁心与明月,_______________ 。

2014年七年级第一学期期中考试

2014年七年级第一学期期中考试

2014—2015学年度第一学期期中阶段质量检测七年级地理试题地球仪是地球的模型,是中学生学习地理的工具,观察图示地球仪完成下列各题。

1. 地球仪中“地轴”与地球球面交点称为两极,其中北极指向()A.太阳B.北斗七星C.北极星附近D.月球2. 右边图示地球仪上A、B、C、D所在的大洲或大洋是()A. 欧洲、大西洋、太平洋、非洲B. 亚洲、太平洋、印度洋、非洲C. 北美洲、大西洋、太平洋、南美洲D. 亚洲、印度洋、太平洋、非洲3. 将图示地球仪按地球自转方向转动,最早从我们视线中消失的是A. A点B. B点C. C点D. D点4. 从北极上空看地球自转方向是A. 自西向东B. 自东向西C. 呈顺时针方向D. 呈逆时针方向5. 下列四个比例尺中,表示地理事物最详细的是A. 1:700B. 1:7000C. 1:70000D. 1:7000006. 在分层设色地形图上,平原的颜色是A. 绿色B. 黄色C. 蓝色D.红色7. 有关等高线的叙述,正确的是A. 山脊,等高线向高处凸起B. 山谷,等高线向高处凸起C. 陡坡,等高线稀疏D. 缓坡,等高线密集8. 在山区中常有河流流过的地形是A. 陡崖B. 鞍部C. 山脊D. 山谷9. 已知某一山坡上甲地比乙地高60米,乙地的海拔为120米,那么两地的海拔最高是A. 200米B. 180米C. 160米D. 140米10. 关于地球公转和自转的叙述,正确的是A. 转动中心相同B. 转动方向相同,都是自西向东C. 自转产生昼夜长短的现象,公转产生昼夜交替的变化D. 自转和公转分开单独进行11. 地球的平均半径是()A.6378千米B.6371千米C.6357千米D.4万千米12. 地球公转的地理意义是A. 围绕太阳不停地旋转B. 产生了昼夜长短的变化和四季交换C. 形成了四季的变化和昼夜交替D. 地轴与公转轨道面保持66.5°的夹角13. 下列对五种地形的叙述中,正确的是A. 海拔在500米以上,相对高度大B. 平原海拔一般在500米以下,地面广阔平坦C. 山地和丘陵相对高度差异小而海拔高度差异大D. 高原和平原相对高度都小,但海拔高低不同14. 关于地球仪正确的叙述是()A.地球仪是地球的模型B.地球仪是缩小了的地球模型C.地球仪是用颜色和符号来表示事物的D.地球仪可以方便我们知道地球的面貌15. 在有经纬网的地图上辨别方向,正确的是A. 先找指向标,然后定方向B. 面向地图“上北下南,左西右东”C. 不在同一条纬线上的两点,肯定会有东西之分D. 经线指示南北方向,纬线指示东西方向16. 地球上有昼夜交替的现象是因为A. 地球绕太阳公转 B . 地球的自转C. 太阳、星星绕地球旋转D. 地轴与公转轨道有一个夹角下图为某单位平面图,图中宿舍楼长180米。

2014学年第一学期期中试卷(含答案)_初二八年级英语

2014学年第一学期期中试卷(含答案)_初二八年级英语

2014学年第一学期期中试卷(含答案)_初二八年级英语2014学年第一学期期中考试试卷八年级英语(满分100分,考试时间:90分钟,请将答案填在答题纸上,否则不予评分)Part I Listening(听力)(共25分)I. Listen and choose the right picture (根据你所听到的句子,选出相应的图片) (5分)(A) (B) (C)(B)(C)(D) (E) (F)II. Listen to the dialogue and choose the best answer to the question you hear (根据你听到的对话和问题,选出最恰当的答案) (8分)( ) 6. A. From the man B. From her father C. From her mother D. From her friend ( ) 7. A. Six feet B. Five and a half feet C. Five feet D. More than six feet ( ) 8. A. Ruby group B. Football group C. Badminton group D. Baseball group ( ) 9. A. Yellow B. Black C. Red D. Brown( ) 10. A. In a small house B.In a new flat C. In a new park D. In an old house ( ) 11. A. It’s hot. B. It’s cold. C. It’s cool. D. It’s warm. ( ) 12. A. In a restaurant B. In a library. C. In a post office. D. At home. ( ) 13. A. He liked the film. B. He didn’t like the film.C. He only enjoyed the story.D. He only enjoyed the music. III. Listen to the passage and tell whether the following statements are true or false (判断下列句子是否符合你听到的短文内容,符合的用“T”表示,不符合的用“F”表示) (6分) ( ) 14. As a student, Jack worked hard at all his subjects.( ) 15. There are sixty statements in all in the English test.( ) 16. The night before the test all the students watched TV except Jack.( ) 17. Jack decided to toss(抛) a coin during the English test.( ) 18. The test lasted one and a half hours but Jack finished his test paper early.( ) 19. The English teacher didn’t notice what Jac k did in the classroom.IV. Listen to the passage and complete the following sentences (听短文,完成句子, 每空限填一词) (6分)20. Karen found a pen friend from “Pen Friends” ______ a few days ago.21. Among all the subjects Karen’s favorite subject are English and _______.22. Karen’s family isn’t big. They are Karen’s parents, ______ brothers and herself.23. Karen is not only good at _______ but also good at playing.24. Though Karen likes singing, she wouldn’t like to be a singer in the _______.25. Karen’s ambition i s to be a movie star and her dream is to ______ around the world.Part II Vocabulary and Grammar(第二部分:词汇和语法)V. Choose the best answer (选择最恰当的答案):(共18分)( ) 26. I had some milk and bread for breakfast this morning. Which of the following is correct for the underlined word?A./bred/B. /bri:d/C. /br d/D. /breid/( ) 27. --- What’s the use of the keyboard?--- We use it _____ typing in information.A. inB. onC. atD. for( ) 28.I have got ______ useful book and I’m reading it now.A. aB. anC. theD. /( ) 29.This computer isn’t mine. It’s ________.A. heB. himC. hisD. himself( ) 30. There’s _______ time left. Please be quick or you’ll be late.A. fewB. a fewC. littleD. a little( ) 31.Grandpa Wang has two sons. One works as a teacher, and ______works as a worker.A) the other B) another C) other D) the others( ) 32. Is there ________ about the appearances of the robots?A. attractive somethingB. something attractiveC. attractive anythingD. anything attractive( ) 33.You _________ worry a lot. Your son will be all right soon.A) needn’t B) can’t C) mustn’t D) may not( ) 34. The old model computer is much _______ than the new one.A. bigB. biggerC. biggestD. the biggest( ) 35. Sending e-mails ______ us to keep in touch with friends all over the world easily.A. letsB. enablesC. makesD. has( ) 36. How much did you _______ for this new digital TV set?A. takeB. spendC. costD. pay( ) 37. _______ you’ve been in Shanghai for many years, you must be familiar with the city.A. WhileB. SinceC. WhenD. Though( ) 38. ______ a good time we had during the seven-day national holiday!A. WhatB. What aC. What anD. How( ) 39 We’ve finished our dinner. Let’s go Dutch, _______?A. do weB. will youC. shall weD. are we( ) 40. Millie is very busy _______ these days, so she can’t watch the game on TV.A. writeB. writingC. to writeD. wrote( ) 41. Susan and Lily ______ tomatoes and other vegetables on the farm this time yesterday.A) pick B) are picking C) will pick D) were picking( ) 42. Peter and I are good friends. We ______each other for almost ten years.A. knowB. will knowC. knewD. have known( ) 43. --- Can you teach me how to make a homepage?--- Sure. __________.A. It’s a small cake.B. It’s a piece of cake.C. That’s right .D. It’s nothing.VI. Complete the following passage with the words or phrases in the box. Each word or phrase can only be used once(将下列单词或短语填入空格。

2014年秋七年级期中考英语科试卷、答案

2014年秋七年级期中考英语科试卷、答案

2014年秋季期中考七年级英语科试卷(试卷满分150分;试卷时间120分钟)命题者:潘梅芬审核者:郑淑红本试卷分为第一卷和第二卷两大部分。

答第一卷时,选出每小题答案后,再用2B铅笔把答题卡上对应题号的答案标号涂黑。

如有改动,请用橡皮擦干净后,再选涂其他答案。

答第二卷时,考生必须将答案写在答题卡相应的位置上。

第一卷第一部分听力考查(25分)第一节听句子:(15分)(A) 听句子,选择你所听到的单词。

(句子读两遍) (每题1分,共10分)1. A. Leo B. Kate C. Sally2. A. meet B. see C. do3. A. sister B. student C. teacher4. A. w hat B. where C. how5. A. pens B. pencils C. erasers6. A. neck B. mouth C. nose7. A. blue B. green C. black8. A. do B. don’t C. aren’t9. A. mom B. sister C. dad10. A. four B. five C. three(B) 听句子,根据你所听到的句子,选择恰当的答语。

(句子读两遍)(5分)11. A. Good afternoon! B. Goodbye! C. Good morning!12. A. How are you? B. How do you do? C. I’m fine. Thanks.13. A. They are apples. B. It’s an apple. C. It’s a car.14. A. Yes, he does. B. Yes, I do. C. He has a white T-shirt.15. A. He is from America. B. She is from Cuba. C. They are from England.第二节听对话:(10分)(A) 听对话,从A、B、C三幅图画中选出符合对话内容的图画。

2014学年度第二学期期中八年级测试

2014学年度第二学期期中八年级测试

2014学年第二学期期中考试八年级语文试卷(考试时间:100分钟满分100 分 )一、文言文(24分)(一)默写(5分)1.,今日又南冠。

(《别云间》)2.出师未捷身先死,。

(《蜀相》)3. ,满川风雨看潮生。

(《淮中晚泊犊头》)4.孤村落日残霞,,一点飞鸿影下。

(《天净沙·秋》)5.,北市买长鞭。

(《木兰诗》)(二)阅读元曲,完成第6—7题(4分)水仙子·咏江南一江烟水照晴岚,两岸人家接画檐,芰荷丛一段秋光淡。

看沙鸥舞再三,卷香风十里珠帘。

画船儿天边至,酒旗儿风外飐。

爱杀江南。

6.对本曲理解错误的一项是 (2分)A.“水仙子”是这首曲的标题,“咏江南”是本曲题旨所在。

.“芰荷丛一段秋光淡”一句点出所写的是秋天的景致。

.“卷香风十里珠帘”一句用夸张的手法表现了江南人家的富庶。

.“画船儿天边至,酒旗儿风外飐”两句描绘出一派祥和之景。

7.“水仙子·咏江南”中“咏”字用得极妙,因为 (2分)(三)阅读下文,完成8—10题(7分)《木兰诗》(节选)万里赴戎机,关山度若飞。

朔气传金柝,寒光照铁衣。

将军百战死,壮士十年归。

归来见天子,天子坐明堂。

策勋十二转,赏赐百千强。

可汗问所欲,木兰不用尚书郎,愿驰千里足,送儿还故乡。

爷娘闻女来,出郭相扶将;阿姊闻妹来,当户理红妆;小弟闻姊来,磨刀霍霍向猪羊。

开我东阁门,坐我西阁床。

脱我战时袍,著我旧时裳。

当窗理云鬓,对镜帖花黄。

出门看火伴,火伴皆惊惶:同行十二年,不知木兰是女郎。

8.《木兰诗》选自朝(人名)编的《》,这是南北朝时期北方的一首民歌。

(3分)9.翻译句子:(2分)将军百战死,壮士十年归。

10.对诗句品味有误..的一项是()(2分)A.“万里赴戎机”:“万里”极言征程之远,“赴”表现动作之迅速、果敢。

B.“朔气传金柝,寒光照铁衣”:环境描写,表现了宿营地的寒冷、凄凉。

C.“当窗理云鬓,对镜帖花黄”:表现了木兰爱美的女儿情怀。

2014八年级期中试卷

2014八年级期中试卷

A
八年级数学试题
一、选择题(每小题 3 分,共 30 分) 题号 选项 1、下列计算正确的是( A. 4 3 3 3=1 ) B. 2 3= 5 C. 2 1 2 3 4 5 6 7 8 9 10
10 13
B.
15 13
C.
60 13
D.
75 13
D 5 题图
C
7、矩形一个内角的平分线把矩形的一边分成 3cm 和 5cm,则矩形的周长为(

12、若最简二次根式 a1 2a 5 与 3b 4a 是同类二次根式,则 a ____, b ____ 。
5、 把一副三角板如图甲放置, 其中 ACB DEC 90 ,A 45 ,
13、如图,矩形纸片 ABCD 中,AB=6cm,AD=8cm,在 BC 上
D 30 ,斜边 AB 6 , DC 7 ,把三角板
2 2
1 1 2、计算 4 3 8 的结果是( ) 2 3
A. 3 + 2 B.
3
C.
3 3
D.
3- 2
3、式子
2x 1 有意义的 x 的取值范围是( ) x 1 1 1 A. x 且x 1 B. x 1 C. x 2 2
1 D. x 且x 1 2
E
① ⑤
G
A
④ ③
H
D
4、如图,边长为 a 的正方形 ABCD 绕点 A 逆时针旋转 30° 得到 正方形 A′B′C′D′,图中阴影部分的面积为
形周长的总和为( ) A.48 cm B.36 cm
C.24 cm
D.18 cm
F
B

C
(第 9 题)

2014年秋季学期期中试卷

2014年秋季学期期中试卷

2014年秋季学期期中试卷七年级思想品德试题卷注意:1. 全卷共三大题,32个小题,满分100分,考试时间100分钟。

2. 本科目试卷为闭卷考试,考生只准带考试必用的答题用具进入考场。

3.答题时请将答案书写在答题卡相应位置处,考试结束时只交答题卡。

一、单项选择题(下列各题的四个选项中只有一个是最符合题意的答案,请选出字母代号并将其填写在答题卡相应位置处。

每小题2分,共50分)1.进入中学,一切都是陌生的,为了尽快适应新的环境,取得好的成绩。

以下建议中你认为不合适...的是()A.尽快了解新学校B.尽快认识新的同学,建立新的友谊C.尽快熟悉新的老师,融入新的集体D.不管环境如何,只有埋头学习,就一定能取得好成绩2.小学六年的美好时光已悄然流逝,当我们怀揣着美好的希冀,漫步在中学校园时,激动的心情难以隐藏。

这是因为()A.从小学到中学是每个人一生的起点B.从小学到中学是每个人理想的实现点C.从小学到中学是每个人人生道路上的重要跳跃D.中学生活是小学生活的延续3.由于七年级小明同学的学习成绩差,父母便要求他到沿海某地工厂打工,老师也劝其退学。

对此,下列说法正确的是()A.父母的做法可以理解B.小明同学的学习成绩差,会影响班级的整体成绩,所以老师的做法也可以理解C.老师不可以劝其退学,只可劝其转学D.小明接受义务教育的权利受法律保护,任何人都不能剥夺4.七年级(2)班的王刚同学自进入初中以来,在老师和同学的帮助下,改正了许多小学阶段的陋习,能够按学校的要求规范自己,并且成绩有了很大提高。

下列说法错误..的是()A.王刚面对学校的要求,懂得自我约束B.上初中的王刚能够管住自己C.王刚想得到老师的表扬才这样做的D.王刚能够克服缺点5.生活中存在各种各样的诱惑,诱惑就像糖果一样吸引着我们。

有时,我们快被诱惑淹死了,面对诱惑,我们要做的是()A.尝试一下,放松放松,也无妨B.顺其自然,不能太“克制”自己C.首先要管住自己,并敢于向不合理的要求说“不”D.多学习6.对我们来说,初中生活是一种全新的生活,和小学相比,有了许多新的感觉和新的体验。

2014学年六年级数学期中试卷与参考答案

2014学年六年级数学期中试卷与参考答案

2014学年第一学期六年级期中考试数学试卷 (考试时间90分钟,满分100分) 一、填空题:(本大题12题,每题2分,满分24分) 1.正整数中,最小的奇素数是_________; 2.511的倒数是_________; 3.能同时被2、5整除的最小两位数是_________; 4.用分数表示95÷的商是_________; 5.分解素因数:=15 __________; 6.分母是12的所有最简真分数的和是 ___________; 7.写出一个大于32且小于 43的最简分数:_______________; 8.比较大小:32____54(填“>”或“<”). 9.85千克的53是_________千克; 10.三个橙子的平均分成四份,那么每一份是一个橙子的_________(用分数表示); 11.方程35=x 的解是___________; 12.已知两个数是互素,且它们的积是24,这两个数可以是____________. 二、选择题:(本大题共6题,每题3分,满分18分) 13.下列说法中错误的是( ) (A )如果整数a 是整数b 的倍数,那么b 是a 的因数; (B )一个合数至少有3个因数; (C )在正整数中,除2外所有的偶数都是合数; (D )在正整数中,除了素数都是合数. 14.六(1)班男生人数是女生人数的54,那么女生人数是全班人数的( ) (A )51; (B )45; (C )94; (D )95. 15.分数1971介于两个相邻的整数之间,这两个整数是( ) (A )2和3; (B )3和4; (C )4和5; (D )5和6.学校______________ 班级_________________ 姓名________________ 学号_______________ …………………………………………密○…………………………………………封○………………………………线○……………………………………16.已知有10包相同数量的饼干,如果将其中1包饼干平分给23名学生,最后剩3片,如果将此10包饼干平分给23名学生,那么最少剩下的饼干的片数是( )(A )1; (B )3; (C )7; (D )10.17.“已知一个数的43是16,求这个数”,下列四个算式中,表达正确的是( ) (A )3416÷; (B )3416⨯; (C )1643÷; (D )4316⨯. 18.如果a 和b 是两个正整数,且a b 3=,那么a 和b 的最小公倍数是( )(A )3; (B )a ; (C )b ; (D )ab .三、简答题:(本大题共4题,满分48分)19.(满分4分)如图,在数轴上用点A 和点B 表示431和3,再写出点C 、点D 表示的数。

2014年下八年级数学期中测试卷

2014年下八年级数学期中测试卷

2014年下八年级数学期中测试卷一、选择题(每题3分共30分)1.下列计算错误的是( )A .22a b a b +=+B .3223x y x x y y = C .1a b b a -=-- D .123c c c+= 2. 在等腰△ABC 中, ∠A 的相邻外角是70°,则∠B 为( )A.70°B.35°C.110或35°D.110°3.已知一个等腰三角形的两边长分别是2和5,那么这个等腰三角形的 周长为( )A. 9B. 12C. 9或12D. 74、计算:329632-÷--+x x x x 的结果为( ) A.1 B.33+-x x C.33-+x x D.33+x x 5、若方程141142-=-++x x k x 有增根,则=k ( ) A .0 B.1 C.-1 D.±16、已知分式32--x x 与分式11-+x x 的值相等,则X=( ) A.1 B.2 C.3 D.57、已知04422=+-b ab a ,则ba b a +-的值等于 ( ) A. 31- B.b 31- C. 31 D.b31- 8、下列命题中的真命题是 ( )A 锐角大于它的余角B 锐角大于它的补角C 钝角大于它的补角D 锐角与钝角之和等于平角9、下列图形中具有稳定性的是 ( )A.正方形B.长方形C.梯形D.直角三角形10. 如图,某同学把一块三角形状的玻璃打碎成了三块,现在要到玻璃店去配一块完全一样 (第10题图) 的玻璃,那么最省事的方法是带③去,依据是三角形的全等判定.( )A .SASB .ASAC .SSSD .AAS二、填空题(每小题3分,共30分)11、在△ABC 中,∠A =55°,∠B 比∠C 大25°,则∠B 的度数为 。

12、计算=-÷-2232)()(ba ab 。

13、计算=+--10)20131()14.3(π 。

2014期中

2014期中

注意事项:1.本试卷满分为100 分,考试时间为80 分钟。

2.答卷前先将密封线左侧的项目填写清楚。

3.答案须用黑色字迹的钢笔、签字笔或圆珠笔书写,密封线内不得答题。

★★区2014 年春季学期期中考试八年级英语试题本试卷共81 小题,满分120 分,考试时间120 分钟。

第一部分听力测试(25 分)I. 听句子选择图片:你将听到五个句子。

请根据听到的内容,选出五幅相应的图片。

每个句子后你有5 秒钟的答题时间。

听一遍。

共5 小题,计5 分。

A. B. C.D. E. F.1. 2. 3. 4. 5.II. 听对话回答问题:你将听到六段对话,每段对话之后你将看到一个或几个问题。

请根据听到的对话内容,选择能回答所提问题的最佳答案。

每段对话之后你有5 至10 秒钟的答题时间。

听两遍。

共10 小题,计10 分。

请听第一段对话,回答第6 小题。

( )6. Which kind of food does Tom like best?A. Italian food.B. Indian food.C. Russian food.请听第二段对话,回答第7 小题。

( )7. Where might they hold the food festival?A. On the playground.B. In the meeting hall.C. In a classroom.请听第三段对话,回答第8 小题。

( )8. What will the man have for dinner?A. Italian pizza and juice.B. Dumplings and beer.C. Indian curries and beer.请听第四段对话,回答第9 至第10 两个小题。

( )9. How often does the woman go to McDonald’s?A.Once a week.B. Twice a week.C. Six times a month.注意事项:本试卷分试题卷和答题卡两部分,请将答案答在答题卡上每题对应的答题区域内,答在试题卷上无效。

  1. 1、下载文档前请自行甄别文档内容的完整性,平台不提供额外的编辑、内容补充、找答案等附加服务。
  2. 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
  3. 3、如文档侵犯您的权益,请联系客服反馈,我们会尽快为您处理(人工客服工作时间:9:00-18:30)。

一、简答题
1.画出测试系统的框图,并扼要说明各部分的功用?
2.已知某周期方波的傅里叶级数
)10cos 516cos 312(cos 4)(00 +++=t f f ft A
t x ππππ,试画出其幅频谱图。

3.某复合信号由频率分别为724Hz 、600Hz 、500Hz 、44Hz 的同相正弦波叠加而成。

若要对该复杂信号进行不失真采样,采样频率应如何选取?
4.简述对测试系统静态标定的过程。

5.等截面悬臂梁受力P 和弯矩M 共同作用,问:
1)欲测量弯矩,应该如何布应变片、接桥(半桥)?
2)欲测量轴向力,应该如何布应变片、接桥(半桥)?
二、计算题
已知某一阶测试系统的频率特性为ω
ω2.011)(j j H +=,求输入信号t t t x 20cos 3.02sin )(+=的稳态响应。

三、分析题
1.在对齿轮箱进行故障检测与诊断时,通常会对信号首先进行自相关处理,处理的目的是什么?其理论依据是什么?
2.下面是大型空气压缩机传动装置简图和在减速箱上测得的振动信号波形和频谱,请从频谱上读出信号的特征参数,并判断那一根传动轴是主要的振动源,说明判断依据?
四、设计题
设计一个被轧制过程中铝带厚度的检测系统,选择合适的传感器和调理电路,要求能消除带
材抖动产生的误差。

画出系统框图,并说明工作过程。

相关文档
最新文档