2010-2011学年第一学期期末复习(二)

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统计学期考试题2(附答案)

统计学期考试题2(附答案)

西南财经大学本科期末考试卷课程名称:《统计学》考试学期:2010-2011学年第1学期一.单项选择(每小题1分,共计30分)1.将某产品的质量等级分为一级、二级、三级、四级,这样表示的数据是()。

A.定类尺度 B.定序尺度 C.定距尺度 D.定比尺度2.为了了解我国钢铁行业的景气情况,通常采用的调查方式为()。

A.普查B.抽样调查C.重点调查D.典型调查3.在某校抽取300名同学以调查月平均生活费,以下调查方案中得到的样本中不能对全校同学平均生活费进行估计的是()。

A.从全校同学名册中随机抽取300名同学,对抽取的同学进行调查;B.从全校的所有宿舍中随机抽取75个宿舍,并对宿舍中的全部4名同学进行调查;C.按月生活费将同学分为高、中、低三个档次,并依据每个档次的人数进行样本分配;D.在学校体育馆和图书馆各随机拦访150名同学进行调查。

4.在以下指标中,属于时点指标的是()。

A.GDPB.社会消费品零售总额C.就业人口D.投资总额5.对某省两个市进行抽样调查后,得到甲市的人均可支配收入为35000元,乙市为20000元,标准差甲市为3600元,乙市为2500元,则两个市的人均可支配收入的代表性()。

A.甲市大B.甲、乙市一样C.乙市大D.无法确定6.关于众数的叙述中,不正确的是()。

A.在一个变量数列中,众数是唯一的 (双众数!!!)B.在正偏分布中,众数小于均值和中位数C.对于定距、定类、定序尺度数据,一般都可以求众数D.众数是出现概率最大的变量值7.以下是一个收入调查数据形成的分布数列,最后一组的组中值可视为()。

A.11000B.12500C.14000D.无法计算8.在第7题中,可以根据分布数列计算出收入的众数是()。

A.40B.80C.5000D.52509.在下列调查方式中,不可能存在代表性误差的是()。

A.重点抽样B.街头随访C.普查D.随机抽样10.在抽样调查中,想要使抽样平均误差减小1/4,样本量应该()。

民法学(含答案)

民法学(含答案)

对外经济贸易大学远程教育学院2010-2011学年第一学期《民法学》期末考试大纲本复习大纲适用于本学期的期末考试,所列题目为期末试卷试题的出题范围。

本次期末考试题型分为三种:名词解释、简答题、论述题名词解释(5个,每个6分)占30%,简答题(2个,每个20分)占40%,论述题(1个,30分)占30%。

期末复习思考题一、名词解释1. 按份之债2.意思表示 3表见代理 4.时效 5.质权6. 典权7. 法人8.请求权9.留置权 10.承诺 11. 民事法律行为12. 诉讼时效的中断 13. 禁治产人 14.不当得利 15.孳息 16.质权 17.无因管理18.法律行为 19.抵押权 20.要约 21,承诺 22紧急避险23.民事法律关系 24. 诉讼时效 25.不可抗力 26,无权代理 27, 缔约过失责任28. 提存 29. 不安抗辩权 30.形成权二、简答题1.简述表见代理的构成要件2. 简述宣告失踪的构成要件3.民法的基本原则有哪些?4.我国自然人的民事权利能力和民事行为能力是怎样规定的5. 简述债的抵销的构成要件6.民事行为无效的情形有哪些,法律效果如何?7.简述狭义无权代理的构成要件及法律效果。

8.简述物权的效力?9..担保物权的特征是什么?10. 简述效力未定的法律行为及其种类11.抵押权实现的方式有哪些?12. 简述民事法律行为和事实行为的区别13.合同解除的条件有哪些?14.简述不当得利之债的构成要件及效力15. 简述不安抗辩权的构成要件16.简述地役权的概念和内容?17. 简述不当得利的构成要件18.简述债权人撤销权制度19. 简述民事法律行为的成立要件20.简述债的发生原因有哪些?三、论述题1.论述物权法的基本原则2. 论述无权代理和表见代理的关系3.论述遗失物拾得的法律后果4. 论述合同订立的一般程序5. 论述违约责任的构成要件和归责原则各是什么?6.论述效力待定的民事行为7. 论述民事行为和事实行为的区别有哪些8. 论述债的保全制度参考答案1. 按份之债是指两个或两个以上的债权人或债务人各自按照一定的份额(等份或不等份)享有债权或承担债务的债。

英语试题

英语试题

2010-2011学年度第一学期期末复习题(英语)I.单项选择(20×1′)1.He suggested __.A.to hire a carB.of hiring a carC.we hired a carD.our hiring a car2.china’s entry into WTO has a great influence __every Chinese.A.toB.uponC.inD.with3. __he said about the news is hard to belive.A.ThatB.ItC.WhatD.Whether4.29 free medical services are __to nearly all the collage students in China.A.favoriteB.availableC.convenientD.average5.In nearly every country ,there always exists a(n) __gap between the old and the young.A.generationB.dynastyC.timeD.ounce6.I am a new __.I was hired yesterday.A.employerB.employeeC.employmentD.employ7.Your __to teaching is different from mine.A.thinkingB.approachC.fuelD.lump8.They guaranteed our victory and __our victory helped them a lot.A.on turnB.in turnsC.in turnD.in return9.Isn’t it about time we __our lunch?A.haveB.would haveC.will haveD.had10. __opposite to the teacher,he felt very nervous.A.SeatedB.SatC.SeatingD.Being sat 11.Other things __eual,iron heats up faster than aluminum.A.beB.beingC.isD.are12.Please remind me __my meeting with Jones.A.ofB.inC.forD.to13.The__for the new city hall has been chosen.A.sightB.sighC.siteD.seat14.One meter__1,000 millimeters.A.equals toB.is equaledC.equalsD.equals with15. __is worth doing is worth doing well.A.ThatB.WhatC.ThoseD.Which16.It’s reported __the Chinese team has won another gold medal in swimming.A.whatB.whichC.asD.that17.Alice told me that she preferred singing __.A.to dancingB.than dancingC.to danceD.for dancing18.If he __tourists for his business,he would have had to close his shop.A.depends onB.had depended onC.depends withD.had depended with19.The policeman asked the witness to __to mind exactly what happened.20.There was nothing we could do __ .A.but waitB.except to waitC.only to waitD.but waiting21. __the interruption,he wasn’t able to finish his exercise before the class was over.A.Instead ofB.Despite ofC.Because ofD.In site of22.I love classical music; __,I rarely have time to enjoy it recently.A.in additionB.howeverC.whereverD.therefore23.As director of the company,I can’t __three weeks away from work.A.affordB.carryC.costD.pay24.“Why did you come to lunch so early?”“I thought the bell had already __.”A.knockedB.hitC.strokeD.rung25.A better learning environment improves students’performance, __good marks.A.because ofB.henceC.thereforeD.accordingly26.It is necessary to build modern power stations which will produce electricity as __as possible.A.efficientB.effectiveC.efficientlyD.inefficient27.No two people in the world see things exactly __.A.alikelyB.likeC.likelyD.alike28.The book is __more difficult than the one I recommended to you.A.veryB.soC.ratherD.much29.It was beside the gate __Tom saw something unusual.A.whereB.whenC.andD.that30.May I have a word with you __of the lesson?A.in the endB.to the endC.on the endD.at the end31.The weather in Guilin is __that in San Francisco.A.the same asB.alikeC.sameD.similar to32. __the heavy snow,they would have arrived at the meeting place on time.A.Because ofB.But forC.Due toD.Despite33.She gazed at the tiny__of the candle.A.flameB.fireC.burningD.burst34.I suggest you have your speech __so that the audience will not be bored.A.shortenB.to be shortenC.shorteningD.shortened35.__the difficulties that we may face, we’ll go on with the project.A.GivenB.In spite ofC.Thanks toD.Because of36.When can you get the book __into Chinese?A.translateB.translatedC.translatingD.to be translated37.They__two major snowstorms so far this winter.A.hadB.haveC.have hadD.had had38.__his parents’ disagreement,he married his beloved girl.A.Now thatB.Because ofC.DespiteD.Although39.The fireman reached the top floor__a long water pipe.A.with the purpose ofB.on account ofC.by means ofD.in the course of40.I’d like to__your essay with you when you have time.II.选词填空opportunity amazing entrance physical achieve average generation environment general influence guarantee immigrant1.You will never anything if you spend your time that way.2.What is the impression the city makes on you?3.A child’s character is greatly influenced by his home .4. The antiques have been passed on from one to another.5.He is an student in his class.6.This new mobile phone is to work for five years.7.I’m glad to have had the to talk to you.8.I can’t find the to the building.9.It was that the boy could solve the problem so quickly.10.Playing basketball is a form of exercise.discourage challenge suitable quit expectation automatic motivation reach accomplish fit effective disappoint1.The first step to a goal is to make a plan.2.The job is a really one.It requires much imagination.3.He is so used to driving that it has become .4.The stronger the ,the more likely it will be that a person will succeed.5.All of Martin’s friends6.Students who drop out of school must lower their of success.7.Although the task is very difficult ,we are not going to .8.They are meeting in London in an attempt to an agreement.9.I am sorry to you,but I cannot take the job.10.You have to keep your promise:to spend the fund in the most way.association exactly type military evidence ancient popularity excitement townspeople shorten include law1.So far we have not been able to find any to support this idea.2.Nobody can tell just how the Egyptians built the pyramids.3.The government has introduced some new4.The reply he gave was what they wanted to hear.5.The has taken control of the government.6.This hairstyle was ’s.7.Is this service in the bill of the hotel?8.In their ,the crowd cheered loudly.9.Please tell him to it to a 400-word report.10.CSSA stands for Chinese Students and Scholars .wonder obviously attitude benefit solution successfully response impression immediate sympathy acceptance human1.The place didn’t leave much of an on me because if was dark when we drove by.2.He is starting to whether he did the right thing in accepting this job.3.We haven’t found the yet,but I’m sure we’re on the right track.4.He was upset.He didn’t come out of his room for hours.5.This project will the residents in this area.6.They have launched a man-made satellite.7.I was very happy to receive the letter of from the collage.8.She did mot to my letter.9.It’s not his work that bothers me;it’s his .10.Thank you for your attention to this problem.III.连词成句It is becoming more and more common for the top students in American schools and collages to be the ones with the Asian faces.1. important; old people; keep blood pressure;under control2. necessary; him; learn English wellAsian-Americans had an average score of 1,091,while white students had an average of 1,068,Hispanics 922,and blacks 864.3.I like tea; she likes coffee4.starve; some people; waste food; many other peopleIt isn’t just being Asian,however,that guarantees such amazing test scores.5.the poor; lead a miserable life6.make a person successful; hard workThis theory,though interesting,is not supported by the facts.7.this dress; beautiful; suitable for; youfortable; this house; big enough; for the three of usThey set goals by asking themselves three basic questions.1.show; a short video; start the meeting2.greet; shake hands; each otherThe goal should not be too essy,but also should not be too difficult to reach.3. the contract; long; short4. large; small; a suitable houseIt is important to see progress being made.5. the goal; it is his expectation; be accomplished6.I can’t bear; him be treated; like thatWhatever the case may be,a temporary failure does not mean there is no hope.7.give up; you shouldn’t; happens8.don’t get frightened; problems; you come acrossTitanic was built not only to transport people but also to carry meat and mail between America and England.1.meet the students’ needs; meet the needs of professionals; the cause2.environmental protection; good for the modern world; future generationsBecause of the shortang of lifeboats on the Titanic,lives were lost.3.his flight; delayed; bad weather4.their plan; failed; lack of moneyIt’s only too bad that more lives could not have been savedin that fateful night.5.the outing; we have to put off; because of the rain6.we can’t; watch the World Cup finals; because; have to work on MondayMore libes could not have been saved on that fateful night.7.lend you more money; buy a new house; if I hadn’t just8.if it hadn’t been; for the traffic; arrive on timeIV.翻译1. 他高考失利,很大程度上是由于粗心大意。

2010-2011年第1学期大学物理(二)试卷B卷

2010-2011年第1学期大学物理(二)试卷B卷

滁州学院2010/2011学年度第一学期期末考试试卷非物理专业(本科)2009级《大学物理》B 卷(时间120分钟)一、选择题(每小题3分,共30分)1、如图,在点电荷q 的电场中,选取以q 为中心、R 为半径的球面上一点P 处作电势零点,则与点电荷q 距离为r 的P'点的电势为( )(A) r q04πε (B) ⎪⎭⎫⎝⎛-R r q 1140πε(C) )(40R r q-πε (D) ⎪⎭⎫ ⎝⎛-r R q 1140πε2、图示一均匀带电球体,总电荷为+Q,其外部同心地罩一内、外半径分别为1r 、2r 的金属球壳.设无穷远处为电势零点,则在球壳内半径为r 的P 点处的场强和电势为:() (A)rQ U r Q E 0204,4πεπε==.(B) 104,0r QU E πε==(C) r QU E 04,0πε==.(D) 204,0r QU E πε==3、如图所示,流出纸面的电流为2I ,流进纸面的电流为I 。

则对于图中的L 1、 L 2、 L 3、 L 4回路,下述各式哪一个是正确的?( )(A )⎰=⋅→→12L I l d H (B )⎰=⋅→→22L I l d H(C )⎰=⋅→→3L I l d H (D )⎰=⋅→→42L I l d H4、无限长的直导线在A 点弯成半径为R 的园环,则当通以电流I 时,园心O 处的磁感应强度大小等于:( )()R IA πμ20()R IB 40μ ()0C ())11(20πμ-R I D5、平行板电容器,量板间距d ,面积S ,介质介电常数ε,每板带电Q ,面密度σ,则电容器电容为( )A 、d QS C =B 、d SC σ= C 、d S C ε=D 、dC εσ=6、某种介质放在空气中,它的起偏振角为600,则其折射率为( ):(A )33;(B )3;(C )32;(D )33。

7、两偏振片堆叠在一起,一束自然光垂直入射其上时没有光线通过,当其中一偏振片慢慢转动1800时透射光强度发生的变化为( )(A )光强单调增加; (B )光强先增加,后又减小至零; (C )光强先增加,后减小,再增加;(D )光强先增加,然后减小,再增加,再减小至零。

二、单项选择, 从A、B、C、D四个选项中选出可以填

二、单项选择, 从A、B、C、D四个选项中选出可以填

北海市2010---2011学年度第一学期期末教学质量测查卷八年级英语(满分100分,考试时间90分钟)一.听力部分(20分)I. 听句子,选择与句意相符的图片。

(每小题1分,共5分)A B C D E1.________2. _________3._________4. _________5.__________ II. 听句子,选择正确答语。

(每小题1分,共5分)( )6. A. Yes, he does. B. At eight o’clock. C. Eight hours.( )7. A. Basketball. B. English. C. White.( )8. A. Every day. B. No, she doesn’t. C. She goes to the library. ( )9. A. Juice. B. Yes, please. C. Thanks a lot.( )10. A. Yes, I am. B. No, I don’t. C. Yes, it is.III. 听对话,选择最佳答案。

(每小题1分,共5分)( )11. How did John go to school yesterday?A. By bus.B. By bike.C. On foot.( )12. Does Susan have a bike?A. Yes, she does.B. No, she doesn’t.C. Sorry, I don’t know. ( )13. How does Jack go to the library?A. By bus.B. By bike.C. By subway.( )14. Where is East Hospital?A. It’s on Green Street.B. It’s in front of Center Restaurant.C. It’s in front of Green Restaurant.( )15. How far is it from Al an’s house to school?A. Two miles.B. Three miles.C. Four miles.IV. 听短文,选择最佳答案。

高等数学期末考试试题及答案(大一考试)

高等数学期末考试试题及答案(大一考试)

五、设函数由方程确定,求.(8分)六、若有界可积函数满足关系式,求。

(8分)七、求下列各不定积分(每题6分,共12分)(1).八、设求定积分。

(6分)九、讨论函数的单调区间、极值、凹凸区间和拐点坐标.(10分)十、求方程的通解(6分)十一、求证:.(5分)第一学期高等数学(上)(A)卷分标准题3分,共15分)2。

B 3。

D 4。

B 5.D分,共18分)为任意常数),4. 2 , 5。

6。

分 (6)分解:………………3分…………….6分 (8)导 (3)数)…………6分分解:(1)。

……。

.3分 (6)分分=……………6分时有极大值2,有极小值。

在上是凸的,在上是凹的,拐点为(0,0)………10分十、解;…………………..3分设方程(1)的解为代入(1)得………5分…………………….6分十一、证明:令………………1 分又…。

3分的图形是凸的,由函数在闭区间连续知道最小值一定在区间端点取到。

,所以…………。

5分.(2010至2011学年第一学期)一、单项选择题(15分,每小题3分)1、当时,下列函数为无穷小量的是( )(A)(B) (C)(D)2.函数在点处连续是函数在该点可导的()(A)必要条件(B)充分条件(C)充要条件(D)既非充分也非必要条件3.设在内单增,则在内()(A)无驻点(B)无拐点(C)无极值点(D)4.设在内连续,且,则至少存在一点使()成立。

(A)(B)(C)(D)5.广义积分当( )时收敛。

(A) (B) (C)(D)二、填空题(15分,每小题3分)1、若当时,,则;2、设由方程所确定的隐函数,则;3、函数在区间单减;在区间单增;4、若在处取得极值,则;5、若,则;三、计算下列极限.(12分,每小题6分)1、2、四、求下列函数的导数(12分,每小题6分)1、,求2、,求五、计算下列积分(18分,每小题6分)1、2、3、设,计算六、讨论函数的连续性,若有间断点,指出其类型。

(7分)七、证明不等式:当时,(7分)八、求由曲线所围图形的面积。

2010-2011学年第一学期期末复习篇

2010-2011学年第一学期期末复习篇
降……当价格上涨……)
调节生产要素的投入。
(当生产要素价格下降…… 但是干要素价格上升……
生产效率
价值规律的内容
价值规律的影响
(2)结合材料说明,生活必需品价 格上涨较快,会对社会带来什么影 响?(4分)
• (2)会给人们的生活带来影响。(1分) • 价格变动会引起需求量的变动,但生活必 需品物价上涨较快,虽然会影响人们的购 买力和消费量,却不会导致消费者对其需 求量的急剧减少,只会使人们增加消费支 出,降低人民生活水平。(3分)
收入分配与社会公平
收入分 配公平 是什么? 为什么?
**在收入分
配中如何处理 两者的关系
效率:
是什么? 为什么?
既有矛盾 又有一致性
**如何实现?
一个制度保证 两个举措
**如何处理
(2)要解决漫画所反映的问题,你觉 得政府应该采取哪些相应的制度和 举措呢?(6分)
• ①坚持和完善按劳分配为主体、多种分配方式并存 的分配制度,为我国实现社会公平、形成合理有序 的收入分配格局提供重要的制度保证。(2分) • ②提高居民收入在国民收入分配中占合理比重、劳 动报酬在初次分配中占合理比重,努力实现居民收 入增长和经济发展同步、劳动报酬增长和劳动生产 率提高同步,是实现社会公平的重要举措。(2分) • ③再分配更加注重公平是实现社会公平的另一重要 举措,合理运用财政、税收、社会保障等手段。 (2分)
答案
题号
答案
题号
答案
• 41. 2010年7月份以来,受国内外多种 因素影响,以农产品为主的生活必需品 价格上涨较快,价格总水平逐月攀升, 衡量人们生活水平的重要指标恩格尔系 数在不断上升。
• (1)影响农产品价格的因素有哪些?(4分) • (2)结合材料说明,生活必需品价格上涨较快, 会对社会带来什么影响?(4分)

昆明第一中学2010-2011 学年度上学期期末考试(2011.1)高二物理

昆明第一中学2010-2011 学年度上学期期末考试(2011.1)高二物理

昆明第一中学2010-2011学年上学期期末考试高二理科物理试卷命题:孙彪工作室 审题:孙彪试卷总分:100分 考试时间:100分钟一、选择题(本大题共10小题,每小题4分,共40分.在每小题给出的四个选项中,有的小题只有一个选项正确,有的小题有多个选项正确. 全部选对的得4分,选不全的得2分,选错或不答的得0分.)1.一平行板电容器的两个极板分别与一电源的正负极相连,在保持开关闭合的情况下,将电容器两极板间的距离增大,则电容器的电容C 、电容器所带电量Q 和极板间的电场强度E 的变化情况是A.C 、Q 、E 都逐渐增大B. C 、Q 、E 都逐渐减小C.C 、Q 逐渐减小,E 不变D. C 、E 逐渐减小,Q 不变2.如图1所示的电路中,电源的电动势为E ,内阻为r 。

当可变电阻的滑片P 向b 移动时,电压表V 1的示数U 1与电压表V 2的示数U 2的变化情况是A .U 1变小,U 2变大B .U 1变大,U 2变大C .U 1变小,U 2变小D .U 1变大,U 2变小3.如图2所示的逻辑电路,要使输出端Y=1,则输入端A 、B 、C 可能分别为A.1, 0, 1B.1, 0, 0C.0, 1, 0D.0, 1, 14.关于磁感应强度的概念,以下说法中正确的有A .电流元IL 在磁场中受力为F ,则磁感应强度B 一定等于ILF B .电流元IL 在磁场中受力为F ,则磁感应强度可能大于或等于IL F C .磁场中电流元受力小的地方,磁感应强度一定小D .磁场中某点磁感应强度的方向,与电流元在此点的受力方向相同5.两个相同的圆形线圈,通以方向相同但大小不同的电流I 1和I 2,如图3所示。

先将两个线圈固定在光滑绝缘杆上,问释放后它们的运动情况是A .相互排斥,加速度大小相等B .相互排斥,电流大的加速度大C .相互吸引,加速度大小相等D .相互吸引,电流大的加速度大图 1 图2 图3图5 图66.条形磁铁竖直放置,闭合圆环水平放置,条形磁铁中心线穿过圆环中心,如图4所示,若圆环为弹性环,其形状由Ⅰ扩大变为Ⅱ,对圆环内磁通量变化的情况以下判断正确的是 A.磁通量增大 B.磁通量减小C.磁通量不变D.条件不足,无法确定7.电场中一条电场线如图5所示,一电子从a 点由静止释放,在电场力作用下沿直线向b 运动,其速度—时间图象如图6所示,则下列说法正确的是A.该电场一定是匀强电场B.场强a E 一定小于b EC.电子具有的电势能pa E 一定大于pb ED.b 点的电势一定高于a 点的电势8.电流表的内阻是R g =200Ω,满刻度电流值是I g =500微安 ,现欲把这电流表改装成量程为1.0V 的电压表,正确的方法是A .应串联一个0.1Ω的电阻B .应并联一个0.1Ω的电阻C .应串联一个1800Ω的电阻D .应并联一个1800Ω的电阻9. 两个相同的金属小球,带电量之比为1/7 ,相距为r ,两者相互接触后再放回原来的位置上,则它们的静电力可能为原来的( )A .4/7B .3/7C .9/7D .16/710.如图7所示,虚线a 、b 、c 代表电场中三个等势面,相邻等势面间的电势差相等,实线为一带正电的质点仅在电场力作用下通过该区域时的运动轨迹,P 、Q 是这条轨迹上的两点,据此可知A .三个等势面中,a 等势面的电势最高B .带电质点通过P 点时电势能较大C .带电质点通过P 点时的动能较大D .带电质点通过P 点时的加速度较大二、填空题(本题共4小题,每小题4分,共16分)11.如图8所示,直线A 为电源的伏安特性曲线,直线B 为电阻R 的伏安特性曲线,用该电源和该电阻组成一个闭合电路,则电源的输出功率为______W ;电路的总功率______W12.如图9所示,带电荷量分别为+Q 和-Q 的两个点电荷a 与b相距L ,在a 与b 间放置一个原来不带电的导体P.当导体P 处于静电平衡状态时,感应电荷在a 、b 连线的中点c 处(c 在导体P 内)产生的电场强度大小为______,方向为______ 图7 图8图4 图913.质子和α粒子由静止出发经同一加速电场加速后沿垂直磁感线方向进入同一匀强磁场,在磁场中轨道半径之比为__________,运动周期之比为______________(质子的电荷量为e, α粒子的电荷量为2e, α粒子的质量为质子的4倍)14.如图10所示,带电小球从H 高处自由下落,进入一个匀强电场与匀强磁场互相垂直的区域,磁场方向垂直纸面,电场强度为E ,磁感应强度为B ,已知小球在此区域内做匀速圆周运动,则圆周的半径R= 。

09计1、2flashCS3期末考试题(统考)

09计1、2flashCS3期末考试题(统考)

09计1、2flashCS3期末考试题(统考)2010-2011学年第一学期《FLASH CS3》期末考试题学号:_________________班级:_________________姓名:________________一、单项选择题:(每题1分,共40分)1、Flash舞台尺寸最小为:()A、1×1像素B、2×2像素C、550×400像素D、800×600像素2、删除帧的正确操作是:先选中帧,再()A、单击“编辑/剪切帧”B、单击“插入/移除帧”C、按“Delete”键D、按“Backspace”键3、不修改时间轴,对下列()参数进行改动可以让动画播放的速度更快些?A、alpha值B、帧频C、填充色D、边框色4、Flash影片频率最大可以设置到多少?()A、99B、100C、120D、1505、下列()不算按钮元件的帧?A.弹起B. 按下C. 动画D. 指针经过6、下列()工具可以把当前颜色设为舞台上某个特定的图形的颜色?A、滴管工具 B选择工具 C、刷子工具 D、放大镜工具7、要制作写字效果,下列()的操作是必需的?A. 插入空白帧B. 清除帧C.清除关键帧D. 翻转帧8、fla文件不能转换为()文件?A. gifB. swfC.htmlD. psd9、画地球绕太阳转时,应该用到()图层较为方便?A、遮罩层B、运动引导层C、普通层D、哪个层都可以10、仅进行下边两个操作:在第一帧画一个月亮,第10处按下F6键,则第5帧上显示的内容是()A、一个月亮B、空白没啥东西C、不能确定D、有图形,但不是月亮11、元件与导入到动画中的图片文件,一般存储在()面板上?A、属性面板B、滤镜面板C、对齐面板D、库面板12、下边()面板可以设置文本大小?A、对齐面板B、库面板C、属性面板D、动作面板13. 下面()面板可以用来旋转图形?A.变形面板B.对齐面板C.属性面板D. 参数面板14.打碎的点阵图()A、是矢量图,能编辑B、不是矢是图,能编辑C、是矢量图,不能编辑D、不是矢量图,不能编辑15. Alpha是()A.透明度或不透明度B. 浓度 C、厚度 D、深度16. 默认的Flash影片帧频率是:()A、10B、12C、15D、2517. 要制作三角形慢慢变为心形,应用()补间?A.动画补间B. 形状补间C. 两种都可以D. 两种都不可以18. 一个动画有两个图层,图层一是幅风景画,图层二是一个红色五角星,图层二为遮罩层,图层一为被遮罩层,则最终看到的效果是()A、看到红色的五角星B、看到里边是风景画的五角星C、看到整个风景画D、看到整个风景画与红色五角星19.Flash是一款()制作软件A、图像B、矢量图形C、矢量动画D、非线性编辑20.场景又称(),是编辑图像的场所A、舞台B、库C、工作区D、幕21、按钮元件的四帧中,哪一帧对应的区域在swf文件中不可见?()A、第一帧B、第二帧C、第三帧D、第四帧22、按()键可以将文本打散A、Ctrl+AB、Ctrl+BC、Ctrl+CD、Ctrl+D23、绘制直线时按住()键,可以绘制出水平直线?A、ShiftC、Alt+ShiftD、Del24、下列不属于Flash文本类型的是:()A、静态文本B、动态文本C、输入文本D、输出文本25、“编辑”菜单中有三种不同的粘贴命令,其中可以将复制的对象粘贴到原位置的是:()A、粘贴到中心位置B、粘贴到当前位置C、选择性粘贴D、粘贴26、Flash中最多可以使用()个形状提示A、10B、26C、36D、4627、编辑位图图像时,修改的是:()A、像素B、曲线C、直线D、网络28、要选择连续的多个帧,可以配合()键进行选取A、CtrlB、ShiftC、AltD、Del29、构成Flash动画的基本元素是:()B、图像C、字体D、帧30、在时间轴中动作补间用什么颜色表示?()A、蓝色B、红色C、绿色 D、黄色31、下列哪个不是Flash可以设置的字体属性?()A、字体B、样式C、颜色D、行间距32、Flash内嵌的脚本程序是:()A、ActionScriptB、VBScriptC、JavaScriptD、Jscript33、可以用来使动画或动画中某一个影片剪辑跳转到指定的帧的脚本语句是:()A、getURLB、tellTargetC、gotoD、tscommand34、打开动作面板的快捷键是:()A、F8B、F9C、F10D、F1135、以下各种关于图形元件的叙述,正确的是()A. 可用来创建可重复使用的,并依赖于主电影时间轴的动画片段B. 可用来创建可重复使用的,但不依赖于主电影时间轴的动画片段C. 可以在图形元件中使用声音D. 可以在图形元件中使用交互式控件36、在测试动画时Flash自动发布的播放文件的后缀是:()A、swtB、flaC、swdD、swf37、Flash不能导入下列哪种格式的视频文件?()A、MOVB、AVIC、MPEGD、ASF38、插入关键帧的快捷键是:()A、F6B、Ctrl+F6C、F7D、Ctrl+F739、要拷贝对象并移动副本,可以按住:()A、CtlrB、AltC、ShiftD、Space40、以下关于使用元件的优点的叙述,正确的是:()A. 使用元件可以使电影的编辑更加简单化B. 使用元件可以使发布文件的大小显著地缩减C. 使用元件可以使电影的播放速度加快D. 以上均是二、多项选择题(每题2分,共20分)1、将位图转换为矢量图有()和()两种方法A、打散B、转换位图为矢量图的命令C、组合D、重新描绘2、Flash中有哪三种类型的文本?A、静态文本B、动态文本C、输入文本D、输出文本3、隐藏图层和锁定图层之间有何区别?A、隐藏图层中的对象不可见,也不可见编辑B、隐藏图层中的对象不可编辑,但可见C、锁定图层中的对象不可编辑,但可见D、锁定图层中的对象不可见,也不可编辑4、补间动画分为哪两种?A、逐帧动画 B、形状动画 C、动作动画 D、引导层动画5、在Flash中,移动对象可以有以下方法:()A、在舞台上选中之后直接拖动B、通过剪切和粘贴将对象从一个地方移动到另外一个地方C、使用方向键移动D、在信息面板中指定对象的精确位置6、在Flash中,有两种类型的声音:()A、事件声音B、流式声音C、数字声音D、模拟声音7、在Flash中能够创建的元件类型主要有哪三种?A、图形B、按钮C、动画D、影片剪辑8、库面板用于存放文档中用到的元件,它有()和()两种视图状态A、窄库视图B、窄视图C、宽库视图D、宽视图9、元件的应用使得Flash动画兼具哪两个优点?A、文件小B、效果丰富C、传输速度快D、应用广10、在下列哪些操作系统下,可以通过浏览器播放Flash电影(swf格式的文件)A、DOSB、Windows95C、Windows2000D、RedhatLinux三、判断题(每题1分,共15分)( )1、需要绘制正方形和圆形时,应该在绘制时同时按下ctrl键。

2010~2011学年度第一学期冶金里小学五年级英语期末复习试卷

2010~2011学年度第一学期冶金里小学五年级英语期末复习试卷

2010~2011学年度第一学期冶金里小学五年级英语期末复习试卷___________ 班姓名________________Ⅰ、听力测试。

30%A、听录音选出与录音内容相符的图片。

5%A B CD E F1、________2、________3、________4、________5、________B、听录音选出与录音内容相符的图片。

5%A B CD E F1、________2、________3、________4、________5、________C、听录音选出正确答语。

5%()1、A、Jim has short hair and a small mouth.B、Jim is a quiet and shy boy.C、Jim has black and big mouth.()2、A、Bill can speak a little Chinese.B、Bill is from China.C、Bill has some Chinese friends.()3、A、Mary is a good friend of mine.B、Mary and I are primary student.C、All the friends are good.()4、A、He’s a doctor in a hospital.B、My father works in a bank.C、My father is a fireman.()5、A、That jacket is Susan’s.B、That jacket is Bob’s.C、That jacket is Lucy’s.D、听录音判断下列句子意思是否与听到的内容相符。

5% ()1、A、Her name is Mike.B、His name is Mike.C、My name is Mike.()2、A、It’s a computer.B、My new friend.C、He’s a student.()3、A、I am going to take some pictures.B、I can draw some pictures.C、I will put some pictures away. ()4、A、What is your aunt like?B、What does your aunt do?C、Who is your aunt?()5、A、What colour is the jacket?B、Whose is that jacket?C、Where is the jacket?E、听录音补全信息。

(人教新版)三年级第一学期英语期末复习试卷

(人教新版)三年级第一学期英语期末复习试卷

2010—2011学年第一学期三年级英语期末复习题(一)听 力 部 分一、听录音,选出你听到的字母,将其序号填入括号里。

(10分)( )1. A. p B. q ( )2. A. X B. s( )3. A. t B. p ( )4. A. B B. Q( )5.A. h B. g ( )6. A. z B. s( ) 7.A. u B. w ( ) 8. A. J B. K( ) 8.A. I e B. Y e ( ) 10. A. n m B. m n二、选出你听到的句子(10分) ( )1. A. 我的名字叫迈克。

B.你叫什么名字?( )2. A. 我有一只猫。

B. 我有一只熊猫。

( )3. A. 不用谢。

B.你很棒!( )4. A. 生日快乐!B.教师节快乐!( )5.A. 我有一个大气球。

B.我有一个小气球。

( )6. A. I like hotdogs. B. I like hamburgers.( )7. A. Here ’s a cake for you. B. Here you are.( )8. A. Let ’s draw a panda.B.Let ’s draw a duck.( )9. A. What colour is it ? B. What ’s your name ?( )10. A.I have a new bus. B. I have a new bike三、按所听的内容给下列单词排序(10分) mouse bear banbana apple bus( ) ( ) ( ) ( ) ( ) plane ship birdpink orange( ) ( ) ( ) ( ) ( )四、根据所听内容,给下列句子重新排序(10分)( ) I like bananas. Me too.( ) This is my kite.( ) Let ’s draw a bird. ( ) I have a big balloon.( ) Have a pear.Thanks.笔 试 部 分五、中英文匹配,写序号(10分)(A.) 1. coke 2. ship 3.book 4. ear 5. face6. bag7.doll8. pig9.white 10. cat( )书包 ( )耳朵 ( )猪( )可乐 ( )脸( )书 ( )猫 ( )轮船( )白色 ( )洋娃娃(B)请按顺序默写26个字母(大小写)(5分) C 、请写出下列字母的左邻右舍(第小题1分,共10分) 1.________Cc ________2.________Hh ________3.________Ff________ 4. ________Nn________ 5.________Qq________ 6.________Ll________ 7.________Rr________8.________Uu________9.________Yy________10.________Vv________六、选择正确的译文,写序号(10分)( )1.Good afternoon. A. 早上好。

组织行为学(含答案)

组织行为学(含答案)

对外经济贸易大学远程教育学院2010-2011学年第一学期《组织行为学》期末考试大纲本复习大纲适用于本学期的期末考试,所列题目为期末试题的出题范围.本次期末考试题型分为三种:判断题、单项选择题和情景案例题。

判断题占20%,单项选择题占50%,情景案例题占30%.(答案供参考)一、判断题(正确A错误B)1. 管理者失败的惟一的、最大的原因是糟糕的人际技能。

A2. 对企业家来说,最大的问题是缺乏技术能力。

B3。

现代理论将法约尔的五项管理职能能压缩成四个:计划、组织、命令和控制。

B4. 罗伯特•卡兹认为三个关键的管理技能是:技术技能、人际技能、概念技能。

A5。

根据卢桑斯和他同事的理论,那些最成功的管理者比哪些被认为是最有效的管理者在建立关系网络上花费更多的时间。

A6。

你用非系统性方式学到的任何事情都是不正确的。

B7. 工作队伍的多样化意味着组织在性别、种族和民族方面正在变的更加同一性。

B 10。

一个人的整体能力关键由两部分因素组成:智力和身体能力。

B11。

研究者发现了一组特等的基因,这些基因决定了人出生后的性格。

A12。

当员工的能力和工作匹配度高的时候,他的绩效可以得到提高。

A13。

在体能的某个方面得分高的人总是会在其他方面也得分高.B14。

学习包含着由经验而产生的行为中任何相对持久的变化。

A15。

经典条件反射来自于斯金纳的研究成果。

B16。

塑造行为的一个方法叫做积极强化,它指的是一种反应带来美好的事物.A17。

人们持有的对工作的价值观都是在工作中习得的。

B18。

价值观倾向于稳定和长久。

A19. 总体说来价值观影响态度和行为。

A20. “态度”一词描述了人们对一些事物的感觉倾向和用特定方式进行的行为方式。

A 21。

态度是由三部分组成的:认知、情感和行为。

A23。

工作满意度指的是个体对其工作的总体态度。

B24。

在个体的层面,高满意度总体导致高效率。

A25. 我们所有的成就都是由性格塑造的。

B80。

具有内控点的个体认为自己能够主宰命运.A29. 马基雅维里主义低的个体是实用主义者,他们相信为达到目的可以不择手段。

高中试卷试题复习第一学期五高一物理期末试题

高中试卷试题复习第一学期五高一物理期末试题

然顿市安民阳光实验学校2010——2011学年第一学期五县联考期末考试试卷高一物理一、选择题(共48分。

每小题给出的四个选项中,有的只有一个选项正确,有的有多个选项正确,全部选对得4分,选不全得2分,有选错的得0分)1.以下关于质点的说法正确的是()A.只有体积很小的物体才能被看成质点B.只有质量很小的物体才能被看成质点C.花样滑冰比赛中的运动员可以被看成质点D.研究在平直公路上行驶的汽车的速度时,可将汽车看成质点2. 关于作用力和反作用力正确说法是()A. 必为性质相同的力B. 必为效果相同的力C. 必为大小相等方向相反在同一直线上作用于同一物体的力D. 作用时间必相等3.如右图所示,青铜雕像《马踏飞燕》是汉代艺术家高度智慧、浪漫想象和高超艺术技巧的结晶,是我国古代雕塑艺术的稀世之宝,被誉为中国旅游业的象征.飞奔的骏马三足腾空,只用一只蹄稳稳地踏在飞翔的燕子上,是因为()A.马跑得快的缘故 B.马蹄大的缘故C.马的重心在飞燕上 D.马的重心位置和飞燕在一条竖直线上4.一辆汽车从静止开始由甲地出发,沿平直公路开往乙地。

汽车先做匀加速运动历时t,接着做匀减速运动历时2t,开到乙地刚好停止。

那么在匀加速运动、匀减速运动两段时间内()A.加速度大小之比为3:1B.加速度大小之比为2:1C.平均速度大小之比为2:1D.平均速度大小之比为1:25、甲、乙为两个在同一直线上沿规定的正方向运动的物体,a甲= 4m/s2,a乙=-4m/s2。

那么对甲、乙物体的运动判断正确的是()A、甲的加速度大于乙的加速度B、甲、乙两物体的运动方向一定相反C、甲的加速度和速度方向一致,乙的加速度和速度方向相反D、甲、乙的速度量值都是越来越大6、如图所示,轻质光滑小滑轮两侧用细绳连着两个物体A和B,物体B放在水平地面上,A.B均静止,已知A和B的质量分别为m A.m B,B与地面间动摩擦因数为μ,绳与水平方向的夹角为θ=30°,则()A.物体B对地面的压力可能为零B.物体B受到的摩擦力为μ(m B g-m A gsinθ)C.物体B受到的摩擦力为m A gcosθD.天花板通过斜绳对小滑轮的拉力大于m A g 7.伽利略对自由落体运动的研究,是科学实验和逻辑思维的完美结合,如图所示,可大致表示其实验和思维的过程,对这一过程的分析,下列说法正确的是()A.其中的甲图是实验现象,丁图是经过合理的外推得到的结论B.其中的丁图是实验现象,甲图是经过合理的外推得到的结论C.运用甲图的实验,可“冲淡”重力的作用,使实验现象更明显D.运用丁图的实验,可“放大”重力的作用,使实验现象更明显8、如图所示,两根相同的轻弹簧S1、S2劲度系数都为k=4X102N/m,悬挂重物的质量分别为m1=2Kg,m2=4Kg,取 g=10m/s2,则静止时S1、S2的伸长量分别为()A. 5cm, 10cmB. 10cm, 5cmC. 15cm, 10cmD. 10cm, 15cm9、从同一地点出发的甲乙两物体,沿同一方向做直线运动的速度--时间图象如图所示,则()A两物体两次相遇的时间是1s末和4s末B甲物体总在乙物体前面运动C两个物体在1s末时速度相等D乙物体先向前运动2s,随后向后运动10将一小球从距地面h高处,以初速度v0水平抛出,小球落地时速度为v,它的竖直分量为v y.则下列各式中计算小球在空中飞行时间t正确的是()A.gh/2 B.(v0-v y)/gC.(22vv )/g D.2h/v y11.某实验小组,利用DIS系统观察超重和失重现象,他们在电梯内做实验,在电梯的地板上放置一个压力传感器,在传感器上放一个重量为20N的物块,如图甲所示,实验中计算机显示出传感器所受物块的压力大小随时间变化的关系,如图乙.根据图象分析得出的结论中正确的是:A.从时刻t1到t2,物块处于失重状态B.从时刻t3到t4,物块处于失重状态C.电梯可能开始停在低楼层,先加速向上,接着匀速向上,再减速向上,最后停在高楼层D.电梯可能开始停在高楼层,先加速向下,接着匀速向下,再减速向下,最后停在低楼层12、如图,在光滑的水平地面上固定了两个小桩A和B,斜劈的底边长刚好等于两个小桩的间距,把斜劈放在A、B之间,然后在斜面上放一个物体,以下说法正确的是()A.若物体静止在斜面上,则A、B都不会受到挤压B.若物体沿斜面匀速下滑,则A、B都不会受到挤压C.若物体沿斜面加速下滑,则A受到挤压甲乙ABD .若物体沿斜面加速下滑,则B 受到挤压二、实验题(共18分,请按要求完成下列各题)13、(3分)在使用打点计时器来分析物体运动情况的实验中有如下基本步骤: A 把电火花计时器固定在桌子上 B 安好纸带C 松开纸带,让物体带着纸带运动D 接通220V 交流电源E 按下脉冲输出开关进行打点这些步骤正确的排列顺序为____14、(6分)如图所示为一小球做平抛运动的闪光照片的一部分, 图中背景方格的边长均为5cm ,如果取g =10m/s 2,那么:(1)闪光的时间间隔是________s ;(2)小球做平抛运动的初速度的大小是 m/s ; 15.(9分)在探究“加速度与力、质量的关系”的活动中:(1)某同学在接通电源进行实验之前,将实验器材组装成如图所示.请你指出该装置中两处错误或不妥之处:① ;② 。

人教版七年级(初一)上册语文期末试卷及答案

人教版七年级(初一)上册语文期末试卷及答案

2010-2011学年度第一学期已接近尾声进行期末复习阶段,本网站搜集了关于七年级上册期末复习题4套,希望对你有所用!1)七年级语文(人教版)期末试卷知识广场(共20分)我是纠错专家(共6分)1、改正下面各项书写有误的一个字(2分)A、小心翼翼喧腾禄禄终生问心无愧()B、再接再励贪婪瘦骨嶙峋险象迭生()C、海市蜃楼贮蓄直接宵汉具体而微()D、骇人听闻诀别心旷神怡随生附和()2、改正下面各组注音有误的一处(2分)A.啜泣(chuî)倔强(juâ)迸溅(bâng)猝然长逝(cñ)()B.滑稽(jī)并蒂(dì)虐杀(nuâ)获益匪浅(fěi)()C.伫立(zhñ)懊恼(ào)喑哑(yīn)忍俊不禁(j?ng)()D.篡夺(cuàn)蹂躏(lìn)堕落(duî)苦心孤诣(zh?)()3、下列名人说的话或歌词没有语病的一项是()(2分)A.“浩瀚夜空遥远的角落,挂着一颗蓝蓝的星球缓缓地转动。

”(童安格)B.“我看过他写的一些东西和画。

”(徐静蕾)C.“我要今天格外说说合同。

”(白岩松)D.“我们要在每一个村建一个卫生所,努力做到小病不出村,大病上医院”(温家宝)我是背写能手(6分)4、这是全国著名书法家、篆刻家徐子屏先生的作品,请用现代简化字把这两句诗正确地抄写在下面的田字格里。

(2分)5、这幅书法作品中的两句诗出自东汉政治家、军事家___写的《龟虽寿》一诗,我们在本册还学过他的一首诗,题目是《》,其中借虚景表现作者广阔胸襟的诗句是:________________。

(2分)6、《次北固山下》一诗中,胡应麟说“形容事物,妙绝千古”的诗句是:(2分)7、《繁星》《春水》是___的诗集。

主要内容一是对的歌颂;二是对___的崇拜和赞颂;三是对___的思考和感悟。

(2分)我是运用行家(共8分)8、方阳对刘泽说:“一些人在成为名人后,频繁在媒体亮相,温情脉脉地向你推荐产品,你相信那是真的吗?”刘泽说:“我不信,一些名人说的话,做的宣传都打了折?郭德纲代言的‘藏秘排油茶’广告,刘晓庆代言的‘番茄胶囊’,不都因产品的宣传和功效不符被告上法庭了吗?”方阳说:“唉,名人做广告可不应该随便打折。

最新电大本科小学教育《课程与教学论》试题及答案2

最新电大本科小学教育《课程与教学论》试题及答案2

中央广播电视大学2010-2011学年度第一学期“开放本科”期末考试(半开卷)课程与教学论试题一、填空题(每空1分,共10分)1.复式教学是把两个或两个以上年级的学生编在一个班里,由一位教师分别用不同程度的教材,在同一节课里对不同____ 的学生,采取直接教学和自动作业交替的办法进行教学的组织形式。

2.课程设计的定义可以分为两类:一为——层面上的课程设计,一为具体——层面上的课程设计。

3.课程内容的组织要遵循-----、——-一和一——原则。

4.CIPP模式中的____评价,即要——、解释和——课程方案的成绩,并协助决策者决定课程方案是否应该终止、修正或继续。

5.新课程改革要注重学生发展,贴近---------实际,让学习成为学生喜欢的一种充满生命力的生活方式。

二、选择题(每题2分,共10分)1.分组教学制中对学生的分组主要有( )、外部分组、内部分组等形式。

A.能力分组、作业分组 B.年级分组、能力分组C.作业分组、年级分组 D.能力分组、差异分组2.“课程注重教学的内容,强调传统文化的传递与继承,通常以逻辑组织严密的分科课程的面貌出现”,这是哪一种课程取向?( )A.人本主义取向B.学术理性主义取向C.认知发展取向D.社会重建取向3.将课程的实施看作一个连续的动态过程,人们可以从不同的层次来认识和研究课程实施过程中的调适,使课程在实施过程中达到最佳效果。

这是:( )A.课程实施的忠实观B.课程实施的互动调适观C.课程实施的参与观D.课程实施的生成观4.引导一发现教学模式的操作程序为____——拟定计划——验证假设——总结提高。

( )A.提出问题、建立假设 B.提出问题、寻找答案C.给出概念、建立假设 D.给出概念、理解概念5.教学过程的本质特点是:( )A.教学过程是一个认识过程B.教学过程是一个发展过程c.教学过程是一个交往过程D.上述三者的统一三、简答题(每题5分,共20分)1.综合实践活动的实施必须遵循哪些原则?2.简述教学过程的主要矛盾?3.简述课堂问题行为管理策略的主要内容。

工程量清单计价复习题

工程量清单计价复习题

石河子职业技术学院水建分院2010-2011学年第一学期《工程量清单计量与计价》期末复习题一、名词解释工程量清单计价:是指投标人完成由招标人提供的工程量清单的全部费用,包括分部分项工程费、措施项目费、其他项目费和规费、税金。

综合单价:是指完成工程量清单中一个规定计量单位项目所需的人工费、材料费、机械使用费、管理费和规费,并考虑风险因素.措施项目: 是指为完成工程项目施工,发生于该工程施工前和施工过程中技术、生活、安全等方面的非工程实体项目。

预留金:是指招标人为可能发生的工程量变更而预留的金额。

零星工作项目费:是指完成招标人提出的,工程量暂估的零星工作的费用。

工程量清单的主要表格:工程量清单的编制依据:招标文件及有关规定;工程施工图及有关标准图集;施工现场情况及施工条件;国家规定的统一工程量计算规则、分部分项工程项目的划分、计量单位等。

二、单项选择题1.工程量清单为投标者提供公开、公平、公正的竞争环境,由(B)统一提供。

A.工程标底审查机构B.招标人C.工程咨询公司D.招投标管理部门2.分部分项工程量清单为闭口清单,这是指( D )。

A.投标人若认为清单内容有遗漏可以自行补充B.投标人对清单内容的调整要通知招标方C.投标人可以根据实际情况将若干清单项目合并计价D.未经允许投标人对清单内容不允许作任何更改变动3.在《建设工程工程量清单计价规范》中,其他项目清单一般包括( B )。

A.预备金、分包费、材料费、机械使用费B.预留金、材料购置费、总承包服务费、零星工作项目费C.总承包管理费、材料购置费、预留金、风险费D.预留金、总承包费、分包费、材料购置费4.分部分项工程量清单的项目编码由12位组成,其中的( D )位由清单编制人设置.A.八到十B.九到十一C.九到十二D.十到十二5.编制措施项目清单时,若出现《计价规范》中措施项目一览表未列的项目,编制人(C ).A.不得对措施项目一览表进行补充B.可以考虑将其并人其他措施项目中C.可以对措施项目一览表进行补充D.可以认为其综合在分部分项工程清单中6.投标人应填报工程量清单计价格式中列明的所有需要填报的单价和合价,如未填报则( A )。

2010~2011学年度第一学期期末教学质量检测二(七年级数学)

2010~2011学年度第一学期期末教学质量检测二(七年级数学)

2010~2011学年度第一学期期末教学质量检测二七年级数学试卷注意事项:1、本试卷分第Ⅰ卷(选择题)和第Ⅱ卷(非选择题)两部分。

2、本试卷总分120分,用时100分钟。

命题人:七年级数学组第I 卷(选择题 共36分)一、精心选一选:(每小题3分,共36分)在下列各题的四个备选答案中,只有一个是正确的,请把正确答案的代号写在题后的括号内。

1、|-2|的相反数是( ).A 、-2B 、2C 、12 D 、-122、如图2,四个图形是由立体图形展开得到的,相应的立体图形依次是( ).A 、正方体、圆柱、三棱柱、圆锥B 、正方体、圆锥、三棱柱、圆柱C 、正方体、圆柱、三棱锥、圆锥D 、正方体、圆柱、四棱柱、圆锥 3、有理数100467保留三个有效数字后的近似数是( ).A 、100B 、1.00×105C 、100000D 、1.0046×10 54、单项式-3224c ab的系数与次数分别是( ).A 、632,- B 、732,- C、632, D 、732, 5、下列各对数中,数值相等的是( ).A 、23+与22+ B 、32-与3)2(- C 、23-与2)3(- D 、223⨯与2)23(⨯6、在数轴上表示a 、b 两数的点如图所示,则下列判断正确的是( )A 、a+b >0B 、a +b <0C 、ab >0D 、│a │>│b │ 7、一列长150米的火车,以每秒15米的速度通过600米的隧道,从火车头进隧道口算起,到这列火车尾部驶出隧道所需时间是( ). A 、60秒 B 、30秒 C 、40秒 D 、50秒 8、平面上有任意三点,过其中两点画直线,共可以画( ). A 、1条 B 、3条 C 、1条或3条 D 、无数条 9 ).A B C D 10、把方程17.012.04.01=--+x x 中分母化整数,其结果应为( ) A 、17124110=--+x x B、17124110=--+x x 0C、1710241010=--+x x D、1710241010=--+x x 011、用小正方体搭一个几何体,使它的主视图和俯视图如图9所示,这样的几何体最少需要正方体( )个。

理论力学考试试题

理论力学考试试题
院系:_____________专业:_______________班级:_________学号:___________姓名:_____________
山西师范大学现代文理学院2010——2011学年第一学期期末考试试题(卷)
密封线密封线以内不准作任何标记密封线
XX大学现代文理学院期末考试试题(卷)
1:已知一质点运动时,径向和横向的速度分量分别是 和 ,其中 和 是常数。求出质点的加速度矢量。
2:已知质点按 运动。分别求出质点加速度矢量的切向和法向分量,径向分量和横向分量。
3:将一质量为 的质点以初速率 与水平线成 角抛出,此质点受到的空气阻力是其速度的 倍,这里 是常数。求当此质点的速度与水平线的夹角又为 角所需时间。
4:一质点从一光滑圆柱表面最高点处,自静止自由下滑。问质点滑到何处时将脱离圆柱表面。
20XX—20XX学年第二学期期中测试
年级:级专业:物理考试科目:理论力学
题号








总分
分数
评卷人
复查人
试题格式说明
一:简答题(每小题4分,共20分)
1:什么是质点。
2:写出质心的定义表达式并解释其意义。
3:什么是保守力与非保守力。
4:解释有心运动。
5:说明质点组内力的性质。
二:计算题(每小题20分,共80分)

郑州大学大学英语2009提高班四级读写B

郑州大学大学英语2009提高班四级读写B

郑州大学大学英语读写四级试卷B卷2010---2011学年第一学期期末试题(2011.2)(2011.02)Part I Reading Comprehension (Reading In Depth) (50%)Directions:There are 5 passages in this part. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A), B), C)and D). You should decide on the best choice and mark the corresponding letter onthe Answer Sheet with a single line through the center.Passage OneThe old-fashioned general store is fast disappearing. This is, perhaps, a pity, because shopping today seems to lack that personal element which existed when the shopkeeper knew all his regular customers personally. He could, for instance, remember which brand of tea Mrs. Smith usually bought or what sort of washing-powder Mrs. Jones preferred. Not only was the shop a center of buying and selling, but also a social meeting place.A prosperous general store might have employed four or five assistants, and so there were very few problems in management as far as the staff were concerned. But now that the supermarket has replaced the general store, the job of the manager has changed completely. The modern supermarket manager has to cope with a staff of as many as a hundred, apart from all the other everyday problems of running a large business.Every morning the manager must, like the commander of an army division, carry out an inspection of his store to make sure that everything is ready for the business of the day. He must see that everything is running smoothly. He will have to give advice and make decisions as problems arise; and he must know how to get his huge staff to work efficiently with their respective responsibilities.No matter what he has to do throughout the day, however, the supermarket manager must be ready for any emergency that may arise. They say in the trade that you are not really an experienced supermarket manager until you have dealt with a flood, a fire, a birth and a death in your store.1. The passage mainly tells us ___________.A) the old-fashioned general store is disappearing rapidlyB) a supermarket manager has to deal with problems every morningC) the role of a shop manager has changed a lotD) the old-fashioned general store has replaced the supermarket2. Which of the following statements is NOT true according to the passage?A) There is less personal contact between a supermarket manager and his customers.B) A supermarket manager has more management problems than a general store manager.C) A supermarket manager has to find a way to allow his staff to realize their potential.D) The relationship between the staff and the manager in a supermarket is much closer thanthat in an old general store.3. Mrs. Smith and Mrs. Jones mentioned in the first paragraph are most probably ___________.A) the relat ives of the shopkeeper’sB) the friends of the shopkeeper’sC) the shop assistants of the old general storeD) the regular customers of the old general store4. The supermarket manager is compared to a ___________ according to the passage.A) military officerB) school inspectorC) film directorD) store supervisor5. What conclusion can you draw from the last sentence of the passage?A) As a supermarket manager, one should be able to deal with emergencies.B) Accidents such as a flood or a fire often occur in a supermarket.C) An experienced supermarket manager will surely meet with a flood or a fire in his lifetime.D)An experienced supermarket manager must have dealt with emergencies of one kind oranother.Passage TwoMany of us believe that a pe rson’s mind becomes less active as he grows older. But this is not true, according to Dr. Gates, professor of psychiatry at the University of California. She has studied the mental functioning of aging persons for several years. For example, one of her studies concerns 136 pairs of identical twins, who were first examined when they were already 60 years old. As Dr. Gates continued the study of the twins into their 70s and 80s, their minds did not generally decline as was expected.However, there was some decline in their psycho-motor speed. This means that it took them longer to accomplish mental tasks than it used to. But when speed was not a factor, they lost very little intellectual ability over the years. In general, Dr. Gates’ studies have shown tha t there is no decline in knowledge or reasoning ability. This is true not only with those in their 30s and 40s, but with those in their 60s and 70s as well.It is true that older people themselves often complain that their memory is not as good as it o nce was. However, much of what we call “loss of memory” is not that at all. There usually was incomplete learning in the first place. For example, the older person perhaps had trouble hearing, or poor vision, or inattention, or was trying to learn the new thing at too fast a pace. In the cases where the older person’s mind really seems to decay, it is not necessarily a sign of decay due to old age. Often it is simply a sign of a depressed emotional state.6. According to Dr. Gates’ studies, middle-aged and older persons would expect to ___________.A) lose no intellectual abilityB) remember lessC) learn fewer new thingsD) reason better7. Mental decay due to aging is__________.A) very common among older personsB) much less common than most people believeC) much more common than most people believeD) true with those over 60 or 708. A long-term study of 136 pairs of twins showed that __________.A) their minds became a bit more active as they grew olderB) they lost a little ability to reason over the yearsC) their memory was not as good as it had once beenD) their speed to perform mental tasks reduced over the years9. According to the passage, all the following are instances of “incomplete learning”EXCEPT ___________.A) poor hearingB) learning too many new thingsC) lack of attentionD) bad eyesight10. What we call mental decay is usually a sign of ___________.A) loss of memoryB) old ageC) a low-spirited stateD) nervous tensionPassage ThreeThe food we eat seems to have profound effects on our health. Although science has made enormous steps in making food more fit to eat, it has, at the same time, made many foods unfit to eat. Some research has shown that perhaps 80 percent of cancer is related to the diet as well, especially cancer of the colon (结肠).Different cultures are more prone to contract certain illnesses because of the food that is characteristic in these cultures. That food related to illness is not a new discovery. In 1945, government researchers in the U.S. realized that nitrates (硝酸盐), commonly used to preserve color in meats, and other food additives (添加剂), caused cancer. Yet, these carcinogenic additives remain in our food, and it becomes more difficult all the time to know which things on the packaging labels of processed food are helpful or harmful.The additives which we eat are not all so direct. Farmers often give penicillin to beef andpoultry to cure some diseases, and because of this, penicillin has been found in the milk of treated cows. Sometimes similar drugs are administered to animals not for medicinal (医疗的) purposes, but for financial reasons. The farmers are simply trying to fatten the animals in order to obtain a higher price on the market in a faster way. Although the Food and Drug Administration (FDA) has tried repeatedly to control these procedures, the practices continue.11. What is the main topic of the passage?A) Food and culture.B) Food and additives.C) Food and cancer.D) Food and our health.12. Which of the following statements is NOT true according to the passage?A) More than half of cancer may be caused by problems related to food.B) Penicillin is given to animals not for medicinal purposes but for financial reasons.C) We eat some food additives directly and some indirectly.D) Researchers have known about the potential danger of food additives for many years.13. Why do farmers give drugs to their animals?A) To make the animals healthierB) To speed up the growth of animalsC) To make the animals’ meat fit to eatD) To make the anima ls’ meat more tasty14. It can be inferred from the passage that___________.A) scientists have made all the food fit to eat thanks to the advance in scienceB) only in recent years have people found that nitrates are related to the cancer of colonC) some additives harmful to our health are in a way not so obviously noticedD) all kinds of cancer are related to the diet that are characteristic of a certain culture15. The word “carcinogenic” in the second paragraph most probably means___________.A) very healthyB) quite nutritiousC) may cure our diseaseD) may cause cancerPassage FourYou must face the fact that in your inmost heart you hate the thought of moving. It is easiest not to leave the rooms where your children passed through their wonderful childhood and annoying teens to a friendly but slightly distant maturity.Until, suddenly one day, the distance is absolute and they are grown up and gone. Then you find yourself living in too large a house, which consumes in its maintenance too much energy and money. When we found ourselves in this situation a few years ago, we determined to move while we still had the strength and before the emotional ties that the old house had wrappedaround us became too powerful to be broken. Move while you can! But be sure you really want to, and do not move too often. It is an exhausting process.Your first task is to find a house that will suit you. It must be smaller, quieter, easier to run, and more conveniently placed for transport. Not so small, though, that it will not have room for your largest pieces of furniture, and located not too far from the neighborhood where so many friendships have been built up.At last we found one: a late Victorian cottage, in a street where the houses, all small, range from late 18th to mid 20th century. It was near enough to where we wanted to live. It had no basement (底下层), which was a great convenience for aging legs; there were only two floors: one for ourselves and one where friends, children, and grandchildren could spread themselves when they came to stay. Each floor had two rooms. There was a kitchen on the ground floor, with the bathroom above it.16. The passage concerns ___________.A) buying a house for a newly married coupleB) buying a large house for a growing familyC) buying a better house when people have more money to spendD) buying a smaller house for older people whose children have left home17.The passage implies that grown-up children are ___________.A) more friendly to their parents when they are grown upB) distant from their parentsC) friendly but not very closeD) annoying18. The author decided to move ___________.A) when his house gave him too much work and cost too much to runB) when he grew tired of his houseC) when he suddenly got the strength to do soD) before the house collapsed19. The author advises people in his own situation ___________.A) to move into a very small houseB) to move somewhere where the largest possible pieces of furniture will fitC) not to move too far from the main roadD) to choose somewhere not so noisy20. According to the passage, the new house had ___________.A) two floors B) three floorsC) four floors D) two bathroomsPassage FiveIs teaching important? Well, of course it is. There was a time when all necessary knowledge could be taught to the young by family members. But as societies became more complex anddivision of labor more common, it was impossible for family members to teach the information and skills young people needed to become useful members of the society. As the need for specialists appeared, the job of teaching came into being in our country, and teaching as a job has been of increasing importance over the past one hundred years. Today, we have strict rules for teachers. We hope all children can go to school. Many things tell us that teaching is indeed an "important" job.In recent years, there has been an increasing need for teachers to be "responsible". This means that the public expects teachers to succeed in teaching important information to the young. Teachers' salaries today, while not much, certainly are much higher than they were in the past. These increases have come about because people have realized that quality people, individuals who are highly able to teach, will not do it if they are not offered enough money. Today almost no one says that "anybody will do" for a teacher. The public expects "quality people" to teach the young, and progress is being made to give salaries that will make people who have abilities become teachers.21. In the author's opinion, the job of a teacher ___________.A) is done best by family membersB) is too complex for most peopleC) is free of rulesD) is important for society22. The cause for the new job of "teacher" was ___________.A) the increased importance of laborB) the need for specialistsC) the strict rules of the governmentD) the increased number of children in school23. According to the writer, ___________ is on the increase nowadays.A) a need for teachers to have responsibility for themselvesB) a need for teachers to teach responsibility to studentsC) the numbers of students who are entering schoolD) the numbers of people who take the job of teacher24. We learn from this passage that ___________.A) money encourages teachers to be responsibleB) money is not a responsible reason to become a teacherC) money is a good way to attract people to become teachersD) money was much higher for teachers in the past25.What do people hardly ever say these days?A) Anyone can be a teacher.B) Progress is being made.C) Teachers have abilities.D) Quality people are teaching the young.Part III Vocabulary and Structure (15%)Directions: There are 30 incomplete sentences in this part. For each sentence there are for choices marked A), B), C) and D). Choose the ONE answer that best completes thesentence. Then mark the corresponding letter on the Answer Sheet with a singleline through the center.26. The professor kept speaking about his new discovery in the field, only ___________ occasionally to have a mouthful of tea.A) dropping off B) breaking offC) putting off D) setting off27. The theory of class currently prevailing in the West is ___________ based on what Max Weber, a German sociologist, proposed.A) fairly B) kindlyC) greatly D) largely28. The manager promised to have my complaint ___________.A) looked through B) looked intoC) looked over D) looked after29. Mercy killing (安乐死) is usually understood as a merciful act to ___________ a terminally-ill patient's unbearable pain.A) release B) retreatC) receive D) relieve30. His answer was so confused that I could hardly make any ___________ of it at all.A) interpretation B) explanationC) meaning D) sense31. I remember seeing him some years ago, but I don't ___________ what he said.A) remind B) recognizeC) recall D) reflect32. He was ___________ admittance to the restaurant for not being properly dressed.A) denied B) rejectedC) stopped D) accepted33. The economy will ___________ its growth into next year.A) endure B) persistC) remain D) sustain34. The TV station, in ___________ to massive popular demand, decided to continue the soap opera.A) regard B) relationC) respect D) response35. She got a job as an assistant stage manager at the Cambridge Arts Festival Theatre, thinking that it might ___________ to a career as a playwright.A) pave the way B) work wonderC) point out D) stand a chance36. Senior members of the staff competed eagerly ___________ the position of sales manager in the company.A) in B) withC) for D) on37. ___________ from the occasional late night party, our neighbors are very quiet.A) Apart B) ButC) Except D) As38. The wealth of a country should be measured ___________ the health and happiness of its people as well as the material goods it can produce.A) in line with B) in terms ofC) in regard with D) by means of39. The author of the report is well ___________ with the problems in the hospital because he has been working there for many years.A) informed B) enlightenedC) acquainted D) acknowledged40. His results are not very ___________. He does well one week and badly the next.A) invariable B) consequentC) consistent D) continuous41. A ___________ to this problem is expected to be found before long.A) solution B) settlementC) response D) result42. Exercise is one of the key ___________ of a healthy lifestyle.A) combinations B) complimentsC) components D) compounds43. She goes to the dentist to have her teeth ___________ twice a week.A) looked B) watchedC) observed D) inspected44. The baby can’t even sit up yet, ___________ walk!A) let go B) let downC) let alone D) let out45. The country's first act would be to ___________ for the navy.A) employ B) inviteC) recruit D) supply46. You will see this product ___________ wherever you go.A) to be advertised B) advertisedC) advertise D) advertising47. This map shows the population ___________ of Canada.A) division B) distributionC) disagreement D) difference48. It’s time we ___________ our rights.A) stood up for B) stood up toC) stand up for D) stand up to49. Not until the game had began ___________ at the sports ground.A) had he arrived B) would he have arrivedC) should he have arrived D) did he arrive50. He was taken to a room at the end of the corridor, ___________ he met his course tutor.A) which B) thereC) that D) where51. I could see that my wife was ___________ having that fashionable coat, whether I approved of it or not.A) determined to B) intent onC) short of D) focused in52. I’m going by taxi. Two miles ___________ too far for me to walk.A) may be B) can beC) are D) is53. She ___________ the respect of everybody present.A) achieved B) securedC) earned D) collected54. He has a large collection of books, ___________ are written in English.A) any that B) many of whichC) many in which D) among many that55. It is necessary that an efficient worker ___________ his work on time.A) accomplishes B) has accomplishedC) can accomplish D) accomplishPart IV Cloze (10%)Directions: There are twenty blanks in the following passage. For each blank there are four choices marked A, B, C and D beneath the passage. You should choose the ONEanswer that best fits into the passage. Then blacken the corresponding letter on theAnswer Sheet with a single line through the center.Reading involves looking at graphic symbols and formulating mentally the sounds and ideas they represent. Concepts of reading have changed 56 over the centuries. During the 1950s especially, increased attention has been devoted to 57 and describing the reading process. 58 specialists agree that reading 59 a complex organization of higher mental 60 , they disagree 61 the exact nature of the process. Some experts, who regard language primarily as a code using symbols to represent sounds, 62 reading as simply the decoding of symbols to the sounds they stand 63 .These authorities 64 that meaning, being concerned with thinking, must betaught independently of the decoding process. Others maintain that reading is 65 related to thinking, and that a child who pronounces sounds without 66 their meaning is not truly reading. The reader, 67 to some, is not just a person with a theoretical ability to read but one who 68 reads.Many adults, although they have the ability to read, have never read a book in its 69 . By some experts they would not be 70 as readers. Clearly, the philosophy, objectives, methods and materials of reading will depend on the definition one uses. By the most 71 and satisfactory definition, reading is the ability to 72 the soundsymbols' code of the language, to interpret meaning for various 73 , at various rates, and at various levels of difficulty, and to do 74 widely and enthusiastically. 75 short, reading is the interpretation of ideas through the use of symbols representing sounds and ideas.56. A) substantively B) substantially C) substitutively D) subjectively57. A) distributing B) promoting C) defining D) reporting058. A) Although B) If C) Unless D) Until59. A) involves B) takes C) reveals D) invites60. A) opinions B) effects C) manners D) functions61. A) of B) about C) for D) into62. A) view B) look C) reassure D) agree63. A) by B) to C) off D) for64. A) content B) contend C) contempt D) contact65. A) inexplicably B) inexpressibly C) inextricably D) inexpediently66. A) interpreting B) telling C) explaining D) reading67. A) like B) for C) according D) as68. A) totally B) usually C) mainly D) actually69. A) part B) entirety C) chapter D) section70. A) claimed B) said C) classified D) graded71. A) inclusive B) inclinable C) conclusive D) complicated72. A) break B) elaborate C) define D) unlock73. A) purposes B) degrees C) stages D) steps74. A) such B) so as C) so D) such as75. A) By B) In C) On D) ToPart V Writing (15%)For this part, you are allowed 30 minutes to write a composition on the topic: The Importance of keeping A Good Mood. You should write at least 120 words according to the outline given below in Chinese:1. 人们每天都生活在压力之下2. 所以说保持一个好的心情是十分重要的3. 我的观点和原因The Importance of keeping A Good Mood.共 11 页第11 页。

黄文-交际英语II (08521-2)

黄文-交际英语II (08521-2)


总分
得分
得分
PartI.Business ettiquette(10’)
评卷人
Summarize some rules on how to host a buห้องสมุดไป่ตู้iness dinner.
得分
PartII.Festivals Introduction(20’)
评卷人
Introduce western traditional holiday:Thanksgiving Day.
武汉船舶职业技术学院20102011学年第一学期交际英语ii期末试卷班级姓名学号题号得分一二三四五六总分得分评卷人summarizesomerulesonhowtohostabusinessdinner
武汉船舶职业技术学院
2010-2011学年第一学期《交际英语II》期末试卷
班级姓名学号
题号




(A)
得分
PartIII.Interpretation: schedule arrangement (20’)
评卷人
(A)
得分
PartIV.Interview (25’)
评卷人
You’re being interviewed:Talk aboutyourself and your experience in the college:What kind of personality do you have?/ What are your disadvantages and advantages?/ Did you get any honours or awards at college?/ Were you involved in any club activities at college?/ What sort of work experience do you have?...
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光学复习题
1.岸边垂柳映在水中的像是____像;物体经小孔所成的像是____像。

(选填“实”或“虚”)
2 .位于我市市中心的镜湖以环种杨柳而景胜一方,湖畔垂柳成萌,水面倒影如镜。

从物理学的角度看,“垂柳成荫”是由于光的___________________形成的,“倒影如镜”是由光的____________所形成的岸边柳树的_________(选填“实像”或“虚像")。

3.08年春节晚会中有一精彩的“手影戏”——《逗趣》。

两位演员用手分别表演了动物、人物的各种形态。

活灵活现的手影(如图1),让观众大开眼界。

手影的形成是由于
A.光的直线传播
B.光的折射
C.光的反射
D.凸透镜成像
4.人站在平面镜前2 m处,他在镜中的像距平面镜为m。

若人以0.5 m/s速度垂直向平面镜靠近,则像相对于人的速度大小为m/s。

5.为了捉到一条鱼,猩猩用矛拼命地刺向水里却没有成功.这主要是由于光的_______现象.猩猩看到水中的鱼比实际位置要_______一些(选填“深”或“浅”)。

6.如图11,有一束光线从空气射入某种透明介质,在分界处发生反射和折射,则是反射光线,折射角是。

7.下列现象中,可以用光的直线传播解释的是( )
A阳光下,树在地面上形成影子B.在岸边看到水中的鱼
C.在平面镜中看到自己的像D.用放大镜看报纸上的字
8 .如图1所示,均是与光有关的四种现象,其中反映光沿直线传播的是
9.下列现象中属于光的直线传播的是()A.盛了水的碗,看上去好像变浅了 B.人在河边看见“白云”在水中飘动 C.“海市蜃楼”奇观 D.太阳光穿过茂密的树叶,在地面上留下光斑
10.图3所示的现象中.由于光的直线传播而形成的是()
11. 张伟同学课外利用底部有一个小孔的易拉颧做小孔成像的实验,如图14所示,则他在半透明的纸上看到的像是( )
A 圆形的光斑
B 蜡烛的正立像
C 蜡烛的倒立像
12 .在图l所示的四种情景中.属于光的反射的是( )。

13.平静的湖面上倒映着美丽的白塔。

在这里,“倒映的白塔”是()
A.白塔的影子B.白塔的实像
C.与白塔等大的虚像D.比白塔略大的虚像
14.图1中,正确表示了光从空气进入玻璃中的光路图是()
15.完成丁图中的光路
16.光与镜面成30°角射在平面镜上,如图4所示,请画出反射光线并标出反射角的大小。

17.小明妈妈的钱包掉到了沙发下,没有手电筒,小明借助平面镜反射灯光找到了钱包。

右图中已标出了反射光线和入射光线,请你在图中画出平面镜,并保留作图痕迹。

18.两平面镜相互垂直,入射光线如图14所示,请依次画出经两个平面镜反射后的光线。

19.如图,AB、CD是某一点光源S发出的二条入射光线,请画出它们的反射光线,标出点光源的位置,并完成光路图。

20. 根据平面镜成像特点,在左下图中画出物体AB在平面镜MN中所成的像A'B'o
21.已知点光源A和两条反射光线,试在图中画出平面镜的位置。

22.如下右图所示,S是一个发光点,S’是它在平面镜中成的像,SA是S发出的一条光线,请在图中画出平面镜的位置和SA经平面镜反射后的光线。

23.如图15所示,小明通过一平面镜看到了桌子下面的小球.图中画出了入射光线和反射光线,但末标出光的传播方向.在图中用箭头标出光的传插方向,并根据光的反射定律画出平面镜.
24. 如图B所示为激光液面控制仪的原理简图。

由固定激光器发出的一束激光AO以60°的入射角射向液面,经液面反射后射到光屏上的B点,再通过光屏上的光电转换器将光信号变成电信号,输入控制系统用以控制液面高度。

请通过作图找出B点的准确位置。

25.如图所示,平面镜前有一点光源S,S 27.如图所示,发出的一束光线被平面镜反射后经上,过A点,请作出该光线的光路图.
26.如图7所示,一激光灯从点S发出的一束射向水面的光,在界面发生发射和折射,折射光线经过P点,请你在图中作出入射光线及其相应的反射光线和折射光线
27.为了探究光反射时的规律,小明进行了如图13所示的实验。

⑴请在图13中标出反射角的度数。

⑵小明想探究反射光线与入射光线是否在同一平面内,他应如何操作?________________________________________________________
⑶如果让光线逆着OF的方向射向镜面,会发现反射光线沿着OE方向射出,这表明:________________________________________________________
28.小红同学在做“探究平镜成像”的实验时.将一块玻璃饭竖直架在水平台上.再取两段完全相同的蜡烛A和B.点燃玻璃板前的蜡烛A.进行观察,如图所示.在此实验中:(1)小红选择玻璃板代替镜子进行实验的目的是(2)所用刻度尺的作用是便于比较像与物关系.(3)选取两段完全相同的蜡烛是为了比较像与物的关系.(4)移去后面的蜡烛B,并在所在位置上放一光屏.则光屏上接收到蜡烛烛焰的像(填。

“能”或“不能”).所以平面镜所成的像是(填“实”或“虚”)(5)小红将蜡烛逐渐远离玻璃板时.它的像(填“变大”、“变小”或“不变”).。

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