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ECON4261Problem Set 4 Answer Keys

ECON4261Problem Set 4 Answer Keys
ECON4261Problem Set 4 Answer Keys

大学英语新视野答案.doc

Part 1 Short dialogs and multiple choice questions (每小题:分) Directions: Listen to the short dialogs, then choose the correct answers to the questions. You will hear the recording twice. After the first playing, there will be time for you to choose the correct answers. Use the second playing to check your answers. Questions 1 to 1 are based on the following passage or dialog. 1. A. Decrease imports. B. Increase imports. C. Decrease its deficit by 5%. D. Increase its deficit by 5%. Questions 2 to 2 are based on the following passage or dialog. 2. A. Raise the oil prices. B. Import less oil. C. Use less oil. D. Take buses more frequently. Questions 3 to 3 are based on the following passage or dialog.

新视野大学英语第三版翻译

BOOK TWO Unit 5 丝绸之路(Silk Road)是我国古代一条连接中国和欧亚大陆(Eurasia)的交通线路,由于这条商路以丝绸贸易为主,故称"丝绸之路"。作为国际贸易的通道和文化交流的桥梁,丝绸之路有效地促进了东西方经济文化交流和发展,对世界文明进程有着深远影响。当前,在新的历史条件下,我国提出了"一带一路"(One Belt, One Road)(即"丝绸之路经济带"和"21世纪海上丝绸之路")的战略构想。"一带一路"以合作共赢为核心,强调相关各国的互利共赢和共同发展。这一战略一经提出即受到沿线各国的积极响应。 The Silk Road is a traffic route in the ancient times connecting China and Eurasia. This trade route focuses on the trade of silk, hence the name "the Silk Road". As an international trade channel and a bridge of cultural exchanges, the Silk Road effectively improved the economic and cultural exchanges and development between the East and the West, exerting a profound impact on the progress of the world civilization. Nowadays, under the new historical circumstances, our country proposes the strategy of "One Belt, One Road" (namely the Silk Road Economic Belt and the 21st-century Maritime Silk Road). The strategy of "One Belt, One Road" focuses on cooperation and mutual benefits, emphasizing mutual benefits, win-win, as well as common development of the related countries. Once proposed, the strategy has received positive responses from the related countries along the road. Unit 6 国民幸福指数(National Happiness Index,NHI)是衡量人们幸福感的一种指数,也是衡量一个国家或地区经济发展、居民生活与幸福水平的指标工具。随着中国经济的高速增长,中国政府越来越重视人民群众生活质量和幸福指数的提升。政府注重改善民生,努力改善人民群众的经济状况,满足人民群众日益增长的物质文化需求。当前,中国政府提倡释放改革红利,让人民群众得到更多实惠。所有这些都将有效促进我国国民幸福指数不断提升。 National Happiness Index (NHI) is an index that measures how happy people are. It is also a tool that measures the levels of economic development and people's livelihood and happiness in a country or region. With the fast growth of Chinese economy, the Chinese government has been paying more and more attention to people's living quality and the increase of happiness index. The government stresses improvement of its people's livelihood, striving to improve their economic conditions and meet their growing material and cultural needs. Currently, the Chinese government advocates the unleashing of more reform dividends, with the aim of offering more real benefits to its people. All these measures will combine to effectively increase the NHI of our people.

新视野英语第一册读写教程CLOSE

share the same type of relationship a classroom teacher and e their own CD. You don’t have to just listen to music made and sold by big record companies .Many groups send their music straight to community radio stations This allows for truly new muobably right about my ears; I likely have lost some hearing from going to too many loud concert as I have . I can’t stay that it wasomething great has been achieved,we are free to set our sights on the next opportunity to help that arise Each new opportunity may be bigger and better than the last And so ,I urge you to use all your efforts to do what good you can today instead of tomorrow . Do not spend your time with thing that are neither good nor valuable. This will save you from mistake . If you are given a task that you do not believe is helpful ,delay it. Time will wash it away for you .At the same time, the beginnings of something positive will have built up .Do it at once ! A kind word ,or a(n) service to others is never a waste of your time ,and you will reap the benefits of doing good and enjoy peace of mind. (4)Standing in the door of Mr Murphy’s office ,I could see he was learned on something he was reading. He had both elbow on his desk, his head was resting on one hand and his other hand was

数据库SQL实验题目

实验一数据定义操作 实验目的 1.掌握数据库和表的基础知识 2.掌握使用创建数据库和表的方法 3.掌握数据库和表的修改、查看、删除等基本操作方法 实验内容和要求 一、数据库的创建 在开始菜单中,启动SQl Server 程序中的“SQL Server Management Studio”,在对象资源管理器窗口中,右键单击“数据库”,选择“新建数据库”,创建成绩管理数据库Grademanager,要求如下表所示: Grademanager数据库参数表 参数参数值参数参数值 存储的数据文件路 径 D:\db\ 存储的日志文件路径D:\db\ 数据文件初始大小5MB 日志文件初始大小2MB 数据文件最大值20MB 日志文件最大值15MB 数据文件增长量原来10% 日志文件增长量2MB 二、表的创建、查看、修改和删除 1.表的创建 在Grademanager数据库中,右键单击“表”,选择“新建表”命令,创建如下表所示的表:(1)Student表的表结构 字段名称数据类型长度精度小数位数是否允许 Null值 说明 Sno Char 10 0 0 否学号,主码 Sname Varchar 8 0 0 是姓名 Ssex Char 2 0 0 是性别,取值:男或女 Sbirthday Date 8 0 0 是出生日期 Sdept Char 16 0 0 是系名 Speciality Varchar 20 0 0 是专业名 特别注意: 为属性Ssex设置约束,需选中属性Ssex行,然后单击菜单中的“表设计器”,选择“CHECK 约束”命令,然后按照图1进行设置。

图1 设置性别的约束 (2)Course表(课程名称表)的表结构 字段名称数据类型长度精度小数位数是否允许Null值说明 Cno Char 5 0 0 否课程号,主码Cname Varchar 20 0 0 否课程名 (3)SC表(成绩表)的表结构 字段名称数据类 型 长 度 精 度 小数位 数 是否允许Null值说明 Sno Char 10 0 0 否学号,外码 Cno Char 5 0 0 否课程号,外码 Degree Decimal 5 5 1 是成绩,0~100之间 特别注意: ①为属性Degree 约束,可参照属性Ssex进行设置,“CHECK约束对话框”中的表达式为Degree>=1 And Degree<=100 ②为SC表设置外键Sno和Cno的方法: 右键单击表SC,选择“设计”命令,然后选择菜单“表设计器”中的“关系”命令,打开“外键关系”窗口,选择“添加”按钮,然后单击“表和列规范”后的按钮,按照图2进行设置,即可将SC表中的Cno属性设置为外键。按照相同的方法,将属性Sno也设置为外键。

新视野大学英语(第二版)第3册课后翻译原题与答案

新视野大学英语第3册课后翻译原题与答案 Unit 1 1. 无论你是多么富有经验的演说家,无论你做了多么充分的准备,你都很难再这样嘈杂的招待会上发表演讲。 1. No matter how experienced a speaker you are, and how well you have prepared for your speech, you will have trouble making a speech at such a noisy reception. 2. 就像吉米妹妹的朋友都关心吉米一样,吉米也关心他们。 2. Just as all his sister’s friends cared about him, Jimmy cared about them. 3. 汽车生产商在新车的几处都印有汽车识别号码,以便帮助找回被盗的车辆。 3. Car manufacturers stamp a vehicle identification number at several places on new cars so as to help track down stolen vehicles. 4. 老师回来时你敢告诉我状的话,我就不再和你说话了。 4. If you dare tell on me when the teacher comes back, I won’t say a word to you any more. 5. 有些老年人愿意独自过日子,但大多数老人选择和儿女一起生活。 5. Some elderly people would rather live on their own while the majority choose to live with their children. 6.现在需要面对的事情是:如何筹集创建公司需要的资金。 6. Here is what needs to be reckoned with: How to collect necessary capital to establish the company. Unit 2 1. 被告是位年仅30岁的女子,她坚持称自己无罪。 1. The defendant, a woman of only 30 , kept persisting in her innocence. 2. 总体看来,枣、豆类以及一些多叶的绿色蔬菜时最好的铁质来源。 2. All things considered, dates, beans and some leafy green vegetables are the best sources of iron. 3. 正餐时不供应饮料,饮料会影响消化。 3. No drinks are served with dinner because they interfere with digestion. 4. 考虑到那个地区受欢迎的程度,提前订旅馆时明智的。 4. Considering the popularity of the region, it is advisable to book hotels in advance. 5. 服药后若有呕吐感,请立即停止服用并尽快咨询医生。 5. If you have a feeling of throwing up after taking this medicine, stop to consult your doctor as soon as possible. 6.总结这次讨论时,他说双方都要好好考虑怎样以最有效的方法来解决这一问题。6. When summing up the discussion, he said both sides should fully consider the most effective way to solve the problem. Unit 5 1. 直到看见弥留之际躺在床上的母亲,他才意识到自己是多么地爱她。 1. Not until he saw his mother lying in bed dying, did he realize how much he loved her. 2. 考虑到他是最近的身体状况,我认为他这次考试成绩还不错。 2. Considering his recent physical condition, I think he has done quite well in the exam. 3. 克拉克夫人躺在床上一动不动,一时间我都纳闷她是否还活着。 3. Mrs. Clark lies in bed motionless, so I wonder briefly if she is still alive. 4. 整栋楼一片黑暗,只有三楼的某个窗户透出一丝光。 4. The whole building was completely dark except a single light from a third-storey window.

新视野3第三版翻译及答案

目录 Reading Passage Translation (1) Understanding The Text (8) BankedCloze (12) 视听说 (13) Skimming and Scanning (Multiple Choice) (14) Reading Comprehension (Multiple Choice) (24) _______________________________________________________________________________ U1A文翻译P3、U1BankedCloze P12 U2A文翻译P33、U2UnderstandingTheText P39、 U3A文翻译P63、U3UnderstandingTheText P70、U3BankedCloze P73 U4A文翻译P93、U4UnderstandingTheText P99、 U5A文翻译P123、U5UnderstandingTheTextP129、U5BankedClozeP132 U6A文翻译P151、U6UnderstandingTheTextP157、U6BankedClozeP160 _______________________________________________________________________________ Reading Passage Translation Unit1TextA P3 永不言弃 1. 英国的伟大首相温斯顿·丘吉尔爵士,小时候在哈罗公学上学。当时他可不是个好学生,要不是出身名门,他可能早就因为违反纪律被开除了。谢天谢地,他总算从哈罗毕业了。在那里犯下的错误并没影响到他上大学。后来,他凭着军旅生涯中的杰出表现当选英国首相。他的才思、智慧、公民责任感以及在二战痛苦而黑暗的时期拒绝投降的无畏勇气,为他赢得了美名。他非凡的决心,不仅激励了整个民族,还鼓舞了全世界。 2. 在他首相任期即将结束时,他应邀前往母校哈罗公学,为满怀报国之志的同学们作演讲。校长说:“年轻的先生们,当代最伟大的演说家过几天就会来为你们演讲,他提出的任何中肯的建议,你们都要听从。”那个激动人心的日子终于到了。温斯顿爵士站了起来——他只有5英尺5英寸高,体重却有107公斤。他作了言简意赅的讲话:“年轻人,要永不放弃。永不放弃!永不放弃!永不,永不,永不,永不!” 3. 个人经历、教育机会、个人困境,这些都不能阻挡一个全力以赴追求成功的、有着坚强意志的人。任务再苦,准备再长,难度再大,都不能让他放弃自己的追求。就以本时代最有学问的两位科学家——阿尔伯特·爱因斯坦和托马斯·爱迪生为例,他们都曾面临巨大的障碍和极端的批评。都曾被说成“不开窍”,被老师当成笨蛋而放弃。托马斯·爱迪生还曾逃学,因为老师嫌他问的问题太多而经常鞭打他。爱因斯坦一直到将近9岁才能流利地说话,学习成绩太差,有些人认为他都已经学不好了。然而,这两个男孩的父母都相信他们。他们坚持不懈地每天和儿子一起努力,孩子们也了解到,要想成功,就绝不要怕付出长期而艰辛的努力。最终,爱因斯坦和爱迪生都摆脱了童年的困扰,进而作出了当今世界的伟大发现。 4. 再如亚伯拉罕·林肯这个英雄的典范,他一生面临了无数艰辛、失败和接二连三的不幸。

新视野英语教程第一册英译汉

翻译Translate the following into English. 出于同情,布莱克太太(Mrs. Black)给了这位可怜的老人一些钱。(out of sympathy) Out of sympathy, Mrs. Black gave some money to the poor old man. 2. 英语教师指着一个苹果用英语对全班同学说:“这是一个苹果。”(point to) The English teacher pointed to an apple and said to the whole class in English: "This is an apple." 3. 当我们互相帮助时,我们的房间里就充满了爱。(be filled with) Our room is filled with love when we help each other. 4. 我们应该听从这位老人的劝告,现在就回家去。(take someone's advice) We should take the old man's advice and go home right now. Some think wealth is more important; some success; others think love is the most important of all. 有些人认为财富更重要;有些人认为成功更重要;另一些人则认为爱最重要。 2. Could it be possible for a person to choose one and somehow get the other two as well?一个人能不能选择一个并同时设法得到另外两个? 3. Let him come in and fill our home with wealth! 让他进来把我们家装满财富! 4. Wherever there is love, there is also wealth and success!只要有爱的地方就会有财富和成功! 1.虽然有战争的威胁(threat),人们仍一如既往地工作着。(go about) Despite the threat of war, people went about their work as usual. 2. 请允许我就这些问题讲几句话。(allow somebody to do) Please allow me to say a few words about the problems. 3. 她站起身来惊讶地盯着我。(stare at) She stood up and stared at me in surprise. 4. 大火迅速蔓延到大楼的其他部分。(spread) Fire quickly spread to the other parts of the building. The most frightening words in the English language are: "Our computer is down." 英语中最令人恐惧的字眼莫过于“计算机死机了”。 2. All the people behind the counter were just standing there, drinking coffee and staring into a dark screen. 所有在柜台后面的人都只是站着,一边喝着咖啡,一边盯着黑暗的屏幕。 3. Why don't I give you the money, you give me a receipt, and I'll show it to the pilot as proof that I have paid? 何不这样:我把钱给你,你给我开一张收据,然后我把这张收据作为我已付费的证明给飞行员看。 4. When our computer is down, it can't tell the credit card computer to charge the fare to your account. 计算机死机时根本就不能告诉信用卡机该从你的账户中扣多少钱。 1. 人们期望看到有更多的优秀球员到国外去打篮球。(look forward to) People look forward to seeing more excellent players play basketball abroad. 2. 球迷们都围着他要签名。(surround) The football fans surrounded him and asked for his signature.

sql server实训总结4篇

sql server实训总结4篇 sql server实训总结4篇 sql server实训总结篇一: 为期一周的实训已经结束,从这一周中,有了很多的感悟。从学到和掌握到的东西来说,在书本上学到的东西非常不牢固,然而实训真的让我受益匪浅! 实训第一天到教室时,看到老师给我们讲试训的内容与要求,然后告诉我们一些要完成的任务与作业,然后根据试训的内容与要求授课,让我们从实践中去体会所学的知识。说实话,对于SQL Server 数据库,我所学到的知识很不牢固,当时在课堂上听课所记住的也并不多,所以在试训开始时,真的不知道该干些什么?有一种何去何从的感觉!但随着老师的教课和讲解,以及和同学的讨论,再结合自己所知道的知识和老师所发放下的课程内容,根据这些实际的情况,我对自己将要做的事也有了兴趣和信心。所以在接下来的时间中,我们在老师的帮助下开始了数据库相关的实训。 在这次的google订餐系统的设计过程中,我们根据该google订餐系统的功能,将其分解三大部分来完成,第一部分就是建立数据库和表,并给其添加约束;第二是角色的管理,分为管理员,订餐用户和餐馆;第三就是用编程语言建立管理菜单。所以试训的内容是从数据库和数据表的创建和修改开始的,表是建立关系数据库的基本结构,用来存储数据具有已定义的属性,在表的操作过程中,有查看表属性,有查看表信息,修改表中数据,删除表中的数据以及修改表与删除表的操作。

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