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We can infer from this passage that______.
A. people cannot sent visible information until 19th century
B. we cannot communicate without sound
C. the ways of communication are similar in different countries
D. in ancient time, enough people is necessary to send messages over distance
55．答案为D 通过阅读前三段可知古代的信息需要足够的人手来依次传递才有可能传送到很远的距离。
有学生表和班级表文件，检索哪些班级中至少有一个学生的总分是大于700的正确命令是( )。
A．SELECT 班级名称 FROM 班级表 WHERE 班级号 IN; SELECT 班级号 FROM 学生表 WHERE 总分＞700
B．Visual FoxPro在打开“报表设计器”窗口的同时也会打开一个“报表控件”工具栏。该工具栏有多个图标按钮，每个按钮有不同的功能。其中“图片/ActiveX绑定控件”按钮的功能是用于显示图片和通用型字段的内容。
C．SELECT 班级名称 FROM 班级表 WHERE 学号 IN; SELECT 学号 FROM 学生表 WHERE 总分＞700
D．SELECT 班级名称 FROM 班级表 WHERE 学号 IN; (SELECT 学号 FROM 学生表 WHERE 总分＞700)
解析：本题是关于SQL嵌套查询语句的使用，通过内层的查询所有总分大于700的学号集合，然后从班级关系中检索元组的学号属性值在该集合中的每个元组。注意内层嵌套的查询语句要用圆括号括起来。
此题为判断题(对，错)。
Our tradition ______ be different _____ yours.
A、can;with
B、must;with
C、need;as
D、may;from
有学生表和班级表文件，检索哪些班级中至少有一个学生的总分是大于700的，正确的命令是( )。
A．SELECT 班级名称 FROM 班级表 WHERE 班级号 IN; SELECT 班级号 FROM 学生表 WHERE 总分＞700
B．SELECT 班级名称 FROM 班级表 WHERE 班级号 IN; (SELECT 班级号 FROM 学生表 WHERE 总分＞700)
C．SELECT 班级名称 FROM 班级表 WHERE 学号 IN; SELECT 学号 FROM 学生表 WHERE 总分＞700
D．SELECT 班级名称 FROM 班级表 WHERE 学号 IN; (SELECT 学号 FROM 学生表 WHERE 总分＞700)
解析：本题是关于SQL嵌套查询语句的使用，通过内层的查询所有总分大于700的学号集合，然后从班级关系中检索元组的学号属性值在该集合中的每个元组。注意内层嵌套的查询语句要用圆括号括起来。
高考英语综合练习班级 考号 姓名 总分 （一）一、七选五Leaving a good impression can be done in different ways, from clothing to posture,and from talking style to body language.Below are several tips for you to begin with：Physical appearance matters.Were visual creatures after allPhysical appearance is the first clue one relies on to judge who we are. 16It also means the person means something to us by dressing properly.If it is a business setting.be aware of the dress rule or culture17A thumbsup here does not mean the same elsewhereSo do the research! Details from any little areas will affect the impression on the whole18A fake（假的）smile can potentially do more harm than good in our attempts to leave a good impressionIt is understandable that sometimes it is hard to suddenly force a smile19Remember being positive plays an important part in shaping our first impressionLook into peoples eyes until you see the colors of their iris（虹膜）Keeping eye contact delivers a sense of friendship to the people we interact withConsequently，they feel more connected to us and tend to be more positive toward the interaction20Well，try to identify the color of the others irisesGet it？That makes a good eye contact exampleAre these the impression we want to leave？Stop staring at the ground and look at people in the eye then!AWhat makes a quality eye contact？BHow does eye contact affect interaction？CThe requirement varies from culture to cultureDThen at least try not to look discouraging and angry!EDont fake a smile，or people will doubt your sincerityFAlways smile while interacting with others，especially with a new friendGBesides，it is a way to show respect by choosing appropriate clothes for different settings二、完形填空Endangered languages can be found throughout the world.Many languages now have fewer than 100 or even fewer than 10 speakers.The crisis is not limited to remote regions of the world.When Europeans first arrived in North America, 312 different languages were41, of which 123 are now known to be extinct.Of the42languages, most speakers are grandparents and great-grandparents.Different researchers offer different definitions of “endangered”.The system of43used by the Catalogue of Endangered Languages evaluates languages in four areas: the 44of all the speakers, how often the language is conveyed to the next45, the rate at which it is losing speakers and the46in which it is used.Based on this data, languages are ranked on a six-point scale from “safe” to “severely endangered.” The midpoint, “endangered” refers to a language with between 100 and 1,000 speakers who represent about half of the languages community or ethnic group.The language is spoken only by some parents, of whom very few teach it to their children.It is47used at home and is not taught in schools or used for government business.Languages become endangered due to a number of48factors including globalization, economics, technology, education policy, and changes in49attitudes.As the forces of globalization make the world more interconnected, previously50language communities come under pressure to participate in a larger economy, which means learning the areas majority language.51, local schools often begin to teach the majority language instead of the local tongue.Local languages also52as communities adopt mobile phones and computers, most of which run on software that has been translated into only a handful of languages.This trend53as these devices connect users to the Internet.At this point, many communities undergo a cultural54in which parents no longer value the language enough to teach it to their children.Initiatives to55endangered languages have become more numerous in recent years.These efforts tend to focus on two main areas: the documentation of endangered languages, and efforts to increase the use of endangered languages among younger speakers and in the community at large.641.A.at handB.at riskC.in useD.in view42.A.ancientB.evolvingC.localD.surviving43.A.assessmentB.classificationC.descriptionD.research44.A.ageB.backgroundC.numberD.religion45.A.committeeB.centuryC.generationD.government46.A.contentB.occupationsC.situationsD.themes47.A.advisedlyB.efficientlyC.primarilyD.rarely48.A.balancingB.complicatingC.historicalD.interrelated49.A.culturalB.mentalC.moralD.religious50.A.foreignB.informalC.isolatedD.national51.A.For exampleB.In contrastC.In responseD.Vice versa52.A.boomB.developC.disappearD.suffer53.A.ceasesB.changesC.increasesD.starts54.A.differenceB.influenceC.shiftD.variety55.A.enrichB.purifyC.refreshD.standardize三、语法填空It happened last Monday.I was riding up to visit my
A. from a zone to the router itself
B. from a zone to the same zone
C. from a zone to a different zone
D. from one interface to another interface
有学生表和班级表文件，检索哪些班级中至少有一个学生的总分是大于700的，正确的命令是( )。
A．SELECT 班级名称 FROM 班级表 WHERE 班级号 IN; SELECT 班级号 FROM 学生表 WHERE 总分＞700
B．SELECT 班级名称 FROM 班级表 WHERE 班级号 IN; (SELECT 班级号 FROM 学生表 WHERE 总分＞700)
C．SELECT 班级名称 FROM 班级表 WHERE 学号 IN; SELECT 学号 FROM 学生表 WHERE 总分＞700
D．SELECT 班级名称 FROM 班级表 WHERE 学号 IN; (SELECT 学号 FROM 学生表 WHERE 总分＞700)
解析：本题是关于SQL嵌套查询语句的使用，通过内层的查询所有总分大于700的学号集合，然后从班级关系中检索元蛆的学号属性值在读集合中的每个元组。注意内层嵌套的查询语句要用圆括号括起来。
American stereotypes are abundant．New Englanders are often thought of as being friendly and helpful．Southerners are known for their hospitality and warmth．People from the western part of the United States are often considered very outgoing．These differences in character can be traced to different factors such as climate,living conditions,and historical development.
When travelling from place to place,Americans themselves are often surprised at the differing degrees of friendliness in the United States.
Which of the following is true according to the passage?
B.People from the South are usually considered good host
C.The friendliest Americans travel from place to plac
D.Different parts have different customs and habit
You can get a very good（）if you look from here.
Aview
Bsight
Cvision
Dsightseeing
A
略
You can get a very good（）if you look from here.
- A、view
- B、sight
- C、vision
- D、sightseeing
正确答案:A
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