9512
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锁定转子加热测试和运行测试进行了铝辐射板的大小表示如下。
电机的齿轮头,齿轮相反的测试进行了辐射板A Running Heating TEST AND A LOCKED-ROTOR TEST HAS BEEN CONDUCTED WITH A ALUMINUM RADIATION PLATE OF SIZE INDICATED BELOW. FOR THE MOTOR WITH A GEAR HEAD ,TESTS HAS BEEN CONDUCTED WITH A GEAR INSTEAD OF THE RADIATION PLATE东方电机ORIENTAL MOTOR通用交流伺服GENERAL PURPOSE AC SERVO安全使用交流伺服TO USE THE AC SERVO SAFELY表的内容TABLE OF CONTENTS设置打印机SETTING UP YOUR PRINTER使用您的打印机软件USING YOUR PRINTER SOFTWARE创造性的印刷CREATIVE PRINTING使用和照顾你的喷墨打印CARTRIDES USING AND CARING FOR YOUR INKJET PRINT CARTRIDES得到帮助当事情出错GETTING HELP WHEN THINGS GO WRONG更多关于你的PRINTRE和供应MORE ABOUT YOUR PRINTRE AND SUPPLIES附录A规范APPENDIX A SPECIFICATIONS检查你的电脑设置CHECKING YOUR COMPUTER SETTINGS致动器一般目录ACTUATORS GENERAL CATALOG各级夹具CYLIN C系列JIG CYLIN DERS C SERIES新钢笔气缸NEW PEN CYLINDERS苗条的气缸slim cylinders广泛的变化wide variationnok铁橡胶nok iron rubberunitta 带目录unitta belt catalogue小金属平面弹性联轴器small metal flat spring couplingThe HC products are applied in thermoforming machines, PET stretch blow molding machines, dry/cure (i.e. paint) or general material heating. We supply machine builders having the necessary automation expertise to implement our controllers. Our system partners, offers complete retrofits for heater control in existing machines.我们开发、制造商和市场力量控制器用于ofens的电加热元件(暖气)为工业加热过程。
1. 什么是EAN-13代码EAN-13是商品的全球通用标识,用于唯一识别商品和服务。
它是一种由13个数字组成的条形码,通常出现在商品的包装上。
EAN-13代码可以帮助商家和用户追溯商品的生产和流通情况,也是全球贸易中不可或缺的一部分。
2. EAN-13代码的结构EAN-13代码由三部分组成:- 国家代码:前三位数字代表生产商品的国家或地区代码。
- 制造商代码:接下来的四位数字代表制造商的注册代码。
- 商品代码:再接下来的五位数字代表具体的商品代码。
- 校验码:最后一位是校验码,用于验证EAN-13代码是否输入正确。
3. EAN-13代码的解析EAN-13代码的解析可以帮助我们更好地了解商品的相关信息,比如生产地点、制造商和具体商品。
下面将介绍10种不同商品的EAN-13代码及其解析。
4. 商品1:洗发水EAN-13代码:xxx- 国家代码:690代表我国- 制造商代码:3148- 商品代码:xxx- 校验码:7这个EAN-13代码表明这款洗发水是我国制造的,制造商代码为3148,具体的商品代码为xxx。
5. 商品2:巧克力EAN-13代码:xxx- 国家代码:541代表比利时和卢森堡- 制造商代码:2278- 商品代码:xxx- 校验码:8这个EAN-13代码表明这款巧克力来自比利时和卢森堡,制造商代码为2278,具体商品代码为xxx。
6. 商品3:手机EAN-13代码:xxx- 国家代码:694代表我国- 制造商代码:1059- 商品代码:xxx- 校验码:5这个EAN-13代码表明这款手机是我国制造的,制造商代码为1059,具体商品代码为xxx。
7. 商品4:T恤EAN-13代码:xxx- 国家代码:880代表韩国- 制造商代码:9613- 商品代码:xxx- 校验码:0这个EAN-13代码表明这件T恤来自韩国,制造商代码为9613,具体商品代码为xxx。
8. 商品5:电脑EAN-13代码:xxx- 国家代码:471代表台湾- 制造商代码:2900- 商品代码:xxx- 校验码:6这个EAN-13代码表明这台电脑来自台湾,制造商代码为2900,具体商品代码为xxx。
经费使用原则和开支范围的规定根据全国总工会和北京市总工会“关于基层工会经费使用原则和开支范围”的有关规定,结合首钢集团公司工会的实际情况,特作如下规定:一、工会经费的使用原则工会经费(包括会费、行政拨交经费、事业收入、行政补助和其它收入)的使用,应做到符合政策、统筹安排、勤俭节约、用得适当、有利工作、群众满意。
.加强计划性。
根据需要与可能,分别轻重缓急,量如为出,统筹安排,尽量压缩行政开支,相应扩大用于群众事业活动方面的支出。
.严格财经纪律。
认真贯彻执行国家的财经政策和上级工会规定的经费使用范围和开支标准,严格遵守工会财务纪律,不得用公款请客送礼、不得分钱分物,不得滥发补贴和奖品,不得以学习为名,用工会经费变相搞旅游活动。
.坚持勤俭节约。
开展各项群众活动,要励行节约,反对浪费,立足基层,坚持群众性、广泛性,注意实效。
.发扬财务民主,年度预算的制定及日常经费的使用要与群众商量,每年逐级公布工会经费收支账目,接受群众监督。
二、工会经费开支范围和标准㈠会员活动费会费收入主要用于基层工会次组、分会会员开展集体活动和订阅《工人日报》、《北京工人报》。
㈡宣传活动费.工会开展的各种形象宣传工作所需文具纸张、用品等宣传资料及外请报告人酬金等费用。
.工会管理的图书馆、阅览室所订阅报刊、杂志、文化图书以及工会管理的广播室所需的一般消耗用品等费用。
.工会在寒暑假为工作者子女举办的辅导班,及“六.一儿童节”、“三.八妇女节”、“九.九重阳节”期间组织活动所需的宣传、奖品费用。
.工会在重大节日期间组织召开的劳动模范、先进工作者座谈会所需费用。
集团公司工会举办的座谈会可在人均元内掌握;分(子)公司工会举办的座谈会可在人均元内掌握;厂级工会举办的座谈会可在人均元内掌握。
.家计调查记账补贴标准按每月每户元支付,其费用由所在单位工会经费列支。
.工会组织开展的贴心人服务队、提建议、创建文明班组、建设职工之家等活动的表彰,其奖品开支按下列标准执行:①创建文明班组活动按年度表彰奖励。
9512防霉涂料产品手册公司简介:北京卡利得技术发展有限责任公司是技术型产业公司。
它依托航空技术,主要从事功能性涂料的科研、开发、生产、销售、施工及技术服务。
本公司开发的防霉、防腐、防水等功能性涂料的系列产品已广泛应用于食品、制药、生物制品、电子、轻工等工业领域。
产品在国内处于领先地位。
9512防霉涂料是航空材料、化工及微生物等多种学科的科研人员联合攻关的成果,经权威质检部门检测,对各种霉菌有突出的防霉抑霉作用。
该涂料已广泛应用于食品、制药等行业,从根本上解决了墙面防霉问题,同时兼备不变色、耐洗刷、耐腐蚀、不起皮、不脱落等功能。
完全符合FDA/GMP\HACCP\QS等认证标准。
本公司凭借技术优势及优质的服务意识,多年来受到业界人士的一致好评,秉承“客户至上,质量为本”的理念,竭诚为广大用户提供一流的产品和服务。
9512防霉涂料■产品简介:9512防霉涂料是公司研制开发的一种新型高性能防霉涂料,是以特种树脂为基料的溶剂型涂料,是涂料技术与微生物技术相结合的产物.9512防霉涂料加入特种防霉剂,在基体表面形成功能性防护涂层,具有长效抑制霉菌繁殖的功能,即抑霉能力不会随涂装时间延长而减退。
对已受霉菌污染的旧墙体其优势尤为明显。
对黑曲霉、黄曲霉、杂色曲霉等多种霉菌具有有效抑制作用。
9512防霉涂料具有极强的附着力和耐水、耐紫外线性能,长期在潮湿环境下使用不起皮、不脱落、不变色。
9512防霉涂料分高光型和亚光型,可根据用户的要求进行电脑调色。
9512防霉涂料可涂刷于水泥砂浆、彩钢板、金属制品、石膏板和木制品等表面。
■用途:9512防霉涂料主要应用于制药厂、肉制品厂、啤酒厂、酿造厂、豆制品厂、乳制品厂、饮品厂、淀粉厂、方便主食品厂、卷烟厂等企业的生产车间、仓库和地下建筑等易受霉菌污染的内墙涂装。
■系列产品9512-Z重防腐型防霉涂料选用特种改性树脂为基料,加入缓蚀剂、特种防霉剂,配以进口固化剂,制成双组份产品,专用于醋车间和其他腐蚀严重的场所。
例如H3C 的S9512这台交换机,背板容量7.2Tbps 交换容量1.44Tbps,包转发率864Mpps
核心交换机上能插很多的接口板和交换网板,这些接口板和交换网板都其实是插在背板上的。
另外,不同接口板之间的通信是靠交换网板转发的。
背板容量7.2Tbps的意思就是背板最多能同时转发7.2T的流量,背板上的serdes接口数量和交换架构决定了背板容量的大小。
背板容量的意义在于,比如这个交换机能插10块接口板,那么7.2T的背板容量意味这每块接口板最大的带宽只能达到720G,如果再大的话,背板就承载不了了。
背板容量越大,接口板的带宽就可以越大,这个数据表明交换机可升级空间的大小。
交换容量指的是交换网板的转发能力,比如现在有两块40*40GE的接口板(那么每块接口板的最大带宽就是1.6T)要相互通信,如果交换容量只有1.44T的话,就意味这两块接口板之间的流量无法达到线速转发,或者说这两块接口板之间的流量有收敛。
包转发率指的是当交换机插满接口板后,整机每秒能够转发多少个64字节的报文,864Mpps的意思就是这个交换机每秒能够转发864M个64字节的报文,这个数据表明了交换机的转发性能。
追问
我看资料中说交换容量又称为背板带宽或交换带宽在这里为什么两个概念是相同的呢?
回答
交换机整机性能有3个指标:背板的交换容量、交换网板的交换容量、包转发率。
不同的资料对这三个指标的叫法不同。
我刚看你的问题时,第一反应就是交换容量就是背板容量。
再看到1.44T 后才猜出它其实指的是交换网的容量。
1995.12 国内考试真题Section One: Listening Comprehension1.(A) She doesn’t like roller skating.(B) She writing a story about roller skating.(C) She’s too busy to go roller skating.(D) The man shouldn’t be going roller skating.2.(A) He already bought a car.(B) He didn’t mean to bother the woman.(C) He didn’t say he would call the woman.(D) He forgot to call the woman.3.(A) Admission to the movie is free.(B) She’ll lend the man some money.(C) She’ll buy the tickets for the movie.(D) She paid for the movie the last time.4.(A) He was surprised the woman didn’t like the concert.(B) He enjoyed the concert more that the woman did.(C) He was not impressed by the conducting.(D) He didn’t like the choice of music.5.(A) The man and woman live on Elm Street.(B) The directions the woman got were wrong.(C) The man and woman are unfamiliar with the area.(D) The woman already called for directions.6.(A) She’s usually in a good mood.(B) She doesn’t feel as cheerful as she looks.(C) She enjoyed her son’s visit.(D) She’s happy because of the weather.7.(A) He’ll miss Professor Lawrence.(B) He’s surprised to hear the woman’s news.(C) Professor Lawrence will continue to work part-time.(D) Professor Lawrence has found a new job.8.(A) He’s not planning to move.(B) He has found a new apartment.(C) He’s looking for a new roommate.(D) He’s also having trouble with his apartment.9.(A) He should do more.(B) She’d be glad to help him.(C) He should be paid.(D) He’s done a lot.10.(A) She’d rather go later.(B) She’d rather sew for an hour.(C) The library is only open an hour more.(D) The library closed an hour ago.11.(A) Sit down to eat.(B) Take the woman’s order.(C) Look for some apples.(D) Remove the woman’s unfinished salad.12.(A) The woman should wait to buy new clothes.(B) The cold weather will probably continue.(C) The weather will warm up soon.(D) He already has a warm coat.13.(A) She’s happy that the student center is getting more computers.(B) She’ll let the man use her computer.(C) She hopes to take a statistics course soon.(D) She’d like to buy a computer.14.(A) Reschedule the meeting.(B) Cancel his membership.(C) Take some time to decide.(D) Talk to the committee.15.(A) Larry usually gets good grades.(B) He helped Larry write the report.(C) He’s surprised at Larry’s grade.(D) It’s strange that Larry and Mark are lab partners.16.(A) She didn’t go skiing last year.(B) She’s just learning to ski.(C) She doesn’t travel very often.(D) She enjoyed her vacation very much.17.(A) The man was excited about winning.(B) The man is very lucky.(C) The man is feeling better now.(D) The man felt bad about losing.18.(A) He doesn’t have time to do his laundry.(B) He’d like the woman to buy some detergent.(C) He’s going to the store.(D) He’s going to buy some detergent.19.(A) He enjoys the history class.(B) He has plenty of time to study.(C) He wants to take another history class.(D) He has too many tests.20.(A) It’s harmful for him to use his voice.(B) He needs to see a doctor.(C) He hasn’t been taking his medicine.(D) It’s difficult to understand him when he whispers.21.(A) The woman is wrong about when his birthday is.(B) He expects to hear from his brother.(C) He bought a present for the woman’s birthday.(D) His brother is coming to visit him.22.(A) They’re going to France for a vacation.(B) The woman doesn’t need to study now.(C) He’s concerned about the woman’s studies.(D) The woman isn’t worrying isn’t worrying about her vacation.23. (A) They’re indifferent to its reviews.(B) They’re convinced that it will be good.(C) They’re puzzled by the criticism of it.(D) They’re glad they saw it together.24.(A) He feels energetic too.(B) He jogs because he doesn’t like aerobics.(C) He just joined a health club to lose weight.(D) He realizes he needs more exercise.25.(A) She wishes the rain would stop soon.(B) She doesn’t care about the weather.(C) She’ll go out after the rain stops.(D) She expects it to rain for four more days.26.(A) He had a doctor examine his injuries.(B) He was supposed to meet the woman yesterday.(C) He’ll have to explain why he missed practice.(D) He asked the woman to take him to the clinic.27.(A) Public speaking makes him nervous.(B) His final examination is this afternoon.(C) He enjoys classroom presentations.(D) He’s going to miss his afternoon classes.28.(A) She wants the man to be at the station when she arrives.(B) She isn’t sure which train she’ll be on.(C) The train will be an hour late.(D) She’ll leave home at 6:30.29.(A) She has probably had a lot of free time this week.(B) She’s probably not planning to come on Sunday.(C) She’s probably not at home.(D) She has probably tried to call.30.(A) He bought it at a well-known store.(B) It was very expensive.(C) He doesn’t consider it attractive.(D) Someone gave it to him.31.(A) His lecture notes weren’t very good.(B) He didn’t understand the lecture.(C) He couldn’t attend the lecture.(D) His research was on the same topic as the lecture.32.(A) Survival strategies for extreme Antarctic cold.(B) Why inactive volcanoes become active.(C) The principal causes of global warming.(D) The effects of volcanoes on the Antarctic ice sheet.33.(A) That a snow cover can cause ice to melt.(B) How heat can prevent ice from melting.(C) How water flows into the ocean.(D) Why volcanoes have a slippery surface.34.(A) Melting ice.(B) Snowfall(C) Glaciers which serve as barriers.(D) Variations in temperature in Antarctica.35.(A) How to increase one’s speed in a bicycle race.(B) Major Canadian bicycle races.(C) The contribution of cycling to health.(D) An annual cycling event.36.(A) The length of the course.(B) The route the cyclists take.(C) The number of participants.(D) The month in which the tour is held.37.(A) They are not competing with each other.(B) They have to pay a high fee.(C) They tend to be beginning cyclists.(D) Most of them fail to finish the route.38.(A) Chocolates.(B) Water(C) First aid.(D) Bicycle repair services.39.(A) Reasons for increased productivity.(B) How wristwatches are manufactured.(C) The industrialization of the United States.(D) The development of individual timepieces.40.(A) They were common in the United States, but not in Europe.(B) Only a few people had them.(C) People considered them essential.(D) They were not very accurate.41.(A) They were a sign of wealth.(B) It was important to be on time.(C) It was fashionable to wear them.(D) They were inexpensive.42.(A) Watches were of higher quality than ever before.(B) More clocks were manufactured than watches.(C) The availability of watches increased.(D) Watches became less important because factories had clocks.43.(A) The difficulty of breeding electric fish.(B) The medical importance of electric fish.(C) How certain fish use electricity.(D) How fish navigate.44.(A) To destroy tree roots.(B) To digest its food.(C) To protect its territory.(D) To find its way.45.(A) To hear a translation of her talk.(B) To hear signals produced by electric fish.(C) To hear sounds used to train electric fish.(D) To hear a tape about electric fish.46.(A) Improved understanding of diseases of the nervous system.(B) Improved understanding of a type of malnutrition.(C) Improved understanding of some types of bone disease.(D) improved understanding of disease of the internal organs.47.(A) The origins and characteristics of modern dance.(B) The influence of modern dance on ballet.(C) Pioneer modern dancers.(D) The training of modern dance choreographers.48.(A) They were created in Europe.(B) They were conventional.(C) The theaters were crowded.(D) The tickets were overpriced.49.(A) Lightness of movement.(B) Elaborate scenery.(C) Free expression.(D) Rigid choreography.50.(A) They performed mainly in Europe.(B) They imitated the techniques of ballet.(C) They performed to classical music.(D) They weren’t formally trained.Section Two: Structure and Written Expression1.The fertile catkins of the willow tree are the green, caterpillar-like ones, commonly____in length.(A) or an inch more(B) or an inch as(C) at least the inches(D) an inch or more2.____a short-handled, long-bladed weapon, similar to a dagger but larger.(A) Like a sword(B) A sword is(C) A sword is what(D) Before a sword3.In 1948 the United States Secretary of States Dean Acheron ____ the Marshall Plan to aid the economic recovery of Europe after the Second World War.(A) begin to carry out(B) began carrying out(C) beginning and carrying out(D) to have begun carrying out4.The protection of technologies and technological information has become______of many nations.(A) the importance of a concern(B) a concern of important(C) the importance concerning(D) an important concern5.____ Several years for bamboo seeds to grow into plants that can be used for commercial purposes.(A) To be taken(B) It takes(C) By taking(D) Although taking6.Arthur Miller’s Play Death of a Salesman is the tragic story of a man destroyed by his own hollow values and those of the society_____ .(A) he lives in which(B) in which he lives(C) which in he lives(D) lives he which in7.During courtship,____ displays his greenand-gold upper tail feathers before the peahen.(A) in which the crested peacock(B) which the crested peacock(C) the crested peacock that(D) the crested peacock8._____ Theories approximate the truth is the day-to-day business of science.(A) Determining how closely(B) How closely to determine(C) How one determines close(D) One is close to determining9.The earthworm is a worm_____ in moist, warm soil in many geographical areas.(A) where is it found(B) is found(C) and found it(D) found10._____ Advance and retreat in their eternal rhythms, but the surface of the sea itself is never at rest.(A) Not only when the tides do(B) As the tides not only do(C) Not only do the tides(D) Do the tides not only11.The monarch butterfly’s migration of 1,800 miles or more makes______ among insects.(A) uniquely(B) is uniquely(C) it unique(D) it is unique12.A reagent is any chemical that reacts in a predictable way______ with other chemicals.(A) when mixed(B) when is mixed(C) it mixed(D) mixed is13.By the 1950’s, Mahalia Jackson’s powerful, joyous gospel music style had gained her_____ .(A) and she had an international reputation(B) with an international reputation(C) which was her international reputation(D) an international reputation14.Hovercraft, or air-cushion vehicles, are unusual_____ travel over land water on a layer of air.(A) they(B) in they(C) that they(D) in that they15.In the United States, a primary election is a method_____ voters select the nominees for public office(A) that(B) is that(C) by which(D) by those16. Allan Pinkerton, founder of the famous detective agency that bears him name,A B Cdirected a Civil War espionage system behind Confederate lines.D17. Until the 1910 formation of the National Hockey Association in eastern Canada,Aprofessional and amateur teams were allowed to playfully together.B C D18. Contralto Marian Anderson became a member permanent of the Metropolitan OperaA B CCompany in 1955.D19. Widely acknowledged as a great and important playwright, Eugene O’Neill broughtAto the United States stage it was probably its first really serious drama.B C D20. Because some critics considered it decadent, subversive, and incomprehensibly,A Babstract art encountered much opposition in its early years.C D21. To survive, most birds must eat at least half their own weigh in food every day.A B C D22. The glass tube in a fluorescent lamp contains mercury vapor under small pressure.A B C D23. In 1977, Marilyn Yadlowski, a undergraduate at Cornell University, found that pigeonsAhad excellent low-frequency hearing, far surpassing that of humans.B C D24. The General Accounting Office reviews the accounting systems used by federalAagencies to determination whether expenditures conform to laws, and it also settles claims.B C D25. Australian koalas are furry, gray animal that live in trees and feed on leaves.A B C D26. Won its war for independence in 1783, the United States then struggled to establishA Bits own economic and financial system.C D27. The first known radio program among the United States was broadcast on ChristmasA B CEve, 1906, by Reginald Fessenden from his experimental station at Brant Rock, Massachusetts.D28. A typical feature-length film costs millions of dollars to make and requiresA B Cthe skillful of hundreds of workers.D29. After his trips to the West between 1869 and 1872, Ralph Albert Blakelock wouldA Boften painted American Indian encampments on brown-and-yellow-toned canvases.C D30. Artist Helen Frankenthaler returned home from college in 1949 to her native New York,A Bthe city producing the most art revolutionary of the day.C D31. The giraffe’s long neck and legs are the most obvious features that make differentA B Cfrom all other animals.D32. Tilling means preparation the soil to plant the seeds and keeping the soil in the bestA B Ccondition to help crop grow until it is ready for harvesting.D33. The city of Boston was settled in 1630 on a hilly, wooded peninsula where the CharlesA B CRiver flows into a natural harbors.D34. Critical thinkers are able to identify main issues, recognize underlying assumptions,A B Cand evaluating evidence.D35. Because of its maneuverability and ability to land and take off in small areas theA B Chelicopter is used in wide range of services.D36. Melting glaciers may account the rise in sea level that has taken place duringA B C Dthis century.37. Farce is a dramatic form that derives much of its humorous from improbable charactersA B C Dand situations.38. Anthropologist Jane Goodall has contributed a wealth information concerning primateA Bbehavior through her studies of chimpanzees.C D39. The discovery of gold in 1848 transformed San Francisco suddenly from a quiet portA B Cinto one of the world’s richest and most famous city.D40. The outermost part of the Sun’s atmosphere is very hot that its gases continuallyA B C Dexpand away from the Sun.Section Three: Reading ComprehensionQuestions 1-10Another early Native American tribe in what is now the southwestern part of the United States was the Anasazi. By A. D. 800 the Anasazi Indians were constructingmultistory pueblos-massive, stone apartment compounds. Each one was virtually astone town, which is why the Spanish would later call them pueblos, the Spanish word (5) for towns. These pueblos represent one of the Anasazis' supreme achievements. Atleast a dozen large stone houses took shape below the bluffs of Chiaco Canyon innorthwest New Mexico. They were built with masonry walls more than a meter thickand adjoining apartments to accommodate dozens, even hundreds, of families. Thelargest, later named Pueblo Bonito (Pretty Town) by the Spanish, rose in five terraced (10) stories, contained more than 800 rooms, and could have housed a population of 1,000or more.Besides living quarters, each pueblo included one or more kivas-circular underground chambers faced with stone. They functioned as sanctuaries where theelders met to plan festivals, perform ritual dances, settle pueblo affairs, and impart (15) tribal lore to the younger generation. Some kivas were enormous. Of the 30 or so atpueblo Bonito, two measured 20 meters across. They contained niches for ceremonialobjects, a central fire pit, and holes in the floor for communicating with the spirits oftribal ancestors.Each pueblo represented an astonishing amount of well-organized labor. Using only(20) stone and wood tools, and without benefit of wheels or draft animals, the buildersquarried ton upon ton of sandstone from the canyon walls, cut it into small blocks,hauled the blocks to the construction site, and fitted them together with mud mortar.Roof beams of pine or fir had to be carried from logging areas in the mountain forestsmany kilometers away. Then, to connect the pueblos and to give access to the (25) surrounding tableland, the architects laid out a system of public roads with stonestaircases for ascending cliff faces. In time, the roads reached out to more than80 satellite villages within a 60-kilometer radius.1.The paragraph preceding the passage most(A) how pueblos were built(B) another Native American tribe(C) Anasazi crafts and weapons(D) Pueblo village in New Mexico2.What is the main topic of the passage?(A) The Anasazi pueblos(B) Anasazi festivals of New Mexico(C) The organization of the Anasazi tribe(D) The use of Anasazi sanctuaries3.The word "supreme" in lien 5 is closest in meaning to(A) most common(B) most outstanding(C) most expensive(D) most convenient4.The word "They" in line 7 refers to(A) houses(B) bluffs(C) walls(D) families5.The author mentions that Pueblos bonito had more than 800 rooms as an example of which of the following?(A) How overcrowded the pueblos could be(B) How many ceremonial areas it contained(C) How much sandstone was needed to build it(D) How big a pueblo could be6.The word "settle" in line 14 is closest in meaning to(A) sink(B) decide(C) clarify(D) locate7.It can be inferred from the passage that building a pueblo probably(A) required many workers(B) cost a lot of money(C) involved the use of farm animals(D) relied on sophisticated technology8.The word "ascending" in line 26 is closest in meaning to(A) arriving at(B) carving(C) connecting(D) climbing9.It can be inferred from the passage that in addition to pueblos the Anasazis were skilled at building which of following?(A) Roads(B) Barns(C) Monuments(D) Water systems10.The pueblos are considered one of the Anasazis' supreme achievements for all of the following reasons EXCEPT that they were(A) very large(B) located in forests(C) built with simple tools(D) connected in a systematic wayQuestions 11-21Accustomed though we are to speaking of the films made before 1927 as "silent", the film has never been, in the full sense of the word, silent. From the very beginning,music was regarded as an indispensable accompaniment; when the Lumiere films wereshown at the first public film exhibition in the United States in February 1896, they (5) were accompanied by piano improvisations on popular tunes. At first, the music playedbore no special relationship to the films; an accompaniment of any kind was sufficient.Within a very short time, however, the incongruity of playing lively music to a solemnfilm became apparent, and film pianists began to take some care in matching theirpieces to the mood of the film.(10) As movie theaters grew in number and importance, a violinist, and perhaps a cellist,would be added to the pianist in certain cases, and in the larger movie theaters smallorchestras were formed. For a number of years the selection of music for each filmprogram rested entirely in the hands of the conductor or leader of the orchestra, andvery often the principal qualification for holding such a position was not skill or taste (15) so much as the ownership of a large personal library of musical pieces. Since theconductor seldom saw the films until the night before they were to be shown (if,indeed, the conductor was lucky enough to see them then), the musical arrangementwas normally improvised in the greatest hurry.To help meet this difficulty, film distributing companies started the practice of (20) publishing suggestions for musical accompaniments. In 1909, for example, the EdisonCompany began issuing with their films such indications of mood as "pleasant', "sad","lively". The suggestions became more explicit, and so emerged the musical cue sheetcontaining indications of mood, the titles of suitable pieces of music, and precisedirections to show where one piece led into the next.(25) Certain films had music especially composed for them. The most famous of theseearly special scores was that composed and arranged for D. W. Griffith's film Birth ofa Nation, which was released in 1915.11.The passage mainly discusses music that was(A) performed before the showing of a film(B) played during silent films(C) specifically composed for certain movie theaters(D) recorded during film exhibitions12.What can be inferred that the passage about the majority of films made after 1927?(A) They were truly "silent".(B) They were accompanied by symphonic orchestras.(C) They incorporated the sound of the actors' voices.(D) They corresponded to specific musical compositions.13.The word "solemn" in line 7 is closest in meaning to(A) simple(B) serious(C) short(D) silent14.It can be inferred that orchestra conductors who worked in movie theaters needed to(A) be able to play many instruments(B) have pleasant voices(C) be familiar with a wide variety of music(D) be able to compose original music15.The word "them" in line 17 refers to(A) years(B) hands(C) pieces(D) films16.According to the passage, what kind of business was the Edison Company?(A) It produced electricity.(B) It distributed films.(C) It published musical arrangements.(D) It made musical instruments.17.It may be inferred from the passage that the first musical cue sheets appeared around(A) 1896(B) 1909(C) 1915(D) 192718.Which of the following notations is most likely to have been included on a musical cue sheet of the early 1900's?(A) "Calm, peaceful"(B) "Piano, violin"(C) "Key of C major"(D) "Directed by D. W. Griffith"19.The word "composed" in line 26 is closest in meaning to(A) selected(B) combined(C) played(D) created20.The word "scores" in line 26 is closest in meaning to(A) totals(B) successes(C) musical compositions(D) groups of musicians21.The passage probably continues with a discussion of(A) famous composers of the early twentieth century(B) other films directed by D. W. Griffith(C) silent films by other directors(D) the music in Birth of a NationQuestions 22-31The Earth comprises three principal layers: the dense, iron-rich core, the mantle made of silicate rocks that are semimolten at depth, and the thin,, solid-surface crust.There are two kinds of crust, a lower and denser oceanic crust and an upper, lightercontinental crust found over only about 40 percent of the Earth's surface. The rocks (5) of the crust are of very different ages. Some continental rocks are over 3,000 millionyears old, while those of the ocean flow are less than 200 million years old. The crustsand the top, solid part of the mantle, totaling about 70 to 100 kilometers in thickness,at present appear to consist of about 15 rigid plates, 7 of which are very large. Theseplates move over the semimolten lower mantle to produce all of the major topographical (10) features of the Earth. Active zones where intense deformation occurs are confined tothe narrow, interconnecting boundaries of contact of the plates.There are three main types of zones of contact: spreading contacts where plates moveapart, converging contacts where plates move towards each other, and transformcontacts where plates slide past each other. New oceanic crust is formed along one or (15) more margins of each plate by material issuing from deeper layers of the Earth's crust,for example, by volcanic eruptions of lava at midocean ridges. If at such a spreadingcontact the two plates support continents, a rift is formed that will gradually widen andbecome flooded by the sea. The Atlantic Ocean formed like this as the American andAfro-European plates move in opposite directions. At the same time at margins of (20) converging plates, the oceanic crust is being reabsorbed by being subducted into themantle and remelted beneath the ocean trenches. When two plates carrying continentscollide, the continental blocks, too light to be drawn down, continue to float andtherefore buckle to form a mountain chain along the length of the margin of the plates.22.The word "comprises" in line 1 is closest in meaning to(A) adapts to(B) benefits from(C) consists of(D) focuses on23.According to the passage, on approximately what percent of the Earth's surface is the continental crust found?(A) 15(B) 40(C) 70(D) 10024.The word "which" in line 8 refers to(A) crusts(B) kilometers(C) plates(D) continents25.The word "intense" in line 10 is closest in meaning to(A) surface(B) sudden(C) rare(D) extreme26.What does the second paragraph of the passage mainly discuss?(A) The major mountain chains of the Earth(B) Processes that create the Earth's surface features(C) The composition of the ocean floors(D) The rates at which continents move27.Which of the folliwng drawings best represents a transform contact (line 13-14)?(A)(B)(C)(D)28.The word "margins" in line 15 is closest in meaning to(A) edges(B) peaks(C) interiors(D) distances29.The word "support" in line 17 is closest in meaning to(A) separate(B) create(C) reduce(D) hold30.According to the passage, mountain range are formed when(A) the crust is remelted(B) two plates separate(C) a rift is flooded(D) continental plates collide31.Where in the passage does the author describe how oceans are formed?(A) Lines 3-4(B) Lines 6-8(C) Lines 16-18(D) Lines 19-21Questions 32-40Coincident with concerns about the accelerating loss of species and habitats has been a growing appreciation of the importance of biological diversity, the number ofspecies in a particular ecosystem, to the health of the Earth and human well-being.Much has been written about the diversity of terrestrial organisms, particularly the (5) exceptionally rich life associated with tropical rain-forest habitats. Relatively little hasbeen said, however, about diversity of life in the sea even though coral reef systems are。