【单选题】
At present, nearly of the world’s population communicate in English.
A. A. half
B. B. a quarter
C. C. one third
D. D. one fifth
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相关试题
【单选题】
The attack on Rome ended the Roman occupation in Britain in 410.
A. A. Norman
B. B. Danish
C. C. Celtic
D. D. Germanic
【单选题】
By the late 7th century, became the dominant religion in England.
A. A. Celtic Christianity
B. B. Anglo-Saxon Christianity
C. C. Germanic Christianity
D. D. Roman Christianity
【单选题】
Westminster Abbey was built at the time of .
A. A. St. Augustine
B. B. Edward the Confessor
C. C. William the Conqueror
D. D. Alfred the Great
【单选题】
The marked the establishment of feudalism in England.
A. A. Viking invasion
B. B. signing of the Magna Carta
C. C. Norman Conquest
D. D. Adoption of common law
【单选题】
The end of the Wars of the Roses led to the rule of .
A. A. the House of Valois
B. B. the House of York
C. C. the House of Tudor
D. D. the House of Lancaster
【单选题】
The direct cause for the Religious Reformation was King Henry VIII’s effort to .
A. A. divorce his wife
B. B. break with Rome
C. C. support the Protestants
D. D. declare his supreme power over the church
【单选题】
The English Civil War broke out in 1642 between .
A. A. Protestants and Puritans
B. B. Royalists and Parliamentarians
C. C. nobles and peasants
D. D. aristocrats and Christians
【单选题】
was passed after the Glorious Revolution.
A. A. Bill of Rights
B. B. Act of Supremacy
C. C. Provisions of Oxford
D. D. Magna Carta
【单选题】
The Industrial Revolution was aThe Industrial Revolution was accomplished in Britain by the middle of the century.
A. A. 17th
B. B. 18th
C. C. 19th
D. D. 20th
【单选题】
Britain faced strong challenges in its global imperial dominance by the beginning of the century.
A. A. 17th
B. B. 18th
C. C. 19th
D. D. 20th
【单选题】
As a revising chamber, the House of Lords is expected to the House of Commons.
A. A. rival
B. B. complement
C. C. criticize
D. D. inspect
【单选题】
The British government is characterized by a division of powers between three of the following branches with the exception of the .
A. A. judiciary
B. B. legislature
C. C. monarchy
D. D. executive
【单选题】
The importance of the British monarchy can be seen in its effect on .
A. A. passing the bills
B. B. advising the government
C. C. political parties
D. D. public attitude
【单选题】
British Cabinet works on the principle of .
A. A. collective responsibility
B. B. individual responsibility
C. C. defending the collectivism
D. D. defending the individuals
【单选题】
The main duty of the British Privy Council is to .
A. A. make decisions
B. B. give advice
C. C. pass bills
D. D. supervise the Cabinet
【单选题】
is the first African-American winner of the Nobel Prize for Literature.
A. A.Ralph Ellison
B. B. Tony Morrison
C. C. Richard Wright
D. D. James Baldwin
【单选题】
Of the following writers, is Not a Nobel Prize winner.
A. A. Alice Walker
B. B. Ernest Hemingway
C. C. William Faulkner
D. D. Eugene O’Neil
【单选题】
Of the following books, is NOT written by Ernest Hemingway.
A. A. The Sun Also Rises
B. B. The Sound and the Fury
C. C. A Farewell to Arms
D. D. For Whom the Bell Tolls
【单选题】
F. Scott Fitzgerald’s finest novel is , and its theme is about
A. A. The Great Gatsby, the American Dream
B. B. Tender is the Night, love
C. C. Tales of the Jazz Age, the loss of oneself
D. D. The Beautiful and the Damned, the evil of human nature
【单选题】
Of the following writers, is NOT included in the group of naturalists.
A. A. Stephen Crane
B. B. Frank Norris
C. C. Theodore Dreiser
D. D. Herman Melville
【单选题】
Of the following, is NOT characteristic of Mark Twain’s works.
A. A. colloquial speech
B. B. a sense of humor
C. C. a realistic view
D. D. an idealistic view
【单选题】
Of the following, is considered Herman Melville’s masterpiece.
A. A. The Last of the Mohicans
B. B. The Legend of Sleepy Hollow
C. C. Moby Dick
D. D. Daisy Miller
【单选题】
Of the following, is NOT Nathaniel Hawthorne’s work.
A. A. The Scarlet Letter
B. B. The House of the Seven Gables
C. C. The Marble Faun
D. D. Nature
【单选题】
is regarded as “the father of American literature”.
A. A. James Fennimore Cooper
B. B. Ralph Waldo
C. C. Thomas Jefferson
D. D. Washington Irving
【单选题】
Of the following writers, are from the Colonial and Revolutionary Periods.
A. A. Benjamin Franklin & Edgar Ellen Poe
B. B. Edgar Ellen Poe & Jonathan Edwards
C. C. Benjamin Franklin & Jonathan Edwards
D. D. Edgar Ellen Poe & Washington Irving
【单选题】
The National Day of the United States falls on .
A. A. June 4th
B. B. July 4th
C. C. June 14th
D. D. July 14th
【单选题】
Of the following, is NOT among the three major radio and TV networks in America.
A. A. the National Broadcasting System (NBS)
B. B. the Public Broadcasting Service (PBS)
C. C. the Columbia Broadcasting System (CBS)
D. D. the American Broadcasting System (ABS)
【单选题】
is sold especially to the upper or upper-middle class and it has a reputation for its serious attitude and great bulk.
A. A. The Washington Post
B. B. The New York Times
C. C. Los Angeles Times
D. D. New York Daily News
【单选题】
Of the following universities, has NOT cultivated any American President yet.
A. A. Harvard University
B. B. Massachusetts Institute of Technology
C. C. Princeton University
D. D. Yale University
【单选题】
To get a bachelor’s degree, all undergraduate students are required to do the following except .
A. A. attending lectures and completing assignments
B. B. passing examinations
C. C. working for communities
D. D. earning a certain number of credits
【单选题】
Of the following, is NOT the responsibility of the board of trustees in U. S. institutions.
A. A. choosing the president
B. B. establishing policies for administrators and faculty
C. C. approving budget and other financial project
D. D. decide which student to enroll
【单选题】
Of the following, are NOT among the categories of American higher education.
A. A. universities and colleges
B. B. research institutions
C. C. technical institutions
D. D. community colleges
【单选题】
Higher education in the United States began with the founding of
A. A. Yale University
B. B. Harvard University
C. C. Princeton University
D. D. New York University
【单选题】
Of the following subjects, are NOT offered to elementary school students.
A. A. mathematics and languages
B. B. politics and business education
C. C. science and social studies
D. D. music and physical education
【单选题】
Formal education in the United States consists of , secondary and higher education.
A. A. kindergarten
B. B. public
C. C. elementary
D. D. private
【单选题】
At present, U. S. exports account for of the world’s total.
A. A. 10%
B. B. 15%
C. C. 20%
D. D. 25%
【单选题】
is not one of the three giants in American automobile industry.
A. A. Ford
B. B. General Motors
C. C. Chrysler
D. D. American Motors
【单选题】
The following statements are all true except .
A. A. Agribusinesses reflect the big, corporate nature of many farm enterprises.
B. B. Agribusinesses maintain a balanced trade pattern between agricultural imports and exports.
C. C. Agribusinesses range from one-family corporations to multinational firms.
D. D. Agribusinesses include a variety of farm businesses and structures.
【单选题】
About of American crops are for export.
A. A. half
B. B. one third
C. C. one fourth
D. D. one fifth
【单选题】
President Johnson tried to build a “Great Society” by introducing various programs like the following except .
A. A. Medicare
B. B. Food Stamps
C. C. Education Initiatives
D. D. Unemployment Pension
推荐试题
【单选题】
30.JMP n 这条指令中，n的取值范围是___。
A. 0-128；
B. 1-64；
C. 0-256；
D. 0-255；
【单选题】
31.顺序控制段开始指令的操作码是___。
A. SCR；
B. SCRP；
C. SCRE；
D. SCRT；
【单选题】
32.给出FOR指令的格式如右图所示。当EN条件允许时将FOR 与NEXT 指令之间的程序执行___次。
A. 20；
B. 1；
C. VW10；
D. 19；
【单选题】
33.ABB工业机器人的赋值指令是___。
【单选题】
34.以下偏移指令是___。
A. Abs
B. Off
C. Offs
D. PDispOff
【单选题】
35.调用例行程序指令是___。
A. Call
B. Goto
C. ProCall
D. Program
【单选题】
36.以下哪个是模拟输入信号判断指令___。
A. WaitDI
B. WatDO
C. WaitAI
D. WaitDO
【单选题】
37.以下哪个是重复执行判断指令___。
A. IF
B. WHILE
C. GOTO
D. FOR
【单选题】
38.以下哪个不属于生产类型___。
A. 超量生产
B. 大量生产
C. 单件生产
D. 成批生产
【单选题】
39.大批大量生产对工人技术要求___。
【单选题】
41.研制出第一台PLC的时间和公司是___。
A. 1958年，德国西门子公司
B. 1969年，美国数字设备公司
C. 1970年，ABB公司
D. 1957年，施耐德公司
【单选题】
42.PLC的工作方式是___。
A. 等待工作方式；
B. 中断工作方式；
C. 扫描工作方式；
D. 循环扫描工作方式；
【单选题】
43.当PLC输入点给一激励信号时，输入模块上对应指示灯发亮，则表示该点的___。
A. 现场连线接通
B. 现场连线断开
C. 现场连线故障
D. 现场连线短路
【单选题】
44.在输出扫描阶段，将___寄存器中的内容复制到输出接线端子上。
A. 输入映象；
B. 输出映象；
C. 变量存储器；
D. 内部存储器；
【单选题】
45.WORD数据格式的位数是___。
A. 1位
B. 8位
C. 16位
D. 32位
【单选题】
46.双字整数的加减法指令的操作数都采用___寻址方式。
A. 字；
B. 双字；
C. 字节；
D. 位；
【单选题】
47.若整数的乘/除法指令的执行结果是零则影响___位。
A. SM1.0；
B. SM1.1；
C. SM1.2；
D. SM1.3；
【单选题】
48.工业机器人控制系统主要包括___、机器人操作系统、机器人I/O等。
A. 机器人驱动系统
B. 机器人示教盒
C. 机器人控制柜
D. 机器人通信电缆
【单选题】
49.工业机器人控制系统主要包括机器人示教盒、___、机器人I/O等。
A. 机器人操作系统
B. 机器人驱动系统
C. 机器人控制柜
D. 机器人通信电缆
【单选题】
50.工业机器人控制系统主要包括机器人示教盒、机器人操作系统、___等。
A. 机器人驱动系统
B. 机器人通信电缆
C. 机器人控制柜
D. 机器人I/O
【单选题】
51.一般市场上应用较多的分类方法是按照机器人的结构和机器人的___来分类。
A. 控制方式
B. 自由度
C. 用途
D. 应用领域
【单选题】
52.一般市场上应用较多的分类方法是按照机器人的___和机器人的用途来分类。
A. 控制方式
B. 结构
C. 用途
D. 应用领域
【单选题】
53.目前市场上应用最多的为___ 轴机器人。
【单选题】
54.参数IP54表示工业机器人的___。
A. 到达距离
B. 重复定位精度
C. 防护等级
D. 承载能力
【单选题】
55.关于机器人程序指令，下面写法正确的是___。
A. WaitDI do1=1
B. WaitDO d01=1
C. Set do1=1
D. Reset do1
【单选题】
56.机器人程序1调用了机器人程序2，在调用期间如果要返回到程序1，需用的指令是___。
A. ProcCall
B. RETURN
C. GOTO
D. Label
【单选题】
57.机器人程序语句MoveAbsJ* ……中,数据*的类型是___。
A. robtarget
B. Wobjdata
C. jointtarget
D. num
【单选题】
58.机器人执行完程序语句MoveL offs（P10, 0,0,50）…… 后，工作点在P10的___方向。
【单选题】
59.在示教器___窗口可以定义机器人I/O信号。
A. 程序编辑器
B. 手动操纵
C. 输入输出
D. 控制面板
【单选题】
60.如果让机器人安装完手机按键后等待1秒钟，正确的指令是___。
A. WaitTime 1000
B. WaitTime 100
C. WaitTime 10
D. WaitTime 1
【单选题】
61.下面的___项不属于工业机器人的特点。
A. 可编程
B. 专用性
C. 抗疲劳
D. 高精度
【单选题】
62.工业机器人可通过示教手动编程和___两种方式控制机器人按照预想的路径进行工作。
A. 离线计算机编程
B. 在线计算机编程
C. 离线PLC编程
D. 在线PLC编程
【单选题】
63.工业机器人可通过___和离线计算机编程两种方式控制机器人按照预想的路径进行工作。
A. 示教自动编程
B. 示教手动编程
C. 离线PLC编程
D. 在线PLC编程
【单选题】
64.设累加器AC2中的低四位存有十进制数3，现执行以下指令，则指令的执行结果VW40的内容是___。
A. 0008H；
B. 08H；
C. 03H；
D. 0003H；
【单选题】
65.高速计数器HSC0有___种工作方式。
A. 8种；
B. 1种；
C. 12种；
D. 9种；
【单选题】
66.高速计数器2的控制字节是___ 。
A. SMB37；
B. SMB47；
C. SMB57；
D. SMB137；
【单选题】
67.定义高速计数器指令的操作码是___。
A. HDEF；
B. HSC；
C. HSC0；
D. MODE；
【单选题】
68.以下不属于PLC的中断事件类型的是___ 。
A. 通讯口中断；
B. I/O中断；
C. 时基中断；
D. 编程中断；
【单选题】
69.若波特率为1200，若每个字符有12位二进制数，则每秒钟传送 的字符数为___个。
A. 120；
B. 100；
C. 1000；
D. 1200；
