【单选题】
遗传算法将问题的求解表示成“染色体”，“染色体”实际上是___。
A. 用编码表示的字符串
B. 存在于细胞核中能被碱性染料染色的物质
C. 种群
D. 各种数值
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相关试题
【单选题】
对机器人进行示教时,作为示教人员必须事先接受过专门的培训才行，与示教作业人员一起进行作业的监护人员,处在机器人可动范围外时,___，可进行共同作业。
A. 必须事先接受过专门的培训
B. 不需要事先接受过专门的培训
C. 没有事先接受过专门的培训也可以D.具有经验即可
【单选题】
位置等级是指机器人经过示教的位置时的接近程度,设定了合适的位置等级时，可使机器 人运行出与周围状况和工件相适应的轨迹，其中位置等级___。
A. CNT 值越小,运行轨迹越精准
B. CNT 值大小, 与运行轨迹关系不大C.CNT 值越大,运行轨迹越精准 D.只与运动速度有关
【单选题】
试运行是指在不改变示教模式的前提下执行模拟再现动作的功能, 机器人动作速度超过示教最高速度时,以___。
A. 示教最高速度来限制运行
B. 程序给定的速度运行
C. 示教最低速度来运行
D. 程序报错
【单选题】
传感器的基本转换电路是将敏感元件产生的易测量小信号进行变换，使传感器的信号输出符合具体工业系统的要求。一般为___。
A. 4～20mA、-5～5V
B. 0～20mA、0～5V
C. -20mA～20mA、-5～5V
D. -20mA～20mA、0～5V
【单选题】
C.具有人的形象 D.感知能力很强12163.当代机器人主要源于以下两个分支___。
A. 遥操作机与数控机床
B. 遥操作机与计算机
C. 计算机与数控机床
D. 计算机与人工智能
【单选题】
C.结构与运动 D.传感系统与运动12171.机器人终端效应器（手）的力量来自___。
A. 决定机器人手部位姿的各个关节
B. 机器人手部的关节C.决定机器人手部位置的各关节 D.机器人的全部关节
【单选题】
如果末端装置、工具或周围环境的刚性很高，那么机械手要执行与某个表面有接触的操作作业将会变得相当困难。此时应该考虑___。
A. 柔顺控制
B. PID 控制
C. 模糊控制
D. 最优控制
【单选题】
C.调制方式不一样 D.编码方式不一样12190.CCD（Charge CoupleD Device）摄像头输出信号为___帧/秒。
A. 25
B. 20
C. 30
D. 50
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Chartered companies were NOT granted the by the British King or Queen.
A. A. political authority
B. B. economic rights
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The modern American economy progressed from to , and eventually, to .
A. A. colonial economy, handcraft economy, industrial economy
B. B. farming economy, handcraft economy, industrial economy
C. C. colonial economy, farming economy, industrial economy
D. D. handcraft economy, farming economy, industrial economy
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America produces a major portion of the world’s products in the following fields except .
A. A. machinery
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The President is directly voted into office by .
A. A. all citizens of America
B. B. the citizens over 18 years old
C. C. electors elected by the voters
D. D. the senators and representatives
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The Supreme Court is composed of justices.
A. A. six
B. B. seven
C. C. eight
D. D. nine
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The terms for a Senator and Representative are and years respectively.
A. A. two, four
B. B. two, three
C. C. two, six
D. D. six, two
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According to the Constitution, a candidate for President must be .
A. A. at least 35 years old
B. B. at least a 14 years’ resident of the United States
C. C. born in America
D. D. all of the above
【单选题】
The following except are all powers of the President.
A. A. vetoing any bills passed by Congress
B. B. appointing federal judges when vacancies occur
C. C. making laws
D. D. issuing executive orders
【单选题】
All the following except cannot make legislative proposal.
A. A. the Senator
B. B. the Representative
C. C. the Secretary of State
D. D. the President
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The following except are guaranteed in the Bill of Rights.
A. A. freedom of religion
B. B. the right to get into people’s house by police
C. C. freedom of speech and of press
D. D. the right to own one’s weapon if one wishes
【单选题】
The Bill of Rights .
A. A. defines the rights of Congress and the rights of the President
B. B. guarantees citizens of the United States specific individual rights and freedoms
C. C. is part of the Declaration of Independence
D. D. has no relationship with the Constitution
【单选题】
The Constitution of the United States .
A. A. gives the most power to Congress
B. B. gives the most power to the President
C. C. tries to give each branch enough power to balance the others
D. D. gives the most power to the Supreme Court
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The U. S. Constitution came into effect in .
A. A. 1787
B. B. 1789
C. C. 1791
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The Vietnam War was a long-time suffering for Americans, and it continued throughout the terms of Presidents .
A. A. Johnson, Nixon and Ford
B. B. Truman, Eisenhower and Kennedy
C. C. Kennedy, Johnson and Nixon
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President applied New Deal to deal with the problems of the Great Depression.
A. A. Wilson
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D. D. Kennedy
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The policy of the United States was at the beginning of the two world wars.
A. A. neutrality
B. B. full involvement
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Abraham Lincoln issued to grant freedom to all slaves.
A. A. Declaration of Independence
B. B. Constitution
C. C. Emancipation Proclamation
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In May 1775, was held in Philadelphia and began to assume the functions of a national government.
A. A. the First Continental Congress
B. B. the Second Continental Congress
C. C. the Boston Tea Party
D. D. the Congress of Confederation
【单选题】
The first shots of the American dependence were fired in .
A. A. Concord
B. B. Lexington
C. C. Philadelphia
D. D. Boston
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“No taxation without representation” was the rallying slogan of .
A. A. the settlers of Virginia
B. B. the people of Pennsylvania
C. C. the colonists in New England
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The Seven Years’ War occurred between the .
A. A. French and American Indians
B. B. French and Spaniards
C. C. French and British
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Pilgrim Fathers are a group of who came to America to avoid persecution in England.
A. A. Protestants
B. B. Puritans
C. C. Catholics
D. D. Christians
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The first successful English colony in North America was founded at in .
A. A. Jamestown, Louisiana
B. B. Boston, Massachusetts
C. C. Jamestown, Virginia
D. D. Plymouth, Georgia
【单选题】
The characteristic of dominant American culture is .
A. A. English-speaking, northern European, Roman Catholic and middle-class
B. B. English-speaking, western European, Roman Catholic and upper-class
C. C. English-speaking, northern European, Protestant and upper-class
D. D. English-speaking, western European, Protestant and middle-class
【单选题】
The ImmiWar of Ingrants Act of 1924 restricted the further immigration into the United States, particularly from .
A. A. Europe
B. B. Asia
C. C. Africa
D. D. South America
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The largest minority in the United States is the .
A. A. Pacific Islanders
B. B. Blacks
C. C. Native Americans
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The native Alaskan population includes the following except the .
A. A. Indians
B. B. Eskimos
C. C. Aleuts
D. D. Blacks
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is located on the U. S. –Canadian border between Lake Erie and Lake Ontario.
A. A. Yellowstone National Park
B. B. The Grand Canyon
C. C. Niagara Falls
D. D. The Great Salt Lake
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Some of the world famous universities like Harvard, Yale and MIT are located .
A. A. in the South
B. B. along the Pacific Coast
C. C. in New England
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The largest river in the U. S. is .
A. A. the Missouri River
B. B. the Mississippi River
C. C. the Ohio River
D. D. the Colorado River
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The U. S. lies in North America, with Canada to the north, Mexico to the south, the Atlantic to its and the Pacific to its .
A. A. northern, east, west
B. B. central, east, west
C. C. southern, west, east
D. D. western, east, west
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The state of is the largest in area of all the states.
A. A. Alaska
B. B. Hawaii
C. C. Texas
D. D. Florid
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Waiting for Godot is written by .
A. A. Samuel Beckett
B. B. George Orwell
C. C. William Golding
D. D. D. H. Lawrence
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Of the following writers, is NOT a Nobel Prize winner.
A. A. Samuel Beckett
B. B. James Joyce
C. C. William Golding
D. D. V. S. Naipaul
【单选题】
Of the following statements, is NOT correct about Virginia Woolf.
A. A. She was a central figure of the “Bloomsbury Group”.
B. B. She experimented with stream of consciousness.
C. C. She was an influential feminist.
D. D. Her masterpiece was The Rainbow.
【单选题】
Of the following books, was NOT written by Thomas Hardy.
A. A. Jude the Obscure
B. B. Tess of the D’Urbervilles
C. C. Adam Bede
D. D. The Return of the Native
【单选题】
is NOT included in the modernist group.
A. A. Oscar Wild
B. B. Virginia Woolf
C. C. William Butler Yeats
D. D. T. S. Eliot
【单选题】
Of the following statements, is NOT correct in terms of Neo-Romanticism.
A. A. It prevailed at the end of the 19th century.
B. B. The writers were dissatisfied with the social reality.
C. C. The writers believed in “Art for Art’s Sake”.
D. D. Treasure Island was a representative work.
【单选题】
is a representative of English Critical Realism at the turn of the 19th century.
A. A. Robert Louis Stevenson
B. B. John Milton
C. Joseph Conrad
D. D. Thomas Hardy
