【单选题】
(36947)拆除混凝土模板时，应___进行。(1.0分)
A. 先难后易
B. 自下而上
C. 自上而下
D. 上下同时
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答案
C
解析
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相关试题
【单选题】
(36954)维修作业___，并在车站办理相关登记手续。(1.0分)
A. 必须纳入月度施工计划
B. 应纳入维修天窗计划
C. 应利用列车间隔进行
D. 应纳入施工天窗计划
【单选题】
(36956)凡未办理验交的线路、桥隧等设备，由___负责巡查养护，保证行车安全。(1.0分)
A. 设备管理单位
B. 施工单位
C. 设备管理单位和施工单位共同负责
D. 施工完成后24h自行交由设备管理单位
【单选题】
(36965)确报信号通知___(1.0分)
A. 施工负责人，车站已对施工区间办理闭塞
B. 施工负责人，车站已向施工区间发车
C. 施工负责人及全体施工人员，列车已经接近
D. 施工负责人，刚刚发过的预报(或确报)信号已予取消
【单选题】
(36966)预报信号通知___(1.0分)
A. 施工负责人，车站已对施工区间办理闭塞
B. 施工负责人，车站已向施工区间发车
C. 施工负责人及全体施工人员，列车已经接近
D. 施工负责人，刚刚发过的预报(或确报)信号已予取消
【单选题】
(36967)警报信号通知___(1.0分)
A. 施工负责人，车站已对施工区间办理闭塞
B. 施工负责人，车站已向施工区间发车
C. 施工负责人及全体施工人员，列车已经接近
D. 施工负责人，刚刚发过的预报(或确报)信号已予取消
【单选题】
(36976)小型养路机械、机具、防护电话和自动报警器等如在作业中发生故障，应___。(1.0分)
A. 设置移动停车信号防护
B. 当即派专人检修
C. 设置故障防护
D. 停机下道进行检修
【单选题】
(36979)距梁中心2.415m以外道砟桥面人行道上的竖向静活载，在任何情况下不得超过___。(1.0分)
A. 2kPa
B. 4kPa
C. 8kPa
D. 10kPa
【单选题】
(36987)线上作业和上道检查，遇有降雾、暴风雨(雪)、扬沙等恶劣天气影响瞭望时，___(1.0分)
A. 应停止作业，必须作业时，应采取特殊安全措施，保证来车之前按规定的距离及时下道
B. 必须停止作业
C. 只要设置防护可照常作业
D. 只能上道检查，不能线上作业
【单选题】
(36988)线路允许速度___的区段，巡道、巡守人员应在路肩上行走，并注意察看线路状态。(1.0分)
A. vmax＞60km/h
B. vmax＞80km/h
C. vmax＞120km/h
D. vmax＞200km/h
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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
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Formal education in the United States consists of , secondary and higher education.
A. A. kindergarten
B. B. public
C. C. elementary
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At present, U. S. exports account for of the world’s total.
A. A. 10%
B. B. 15%
C. C. 20%
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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
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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
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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
【单选题】
The following inventions took place during the “second indThe following inventions took place during the “second industrial revolution” except .
A. A. typewriter
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The first National Bank of the United States was established with the urge of .
A. A. George Washington
B. B. Thomas Jefferson
C. C. Andrew Jackson
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Chartered companies were NOT granted the by the British King or Queen.
A. A. political authority
B. B. economic rights
C. C. judicial authority
D. D. diplomatic authority
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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
B. B. automobiles
C. C. ore
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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
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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
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【单选题】
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
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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
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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
D. D. 1793
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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
D. D. Eisenhower, Kennedy and Johnson
【单选题】
President applied New Deal to deal with the problems of the Great Depression.
A. A. Wilson
B. B. Truman
C. C. Roosevelt
D. D. Kennedy
【单选题】
The policy of the United States was at the beginning of the two world wars.
A. A. neutrality
B. B. full involvement
C. C. partial involvement
D. D. appeasement
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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
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The first shots of the American dependence were fired in .
A. A. Concord
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C. C. Philadelphia
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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
D. D. the people of the 13 colonies
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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
D. D. British and American Indians
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Pilgrim Fathers are a group of who came to America to avoid persecution in England.
A. A. Protestants
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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
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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
D. D. Asians
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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
D. D. in the Midwest
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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
