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环管反应器夹套水循环泵停车后，备用泵应立即启动，以使夹套水循环，撤掉反应热
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当主催化剂中断后，应立即停止给电子体和三乙基铝进料
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预接触罐出料不畅，压力升高，不能造成三乙基铝流量波动
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降低环管反应器反应温度可导致产品中无规物含量增加
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本装置PA301系统会残留少量烷基铝，故在倒淋或检修时需将残液排入油桶防止着火
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高压钢瓶的气体不能全部用完，至少应留有0.1～0.2Mpa的余气
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聚丙烯脱水塔干燥分子筛时要求分阶段升温，目的是防止分子筛升温过快而造成破碎
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聚丙烯最终产品的无规物含量由调节催化剂加入量来控制
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正常生产时三乙基铝流量的控制模式一般是和环管密度投串级控制
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生产无规共聚产品时，乙烯是以液相加入到环管中
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环管反应器临时停车时催化剂系统中的物料需要倒空
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干燥器内部设有一个螺旋送料器，目的是强制物料沿一个方向流动，增加物料的停留时间保证干燥效果
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D105A中FV10302A开则FV10302B就处于关闭状态
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催化剂分散罐D106A中TV10303A/A是进蒸汽来控制温度的
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催化剂分散罐D106A中TV10303A/B是进冷冻水来控制温度的
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催化剂分散罐D106A中HV10303A和HV10302A阀门可以同时打开的
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聚丙烯装置精制系统引入丙烯时，为了置换干净可以就地排放
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聚丙烯装置精制系统引入丙烯时，如发生泄漏可以继续引入
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环管进丙烯，当环管压力升到1MPa时必须投用加压密封活塞，以防损坏轴流泵机封
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停给电子体进料，先关D201附近给电子体线上的手动截止阀，方可停泵
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TEAL和给电子体泵(P101A/B和P104A/B)不能同时停，否则丙烯会倒流堵塞混合器S203A/B和预接触罐D201
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目前，最常用的安全附件有安全阀、爆破片、压力表、液面计、温度计等
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丙烯分子筛塔再生时床层恒温的温度要求在120℃
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给电子体中断，应立即切断主催化剂和三乙基铝进料
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高压丙烯循环建立应在环管反应器丙烯循环建立之后
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环管系统进液相丙烯时，不允许将反应器和稳压罐连在一起用丙烯气保压
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【单选题】
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
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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
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
D. D. Bill of Rights
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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
【单选题】
“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
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
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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
【单选题】
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
【单选题】
The state of is the largest in area of all the states.
A. A. Alaska
B. B. Hawaii
C. C. Texas
D. D. Florid
【单选题】
The United States has states on the continent.
A. A. 50
B. B. 49
C. C. 48
D. D. 35
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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
【单选题】
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
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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
【单选题】
Of Dickens’ novels, is considered autobiographical.
A. A. A Tale of Two Cities
B. B. David Copperfield
C. C. Oliver Twist
D. D. Great Expectations
【单选题】
is viewed as Romantic poetry’s “Declaration of Independence.”
A. A. “I Wondered Lonely as a Cloud”
B. B. Don Juan
C. C. “Preface to Lyrical Ballads”
D. D. Prometheus Unbound
【单选题】
The most significant achievement of the English Renaissance is .
A. A. poetry
B. B. drama
C. C. novel
D. D. pamphlet
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The following Christmas traditions are particularly British except .
A. A. Trooping the Color
B. B. Queen’s Christmas message
C. C. Boxing Day
D. D. Christmas pantomime
【单选题】
Of the following, is NOT a common feature of all the British holidays.
A. A. families getting together
B. B. friends exchanging good wishes
C. C. friends enjoying each other’s company
D. D. families traveling overseas
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is Britain’s top pay television provider.
A. A. BSB
B. B. SkyTV
C. C. BBC
D. D. BSkyB
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Life on Earth is a kind of program produced by the BBC and is popular among 500 million viewers worldwide.
A. A. feature
B. B. drama
C. C. documentary
D. D. soap opera
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Among Britain’s quality press, the following newspapers are regarded as the “Big Three” with the exception of .
A. A. The Times
B. B. The Guardian
C. C. The Observer
D. D. The Daily Telegraph
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To be admitted to the Open University, one need .
A. A. some educational qualifications
B. B. no educational qualifications
C. C. General Certificate of Education-Advanced
D. D. General National Vocational Qualifications
【单选题】
Of the following, is NOT a basis of admission to Britain’s universities.
A. A. result in national entrance test
B. B. A-level result
C. C. an interview
D. D. school references
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Partially funded by central government grants, the British univPartially funded by central government grants, the British universities receive their remaining funds from all the following sources except .
A. A. tuition fees
B. B. loans
C. C. donations
D. D. corporate contributions
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About of British children receive primary and secondary education through the independent system.
A. A. 5%
B. B. 6%
C. C. 7%
D. D. 8%
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In Britain, the division between grammar schools and vocational schools were ended by the introduction of comprehensive schools in the .
A. A. 1930s
B. B. 1940s
C. C. 1950s
D. D. 1960s
