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When pushing ahead，wires leading from the quarters of the after outboard barges to the bow of a towboat（）.
A . prevent the towboat from sliding when the rudder is moved
B . prevent the barges from spreading out when backing down
C . hold the towboat securely to the barges
D . prevent the sidewise movement of the face barge
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A swift current occurring in a narrow passage connecting two large bodies of water which is produced by the continuously changing difference in height of tide at the two ends of the passage is called a(n)（）.
A . hydraulic current
B . rectilinear current
C . rotary current
D . harmonic current
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A view is created with the following statement:CREATE VIEW v1 AS SELECT col1, col2, col3, col4 FROM t1 WHERE col4 > 1000 WITH CHECK OPTIONWhat is the effect of the CHECK OPTION clause?（）
A . Any row inserted or updated through view V1 must meet the condition that col4 > 1000.
B . From now on, any row inserted or updated in table T1 must meet the condition that col4 > 1000, but existing rows in the table are not checked.
C . At view creation, DB2 will check the data in table T1, and if in any row doesn't meet the condition col4 > 1000, the view creation will be rejected.
D . Any row inserted or updated through view V1 must meet the condition that col4 > 1000 and no row in table T1 can be updated such that col4 <= 1000, but new rows in the table can be inserted with col4 <= 1000.
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Lay days（）to commence after the expiry of a specified time after the giving of the notice of readiness to load or discharge.
A . is
B . are
C . will be
D . shall be
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A swift current occurring in a narrow passage connecting two large bodies of water，which is produced by the continuously changing difference in height of tide at the two ends of the passage，is called a（）.
A . hydraulic current
B . rectilinear current
C . rotary current
D . harmonic current
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The hatch at the after end of the canopy in a lifeboat（）the after lifting hook, painter, and tow line.
A . give access to
B . links up with
C . have contact with
D . is constructed of
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After transferring a weight forward on a vessel, the draft at the center of flotation will（）.
A . change, depending on the location of the LCG
B . increase
C . decrease
D . remain constant
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With the help of the government ， a large number of people ---_______ after the flood in 1991.
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The elements of a passage are ______.
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In the passage, Sumatra is a kind of coffee.
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The title of a passage controls the of the topic.
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After reading The God of Hell , the readers could also sense a kind of ecological consciousness.
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We finally get the best of the enemy after a different battle.
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We can learn from the passage that the hamburger described as a quarter of a pound is ______ a quarter of pound after being cooked.
A．heavier than
B．really
C．lighter than
D．slightly heavier than
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Which of the following best describes the relationship of the first paragraph of the passage to the passage as a whole？
A．It provides a group of specific examples from which generalizations concerning the nature of drama are drawn later in the passage.
B．It explains principles concerning one aspect of tragedy, which are followed later by principles for other aspects.
C．It defines terms of dramatic principles that are more thoroughly explained later in the passage.
D．It briefly compares and contrasts the principles of drama that are examined in detail later in the passage.
E．It explains a method of judging a work of drama, a method that is used later in the passage.
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The author of this passage possibly is a______.
A．beginner of English Learning
B．foreign teacher of English
C．Chinese teacher of English
D．Chinese student studying abroad
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Which of the following can be inferred from the passage about cotton production in the United States after the introduction of Whitney's cotton gin？
A．More cotton came from sea island cotton plants than before.
B．More cotton came from short-staple cotton plants than before.
C．Most cotton produced was sold domestically.
D．Most cotton produced was exported to England.
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Which of the following is the major concern of the passage about a student’s needs？
A.Individualism and cooperation．．
B.Academic Success and independent thinkin9．
C.Socialization and feeling of competence．
D.Intelligence and respect．
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After （attracting) more than a million marchers-（four times of the size) of the historical
After (attracting) more than a million marchers-(four times of the size) of the historical 1963 March on Washington-the 2004 March for Women's Life (became) the largest mass demonstration (in history).
A．attracting
B．four times of the size
C．became
D．in history
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Which of the following best describes the function of the last paragraph in relation to the passage as a whole？
A．It summarizes the benefits that students can derive from the experimental scholarly methods course.
B．It provides additional reasons why Griffith's works raises issues having to do with the cannon of authors.
C．It provides an illustration of the immediate nature of the experiences students can derive from the experimental scholarly methods course.
D．It contrasts the experience of a student in the experimental scholarly methods course with the experience of a student in the traditional course.
此题为多项选择题。
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What is the function of figures in a business according to the passage？
A．They provide guides for the managers.
B．They are policy choices for the managers.
C．They lead to the increase in production.
D．They determine the profits of a business.
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Which of the following is NOT a common characteristic of Valley's professionals cited in the passage？
A．Diligent.
B．Team spirit.
C．Perseverance.
D．Paper Qualification.
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Passage Four：Questions 26 to 30 are based on the following passage.We can see how the product life cycle works by looking at the introduction of instant coffee. When it was introduced, most people did not like it as well as “regular” coffee, and it took several years to gain general acceptance (introduction stage). At one point, though, instant coffee grew rapidly in popularity, and many brands were introduced (stage of rapid growth). After a while, people became attached to one brand and sales leveled off (stage of maturity). Sales went into a slight decline (衰退) when freeze-dried coffees were introduced (stage of decline).
The importance of the product life cycle to marketers is this: Different stages in the product life cycle call for different strategies. The goal is to extend product life so that sales and profits do not decline. One strategy is called market modification. It means that marketing managers look for new users and market sections. Did you know, for example, that the backpacks that so many students carry today were originally designed for the military？
Market modification also means searching for increased usage among present customers or going for a different market, such as senior citizens. A marketer may re-position the product to appeal to new market sections.
Another product extension strategy is called product modification. It involves changing product quality, features, or style. to attract new users or more usage from present users. American auto manufacturers are using quality improvement as one way to recapture world markets. Note, also, how auto manufacturers once changed styles dramatically from year to year to keep demand from falling.
第26题：According to the passage, when people grow fond of one particular brand of a product, its sales will ________.
A) decrease gradually
B) remain at the same level
C) become unstable
D) improve enormously
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It can be inferred from the passage that if the S waves from an earthquake arrive at a given location long after the P waves, which of the following must be true？
A．The earthquake was a deep event
B．The earthquake was a shallow event
C．The earthquake focus was distant
D．The earthquake had a low peak intensity.
此题为多项选择题。
