Some pioneering work that began as an attempt to discover ways to increase production efficiency led to the founding of the human relations movement in industry and to the development of motivational skills and tools for managers. In 1927 researchers were involved in determining the optimum amount of lighting, temperature, and humidity (with lighting being considered the most important) for the assembly of electronic components at Western Electric. The researchers found that lighting had no consistent effect on production. In fact, production sometimes increased when lighting was reduced to the level of ordinary moonlight! The important part of this experiment began when two Harvard researchers, Elton Mayo and Fritz Roethlisberger, were brought in to investigate these unexpected results further. They found that workers were responding not to the level of ligh A. The first widely published development in modem motivation theory. B. Shifting the focus of human motivation from economics to a multifaceted approach. C. The importance of careful research. D. The results of a pioneering study at Western Electric.
[单项选择]()that increasing numbers of compact-disc players will be bought by consumers in the years to come. A. They are anticipated B. In anticipation C. Anticipating D. It is anticipated
[单项选择]He tried hard to restrain his tears from falling(). A. hold on B. hold up C. hold back D. hold out
[单项选择]One symptom of the disease is a high fever(). A. symbol B. sign C. cause D. pain
[单项选择]Jupiter ()perhaps the most important planet of the solar system. A. was B. were C. is D. will be
[单项选择]The children should say "thank you" to you when you gave them gifts(). A. had said B. be saying C. have said D. saying
[单项选择]Because the United States has little tin, () produced in the rest of the world. A. tin is used B. it uses tin C. uses of tin D. uses tin
[单项选择]He is the most intrepid explorer in the present century(). A. successful B. fearless C. reliable D. fearsome
[单项选择]The picture is tilted. "Please straighten it"(). A. high B. level C. crooked D. adjustable
[单项选择]It is futile to argue with him once he has made up his mind(). A. unpleasant B. encouraging C. helpful D. useless
[单项选择]The specific gravity of the water in the great Salt Lake is too great that one cannot sink or completely submerge in it(). A. so B. very C. such D. indeed
[单项选择]Training programs for the U.S. Peace Corps are conducted in the country or region ()the volunteer will serve. A. and B. or C. that is D. where
[单项选择]The olfactory regions of the nose are yellow, richly moist, and (). A. fully fatty substances B. full, fatty substances C. full of fatty substances D. fatty substances are full
[单项选择](), the moon is important because it is the nearest to the earth of all heavenly bodies. A. A small world is only in space B. It is only a small world in space C. A small world only in space D. Only a small world in space
[单项选择]This vehicle bounces and glides along the ground (). A. at an average speed of 40 miles an hour B. of 40 miles an hour at an average speed C. at 40 miles an hour of an average speed D. of an average speed at 40 miles an hour
[单项选择]()famous queens in the history of England: Elizabeth I and Victoria. A. Two B. There are two C. Between two are D. Are two
[单项选择]The average age at which people begin to need eyeglasses vary considerably(). A. varies B. is varied C. will vary D. has been varied
[单项选择]The dense Belgian fogs is caused by the cooling of humid surface air to a relatively low temperature(). A. must cause B. will be caused C. are caused D. has been caused
[单项选择]He was greatly vexed by the new and unexpected development(). A. astonished B. annoyed C. enlightened D. contented
[单项选择]Lilly made no attempt to ()the problem. A. tackle B. try C. undertake D. achieve
[单项选择]One of the most beautiful natural wonders in the United States must certainly be the Grand Canyon, () in Arizona. A. and located B. whose location C. is located D. which is located
[单项选择]People whose property is stolen should report to the police(). A. had stolen B. is being stolen C. had been stolen D. has been stolen
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The central problem of economics is to satisfy the people’s and nation’s wants. The problem we are faced with is that our (1) , here identified as money, are (2) . The only way we can resolve our (3) is to make choices. After looking at our resources, we must examine our list of (4) and identify the things we need (5) , those we can postpone, and (6) we cannot afford. As individuals, we face the central problem involved in economics — deciding just how to allocate our limited resources to provide ourselves with the greatest (7) of our wants.
Nations face the same problem. As a country’s population (8), the need for more goods and services grows (9) . Resources necessary to production may increase, but there are (10) enough resources to satisfy the total desires of a (11) . Whether the budget meeting is taking place in the family living-room, in the conference room of the corporation (12) of directors, or in the chamber of the House of Representativ
[单项选择]The winner of the Nobel Prize in physics dedicated the honor to his high school physics teacher, he had been an inspiration during his early years(). A. who B. whom C. which D. that
[单项选择]Within an area of only 1.00 miles, Death Valley sinks to 282 feet below sea level while Mount Whitney ()to a height of 14, 494 feet. A. soaring B. soar C. soared D. soars
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A pilot cannot fly a plane by sight alone. In many conditions, such as flying at night and landing in dense fog, a pilot must use radar, an alternative way of navigating. Since human eyes are not very good at determining speeds of approaching objects, radar can show a pilot how fast nearby planes are moving. The basic principle of radar is exemplified by what happens when one shouts in a cave. The echo of the sounds against the walls helps a person determine the size of the cave. With radar, however, the waves are radio waves instead of sound waves. Radio waves travel at the speed of light, about 300, 000 kilometers in one second. A radar set sends out a short burst of radio waves: Then it receives the echoes produced when the waves bounce off objects. By determining the time it takes for the echoes to return to the radar set, a trained technici A. The nature of radar. B. Types of ranging. C. Alternatives to radars. D. History of radar.
[单项选择]Don't be late. I hate to be waiting for a long time(). A. being keeping B. be kept C. to be kept D. be keeping
[单项选择]At the end of the valley we turned right, and made for the summit(). A. headed for B. went for C. looked for D. searched for
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A large part of effective leadership is dependent on something called "style". But style is difficult to teach, and what makes one leader great and another mediocre is not easily defined. Leadership always implies power, and a broad definition in this context is that leadership includes the power to influence thoughts and actions of others in such a way that they achieve higher satisfaction and/or performance. Over the past century, there have been three major approaches to understanding leadership.
Identifying leadership traits, or the physical and psychological characteristics of leaders, was the first formal approach, and had a lot of intuitive appeal. It owed its origins to the mm of the century (about 1904) when trait studies began. At this time most American leaders came from certain wealthy families, the vast majority were white ma A. What is "style" B. Is power the most important aspect of leadership C. How many main historical approaches have there been to leadership D. Why is leadership so difficult to define
[单项选择]He painted his bedroom black. It looks dark and dreary. He should choose a different color(). A. had to choose B. should have chosen C. must have chosen D. could have been choosing
[单项选择]I locked myself out of my apartment. I didn't know what to do. "You may call your roommate()." A. could have called B. might have called C. would have called D. must have called
[单项选择]The clerk had been insolent to his superior once too often; now he was without a job(). A. affectionate B. rude C. dishonest D. sly
[单项选择]He hurled the statue to the floor with such force that it shattered(). A. dropped B. pulled C. pushed D. threw
[单项选择]Her type of woman can cope with life much more easily(). A. look after B. deal with C. take care of D. take advantage of
[单项选择]There is no alternative, the president must approve the bill if Congress passes it(). A. chance of agreement B. doubt C. other choice D. mistake
[单项选择]The cosmopolitan flavor of San Francisco is enhanced by ()shops and restaurants. A. an ethnic B. its many ethnic C. its ethnicity D. ethnicity
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Children’s literature traces its beginnings to preliterate times, when ancient storytellers passed tales and legends from generation to generation in the oral tradition. William Caxton, who established England’s first printing press, published books of etiquette, fables and legends. However, these didn’t constitute a body of work that could be considered literature for children. Because children at that time were considered "miniature adults", books were didactic in nature. The content for young readers consisted mainly of religious instruction, rules of behavior, ethical messages, and moral platitudes. In 1774, Englishman John Newberry changed children’s publishing when he began to create books with attractive formats, quality illustrations, and sturdy bindings, that were designed primarily for children to enjoy. The A. form B. talk C. plan D. look
[单项选择]The African killer bees could not be handled safely, nor (). A. could their honey be harvested B. their honey could be harvested C. harvested could their honey be D. could not their honey be harvested
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Martin Luther King, Jr., is well known for his work in civil rights and for his many famous speeches, among them his moving "I Have A Dream" speech. But fewer people know much about King’s childhood. M. L., as he was called, was born in 1929 in Atlanta, Georgia, at the home of his maternal grandfather. M.L.’s grandfather, the Reverend A. D. Williams, purchased their home on Auburn Avenue in 1909, 20 years before M. L. was born. The Reverend Williams, an eloquent speaker, played an important role in the community since so many people’s lives centered around the church. He allowed his church and his home to be used as a meeting place for a number of organizations dedicated to the education and social advancement of blacks. M.L. grew up in this atmosphere, with his home being used as a community gathering place, and was no doubt influ A. The prejudice that existed in Atlanta. B. Martin Luther King’s childhood. C. M. L.’s grandfather. D. The neighborhood King grew up in.
[单项选择]That touching toads causes warts are still one of the most widely believed superstitions in America(). A. has B. have been C. had been D. is
[单项选择]The two companies are going to merge by the first month of the year(). A. become one B. divide into two C. dissolve D. change owners
[单项选择]()Roman mythology, god Jupiter was accepted as the most powerful one. A. Like B. For C. With D. In
[单项选择]Everybody wants paying properly for what they do(). A. to pay B. being paid C. to be paid D. to be paid for
[单项选择]The deeper the shade of yellow of the olfactory region, ()the sense of smell. A. is keener B. keener C. the keener D. the keen
[单项选择]Sir Jonas Hanway was credited for introducing the umbrella into England, but the English were slow to adopt it(). A. with B. in C. as D. at
[单项选择]World War Ⅱ is commonly acknowledged ()some of the 20th century's most notable poetry. A. and produced B. to produce C. to have produced D. had produced
[单项选择]The old woman is too feeble to cross the street without her nephew's help(). A. tired B. weak C. timid D. blind
[单项选择](), Charles Darwin did much to disprove common theories about biological evolution. A. He was a highly respected naturalist B. A naturalist was highly respected C. A highly respected naturalist D. Although a highly respected naturalist
[单项选择]It is not easy to remain tranquil when events suddenly change your life(). A. superior B. serious C. severe D. serene
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