专业英语四级分类模拟309及答案解析.doc
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1、专业英语四级分类模拟309及答案解析 (总分:114.95,做题时间:90分钟)一、PART DICTATION(总题数:1,分数:20.00)1.Listen to the following passage. Altogether the passage will be read to you four times. During the first reading, which will be done at normal speed, listen and try to understand the meaning. For the second and third readings,
2、 the passage will be read sentence by sentence, or phrase by phrase, with intervals of 15 seconds. The last reading will be done at normal speed again and during this time you should check your work. You will then be given ONE minute to check through your work once more.Please write the whole passag
3、e on ANSWER SHEET ONE. (分数:20.00)_二、PART CLOZE(总题数:1,分数:25.00)Aincreasingly Bdisorders Cshelter Ddramatically Ediscovers Fpredicts Ghomeless HFurthermore Idwelling Jcomprehensive KIndeed Laddicted Mcoordination Nindulged Owandering The homeless make up a growing percentage of Americas population. 1
4、, homelessness has reached such proportions that local government cant possibly cope. To help homeless people toward independence, the federal governments must support job training programs, raise the minimum wage, and fund more low-cost housing. Not everyone agrees on the number of Americans who ar
5、e 2 . Estimates range anywhere from 600,000 to 3 million. Although the figure may vary, analysts do agree on another matter: that the number of the homeless is increasing. One of the federal governments studies 3 that the number of the homeless will reach nearly 19 million by the end of this decade.
6、 Finding ways to assist this growing homeless population has become 4 difficult. Even when homeless individuals manage to find a 5 that will give them three meals a day and a place to sleep at night, a good number still spend the bulk of each day 6 the street. Part of the problem is that many homele
7、ss adults are 7 to alcohol or drugs. And a significant number of the homeless have serious mental 8 . Many others, while not addicted or mentally ill, simply lack the everyday survival skills needed to turn their lives around. Boston Globe reporter Chris Reidy notes that the situation will improve o
8、nly when there are 9 programs that address the many needs of the homeless. As Edward Zlotkowski, director of community service at Bentley College in Massachusetts, puts it, There has to be 10 of programs. What we need is a package deal.(分数:25.00)三、PART READING COMPR(总题数:1,分数:50.00)Section A Multiple
9、-Choice Questions Text A Many great inventions are greeted with ridicule and disbelief. The invention of the airplane was no exception. Although many people who heard about the first powered flight on December 17, 1903, were excited and impressed, others reacted with peals of laughter. The idea of f
10、lying an aircraft was repulsive to some people. Such people called Wilbur and Orville Wright, the inventors of the first flying machine, impulsive fools. Negative reactions, however, did not stop the Wrights. Impelled by their desire to succeed, they continued their experiments in aviation. Orville
11、and Wilbur Wright had always had a compelling interest in aeronautics and mechanics. As young boys they earned money by making and selling kites and mechanical toys. Later, they designed a newspaper-folding machine, built a printing press, and operated a bicycle-repair shop. In 1896, when they read
12、about the death of Otto Lilienthal, the brothers interest in flight grew into a compulsion. Lilienthal, a pioneer in hang-gliding, had controlled his gliders by shifting his body in the desired direction. This idea was repellent to the Wright brothers, however, and they searched for more efficient m
13、ethods to control the balance of airborne vehicles. In 1900 and 1901, the Wrights tested numerous gliders and developed control techniques. The brothers inability to obtain enough lift power for the gliders almost led them to abandon their efforts. After further study, the Wright brothers concluded
14、that the published tables of air pressure on curved surfaces must be wrong. They set up a wind tunnel and began a series of experiments with model wings. Because of their efforts, the old tables were repealed in time and replaced by the first reliable figures for air pressure on curved surfaces. Thi
15、s work, in turn, made it possible for them to design a machine that would fly. In 1903 the Wrights built their first airplane, which cost less than one thousand dollars. They even designed and built their own source of propulsiona lightweight gasoline engine. When they started the engine on December
16、 17, the airplane pulsated wildly before taking off. The plane managed to stay aloft for twelve seconds, however, and it flew one hundred twenty feet. By 1905 the Wrights had perfected the first airplane that could turn, circle, and remain airborne for half an hour at a time. Others had flown in bal
17、loons or in hang gliders, but the Wright brothers were the first to build a full-size machine that could fly under its own power. As the contributors of one of the most outstanding engineering achievements in history, the Wright brothers are accurately called the fathers of aviation. Text B The Akas
18、hi Kaikyo Bridge in southern Japan is the worlds longest bridge. The Akashi Kaikyo Bridge spans the Akashi Strait, connecting Awaji Island to Kobe, an important industrial center. The bridge has a span of 5973 feet (1991 meters), making it over 25% longer than its nearest competition: the Humber Bri
19、dge in England. Strangely, there may be longer bridges in the world, but the Guinness Book of World Records measures the longest bridges according to their record-breaking spans. The Akashi Kaikyo Bridge is a suspension bridge. This means that the roadway is suspended from pillars by cables. The con
20、crete pillars have to be tall enough to support the whole weight of the bridge. The pillars on the Akashi Kaikyo Bridge are 900 feet tall. These pillars had to be built to withstand not only huge waves but also high-speed winds, and possibly even violent earthquakes, which are not uncommon in the ar
21、ea. The bridge has survived one earthquake already: its span was extended by more than 3 feet by the Kobe earthquake of 1995. The cables weigh 50,000 tons and have a diameter of almost four feet each. Each cable contains 290 hexagonal strands; each strand is composed of 127 steel wires. The total le
22、ngth of the wire used is more than 200,000 miles, enough to circle the Earth 7.5 times! The first plans to connect Kobe to Naruto via Awaji Island were voiced in 1955, but it took the government thirty years to decide to really build the bridge. The next three years were spent surveying the site and
23、 construction commenced in 1988. In designing the bridge, special consideration was given to its effect on the surroundings, great emphasis was placed on a pleasing balance between light and shade and also on the choice of the perfect color. The construction of the bridge was a very complicated and
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- 专业 英语四 分类 模拟 309 答案 解析
