1、专业英语四级（听力）模拟试卷 4及答案与解析 一、 PART I DICTATION (15 MIN) Directions: Listen to the following passage. Altogether the passage will be read to you four times. During the first reading, which will be read at normal speed, listen and try to understand the meaning. For the second and third readings, the passa
2、ge will be read sentence by sentence, or phrase by phrase, with intervals of 15 seconds. The last reading will be read at normal speed again and during this time you should check your work. You will then be given 2 minute 专业英语四级（听力）模拟试卷 4答案与解析 一、 PART I DICTATION (15 MIN) Directions: Listen to the f
3、ollowing passage. Altogether the passage will be read to you four times. During the first reading, which will be read at normal speed, listen and try to understand the meaning. For the second and third readings, the passage will be read sentence by sentence, or phrase by phrase, with intervals of 15
4、 seconds. The last reading will be read at normal speed again and during this time you should check your work. You will then be given 2 minute 1 【正确答案】 Cars in the Future As big cars cause many problems, / such as pollution, shortage of parking space, crowded traffic, / scientists are now trying to
5、design some small cars that may some day replace todays big automobiles. / If more people begin to drive such cars in the future, / there will be less air pollution. / There will also be more space for parking cars in cities, / and the streets will be less crowded. / Three such cars can fit in the s
6、pace / that is now needed for one car of the usual size. / The little cars will cost much less to own and to drive. / Driving will be safer as these cars can only go 60 kilometers per hour. / The cars of the future will be fine for driving around the city. / However, they will not be suitable for lo
7、ng trips, / because these cars by petrol can only go 450 kilometers / before needing to stop for refueling. / 【知识模块】 听写 2 【正确答案】 The Greenhouse Effect To get a better understanding of global warming, / it is important to understand the greenhouse effect. / The greenhouse effect is the rise in the te
8、mperatures / caused by absorption of the Suns heat and light by the Earths surface / which then is reflected back and trapped within the Earths atmosphere. / The greenhouses gases, help to keep the Earth warm, / and this is the reason why life on Earth has existed, and still thrives. / However, with
9、 an increase in the gases like carbon dioxide, ozone, / and water vapor in the atmosphere, / as an outcome to growing environmental pollution; / industrial, domestic, and loss of vast stretches of grassland and rain forest, / Earth has gotten nearly 14% hotter / than what it used to be 50 years ago,
10、 / with 2005 being recorded as the hottest year ever. / Besides humans and plants, global warming effects on animals is a cause of concern. / 【知识模块】 听写 3 【正确答案】 Christmas Candles Frankly speaking, Christmas candles are no different / from any other decorative candle / that you might find in the shop
11、s all through the year. / But the very fact that they are lit up during Christmastime gives them the look of a festival. / Christmas candles are big in size and designed in several shapes. / You will find the common round shapes /Christmas candles tend to play up on the thickness so that they can bu
12、rn longer, / all through the Christmas Eve if desired. / Traditional colors of Christmas candles are preferably red or golden, the colors of the season. / But you will find all colors on the shelves nowadays. / However, if other colors are used, / they are often decorated with obvious Christmas desi
13、gns / to make them part of the season. / Red and golden candles are usually kept as they are, / because the colors themselves lend grace to the season. / 【知识模块】 听写 4 【正确答案】 Bread-making People make bread in different ways, / but the bread thats made in Britain contains five ingredients. / Theres wat
14、er, flour of course, / and then meres salt, sugar and something called yeast. / A long time ago, people made bread just from flour and water, / and their bread looked and tasted very different from the bread we make today. / It was a different shape like large flat biscuits, / and it was dark brown
15、in colour. / But it was too heavy to digest. / Then the Egyptians discovered that yeast, / which is a kind of fungus, will make bread rise. / Well, in fact, if you look at a modern loaf of bread through a microscope, / it looks a bit like a sponge, doesnt it? / Full of little holes. / Well, the hole
16、s make the bread lighter, of course, and easier to digest. / 【知识模块】 听写 5 【正确答案】 Unions Nearly 100 years ago, Americas working people began to join together / to improve their wages and their working situations. / They formed unions in discussions with owners of businesses and factories. / This idea
17、became known as collective bargaining. / Unions were started at separate local factories. / Slowly unions in several factories started to join together. / As they gained size, the unions were able to gain strength and effectiveness. / By the 1950 s unions were successfully representing their members
18、 in most American industries. / Unions began as organizations for factory workers. / Later skilled workers such as electricians and plumbers organized into unions. / Recently professional people have also begun to form unions. / The unions not only represent the workers in discussions with business management. / They also train workers for jobs, give members money if they lose their jobs, / and pay workers pensions when they retire. / Unions have become established institutions of American industry. / 【知识模块】 听写
