[外语类试卷]专业英语八级模拟试卷347及答案与解析.doc
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1、专业英语八级模拟试卷 347及答案与解析 SECTION A MINI-LECTURE Directions: In this section you sill hear a mini-lecture. You will hear the lecture ONCE ONLY. While listening, take notes on the important points. Your notes will not be marked, but you will need them to complete a gap-filling task after the mini-lecture.
2、 When the lecture is over, you will be given two minutes to check your notes, and another ten minutes to complete the gap-filling task on ANSWER SHEET ONE. Use the blank sheet for note-taking. 0 Tips on Having More Fruit to Keeping You Healthy I. A few steps you need to help have more fruit: 1) Havi
3、ng fruit around is the【 1】 . 【 1】 _ 2) Try keeping small amount out on【 2】 to remind yourself to reach for it at snack time. 【 2】 _ 3) Try putting【 3】 on the table at the same time as the rest of the meal. 【 3】 _ 4) Try using fruit in salads more often. II. Eating plenty of fruit is better than skip
4、ping the produce【 4】 【 4】 _ 1) Many of the nutrients in【 5】 to be found in fruit. 【 5】 _ 2) To get a【 6】 of these nutrients. 【 6】 _ 3) Not to completely【 7】 a lack of vegetables. 【 7】 _ III. The main factors that help people live longer: According to Dr David Demko, 4 other factors are equally impor
5、tant:【 8】 , diet,【 8】_ exercise and an alert mind. . The ways to be healthy and wealthy. 1) To give up some【 9】 hobbies and ways of life. 【 9】 _ 2) To keep on observing right【 10】 of diets, eating more fruit and veggies. 【 10】_ 1 【 1】 2 【 2】 3 【 3】 4 【 4】 5 【 5】 6 【 6】 7 【 7】 8 【 8】 9 【 9】 10 【 10】
6、SECTION B INTERVIEW Directions: In this section you will hear everything ONCE ONLY. Listen carefully and then answer the questions that follow. Questions 1 to 5 are based on an interview. At the end of the interview you will be given 10 seconds to answer each of the following five questions. Now lis
7、ten to the interview. 11 Pauline failed to catch the flight because _. ( A) her ticket was not confirmed ( B) she booked her ticket at the wrong place ( C) she didnt have the right documents ( D) her visa had run out 12 Which of the following did NOT occur? ( A) Pauline visited one of Londons parks.
8、 ( B) Pauline went to the airport by taxi. ( C) Pauline contacted the airline by telephone. ( D) Pauline stayed the night in London. 13 In Ibiza, Pauline took a taxi because _. ( A) she had too much luggage ( B) nobody came to pick her up ( C) the plane was delayed ( D) her friends home was far away
9、 14 Pauline learned her friends address in _. ( A) Newcastle ( B) Gatwick ( C) London ( D) Luton 15 From the conversation we get the impression that _. ( A) some official agencies in London are efficient ( B) taxi drivers abroad always overcharge strangers ( C) customs formalities in Britain are fle
10、xible ( D) travel agents tend to misinform people SECTION C NEWS BROADCAST Directions: In this section you will hear everything ONCE ONLY. Listen carefully and then answer the questions that follow. At the end of each news item, you will be given 10 seconds to answer the questions. 16 Around how man
11、y tons of hazardous waste does the world produce each year? ( A) 150 million. ( B) 1.50 million. ( C) 15 million. ( D) 50 million. 17 Now the U.S. economy growth rate is_. ( A) higher than 1995 to 2000 ( B) lower than 1973 to 1995 ( C) as good as 1995 to 2000 ( D) the same as 1993 to 1995 18 Dale Jo
12、rgenson points out that the 2.78 grow rate will be continued in the next_. ( A) 2 years ( B) 10 years ( C) 20 years ( D) 5 years 19 A family business can be anything but _. ( A) selling candy bars ( B) hotel chains ( C) pass down from generations ( D) run by the state 20 How do the fireflies control
13、 the blinking? ( A) By their nerve cells. ( B) They blink automatically. ( C) By seeing the mates. ( D) By the gas nitric oxide. 20 Dr Corell heads a team of some 300 scientists who have spent the past four years investigating the matter in a process known as the Arctic Climate Impact Assessment (AC
14、IA). The group, drawn from the eight countries with territories inside the Arctic Circle, has just issued a report called “Impacts of a Warming Arctic“, a lengthy summary of the principal scientific findings. Scientists have long suspected that several factors lead to greater temperature swings at t
15、he poles than elsewhere on the planet. One is albedo (反照率 )-the posh scientific name for how much sunlight is reflected by a planets surface, and how much is reflected. Most of the polar regions are covered in snow and ice, which are much more reflective than soil or ocean. If that snow melts, the e
16、xposure of dark earth (which absorbs heat) acts as a feedback loop that accelerates warming. A second factor that makes the poles special is that the atmosphere is thinner there than at the equator, and so less energy is required to warm it up. A third factor is that less solar energy is lost in eva
17、poration at the frigid poles than in the steamy tropics. Arctic warming may influence the global climate in several ways. One is that huge amounts of methane, a particularly potent greenhouse gas, are stored in the permafrost of the tundra. Although a thaw would allow forests to invade the tundra, w
18、hich would tend to ameliorate any global warming that is going on (since trees capture carbon dioxide, the greenhouse gas most talked about in the context of climate change), a melting of the permafrost might also lead to a lot of trapped methane being released into the atmosphere, more than offsett
19、ing the cooling effects of the new forests. Another worry is that Arctic warming will influence ocean circulation in ways that are not fully understood. One link in the chain is the salinity of sea water, which is decreasing in the north Atlantic thanks to an increase in glacial meltwaters. Because
20、fresh water and salt water have different densities, this “freshening“ of the ocean could change circulation patterns. The most celebrated risk is to the mid-Atlantic Conveyor Belt, a current which brings warm water from the tropics to north-western Europe, and which is responsible for that regions
21、unusually mild winters. Some of the ACIAs experts are fretting over evidence of reduced density and salinity in waters near the Arctic that could adversely affect this current. The biggest popular worry, though, is that melting Arctic ice could lead to a dramatic rise in sea level. Here, a few cavea
22、ts are needed. For a start, much of the ice in the Arctic is floating in the sea already. Archimedess principle shows that the melting of this ice will make no immediate difference to the seas level, although it would change its albedo. Second, if land ice, such as that covering Greenland, does melt
23、 in large quantities, the process will take centuries. And third, although the experts are indeed worried that global warming might cause the oceans to rise, the main way they believe this will happen is by thermal expansion of the water itself. Nevertheless, there is some cause for nervousness. As
24、the ACIA researchers document, there are signs that the massive Greenland ice sheet might be melting more rapidly than was thought a few years ago. Cracks in the sheet appear to be allowing melt water to trickle to its base, explains Michael Oppenheimer, a climatologist at Princeton University who w
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