[外语类试卷]专业英语八级模拟试卷584及答案与解析.doc
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1、专业英语八级模拟试卷 584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 Suggestions for Effective Research-Based Assignments I. The function of a well-designed assignment It tea
3、ches students valuable research skills. It improves the (1)_of the students papers. Confusing and frustrating assignments lead students to (2)_product. II. Suggestions in developing assignments A. Set (3)_;students should be able to; Develop a (4)_topic for research. Select and use appropriate resou
4、rces to locate relevant and timely materials. Distinguish between popular and scholarly sources and detect signs of bias. Quote and cite sources giving (5)_and avoiding plagiarism. B. Teach research strategies Define your (6)_using background information. Develop keywords and phrases for searching.
5、Use library catalogs to find relevant books. Use article databases and printed indexes to find more information. Use Internet directories and (7)_to locate authoritative,high-quality information. C. Provide the resource lists III. (8)_problems the teaching staff should avoid A. Students are forbidde
6、n to use anything from the Internet. B. An entire class work on the same specific topic. C. Students are required to use materials that are not available. D. Students are using (9)_information. E. Students are assigned too vague or general topics. F. Students are given trivia questions. IV. The use
7、of Internet Forbidding all use of Internet is not the best solution. Accept the online versions if they are properly cited. (10)_the web sites. Consult with the librarians and use their services. SECTION B INTERVIEW Directions: In this section you will hear everything ONCE ONLY. Listen carefully and
8、 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 listen to the interview. 11 Which of the following statements about Doctor David Ho is correct? ( A) He was
9、 Time magazines man of the year in 2006 for his achievement. ( B) Hes a scientific director for AIDS Treatment at Rockefeller University. ( C) He was the lead researcher in the new study against AIDS. ( D) He was skeptical of the results of the new study. 12 What did this study accomplish? ( A) The
10、study allows doctors to control the part of HIV thats active in the body quite well. ( B) The hidden pool of HIV is named as the reservior through this study. ( C) The hidden pool of HIV is lowered modestly in the four patients. ( D) The hidden pool of HIV could be reduced more than 80 percent. 13 W
11、hat does Doctor David Ho say about the measurement of the test results? ( A) modest ( B) not so accurate ( C) not so cautious ( D) interesting 14 What does the implication of the study? ( A) The results of the study show that it is a step in the direction of a possible cure of AIDS. ( B) The results
12、 of the study show that the sleeping cells could be activated by this drug. ( C) The results of the study show that the drugs could get at the virus in the sleeping cells. ( D) The results of the study show that the risk of the AIDS will not go away. 15 What will the future study in this respect be
13、like according to Doctor David Ho? ( A) More patients will be studied to see if the observation of the study could be confirmed ( B) The scientists will not be so careful or cautious in carrying out such research. ( C) All the studies will reach 50 or 100 patients before we know more about this part
14、icular technique. ( D) The scientists will experiment on other particular techniques other than the one used in this study. 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 ite
15、m, you will be given 10 seconds to answer the questions. 16 What did the government intend to do in the beginning? ( A) Greatly restrict public smoking. ( B) Ban smoking in all public places. ( C) Supervise smoking in some bars. ( D) Ban public smoking in England. 17 The staff who work in public pla
16、ces would favor the ban because _. ( A) they dont have to inhale foul air. ( B) they dont have to serve smokers. ( C) they will get more tip from non smokers. ( D) there will be a rise on their salaries. 17 Dr Corell heads a team of some 300 scientists who have spent the past four years investigatin
17、g the matter in a process known as the Arctic Climate Impact Assessment (ACIA). 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
18、long suspected that several factors lead to greater temperature swings at the 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, w
19、hich are much more reflective than soil or ocean. If that snow melts, the exposure 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 requ
20、ired to warm it up. A third factor is that less solar energy is lost in evaporation 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
21、 of the tundra. Although a thaw would allow forests to invade the tundra, which 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 l
22、ot of trapped methane being released into the atmosphere, more than offsetting 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
23、in the north Atlantic thanks to an increase in glacial meltwaters. Because 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
24、tropics to north-western Europe, and which is responsible for that regions 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 melti
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