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invasive,” he pointed out. The other 90% have fit into their environment and are considered naturalized. Yet appearances can deceive, ecologists caution, and many of these exotics may be considered acceptable only because no one has documented their harmful effects. What is more, non-native species can appear harmless for decades then turn invasive.
【杀掉拦路虎】 1. organisms
n. 有机物( organism的名词复数 );有机体;生物;有机体系;
2. ecosystems
n. <生>生态系统( ecosystem的名词复数 );
3. intruders
n. 未请自入者，闯入者（尤指企图行窃者）( intruder的名词复数 );
4. portraying
v. 画像( portray的现在分词 );描述;描绘;描画;
5. inherently [?n?h??r?ntl?] adv. 天性地，固有地;
6. exotic [?g?z?t?k]
adj. 异国的;外来的;异乎寻常的，奇异的;吸引人的;
n. 舶来品，外来物;脱衣舞女;
2018年6月大学英语六级真题试卷及答案（二）
7. evolutionary [?i:v??lu:??nri] adj. 进化的;
8. arizona [??ri?z?un?]
n. 亚利桑那州（美国西南部的州）;
9. invasive [?n?ve?s?v]
adj. 侵略性的，侵害的;攻击性的;扩散性的，蔓延性的;
10. territory [?ter?tri]
n. 领土，版图;领地;领域，范围;[商]势力范围;
11. biodiversity [?ba???da??v?:s?ti] n. 生物多类状态，生物多样性;
12. deliberately [d??l?b?r?tli]
adv. 故意地;深思熟虑地;从容不迫地;
13. continents
n. 洲，大陆( continent的名词复数 );欧洲大陆（不包括英国和爱尔兰）;
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14. livestock [?la?vst?k] n. 家畜，牲畜;
15. deceive [d??si:v]
v. 欺诈;误导;
16. crossbreed ['kr?:sbri:d] n. 杂交动物;杂种;
Questions 16 to 18 are based on the recording you have just heard.
16.What assumption about introduced species is challenged by a number of scientists?
16. A) They will root out native species altogether.
B) They contribute to a region's biodiversity. C) They pose a threat to the local ecosystem, D) They will crossbreed with native species. 【答案】C
【解析】 本题为细节题，由【 16】 But a number of scientists question the assumption that the presence of alien species can never be acceptable in the natural ecosystem. 可知：但
是许多科学家质疑在自然生态系统中外来物种的存在是不可接受的假设。题目的问题为：很多科学家对引进物种是一种挑战提出了什么样的质疑？四个选项分别为：(A)它们将彻底铲除本地物种。(B)它们对一个区域的生物多样性作出贡献。(C)它们对当地生态系统构成威胁，D)它们将与本地物种杂交。C选项更符合原文，因此，本题的正确选项为C项。
17.What does Dr.Michael Rosensberg think of the exotic and native species?
17. A) Their classifications are meaningful.
B) Their interactions are hard to define. C) Their definitions are changeable. D) Their distinctions are artificial. 【答案】D
【解析】 本题为细节题，由 【17】 “Distinctions between exotic and native species are artificial,” said Dr.Michael Rosensberg, a professor of evolutionary biology at the University of Arizona. 可知：]“外来物种和本土物种之间的区别是人为的，”亚利桑那大学进
化生物学教授Michael Rosensberg博士说。题目的问题为：迈克尔·罗斯伯格博士对外来物种和本
2018年6月大学英语六级真题试卷及答案（二）
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土物种有何看法？四个选项分别为：(A)它们的分类是有意义的。(B)它们之间的相互作用难以界定。(C)它们的定义是可变的。(D)他们的区别是人为的。D选项更符合原文，因此，本题的正确选项为D项。
18.What does Professor Don Smith say about alien species?
18. A) Only a few of them cause problems to native species.
B) They may turn out to benefit the local environment. C) Few of them can survive in their new habitats. D) Only 10 percent of them can be naturalized. 【答案】A
【解析】 本题为细节题，由 【18】 “Only a small percentage of alien species cause problems in their new habitats,” said Don Smith, professor of ecology and evolutionary biology at the University of Tenacy. 可知：“只有一小部分外来物种在它们的
新栖息地造成问题，”特尼西大学生态学和进化生物学教授唐·史密斯(Don Smith)说。题目的问题为：唐·史密斯教授对外星物种有何看法？四个选项分别为：(A)它们中只有少数对本地物种造成问题。(B)它们可能有益于当地环境。(C)它们中很少物种能在新的栖息地生存。(D)只有10%的物种可以融入大自然。A选项是对红色划线部分的同义转述，因此，本题的正确选项为A项。
【听力原文】
Recording Two
Good morning, ladies and gentlemen, and welcome to the third in our series of business seminars in the program “Doing Business Abroad”. Today, we are going to look at intercultural awareness that is the fact about everyone in British. Not everyone speaks English and not everyone does business in a British way. And why should they? 【19】 If overseas business people are selling to us, then they will make every effort to speak English and to respect our traditions and methods. It is only polite for us to do the same, when we visit them. It is not only polite, it is essential, if we want to sell British products overseas.
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First, a short quiz. Let’s see how interculturally aware you are.
Question 1: Where must you not drink alcohol on the first and seventh of every month? Question 2: Where should you never admire your host’s possessions?
Question 3: How should you attract the waiter during a business lunch in Bangkok? And question 4: Where should you try to make all your appointments either before 2：00 or after 5：30 p.m.
OK, everyone has a chance to make some notes. Right, here are the answers. Although I am sure that the information could equally well apply to countries other than those I have chosen. So, (1)【20】 you must not drink alcohol on the first and seventh of the month in India. In international hotels, you may find it served, but if you are having a meal with an Indian colleague, remember to avoid asking for a beer if your arrival coincides with one of those dates.(2) In Arab countries, the politeness and generosity of the people is without parallel. If you admire your colleague’s beautiful golden bowls, you may well find yourself being presented with them as a present. This is not a cheap way to do your shopping, however, as your host will quite correctly expect you to respond by presenting him with a gift of equal worth and beauty. In Thailand, clicking the fingers, clapping your hands, or just shouting “waiter”, will embarrass your hosts, fellow diners, the waiter himself, and most of all, you. Place your palm downward, and make an inconspicuous way of gesture, which will produce instant and satisfying result.【21】And finally, in Spain, some businesses maintain the pattern of working until about 2：00 and then returning to the office from 5：30 to 8：00, 9：00 or 10：00 in the evening. 【杀掉拦路虎】 1. seminars ['sem?nɑ:z]
n. 研讨班( seminar的名词复数 );研讨小组;研
2018年6月大学英语六级真题试卷及答案（二）
讨会;培训会;
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2. bangkok [b???k?k]
n. 扇形棕榈细纤维;Bangkok 曼谷（泰国首都）;
3. coincide [?k???n?sa?d]
vi. 与…一致;想法、意见等相同;相符;极为类似;
4. politeness [p?'la?tn?s]
n. 有礼貌;客气;文雅;有礼貌的行为;
5. generosity [?d?en??r?s?ti]
n. 慷慨，大方;宽容或慷慨的行为;丰富;
6. palm [pɑ:m]
n. 手掌;手心;棕榈树 ;由Palm公司发明的一种PDA上的操作系统; v. 将…藏于掌中;
7. downward [?da?nw?d] adj. 向下的，往下的; adv. 向下地，下行地;
8. inconspicuous [??nk?n?sp?kju?s]
adj. 不明显的，不显著的;不引人注目的;
Questions 19 to 21 are based on the recording you have just heard.
19.What should you do when doing business with foreigners?
19. A) Respect their traditional culture.
B) Attend their business seminars. C) Research their specific demands. D) Adopt the right business strategies.
【答案】A
【解析】 本题为细节题，由【19】 If overseas business people are selling to us, then they
will make every effort to speak English and to respect our traditions and methods. It is only polite for us to do the same, when we visit them. It is not only polite, it is essential, if we want to sell British products overseas.可知：如果海外商人向我们推销，他
们将尽一切努力讲英语，尊重我们的传统和方法。只有在我们拜访他们的时候，我们才有礼貌地做同样的事情。如果我们想把英国产品卖到海外，这不仅是礼貌的，而且也是必要的。题目的问题为：你和外国人做生意时应该做什么？四个选项分别为：A)尊重他们的传统文化。(B)出席他们的商业研讨会。(C)研究它们的具体要求。(D)采取正确的商业战略。A对红色划线部分的同义转述，因此，本题的正确选项为A项。
2018年6月大学英语六级真题试卷及答案（二）
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