1、大学英语六级模拟试卷 54及答案与解析 一、 Part I Writing (30 minutes) 1 For this part, you are allowed 30 minutes to write a short essay entitled BBS and College Students. You should write at least 150 words according to the outline given below in Chinese 1 BBS成为很多大 学生生活中必不可少的一部分 2 BBS的主要功能 3 BBS存在的问题 BBS and College
2、Students 二、 Part II Reading Comprehension (Skimming and Scanning) (15 minutes) Directions: In this part, you will have 15 minutes to go over the passage quickly and answer the questions attached to the passage. For questions 1-4, mark： Y (for YES) if the statement agrees with the information given i
3、n the passage; N (for NO) if the statement contradicts the information given in the passage; NG (for NOT GIVEN) if the information is not given in the passage. 2 Teeth Care Dentists say that the most important part of tooth care happens at home. Brushing and flossing properly, along with regular den
4、tal checkups, can help prevent tooth decay and gum disease. Giving Plaque the Brush-Off To prevent cavities, you need to remove plaque, the transparent layer of bacteria that coats the teeth. The best way to do this is by brushing your teeth twice a day and flossing at least once a day. Brushing als
5、o act as stimulus to the gums, which helps to keep them healthy and prevent gum disease. Toothpastes contain minimal abrasives(磨料 ), detergents, and foaming agents. Fluoride, the most common active ingredient in toothpaste, is what prevents cavities. So you should always be sure your toothpaste cont
6、ains fluoride. About one person in 10 has a tendency to accumulate tartar quickly. Tartar is plaque(硬块 ) in a hardened form that is more damaging and difficult to remove. Using antitartar toothpastes and mouthwashes, as well as spending extra time brushing the teeth near the salivary glands(the insi
7、de of the lower front teeth and the outside of the upper back teeth),may slow the development of new tartar. If you have teeth that are sensitive to heat, cold, and pressure, you may want to try a special toothpaste for sensitive teeth. But youll still need to talk to your dentist promptly about you
8、r sensitivity because it may be indicative of a more serious problem, such as a cavity or nerve irritation. Tips on Proper Brushing Dentists say that the minimum time you should spend brushing your teeth is 2 minutes twice a day. Here are some tips on how to brush properly: -Hold your brush at a 45-
9、degree angle against your gumline. Gently brush from where the tooth and gum meet to the chewing surface in short (about half-a-tooth-wide) strokes. Brushing too hard can cause receding gums, tooth sensitivity, and, over time, loose teeth. -Use the same method to brush all outside and inside surface
10、s of your teeth. -Place the brush against the biting surface of the teeth N (for NO) if the statement contradicts the information given in the passage; NG (for NOT GIVEN) if the information is not given in the passage. 2 【正确答案】 B 【试题解析】 定位到文章开头的第二句： Brushing and flossing properly， along with regular
11、 dental checkups， can help prevent tooth decay and gum disease (正确刷牙和使用牙线，并且定期进行牙科检查，有助于预防蛀牙和牙龈疾病。 )题干中只是提到刷牙和使用牙线，并未提到做法正确与否，而且漏掉定期牙科检查，属于断章取义，与原文内容不符。 3 【正确答案】 A 【试题解析】 定位到文章中标题 Giving Plaque the Brush-Off下的末段： If you have teeth that are sensitive to heat， cold， and pressure， you may want to try a
12、 special toothpaste for sensitive teeth But youll still need to talk to your dentist about your sensitivity because it maybe indicative of a more serious problem， such as a cavity or nerve irritation。 (如果你的牙齿对冷、热、刺激 都过敏，你可能想试用抗过敏的特制牙膏。但是你仍然需要立刻去看牙医，因为牙齿敏感可能预示更严重的问题，比如蛀牙洞或神经过敏。 )题干是对原文的同义转述和概括。 4 【正确
13、答案】 A 【试题解析】 定位到文章标题 Tips on Proper Brushing下第一条建议末句：Brushing too hard can cause receding gums， tooth sensitivity and， over time，loose teeth (刷牙时用力过猛会造成牙龈萎缩，牙齿过敏，而且久而久之会造成 牙齿脱落。 )由此可判断，牙龈萎缩常常是由于刷牙过猛造成的。题干与原文内容相符合。 5 【正确答案】 C 【试题解析】 定位到文章标题 Tips on Proper Brushing下的第五条建议： The exchange of body fluids
14、that such sharing would foster places toothbrush sharers at an increased risk for infections， a particularly important consideration for persons with compromised immune systems or infectious diseases (交换牙刷过程中产生的液体交换会增加牙刷交换者的感染风险，这一点对于那些有免疫系统疾病或传染病的人来说更需注意。 )由此可见，文章中没有提到被污染的牙刷会否传播病毒和细菌。 6 【正确答案】 vola
15、tile sulfur compounds 【试题解析】 定位到 Facts on Flossing标题，首段第三句 Sometimes， the bacteria break down the food particles and create volatile sulfur compounds For this reason youll need to floss these spaces at least once a day.(有时，细菌分解食物残渣，产生易挥发的硫化合物。因此，你至少需要每天用牙线清洁这些地方。 )由此可得出答案。 7 【正确答案】 whitening your te
16、eth 【试题解析】 定位到文章标题 Tooth-Whitening Products下的最后两句话： If you think your teeth arent white enough， though， talk to your dentist before you try any over-the-counter whitening products Your dentist may be able to offer you professional treatment， which will be suited to your unique needs and will work be
17、tter than over-the-counter products (如果你认为自己的牙齿不够白，那么在试用任何一种药店柜台出售的美白产品之前先去和自己的牙科医生聊聊。你的牙科医生可能会给你一些专业治疗。这些专业治疗是针对你一个人的独特需求的，要比柜台出售的美白产品更有效。 )由此可得答案。 8 【正确答案】 cheese， popcorn， raw vegetables， and yogurt 【试题解析】 Sugarless与文中的 nonsugary同义，由此定位到 The Nutrition Connection标题，末段： If you snack， eat nonsugary
18、foods， such as cheese，popcorn， raw vegetable， or yogurt (如果你吃零食，吃一些无糖食品，比如奶酪、爆米花、生蔬菜、酸奶等。 )此题关键在于根据题眼 sugarless找到文章中的同义词 nonsugary。 9 【正确答案】 a professional bleaching 【试题解析】 定位到文章中 Going to the Dentist标题下的第二段： Your first consultation with a dentist will probably consist of three main parts： a dental
19、and medical history.a dental examination.， and a professional bleaching.(第一次去看牙医可能由三部分组成：牙病史，牙齿检查，以及专业洗牙。 )此题题干中的visit， information inquiry是对原文的解释。题干的意思是要求填写包括几部分，所以做 题时应该忽略原文括号中的部分，节省时间，快速得出答案。 10 【正确答案】 root caries 【试题解析】 定位到文章中 More Dental Problems标题下的第二句： Children are the most cavity prone， but
20、adults of all ages can be affected， too In fact， two out of three cavities in people over 50 are a result of decay around existing fillings，and most people over 60 have root caries as a result of gum diseases (儿童最容易长蛀牙洞，但是任何年龄的成年人也不例外。事实上，在五十岁以上的人中，三个蛀牙洞中有两个是在已经填补过的牙洞周围腐蚀的，而且大多数 60岁以上的人由于牙龈疾病而容易患牙根蛀
21、牙。 )题干中的 more likely to是对原文中 prone的解释。题干是对原文意思的概括。 11 【正确答案】 good oral hygiene habits 【试题解析】 定位到文章中 More Dental Problems标题下末句： If your remove plaque regularly and follow good oral hygiene habits， your gums usually will return to their healthy state (如果你能定期清除牙斑，养成良好的卫生习惯，你的牙龈通常会恢复健康。 )由此可得出答案。 Sectio
22、n A Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the conversation and the questions will be spoken only once. After each question there will be a pause. During
23、 the pause, you must read the four choices marked A, B, C and D, and decide which is the best answer. 12 【正确答案】 B 【试题解析】 M: Id really be very grateful if you could help me pack tomorrow. W: Id be happy to if I were not asked to baby-sit for my sister. Q: What will the woman do tomorrow? 13 【正确答案】 C
24、【试题解析】 W: Do you ever know what Tony is talking about? He was giving me such a hard time when we ere working together. M: Never. He always beats around the bush. Q: What is the reason they cant understand Tony? 14 【正确答案】 A 【试题解析】 W: Where does this road lead? We must be lost. Wed better get some dir
25、ections. M: There is a policeman over there. Lets pull in right here and ask him for help. Q: Where are the two speakers? 15 【正确答案】 C 【试题解析】 W: Were you able to understand that French novel without any help from the teacher? M: I did pretty well, but I had to fall back on my dictionary occasionally.
26、 Q: What does the man mean? 16 【正确答案】 D 【试题解析】 M: You have been getting back from lunch later every day. You do your shopping, dont you? W: No. I spend most of my lunch hour at the library, but its so quiet that I fall asleep. Q. Why does the woman come back late? 17 【正确答案】 A 【试题解析】 M: Id love to co
27、me to your picnic on Saturday but my cousin is arriving from California that day. W: Thats no problem. The more the merrier. Q: What does the woman imply? 18 【正确答案】 B 【试题解析】 W: Please turn down the television. I cant understand anything my friend is saying on the phone. M: Hurry up and finish your c
28、all. I dont like standing so close. The light hurts my eyes. Q: Why is the woman upset? 19 【正确答案】 A 【试题解析】 W: What would you like to have for tonight, fish or steak? M: It is better to have some light food in such dry weather. Q: What can be inferred from the mans answer? 20 【听力原文】 W: Dr. Adams, you
29、r new book, Learning a Language over Eggs and Toast, has been on the best seller list for the past six weeks. Tell us about this title. M: Well, one of the most important keys to learning another language is to establish a regular study program. W: Your ideas may sound a little simple. I took Spanis
30、h in high school, but I didnt become a proficient speaker. M: Many people feel that way. Im not saying that we can become fluent speakers in a few minutes, but rather following a regular, consistent, and focused course of study can help us master a language. There is a difference between native flue
31、ncy and proficiency in language, and I propose the latter. W: So what are some of the basic keys you are suggesting in the book? M. Well, people need to set realistic goals from the beginning. Some people get crazy about learning in 30 days, only to lose interest if they dont perform up to their exp
32、ectations. And small steps, little by little, are the key. For example, learning five new words a day and using them actively is far better than learning 30 and forgetting them the next day. W: What is learning about your own learning styles? M: People have different ways of learning. Some are visua
33、l learners who prefer to see models of the patterns they are expected to learn; others are auditory who favor heating instructions. Our preferences are determined by many factors, personality, culture, and experience, W: What is your learning style? M: Well, I learn through hands-on experience. W. H
34、ow does knowing your style benefit you? M: Well, moving around while trying to learn and memorize material helps me a lot. While I cut up tomatoes for breakfast, I might recite words aloud to the rhythm of the knife. 20 【正确答案】 C 【试题解析】 What is the most important point in learning a foreign language?
35、 21 【正确答案】 A 【试题解析】 What does Dr. Adams suggest when learning another language? 22 【正确答案】 C 【试题解析】 What kinds of activities would help Dr. Adams in his own study? 23 【听力原文】 W: It was just five years ago that the iPod first hit the market. Now wherever you go, you are sure to see those white ear buzz
36、es. Steve, did Apple understand what it was launching five years ago? M: Not really, it was after iPod came out that they realized everyone could enjoy this. Then they decided to extend it to the Windows platform, and millions of people took off with iPods. W: What exactly has it brought? M: It chan
37、ged Apple from a company with a small market share with millions of computers to one with a massive market share in an incredibly important new product category. W: Then iPod has completely changed Apples profile. M: Right. People are now being driven from iPods to Apples computers as opposed to vic
38、e versa. They say, “This iPod is amazing. My whole music collections are with me. Its so easy to use. I love it. “And they look at Apples software as well. W: How many are being sold? M: 67 million. Its going to be 70 million pretty soon. I think next year it will hit 100 million. W: Thats incredibl
39、e. Do you think it is the peak or will it keep moving? M: Keep moving. Take a look at the first iPods, they were sort of huge. They are getting smaller, and this year weve got even smaller. W: I guess thats the other thing about iPods. They are amazing, good in your hands, so user-friendly. Theyre r
40、eally imaginative. M: Yeah, the more you use it, the more you become emotionally attached to it. You know whats really changed? I dont think Apple wants to do this. The music business world. On the iTune store, you can pick any song you like and buy it anytime you like. 23 【正确答案】 B 【试题解析】 What is th
41、e conversation mainly about? 24 【正确答案】 C 【试题解析】 How many iPods are being sold? 25 【正确答案】 C 【试题解析】 Why are iPods so popular according to the conversation? 26 【正确答案】 D 【试题解析】 What is really changed by iPod? Section B Directions: In this section, you will hear 3 short passages. At the end of each passa
42、ge, you will hear some questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A, B, C and D. 27 【听力原文】 Our electric car is the way of the future. Automobile manufactures are under the pressure to
43、 develop cars that do not pollute. One powerful motive is a California law requiring that by the Year 2010, 30% of the new car sales of the state be so-called zero emission vehicles. These cars must put no pollutants whatsoever into the atmosphere. California is a huge market for the automobile comp
44、anies. So they are working hard to meet this standard. So fax the electric car seems to be the best alternative. The biggest advantage of electric cars is that they dont pollute. However, they will be in competition with gas powered cars. Thats where the witnesses come out. The big problem is that t
45、he batteries in electric cars weigh a lot relative to the amount of power they deliver. For instance in one electric car the batteries weigh four hundred kilograms and they provide enough energy to go 250 km before recharging, which takes 8 hours. Compare that to a moderately fuel efficient conventi
46、onal car; it can go 400-700 km on a tank of gas. And refilling takes just minutes. If there are other drains on an electric cars batteries besides a motor, headlights, air-conditioning or a heater, its already limited range would be significantly reduced. So automobile engineers are trying to make m
47、ore powerful batteries that would increase the cars range and make them more attractive to buyers. 27 【正确答案】 D 【试题解析】 What is the passage mainly about? 28 【正确答案】 B 【试题解析】 What is the main advantage of electric cars over gas-powered cars? 29 【正确答案】 C 【试题解析】 What is the main drawback of an electric ca
48、r? 30 【听力原文】 When you see a clever advertisement in a newspaper, do you say to yourself, “Ah, thats good. Id like to have one of those“? Or do you say, “What lies are they telling this time? It cant be very good or they wouldnt have to advertise it so cleverly“? Both of these people exist; the first
49、 are optimists; the second, pessimists and realists. Advertisements can be extremely useful if they are honest; if, let us say, you have broken your pen and you want to buy another, the first thing to do is to look at as many advertisements for pens as you can find. That will help you to choose the model, color and price that suit you. Advertisements save a lot of time and trouble by putting sellers in touch with buyers in a quick and simple way. If the advertisements are true
