1、大学英语六级模拟试卷 748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
3、in 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 Cholesterol and Heart Disease Do you know your cholesterol level? Many people dont. A high level of cholesterol in the blood is an import
4、ant risk factor for heart disease. Some people say that the danger of heart disease is exaggerated. However, heart disease is a main cause of death in developed countries. Every year more than one million Americans have heart attacks, and half of them die. People with heart disease suffer chest pain
5、s that make simple activities, such as walking, shaving, or taking a shower, difficult. Research has proven that cholesterol levels are connected with heart disease. One project in Massachusetts has studied the same group of men and women since 1948. The researchers have found that the people who ha
6、ve high levels of cholesterol have more heart attacks. A natural substance in the blood, cholesterol comes from the liver. The amount of cholesterol is affected by diet and by physical qualities we inherit from our parents. One kind of cholesterol sticks fat to the walls of arteries, making them sma
7、ller and finally blocking them. It produces a condition called “hardening of the arteries,“ which causes heart attacks. With tiny cameras, doctors can see blood circulating through the heart valves. Angiograms (血管造影照片 ) are x-rays of the heart arteries. They show fat deposits and blockages caused by
8、 high cholesterol. Heart disease begins in children as young as 3 years old. It occurs earlier in boys than in girls. Nearly half of teenagers have some fat deposits on their artery walls. Heart disease develops faster if we have high cholesterol levels and also smoke. What is a safe level of choles
9、terol? Adults have a high risk of heart attack if their cholesterol level is above 240 milligrams per deciliter (1/10 公升 ) of blood. Below-200 is better. In the Massachusetts study, no one with a cholesterol level below 150 has ever had a heart attack. However, about half of American adults have cho
10、lesterol levels above 200. To lower our cholesterol level, we must change our eating habits. Anything that comes from an animal is high in fat and high in cholesterol. The American Heart Association National Cholesterol Education Program says that fat should be no more than 30 percent of our diet. B
11、lood cholesterol levels start to fall after 2 to 3 weeks of following a low-cholesterol, low-fat diet. Dietary changes alone can result in a 10 percent reduction of the average persons cholesterol level. Aerobic exercise helps, too. Artery blockage can be reduced by as much as 40 percent through cha
12、nges in diet and amount of exercise. We must educate everyone, including children in elementary schools. We must teach them responsibility for their health through classes in nutrition and aerobic exercise. For example, the smart snack is fruit. Children must be served fruit in the school cafeteria,
13、 along with low-fat meals. Schools must send recipes home with the children. Parents must include children in planning and preparing meals and shopping for food. Adults, including persons over the age of sixty five, can lower their cholesterol by 30 or 40 percent. It is never too late to change. One
14、 man began his health program when he was seventy: three. By the time he was seventy-seven, he had lowered his arterial blockage from 50 percent to 13 percent and his cholesterol from 320 to 145 without drugs. He went on a vegetarian diet with only 10 percent fat, plus programs to reduce stress and
15、get more exercise. A low-cholesterol diet that cuts out most animal products and high-fat vegetables may be unfamiliar to people. The Heart Association says to use no added fat of any kind. Dont fry food in oil. Cook it in water, vinegar, or vegetable water. Learn about grains and vegetables. Avoid
16、egg yolks (the yellow-part of the egg). Eat potatoes, beans, low-fat vegetables, and fruit. People often complain about low-fat diets before they have had time to get used to them. Food can taste good without cream, butter, and salt. You can use olive oil, mustard, fresh herbs, or yogurt instead. A
17、new diet can cause general anxiety, when people feel worded and nervous about what is going to happen. They must learn to deal with the changes in their lives. Sometimes major changes in diet or lifestyle are easier than minor ones because the results are bigger and faster. Fast results encourage us
18、. How can you control the amount of fat in your diet if you eat in restaurants? Restaurants must provide healthy meals that are low-in fat, salt, and cholesterol. A diet is a personal thing. Restaurant owners should not make customers feel embarrassed because they want to follow a diet that is good
19、for them. Restaurant owners must learn to give equal service to customers on a healthy diet. Some restaurants have items on the menu marked with a heart to show that they are low-in fat, cholesterol, salt, or sugar. A few restaurants serve only these recipes. Heart disease causes one out of every fo
20、ur deaths in East Harlem in New York City. The East Harlem Healthy Heart Program is an educational program. It has two goals: to get people to change their diets and to find volunteers to help run educational activities. One way it educates is by street shows. Actors wear costumes and carry big piec
21、es of plastic fat. They entertain so people will listen. Groups of children perform songs and dances that educate people about heart disease and diet. Volunteers lead walking and exercise groups to show people how to begin exercising. Volunteers also stand in supermarkets to suggest healthy food cho
22、ices to shoppers. The volunteers have shoppers taste two kinds of milk to see which tastes better. Most people are surprised that the low-fat milk tastes better than the whole milk. Shoppers axe encouraged to buy low-fat milk instead of whole milk. The population grows year by year. And education co
23、sts money, but it also brings results. In 1983, only 35 percent of the American public knew their cholesterol levels. By 1990, 65 percent of the people had had theirs checked. People feel better if they lower their cholesterol through diet. Healthy people are more confident. They are more attractive
24、 to themselves, as well as to others. Their friends stare at them because they look so healthy. We can prevent heart disease by living a healthful lifestyle and eating the right kind of diet. If people dont do this, two out of three men and women in America will eventually get heart disease. 2 No di
25、rect relationship has been proven between high cholesterol levels and heart attacks. 3 Boys have a higher risk of developing heart disease than girls. 4 Old people shouldnt bother to change their eating habits because its too late for it to do them any good. 5 It can be easier to change our diet a l
26、ot than to change it a little. 6 Diet and physical qualities which passed down from our parents affect _ a natural substance in the liver blood. 7 Children should learn more responsibility for their health through classes in _. 8 One of the educational activities in East Harlem Healthy Heart Program
27、 is _. 9 Consumers are encouraged to buy low-fat milk rather than _. 10 Compared with the number of American people who had their blood cholesterol levels checked in 1990 was _ than that of in 1983. 11 The article deals with the link between _ and the suggestions to prevent them. Section A Direction
28、s: 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 the pause, y
29、ou must read the four choices marked A, B, C and D, and decide which is the best answer. （ A） Shes happy that the student center is getting more computers. （ B） Shell let the man use her computer to do statistics assignments. （ C） She will take a statistics course in the student center soon. （ D） Sh
30、ed like to buy a computer very soon. （ A） She is very happy to obey the rules. （ B） She is very interested in the rules. （ C） She is irritated by so many rules. （ D） She is sorry for the rules. （ A） Public Buses are fast and cheap transportation tools. （ B） Parking is becoming a big problem. （ C） Su
31、bway trains are even safer than taxies. （ D） Taxies are more convenient than buses. （ A） Hes also interested in American literature. （ B） He hasnt decided if he would take the literature class. （ C） The woman should have already finished her paper. （ D） The womans topic may not be appropriate. （ A）
32、She feels sorry owing to the mans failure. （ B） She did no better than the man in the contest. （ C） She is optimistic that she wont be the last in the contest. （ D） She thinks that they can win in the coming contest. （ A） It wont be different from the others. （ B） It will be unusually mild. （ C） It
33、will be warm and comfortable. （ D） It. will probably be cold. （ A） By learning English alone. （ B） By learning English hard before test. （ C） By studying at her spare time. （ D） By learning a little regularly. （ A） She is a little tired. （ B） She is going to study in the library. （ C） She wants to l
34、isten to the music. （ D） She is going to make a reservation. （ A） It is getting things done through other people. （ B） It is helping an organization find the right staff. （ C） It is assembling people of different abilities. （ D） It is communicating between colleagues. （ A） They should be avoided by
35、all means. （ B） They are bad for effective management. （ C） They can be good for an organization. （ D） They are surprisingly complicated. （ A） Delegation is a ticket to foreign trade. （ B） Managers shouldnt merely be a “doer“. （ C） Leadership is a born ability. （ D） Delegation is the most important
36、thing in management. （ A） A scientist and his assistant. （ B） A physician and a nurse. （ C） A psychologist and a news reporter. （ D） A professor and his student. （ A） Emotional intelligence. （ B） Intelligence quotient. （ C） Applied psychology. （ D） The function of the emotional brain. （ A） Days. （ B
37、） Weeks. （ C） Months. （ D） Years. （ A） Effective ways of growing emotional intelligence. （ B） Interactions between emotional intelligence and IQ. （ C） Correlations between emotional intelligence and IQ. （ D） Good combinations of emotional intelligence and IQ. Section B Directions: In this section, y
38、ou will hear 3 short passages. At the end of each passage, 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. （ A） Because they liked to eat tea leaves. （ B）
39、 Because they were curious about the taste of tea leaves. （ C） Because they did not know how to do with tea. （ D） Because they wanted to make sandwiches with tea. （ A） Britons got expansive tea from China. （ B） Britons got their first tea from Finland. （ C） Britons were the first people in Europe wh
40、o drank tea. （ D） In the 17th century the East. India Company introduced tea to Britain. （ A） Because they followed everything the Britons did. （ B） Because it tasted better than mixed with butter. （ C） Because it became a popular drink. （ D） Because they were influenced by a woman ill the upper cla
41、ss. （ A） By greeting each other very politely. （ B） By exchanging their views on public affairs. （ C） By displaying their feelings and emotions. （ D） By asking each other some personal questions. （ A） Refrain from showing his feelings. （ B） Express his opinion frankly. （ C） Argue fiercely. （ D） Yell
42、 loudly. （ A） Getting rich quickly. （ B） Distinguishing oneself. （ C） Respecting individual rights. （ D） Doing credit to ones community. （ A） Students from America. （ B） Students from England. （ C） Students from Australia. （ D） Students from Japan. （ A） Those who know how to program computers. （ B）
43、Those who get special aid from their teachers. （ C） Those who are very hardworking. （ D） Those who have well-educated parents. （ A） Japanese students study much harder than Columbian students. （ B） Columbian students score higher than Japanese students in math. （ C） Columbian students are more optim
44、istic about their math skills. （ D） Japanese students have better conditions for study. （ A） Physics. （ B） Mathematics. （ C） Environmental science. （ D） Life science. Section C Directions: In this section, you will hear a passage three times. When the passage is read for the first time, you should l
45、isten carefully for its general idea. When the passage is read for the second time, you are required to fill in the blanks numbered from 36 to 43 with the exact words you have just heard. For blanks numbered from 44 to 46 you are required to fill in the missing information. For these blanks, you can
46、 either use the exact words you have just heard or write down the 36 Jazz began in the early 20th century as a kind of music of black Americans. It was 【 B1】 for singing, for dancing, and for entertainment and atmosphere at parties or social 【 B2】 . Jazz has continued to develop and has produced som
47、e of the United States leading singers, instrumentalists, and 【 B3】 . Today, it s【 B4】 by many to be America s art music. It has also 【 B5】 almost every other kind of music in America, Europe, and even the 【 B6】 . Jazz represents a 【 B7】 of musical elements from Africa and from Europe. Jazz uses som
48、e European ideas of 【 B8】 and melody, but the rhythms are more African in origin. And Jazz is polyrhythmic, 【 B9】 . The most important feature of Jazz is improvisation.【 B10】 . Jazz musicians have learned to improvise so well that they can make up excellent melodies as they play. A good Jazz player
49、seldom plays anything the same way twice. 【 B11】 . 37 【 B1】 38 【 B2】 39 【 B3】 40 【 B4】 41 【 B5】 42 【 B6】 43 【 B7】 44 【 B8】 45 【 B9】 46 【 B10】 47 【 B11】 Section A Directions: In this section, there is a passage with ten blanks. You are required to select one word for each blank from a list of choices given in a word bank following the passage. Read the passage through carefully before making your choices. Each choice in the bank is identified by a letter. Please mark the corresponding lette
