大学英语三级A级分类模拟题247
(总分30,考试时间90分钟)
Reading Comprehension
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There are some steps you can take yourself to avoid catching a cold. Contrary to popular belief, colds are not caused by exposure to severe weather. Colds are caused by viruses (病毒) harbored in the body, and you"re better off out on the ski slopes or even waiting for the bus on a snowy day than you are in a warm room, surrounded by friends, co-workers, or fellow students, who just may be passing the viruses around. If you feel a chill when you"re coming down with a cold, you"re already sick. A chill is an early symptom: it"s the cold that caused the chill, not the other way around.
While the virus can spread through droplets (飞沫) propelled into the air when a cold-sufferer coughs or sneezes. Surprisingly, this is not the **mon route of transmission, Numer
ous studies have now shown that the overwhelming majority of colds are "caught" by hand contact, A cold sufferer rubs her nose, thereby transferring the virus to her hand. Then a **es to visit. "Don"t kiss me," she cautions, so the friend steps back and presses her hand. The friend then wipes her own nose or eye, and several days later is stricken with a cold. Or parents pick up their child"s discarded (丢弃的) tissues and carefully throw them away, but fail to wash their hands afterward.
Cold viruses also can be transferred to objects—telephones, towels, plates and remain infectious for up to three hours. Frequent hand-washing—on the part of the cold sufferer as well as other members of the house- hold—will minimize the spread of viruses in this way.
1. According to the author, we are most likely to catch a cold if we ______.
A. attend a party with a lot of people
B. stay long hours in the street on a snowy day
C. go out on an extremely cold and windy day
D. go skiing or skating in the open air
2. From what the author says, we can infer that "Exposure to severe weather causes colds." is ______.
A. only a supposition of doctors
android读取系统签名B. still the view held by many people
C. an out-of-date view of people in the past
D. a fact already proven by doctors
3. To prevent viruses from spreading, we should ______.
A. shake hands with our friends instead of kissing them
position of the dayB. never touch the telephones, towels or plates
C. often wash our hands
D. often rub our noses and eyes
4. Man is most likely to be stricken with a cold if ______.
A. he often rubs his eyes or nose
B. he fails to expose the cold viruses to air
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C. he visits his friend in a warm room
D. he shakes hands with a cold-sufferer
5. The best title for this passage might be ______.
A. Colds and Viruses
B. Ways to Avoid Colds
C. The Spread of Viruses
D. Hand Contact and Transmission of Viruses
2
Normally a student must attend a certain number of courses in order to graduate, and each course which he attends gives him a credit which will be counted towards a degree. In many American universities the total work for a degree consists of thirty-six courses, each lasting for one term. A typical course consists of three classes per week for fifteen weeks; a student will probably attend four or five courses during each term while attending a university. Normally a student may expect to take four years attending two semesters each year. Of course, they can work for the degree over a longer period. It is also possible for a student to move between one university and another during his degree course, though this is not in fact done as a regular practice.
Every course that the student takes will be given a grade, which is recorded and available for the student to show to their prospective employers. All this imposes a constant pressure and strain of work on students. But some students still spare their time to take p
art in the student affairs. Elections to positions in student organizations arouse much enthusiasm. The effective work of maintaining discipline is usually performed by students who advise the academic authorities. Any student who is thought to have broken the rules, for example, by cheating, has to appear before a student court. With the large numbers of students, the operation of the system does inelude a certain number of activities. A student who has held one of these positions of authority is much respected and it will be helpful to him later in his career.
1. Normally a student would at least attend ______ classes each week.
fameviewA. 36        B. 16
C. 30        D. 12
2. According to the first paragraph an American student is allowed ______
A. to live at home and drive to classes
B. to live in a different university
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C. to take a particular course in a different university
D. to get two degrees from two different universities
3. American university students are usually under pressure of work because ______
A. their academic performance will affect their future careers
B. they are heavily involved in student affairs
C. they have to observe university discipline
D. they want to run for position of authority
4. What can we infer from the passage?
A. Students in American universities normally under great pressure.
B. Students are active in taking part in students organizations.
C. American universities are hard for students to get the degree.

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