题目内容
（请给出正确答案）
Interestingly, many people hold the belief that imports are______to domestic goods.
A．contrary
B．relevant
C．superior
D．essential
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The use of light for communication is one of the major directions that technology has taken ever since the middle of the nineteenth century. From still (静态的) photography to movies to television (with a development from black-and-white to color imagery in each) , photo technology has had a great effect upon mass communication and mass education. Unlike the printed word, visual images have more impact because they are more immediate; They copy reality in a way that the printed word cannot. Unlike letter shapes, they are not abstract; unlike words, they require no symbolic interpretation by the mind. Combined with the widespread and uniform. spreading of such images, phototechnology affects the thinking of vast audiences and shapes their view of reality.
As the number of commercially available television channels grows, the viewer's freedom of choice increases, but so does the burden of that choice.
It can be learned about the technology of light from the first paragraph that______.
A．its mere practical use is to enable people to see well
B．it achieved a remarkable development in the early nineteenth century
C．its development is related to the study of the history of technology
D．it has aroused the interest of inventors ever since ancient times
It could, of course, be argued that students are not competent to evaluate the academic quality of lectures. If anyone should evaluate lecturers, it should be their colleagues. However, I am not arguing that students should be asked to comment on the academic content of lectures, but to evaluate the effectiveness.
I suspect that many of the objections to student evaluation stem from the fear some lecturers have of being subject to criticism by their students. However, lecturers should see such evaluation as an opportunity to become aware of defects in their lecturing techniques and thus to become better lecturers. Such a system should benefit both students and lecturers as well as help department heads to assess the strengths and weaknesses of their teaching staff.
According to the author, all the students know that ______. ()
A．there are great differences among the lecturers as to their quality of teaching
B．quite a lot of teachers can produce the results students desire
C．they must be inspired to learn
D．it is too dull to attend lectures
Interestingly enough, it is women ______ men who get divorces. ()
A．other than
B．rather than
C．except
D．apart from
A.Surprisingly
B.Historically
C.Interestingly
D.Generally
A. importantly
B. especially
C. interestingly
Part A
Directions: Read the following four texts. Answer the questions below each text by choosing A, B, C or D. (40 points)
It is known that the brain shrinks as the body ages, but the effects on mental ability are different from person to person: Interestingly, in a study of elderly men and women, those who had more education actually had more brain shrinkage. "That may seem like bad news," said study author Dr. Edward Coffey, a professor of psychiatry and neurology at Henry Ford Health System in Detroit. However, he explained, the finding suggests that education allows people to withstand more brain-tissue loss before their mental functioning begins to break down. The study is the first to provide biological evidence to support a concept called the "reserve" hypothesis, according to the researchers. In recent years, investigators have developed the idea that people who are more educated have greater cognitive reserves to draw upon as the brain ages; in essence, they have more brain tissue to spare.
Examining brain scans of 320 healthy men and women ages 66 to 90, researchers found that for each year of education the subjects had, there was greater shrinkage of the outer layer of the brain known as the cortex. Yet on tests of cognition and memory, all participants scored in the range indicating normal. "Everyone has some degree of brain shrinkage," Coffey said. "People lose 2.5 percent per decade starting in adulthood." There is, however, a "remarkable range" of shrinkage among people who show no signs of mental decline, Coffey noted. Overall health, he said, accounts for some differences in brain size. Alcohol or drag use, as well as medical conditions such as diabetes and high blood pressure, contribute to brain-tissue loss throughout adulthood. In the absence of such medical conditions, Coffey said, education level helps explain the range of brain shrinkage exhibited among the mentally-fit elderly. The more-educated can withstand greater loss. Coffey and colleagues gauged shrinkage of the cortex by measuring the cerebrospinal fluid surrounding the brain. The greater the amount of fluid, the greater the cortical shrinkage.
Controlling for the health factors that contribute to brain injury, the researchers found that education was related to the severity of brain shrinkage. For each year of education from first grade on, subjects had an average of 1.77 milliliters more cerebrospinal fluid around the brain. For example, Coffey's team reported, among subjects of the same sex and similar age and skull size, those with 16 years of education had 8 to 10 percent more cerebrospinal fluid compared with those who had four years of schooling. Of course, achieving a particular education level is not the definitive measure of someone's mental capacity. And, said Coffey, education can be "a proxy for many things" More-educated people, he noted, are often less likely to have habits, such as smoking, that harm overall health.
But, Coffey said that people should strive throughout life to keep their brains alert by exposing themselves to new experiences. Traveling is one way to stimulate the brain, and a less adventuresome way is to do crossword puzzles.
We can know from the first paragraph that______.
A．Brains of the more-educated people may become more contracted when they get aged
B．Education may do harm to people's brains
C．More educated people may suffer from brain tissue loss
D．The less educated can resort to more cognitive reserves when aged
Many buildings ______ by the earthquake. (destroy)
Many people like the color white as it is a ______ of purity.
A．symbol
B．sign
C．signal
D．symptom
