单选题阅读下面的短文，文中有15处空白，每处空白给出4个选项，请根据短文的内容从4个选项中选择1个最佳答案。 There is a difference between science and technology. Science is a method of answering{{U}} (51) {{/U}}questions, technology is a method of solving practical problems', and sometimes{{U}} (52) {{/U}}new problems our of the "solution". Science has to do with discovering the facts and relationships between observable phenomena in{{U}} (53) {{/U}}and with{{U}} (54) {{/U}}. theories that serve to organize these facts and relationships; technology has to do with tools, techniques, and procedures for implementing the findings of science. Progress in science{{U}} (55) {{/U}}the human factor. And this is justly so. Scientists, who seek to comprehend the{{U}} (56) {{/U}}and know the truth within the highest degree of accuracy and{{U}} (57) {{/U}}cannot pay attention to their own or other people's likes or dislikes or to{{U}} (58) {{/U}}ideas about the fitness of things. What scientists discover may shock or anger people—as did Darwin's theory of evolution. But even a(n){{U}} (59) {{/U}}truth is more than likely to be useful; besides, we have the option of refusing to believe it. But{{U}} (60) {{/U}}so with technology; we do not have the option of refusing to hear the sonic boom produced by a supersonic aircraft flying{{U}} (61) {{/U}}; we do not have the option of refusing to breathe polluted air; and we do not have the option of living in a nonatomic age. Unlike science, progress in{{U}} (62) {{/U}}must be measured in{{U}} (63) {{/U}}of the human factor. Technology must be our slave and not the reverse. The legitimate purpose of technology is to serve people—people in general, not merely some people; and future generations, not merely{{U}} (64) {{/U}}who presently wish to{{U}} (65) {{/U}}advantage for themselves. Technology must be humanistic if it is to lead to a better world.

单选题 The Emic and Etic Approaches Researchers who are unfamiliar with the cultural and ethnic groups they are studying must take extra precautions to shed any biases they bring with them from their own culture. For example, they must make sure they construct measures that are meaningful for each of the cultural or ethnic minority groups being studied. In conducting research on cultural and ethnic minority issues, investigators distinguish between the emic approach and the etic approach. In the emic approach, the goal is to describe behavior in one culture or ethnic group in term that are meaningful and important to the people in that culture or ethnic group, without regard to other cultures or ethnic groups. In the etic approach, the goal is to describe behavior so that generalizations can be made across cultures. If researchers construct a questionnaire in an emic fashion, their concern is only that the questions are meaningful to the particular culture or ethnic group being studied. If, however, the researchers construct a questionnaire in an eric fashion, they want to include questions that reflect concepts familiar to all cultures involved. How might the emic and eric approaches be reflected in the study of family processes? In the emic approach, the researchers might choose to focus only on middle-class White families, without regard to whether the information obtained in the study can be generalized or is appropriate for ethnic minority groups. In a subsequent study, the researchers may decide to adopt an etic approach by studying not only middle-class White families, but also lower-income White families, Black American families, Spanish American families, and Asian American families. In studying ethnic minority families, the researchers would likely discover that the extended family is more frequently a support system in ethnic minority families than in White American families. If so, the emic approach would reveal a more different pattern of family interaction than would the etic approach, documenting that research with middle class White families cannot always be generalized to all ethnic groups.

单选题She finally abandoned her legal career and became a social worker.A. supportedB. proposedC. gave upD. tired of

单选题 下面的短文有15处空白，请根据短文内容为每处空白白确定1个最佳选项。 Unpopular Subjects? Is there a place in today's society for the study of useless subjects in our universities? Just over 100 years ago Fitzgerald argued in a well-written letter to Nature that "universities must be allowed to study useless subjects-if{{U}} (51) {{/U}}don't, who will?" He went on to use the example of Maxwell's electrodynamics(电动力学) as one case where a "useless subject" has been transformed (转换) to a {{U}}(52) {{/U}} subject. Nowadays this argument is again very active in many {{U}}(53) {{/U}} Indeed one suspects that it is one of those arguments that must be fought anew (重新) by each generation. But now there is an {{U}}(54) {{/U}} twist (歪曲，扭曲) -subjects must not only be useful, they {{U}}(55) {{/U}} also be popular enough that students will flock (蜂拥) to do them, and even flock to {{U}}(56) {{/U}} to do them. As universities become commercial operations, the pressure to eliminate(去除) subjects or departments that are less popular will become {{U}}(57) {{/U}}. Perhaps this is more acutely(尖锐的) felt at the moment by physics. There has been much discussion in the press of universities that are {{U}}(58) {{/U}} physics departments and incorporate(使合并)them with mathematics or engineering departments. Many scientists think otherwise. They see physics as a {{U}}(59) {{/U}} science, which must be kept alive if only to provide a {{U}} (60) {{/U}} for other sciences and engineering. It is of their great personal concern that physics teaching and research is {{U}}(61) {{/U}} in many universities. How can it be preserved(保留，保存)in the rush towards commercial {{U}}(62) {{/U}}? A major turnaround (转变) in student popularity(讨人喜欢，流行) may have to wait {{U}}(63) {{/U}} the industrial world discovers that it needs physicists and starts paying them well. Physics is now not only unpopular; it is also "hard". We can do more about the latter by {{U}}(64) {{/U}} teaching in our schools and universities. We can also develop cooperative arrangements to ensure that physicists {{U}}(65) {{/U}} their research and teaching up to date.

单选题The dentist has decided to extract her bad tooth.

单选题The Development of Rubber Here is the story of rubber. From the earliest time it was common knowledge (51) the Peruvians that when a cut was made in the outside skin of a rubber tree, a white liquid (52) milk came out, and that (53) this a sticky (粘的) mass of rubber might be made. This rubber is soft when warm, so that it is possible to give it any (54) . The Peruvians made the (55) that it was very good for keeping out the wet. Then in the early 1800's, the Americans made use of it for the first time. First they made overshoes to (56) their feet dry. Then came a certain Mr. Mackintosh, who made coats of cloth covered with natural rubber. From that day to this we have been coating cloth with rubber as Mr. Mackintosh (57) , and our raincoats are still named after him. But these first rubber overshoes and raincoats were all soft and sticky in summer, and (58) and inelastic (无弹性的) in the winter when it was col D. But the rubber we have today is soft and elastic (有弹性的), (59) very strong m even in the warmest summer and the coldest winter. This was made (60) by a man called Goodyear. After many (61) , he found that nitric acid (硝酸) made the rubber much better, but it is not hard and strong enough. Then a strange thing took (62) . A friend of his, Nicholas Hayward, had the idea in his sleep that rubber might be made hard and strong if mixed with sulfur (硫磺) and put in the sun. Goodyear put this idea (63) the test, and saw that it did have more or less the desired effect though somewhat less than more. The only effect it had was on the outside of the rubber. It is common knowledge now that the (64) to make rubber hard and strong is by heating it with sulfur. It took Goodyear four more years to find this metho D. When at last he did it, he had (65) at all. Everything of the smallest value had been used to get money, even his sons' school-books.

单选题Charles Wheeler’s paintings often {{U}}highlight{{/U}} the sharp edges and geometrical shapes of machines.

单选题A crowd {{U}}gathered{{/U}} to see what had happened. A. collected B. fixed C. divided D. assisted

单选题Don"t irritate her, she hates to be disturbed when sleeping.

单选题According to the ______ of the company, he will be punished.A. detailsB. rulesC. salariesD. terms

单选题The gold medal won by two Chinese girls in the women's doubles of tennis is of great {{U}}significance{{/U}}.

单选题The parents always restrain their daughter from swimming in the nearby pool.

单选题It is virtually impossible to persuade him to apply for the job.

单选题Problems of Internet The proportion of works cut for the cinema in Britain dropped from 40 per cent when I joined the BBFC in 1975 to less than 4 per cent when I left. But I don't think that 20 years from now it will be possible to regulate any medium as closely as I regulated film. The Internet is, of course, the greatest problem for this century. The world will have to find a means, through some sort of international treaty of United Nations initiative, to control the material that's now going totally unregulated into people's homes. That said, it will only take one little country like Paraguay to refuse to sign a treaty for transmission to be unstoppable. Parental control is never going to be sufficient. I'm still very worried about the impact of violent video games, even though researchers say their impact is moderated by the fact that players don't so much experience the game as enjoy the technical manoeuvres (策略)that enable you to win. But in respect of violence in mainstream films, I'm more optimistic. Quite suddenly, tastes have changed, and it's no longer Stallone or Schwarzenegger who are the top stars, but Leonardo DiCaprio—that has taken everybody by surprise. Go through the most successful films in Europe and America now and you will find virtually none that we are violent. Quentin Tarantino didn't usher in a new, violent generation, and films are becoming much more prosocial than one would have expected. Cinemagoing will undoubtedly survive. The new multiplexes are a glorious experience, offering perfect sound and picture and very comfortable seats, thins which had died out in the 1980s. I can't believe we've achieved that only to throw it away in favor of huddling around a 14-inch computer monitor to watch digitally-delivered movies at home. It will become increasingly cheap to make films, with cameras becoming smaller and lighter but remaining very precise. That means greater chances for new talent to emerge, as it will be much easier for people to learn how to be better film-makers. People's working lives will be shorter in the future, and once retired they will spend a lot of time learning to do things that amuse them—like making videos. Fifty years on we could well be media-saturated as producers as well as audience; instead of writing letters, one will send little home movies entitled My Week.

单选题阅读下面这篇短文，短文后列出7个句子，请根据短文的内容对每个句子做出判断。如果该句提供的是正确信息，请选择A；如果该句提供的是错误信息，请选择B；如果该句的信息文章中没有提及，请选择C。 People living on parts of the south coast of England face a serious problem. In 1993, the owners of a large hotel and of several houses discovered, to their horror, that their gardens had disappeared overnight. The sea had eaten into the soft limestone cliffs on which they had been built. While experts were studying the problem, the hotel and several houses disappeared altogether, sliding down the cliff and into the sea. Erosion(侵略蚀) of the white cliffs along the south coast of England has always been a pro blem but it has become more serious in recent years. Dozens of homes have had to be abandoned as the sea has crept farther and farther inland. Experts have studied the areas most affected and have drawn up a map for local people, forecasting the year in which their homes will be swallowed up by the hungry sea. Angry owners have called on the Government to erect sea defenses to protect their homes. Government surveyors have pointed out that in most cases, this is impossible. New sea walls would cost hundreds of millions of pounds and would merely make the waves and currents go further along the coast, shifting the problem from one area to another. The danger is likely to continue, they say, until the waves reach an inland area of hard rock which will not be eaten as limestone is. Meanwhile, if you want to buy a cheap house with an uncertain future, apply to a house agent in one of the threatened a reason the south coast of England. You can get a house for a knockdown price but it may turn out to be a knockdown home.

单选题Genetic Testing It is a wise father that knows his own child, but today a man can boost his paternal (fatherly) wisdom—or at least confirm that he"s the kid"s dad. All he needs to do is shell out $30 for paternity testing kit (PTK) at his local drugstore and another $120 to get the results. More than 60,000 people have purchased the PTKs since they first become available without prescriptions last years, according to Doug Fog, chief operating officer of Identigene, which makes the over-the-counter kits. More than two dozen companies sell DNA tests directly to the public, ranging in price from a few hundred dollars to more than $2500. Among the most popular: paternity and kinship testing, which adopted children can use to find their biological relatives and is also the latest rage among passionate genealogists—and supports businesses that offer to search for a family"s geographic roots. Most tests require collecting cells by webbing saliva in the mouth and sending it to the company for testing. All tests require a potential candidate with whom to compare DNA. But some observers are skeptical. "There is a kind of false precision being hawked by people claiming they are doing ancestry testing," says Troy Duster, a New York University sociologist. He notes that each individual has many ancestors—numbering in the hundreds just a few centuries back. Yet most ancestry testing only considers a single lineage, either the Y chromosome inherited through men in a father"s line or mitochondrial DNA, which is passed down only from mothers. This DNA can reveal genetic information about only one or two ancestors, even though, for example, just three generations back people also have six other great-grandparents or, four generations back, 14 other great-great-grandparents. Critics also argue that commercial genetic testing is only as good as the reference collections to which a sample is compared. Databases used by some companies don"t rely on data collected systematically but rather lump together information from different research projects. This means that a DNA database may differ depending on the company that processes the results. In addition, the computer programs a company uses to estimate relationships may be patented and not subject to peer review or outside evaluation.

单选题They always mock me because I am ugly.

单选题Writing is a skill that requires consistent practice.

单选题Purchasing the new production line will be a profitable deal for the company.A. beneficialB. tremendousC. forcefulD. favorable

单选题He made a considerable sum of money in real estate.