【正文】 EEC39。s needs, this could still produce a saving of about a billion pounds in the present bill for imported energy each year. And he believes that with the possibility of utilizing more advanced technology in this field it might be possible to satisfy a much bigger share of the Community39。s research effort in this field, according to the senior EEC scientists engaged in experiments in solar energy a EEC39。s pure coincidence or something special. The same thing is true of the single heart defects it usually shows up in only 15 out of 60,000 births in that part of Australia, but the fact that it occurred in one out of nine testtube babies does not necessarily mean that they are at special risk. One thing the doctors can explain is the high number of Caesareans. The Australian researchers report that they are quite encouraged. All the babies are now making normal progress even the twin with the birth defects. 21. Which of the following would be the most appropriate title for the passage? A) The proportion of Testtube Girls to Boys, B) Are Testtube Babies Healthy C) The Social Meaning of the Idea of Testtube Babies. D) The Moral Issue Associated with Testtube Babies. 正確答案是 22. The passage implies that the first testtube babies were born in ______. A) Canada B) Britain C) America D) Australia 正確答案是 23. Which of the following statements best describes the anization of the passage? A) A problem is examined and possible reasons and solutions are given. B) A procedure is explained and its importance is emphasized. C) Two contrasting views of a problem are presented. D) Recent scientific advancements are outlined in order of importance. 正確答案是 24. According to the passage, which of the following is NOT mentioned? A) People are not sure of the reason why 。ve ever been pregnant yourself, one thing is certain: You wonder what it39。beriberi39。s success. Starting next year, the foundation will paint chevrons and other patterns of stripes on selected roads around the country to test how well the patterns reduce highway crashes. Excessive speed plays a major role in as much as one fifth of all fatal traffic accidents, according to the foundation. To help reduce those accidents, the foundation will conduct its tests in areas where speedrelated hazards are the greatest curves, exit slopes, traffic circles, and bridges. Some studies suggest that straight, horizontal bars painted across roads can initially cut the average speed of drivers in half. However, traffic often returns to full speed within months as drivers bee used to seeing the painted bars. Chevrons, scientists say, not only give drivers the impression that they are driving faster than they really are but also make a lane appear to be narrower. The result is a longer lasting reduction in highway speed and the number of traffic accidents. 6. The passage mainly discusses ______. A) a new way of highway speed control B) a new pattern for painting highways C) a new approach to training drivers D) a new type of optical illusion 正確答案是 7. On roads painted with chevrons, drivers tend to feel that ______. A) they could avoid speedrelated hazards B) they are driving in the wrong lane C) they should slow down their speed D) they are approaching the speed limit 正確答案是 8. The advantage of chevrons over straight, horizontal bars is that the former ______. A) can keep drivers awake B) can cut road accidents in half C) will have a longer effect on drivers D) will look more attractive 正確答案是 9. The American Automobile Association Foundation for Traffic Safety Plans to ______. A) try out the Japanese method in certain areas B) change the road signs across the country C) replace straight, horizontal bars with chevrons D) repeat the Japanese road patterns 正確答案是 10. What does the author say about straight, horizontal bars painted across roads? A) They are falling out of use in the United States. B) They tend to be ignored by drivers in a short period of time. C) They are applicable only on broad roads. D) They cannot be applied successfully to traffic circles. 正確答案是 Passage 3 Oceanography has been defined as the application of all sciences to the study of the sea. Before the nieenth century, scientists with an interest in the sea were few and far between. Certainly Newton considered some theoretical aspects of it in his writings, but he was reluctant to go to sea to further his work. For most people the sea was remote, and with the exception of early intercontinental travelers or others who earned a living from the sea, there was little reason to ask many questions about it, let alone to ask what lay beneath the surface. The first time that the question what is at the bottom of the oceans had to be answered with any mercial consequence was when the laying of a telegraph cable from Europe to America was proposed. The engineers had to know the depth profile of the route to estimate the length of cable that had to be manufactured. It was to Maury of the US Navy that the Atlantic Telegraph Company turned, in 1853, for information on this matter. In the 1840s, Maury had been responsible for encouraging voyages during which soundings were taken to investigate the depths of the North Atlantic and Pacific Oceans. Later , some of his findings aroused much popular interest in his book The Physical Geography of the Sea. The cable was laid, but not until 1866 was the connection made permanent and reliable. At the early attempts, the cable failed and when it was taken out for repairs it was found to be covered in living growths, a fact which defied contemporary scientific opinion that there was no life in the deeper parts of the sea. Within a few years oceanography was under way. In 1872 Thomson led a scientific expedition, which lasted for four years and brought home thousands of samples from the sea. 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