【正文】 (B) To show that mass transit changed many cities. (C) To exemplify cities with and without mass transportation. 19. The word potential in line 16 is closest in meaning to (A) certain (B) popular (C) improved (D) possible 20. The word many in line 19 refers to (A) people (B) lots (C) years (D) developers 21. According to the passage, what was one disadvantage of residential expansion? (A) It was expensive. (B) It happened too slowly. (C) It was unplanned. (D) It created a demand for public transportation. 22. The author mentions Chicago in the second paragraph as an example of a city (A) that is large (B) that is used as a model for land development (C) where land development exceeded population growth (D) with an excellent mass transportation system. 13 Question 2333 The preservation of embryos and juveniles is rare occurrence in the fossil record. The tiny, delicate skeletons are usually scattered by scavengers or destroyed by weathering before they can be fossilized. Ichthyosaurs had a higher chance of being preserved than did terrestrial creatures because, as marine animals, they tended to live in environments less subject to erosion. Still, their fossilization required a suite of factors: a slow rate of decay of soft tissues, little scavenging by other animals, a lack if swift currents and waves to jumble and carry away small bones, and fairly rapid burial. Given these factors, some areas have bee a treasury of wellpreserved ichthyosaur fossils. The deposits at Holzmaden, Germany, present an interesting case for analysis. The ichthyosaur remains are found in black, bituminous marine shales deposited about 190 million years ago. Over the years, thousands of specimens of marine reptiles, fish, and invertebrates have been recovered from these rocks. The quality of preservation is outstanding, but what is even more impressive is the number of ichthyosaur fossils containing preserved embryos. Ichthyosaurs with embryos have been reported from 6 different levels of the shale in a small area around Holzmaden, suggesting that a specific site was used by large numbers of ichthyosaurs repeatedly over time. The embryos are quite advanced in their physical development。s than are those of any other pla in the solar system. 18. The midnight sun is a phenomenon in which the Sun visible remains in the sky for twentyfour hours or longer. 19. The Humber River and its valley form a major salmonfishing, lumbering, 8 hunting, and farmer region in western Newfoundland, Canada. 20. Among the parameters that determine whether an environment is suitably for life as se know it are temperature, water availability, and oxygen content. 21. When eggs of some species of insects hatch, the newly born insects look almost like its adult counterparts. 22. Although there are more than 2,000 different variety of candy, many of them are made from a basic boiled mixture of sugar, water, and corn syrup. 23. The capital of the United States, originally New York City, was moved to Philadelphia where stayed until 1800. 24. Migration of animals may be initiated by physiological stimuli such as reproductive changes, external pressures such as weather changes, or a bination of either types of changes. 25. Lawrence Robert Klein received the 1980 Nobel Prize in economics for pioneering the useful of puters to forecast economic activity. 26. The strength, size, and surefootedness of the Hama make it as excellent beast of burden in mountainous regions today as it was in the past. 27. Nuclear energy, despite its early promise as a source of electrical power, is still insignificant in pared with older and safer energy sources. 28. Hawaii39。s effect on the movie industry. (B) The relationships between different media. (C) Radio news as a substitute for newspapers. (D) The role of the print media. 48. (A) People who listen to the radio also buy newspaper. (B) Radio is a substitute for newspapers in people39。t get enough rest. (C) He fets to take his medicine. (D) He doesn39。s likely to e back a winner. 30. (A) The test was harder than he had anticipated. (B) He never does well in biology. (C) He was lucky to pass the test. (D) Professor Morrison is known for giving hard tests. 31. (A) His academic advisor. (B) Another student. 4 (C) A ski instructor. (D) The college dean. 32. (A) The weather. (B) A vacation. (C) Going skiing. (D) Her studies. 33. (A) At the beach. (B) At her job. (C) At a ski resort. (D) At the school library. 34. (A) Take a trip to the beach. (B) Go to a ski resort. (C) Study for his exams. (D) Think further about his vacation. 35. (A) To find out if he has the flu. (B) To find out how to maintain a nutritious diet. (C) To find out how to prevent illness. (D) To find out the results of a blood test. 36. (A) He gets ill at the same time every year. (B) He doesn39。t realize how intelligent Mary really was. (D) The grants haven39。s had to eliminate coffee from her diet. (C) She39。s hours have changed. (C) It39。t be able to find the woman39。t really enjoy playing cards. (D) He doesn39。t want to serve water. (D) There isn39。t left yet. (D) John doesn39。s new apartment. 11. (A) She doesn39。s apartment probably costs more than the man39。s saving money to visit his brothers. 7. (A) The battery is not correctly positioned. (B) She doesn39。s not a good skier. (B) She went skiing on Thursday. (C) She won39。t give the woman his typewriter. (C) He39。s unable to start typing. (B) He can39。s certain the lock works. (D) He will leave the office in about an hour.