19. B 综合推断题。女士说This food is terrible. I can't even finish my dinner. 男士说the university could hire a better food service，结合这两句话可以推断，对话发生在食堂，所以B正确。

　　20. C 信息明示题。女士说I'm going over to the student recreation center to play some bridge.接下来男士问You are spending your time on a card game?由此可知，女士计划晚上play bridge(打桥牌)，故选C。

　　21. D 信息明示题。男士说You should be careful not to play so much that you don't get your studying done。所以D正确。

　　22. D 信息明示题。男士说I have a pretty heavy workload this semester. I have to spend my evenings studying。由些可知，男士这学期的学业很重，他晚上也要学习，故选D。

　　Conversation Two

　　23. C 综合推断题。男士在对话开始时提到了海水来自彗星这一新理论，接下来的对话主要就是围绕该理论展开的，最后还引出了海水来自火山这一传统理论，由此推断，对话主要与地球上水的来源，特别是海水的来源有关，故选C。

　　24. D 信息明示题。男士说海水来源的新理论是基于最近人造卫星所拍摄的照片的，宇宙人造卫星最近探测到，每天有将近四万颗小彗星与地球外层大气相碰撞，故选D。

　　25. D 信息明示题。女士指出，地质学者认为火山气体大多为蒸汽，故选D。

　　Section B

　　Passage One

　　26. A 信息明示题。文章第一段指出，...Australia, where he trained as an electronics engineer。由此可知A正确。

　　27. D 信息明示题。文章第二段指出，...being an amateur radio operator，由此可知D正确。

　　28. C 信息明示题。文章第三段指出，Henry realized that this man was in fact his younger brother, Peter由此可知C正确。

　　Passage Two

　　29. B 信息明示题。文章开头便指出，...four types of college degrees, starting with the associate degree。由此可知B正确。

　　30. A 信息明示题。文章指出，Not all associate degrees are designed for transfer. Some are technical degrees which are called terminal degrees, which mean they do not count toward a bachelor's。由此可知A正确。

　　31. C 信息明示题。文章最后指出，The BA (or BS) is 120 credit hours or 185 quarter hours。由此可知C正确。

　　Passage Three

　　32. A 信息明示题。文章开头就指出，淘金热始于1848年，故选A。

　　33. D 信息明示题。文章提到Within a year, 100,000 people...had reached the coast of California，故选D。

　　34. B 综合推断题。文章提到More than half of them had traveled overland across the American continent，由此可以推断，来淘金的人来自美国各地，故选B。

　　35. C 信息明示题。文章提到...it was a risky business. Law and order broke down...由此可知，淘金危险是因为它不受法律和秩序的保护，故选C。

　　Section C

　　36. financial 37. earn 38. various 39. pilot

　　40. outbreak 41. Confederate 42. company 43. prospected

　　44. Once that happened Twain traveled around the country giving lectures and earning enough money to go to Europe.

　　45. Twain didn't travel much the last 10 years of his life and he didn't publish much either.

　　46. Like many other popular writers Twain derived much of the materials for his writing from the wealth and diversity of his own personal experiences.

Part IV Reading Comprehension (Reading in Depth)