四级考试两篇经典阅读理解解析（二）
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| Passage 2 Astronaut Jim Voss has enjoyed many memorable moments in his career, including three space flights and one space space walk. But be recalls with special fondn ess a decidedly earthbound(为地球引力所束缚的) experience in the summer of 1980 when he participated in the NASA?ASEE Summer Faculty Fellowship Program. Voss, then a science teacher at West Point, was assigned to the Marshall Space Flight Center's propulsion lab in Alabama to analyze why a hydraulic fuel pump seal on the space shuttle was working so well when previous seals had failed. It was a s eemingly tiny problem among the vast complexities of running the space program. Yet it was important to NASA because any crack in the seal could have led to des tructive results for the astronauts who relied on them. ? 本文来自 B) Because it was very complex in running the space program. C) Because great care has to be taken of the hydraulic fuel pump sealing. D) Because any crack in the seals would cause disastrous results for the astro nauts. 37.The great significance of Voss's findings lies in . ?A) strengthening his determination to join in space flights ?B) furthering his understanding of NASA ?C) consolidating his astronaut status in NASA programs ?D) Both A and B ? 38. How many flights will Voss have finished if his four?month mission s tarting in July 2000 ends up successfully? ?A) Three. ?B) Two. ?C) Four. ?D) Five. ? 39. Which of the following is NOT TRUE according to what Voss said on the ASEE program? ?A) Fresh members from the academic world participate in the program. ?B) The program brings new outlooks to NASA space programs. ?C) It is important for the space scientists to exchange information and perspe ctives. ?D) American colleges and universities are a special property of NASA. 40. What does Voss want to stress in the last paragraph? ?A) The technological significance of the program. ?B) The educational significance of the program. ?C) The philosophical significance of the program. ?D) The historical significance of the program. 相关新闻>>最新推荐更多>>>
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