2. 职称英语
  3. Which of the following is TRUE according to Para. 1? [br] Which of the following

Which of the following is TRUE according to Para. 1? [br] Which of the following

游客2024-06-13  47
问题 Which of the following is TRUE according to Para. 1? [br] Which of the following, if presented as the first sentence of a succeeding paragraph, would most logically continue the discussion presented in the passage?
选项 A、Timekeeping in medical tomography must be precise because the changes in travel time caused by density fluctuations are slight.
B、To understand how ocean acoustic tomography works, it is necessary to know how sound travels in the ocean.
C、Ships are another possibility, but they would need to stop every 50 kilometers to lower measuring instruments.
D、These variations amount to only about 2 to 3 percent of the average speed of sound in water, which is about i 500 meters per second.
答案 B
解析 由题干if presented as the first sentence of a succeeding paragraph定位到第三段最后一句Their initial trials were highly successful，and ocean acoustic tomography was born.推断题。文章节选部分第三段最后一句指出，“海洋声音X线断层摄影术就诞生了”，顺理成章，下文应继续介绍这种技术的原理及具体应用．只有B)“要想了解海洋声音X线断层摄影术是如何工作的，就需要知道声音是如何在海洋中传播的”，介绍其工作原理，符合顺承文意的要求。[避错]A)“医学X线断层摄影术”、C)“轮船”和D)“在水中的声速”，均与原文意图不符，不会是接下来要讨论的内容。
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