2. 外语
  3. Which of the following best describes the relationship of the first paragraph to the passage as a whole? Which of the following

Which of the following best describes the relationship of the first paragraph to the passage as a whole? Which of the following

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问题 Which of the following best describes the relationship of the first paragraph to the passage as a whole?
Which of the following can be inferred from the passage about the digital approach to the processing of sound?
选项 A、It was developed in competition with wax-cyclinder recording technology.
B、It has resulted in the first distortion-free playback system.
C、It has been extensively applied to nonmusical sounds.
D、It cannot yet process music originally recorded on analog equipment.
E、It is not yet capalbe of reprocessing old recordings in a completely distortion-free manner.
答案E
解析 To answer this question, you must use information contained in the passage to draw an inference about the digital approach to sound processing. Choice E is the best answer. The passage notes that it is impossible for digital systems to avoid some distortion, so it may be inferred that it is not possible to digitally reprocess old recordings without at least some measure of distortion. Choice A is not correct because the wax-cylinder process is characterized as “ancient” (line 7), while digital recording is called “new and superior” (line 90. The wax-cylinder recording mentioned in line 3 is described a “decades-old.” The suggestion thus is that the two processes were developed at different times, not that they were developed in competition with each other. Both choices B and D contradict information presented in the passage: it is stated that it is impossible for digital recordings to avoid distortion completely (lines 29-32), and an example is provided in the first paragraph of an analog recording being digitally reprocessed. While the statement in choice C could be true without contradicting any furnish enough information to justify such an inference.
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