2. 外语
  3. A. ambiguous B. anticipation C. diverse D. encourages E. enroll F. glooms G. impossible H. introduction I.

A. ambiguous B. anticipation C. diverse D. encourages E. enroll F. glooms G. impossible H. introduction I.

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问题    A. ambiguous    B. anticipation   C. diverse    D. encourages   E. enroll
   F. glooms      G. impossible   H. introduction  I. loses     J. maintaining
   K. measuring     L. precision    M. reasonable   N. register    O. summit
   All of the technological advances that have increased the quality of music have not changed the fundamental impact of recorded music. Electronic engineering furnishes products which are replaced so quickly. It is easy to forget the importance they held at the time of their 【C1】______. Before the advent of digital equipment, there were a whole array of mechanisms designed to record sound, from the original hand-cranked gramophones, through the electric phonographs, the stereo record albums, to the cassette tapes. There are two directions for these developments: the 【C2】______ of recording, and the mobility of the equipment. Digital sound engineering is the 【C3】______ of industrial efforts. It can 【C4】______ the musical sources to the minutest detail and send reproduced sounds through portable players.
   With the continuous wave of new sound facilities, entertainment has changed its form. Before the introduction of mechanical reproduction, it was almost 【C5】______ to imagine having an entire symphony, performed in a court setting, within a house of small size. More than classical music, a single household can host a dozen different bands of 【C6】______ styles. The delivery of music through the electronic medium now claims high fidelity and 【C7】______ the prospect of creating a virtual reality. The boundary between reality and representation thus 【C8】______ its clear-cut definition; listeners have great difficulty in deciding which is better, the live source, or the reproduced acoustics (音响效果).
   Although the distinction between fiction and reality is becoming more and more 【C9】______, lifelikeness remains the principle criterion in 【C10】______ the effectiveness of sound since the invention of the gramophone.
【C10】
选项
答案K
解析 空格前介词in和空格后名词短语the effectiveness．．．提示，空格填入动名词。词库中measuring“测量，衡量”和maintaining“维持，保持”可作为备选。根据the principle criterion“主要标准”可知，measuring符合语义，故选K。maintaining代入句子，句意不通，可排除。
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