2. 外语
  3. He has some electronic equipment originally intended for the language laboratory, which ______ the sound quality.

He has some electronic equipment originally intended for the language laboratory, which ______ the sound quality.

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问题 He has some electronic equipment originally intended for the language laboratory, which ______ the sound quality.
选项 A、magnifies
B、strengthens
C、enhances
D、enlarges
答案C
解析 语义连贯题。提高声音的质量用enhance，答案选[C]。enhance指使有价值的、美的东西更有价值、更美。[B]strengthen指使人力气更大或使事物更强大； [A]magnifies“放大”；[D]enlarges“扩大”。
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