2. 外语
  3. Fiber-optic cables can carry hundreds of telephone conversations______.

Fiber-optic cables can carry hundreds of telephone conversations______.

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问题 Fiber-optic cables can carry hundreds of telephone conversations______.
选项 A、simultaneously
B、spontaneously
C、homogeneously
D、contemporarily
答案A
解析 副词词义辨析题。题意：“光缆可以同时支持成百上千次通话。”A，simultaneously：同时地，同步地。B spontaneously：自然地，自发地。C homogeneously：同类地。D contemporarily：当代地，同时代地。
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