Fiber-optic cables can carry hundreds of telephone conversations______.A、simulta

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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

解析常识告诉我们，光纤电缆能“同时”承担几百部电话的通话任务，simultaneously表示“同时地”，符合题意，A正确。spontaneously表示“自然地，本能地”；homogeneously表示“同类地，相似地”；contemporarily表示“同时代地”。

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