2. 职称英语
  3. Glass-fiber cables can carry hundreds of telephone conversations ______ .A、at le

Glass-fiber cables can carry hundreds of telephone conversations ______ .A、at le

游客2023-10-11  65
问题 Glass-fiber cables can carry hundreds of telephone conversations ______ .
选项 A、at length
B、at the moment
C、at the same time
D、at intervals
答案 C
解析 at length最后/at the moment此刻/at the same time同时/at intervals不时地。
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