2. 职称英语
  3. As was estimated in 1997, .total telephone sets now in use in the United Stated

As was estimated in 1997, .total telephone sets now in use in the United Stated

游客2023-09-07  59
问题 As was estimated in 1997, .total telephone sets now in use in the United Stated numbered 170 millions. With so many sets______ into a system, efficiency is a major concern.
选项 A、compiled
B、knitted
C、integrated
D、elapsed
答案 C
解析 题意是：如1997年所估计的那样，目前美国使用的电话机总数为1.7亿部。如此多的机子______一个系统，效率是主要担心的问题。[C] integrated“使并人”，integrate... into... “将…并入…”，符合题意。[A] compiled“编辑，收集”， [B] knitted“编，织”，[D] elapsed“消逝”都与题意不符。
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