The telephone system is no longer operative.

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问题 The telephone system is no longer operative.

选项 A、running
B、moving
C、rotating
D、working

答案D

解析本句意思：电话系统不再运作了。operative运作的。run奔跑，经营；move移动；rotate转动；work工作，运作。

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职称英语理工类C级

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