2. 外语
  3. The telephone system is no longer operative.

The telephone system is no longer operative.

admin2009-06-15  32
问题 The telephone system is no longer operative.
选项 A、running
B、moving
C、rotating
D、working
答案D
解析 operative：运作的。work：运作的。We have many radars operative. 我们有许多雷达在运转着。The old theory doesn’t work. 旧的理论已经不灵了。run：经营。She runs a small shop. 她经营着一个小店。move：移动。The earth moves round the sun. 地球绕着太阳转。rotate：转。The earth rotates round the sun．地球绕着太阳转。
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