单选题：One disadvantage of using robots is that they consume_______

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One disadvantage of using robots is that they consume__________ A．too much energy
B．based on American designs
C．they are too costly
D．they are not reliable
E．quality control
F．free of charge

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By advocating moderate change, they think that they can kee

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The editor considered the author's analysis in his article

The editor considered the author's analysis in his article to be penetrating.A．

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When faced with doubts from some advisers on the attempted

When faced with doubts from some advisers on the attempted invasion, Kennedy ig

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实施教育行政处罚的机关，除法律、法规另有规定的外，必须是（　　）。

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