If what parents say is not with what they do, it will have a bad effect on their childre

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A. contrary
(答案→)B. consistent
C. confident
D. considerate
解析：考查形容词：A. contrary相反的，B. consistent一致的，C. confident自信的，D. considerate考虑周到的，句意：如果父母说的和做的不一致，这对他们的孩子有坏的影响。选B。