题目内容

由于焊接所引起的失效有哪几种类型?

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水平距/感情距=群众对你的态度,水平距大靠学习,感情距小主要靠利益共同性、感情相通性、需求互补性、目标一致性。()

The phrase "talking through his hat" (Last line in the last paragraph) most probably means

A. talking with the hat in hand.
B. talking in a showy way.
C. talking nonsense.
D. talking without hesitation.

商品“三包”规定中“三包”是包修、包换、包退。()

消费者向消费者权益保护委员会投诉的,消费者权益保护委员会应当自接到投诉之日起5个工作日内按照规定作出是否受理的决定。()

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