It is said in the book that Thomas Edison (1847—1931)______the world leading inven- tor for sixty years. [A] would be [B] has been [C] had been [D] was
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参考答案:
举一反三
【简答题】根据马斯洛的需要层次理论( ) A 、需要的层次越高越不可缺少 B 、需要的层次越低越重要 C 、尊重的需要是最高层次的需要 D 、层次最高的需要最先需要