Compared with people lacking relationships, those who can name several intimate friends are_________________ (更健康、不容易早逝、更加快乐 ).
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My parents taught me not to take what ’s not mine. I ’ve always tried to_________________
在一棵高度为5的理想平衡树中,至少含有16个结点,最多含有()个结点。
A. 31
B. 32
C. 30
D. 33
I understand the two factors that contributed to my downfall: _________________ (缺乏 职业目标和缺乏自信 ).
关键路径是事件结点网络中()。
A. 从源点到汇点的最长路径
B. 从源点到汇点的最短路径
C. 最长回路
D. 最短回路