单项选择题

求如下网络中的最小费用最大流的费用，其中弧旁数字为
A．56
B．90
C．87
D．73

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单项选择题
If someone is asked to recall a warm experience with her mother and then asked to fill l_v_ to make a word, she is more likely to write love rather than live. This is a phenomenon called…
A．Procedural memory
B．Dispositional memory
C．Semantic memory
D．Episodic memory
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