题目内容
环是指一条边的两个端点相同。
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连通图是指网络图中任意两点之间至少有一条通路将它们连接起来。
在点集合相同的所有图中，树是含边数最少的连通图。
该题为判断题，因平台问题无法设置对错选项，只能出成填空题，请根据课文判断下面句子是否正确。填入F 或者T。（F for false, T for true）1.This was not the first time that John Koshak’s home was demolished by hurricane.2.The children suffered no psychological damage from Hurricane Camille.3.The story“Face to Face with Hurricane Camille” focuses mainly on the characters in it.4. It is Grandfather Koshak who reflected that human lives are more important than material possessions.5.The sentence“We can batten down and ride it out ”uses the rhetorical device of personification.
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