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【单选题】
Every morning my father walks or runs _____an hour in the park.A.
in
B.
at
C.
for
D.
of
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举一反三
【单选题】Read the following sentences carefully and choose the one in which the underline word or phrase has the same meaning as in the sentence quoted from the passage.(仔细阅读以下句子,并选择划线单词或短语具有与从文章中引用的句子相同的含义的句子...
A.
I’d love to go to Australia but it’s such a long flight.
B.
We’ll be arriving back on Tuesday on Flight 147.
【简答题】根据中文提示，在空白处填入适当的单词。 1. Kate is showing her mother _____ (在……周围) her school. 2. _____ (星期三) comes after Tuesday. 3. I think our science lesson is _____ (无聊的), I don't like it at all. 4.The early bird _...
【简答题】已知带权连通图的邻接表表示如下图所示, 其中表结点的三个域的含义表示如下: (1)请画出该图; (2)从顶点1出发,分别以深度优先和广度优先遍历该图,并写出遍历序列; (3)从顶点1出发,用普里姆算法给出该图的最小生成树; (4)用克鲁斯卡尔算法给出该图的最小生成树。
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