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【简答题】
已知一棵树的边的集合为{ , , , , , , , , , , , , },请画出这棵树。 1、哪个是根结点? 2、哪些是叶子结点? 3、哪个是结点G的双亲? 4、哪些是结点G的祖先? 5、哪些是结点G的孩子? 6、哪些是结点E的子 7、哪些是结点E的兄弟?哪些是结点F的兄弟? 8、结点B和N的层次号是什么? 9、树的深度是多少? 10、以结点C为根的子树的深度是多少?
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正确
B.
错误
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A.
企业
B.
个人
C.
政府
D.
国家或独立的行政区域
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通水
B.
渗漏
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淋水、蓄水
D.
找平
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A.
开口过大或过小
B.
开闭口运动出现关节绞锁
C.
开口型偏斜
D.
开口困难或牙关紧闭,暗示疗法可减轻
E.
开口型歪曲
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正确
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正确
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【单选题】Which sentence has the same rhythmic pattern as “He started to talk to me.”?
A.
I’d like to enjoy a glass of wine.
B.
She wanted to write to him.
C.
I saw him standing all alone.
D.
I’ve told him not to come again.
【判断题】He started to write a book in order to show the seriousness of the food waste problem.
A.
正确
B.
错误
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