题目
XLMC0202501 Topic 8 Quiz
多重下拉选择题
Consider the following tree: Node 5 is a [ Select ] ancestor parent sibling child of node 3. Node 9 is an [ Select ] leaf internal node. Node 8 is a [ Select ] sibling child ancestor descendent parent of node 1. Node 3 is the [ Select ] child descendent sibling parent of node 8. Node 8 is a [ Select ] leaf internal node. Node 10 is a [ Select ] ancestor sibling descendent parent child of node 2. Node 1 is an [ Select ] ancestor child sibling descendent parent of node 6. The relationship beween nodes 10 and 9 is [ Select ] siblings parent-child they are unrelated . Node 9 is at level [ Select ] 3 0 2 1 of the tree. The height of this tree is [ Select ] 5 3 4 2 .
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标准答案
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思路分析
We are given a binary tree diagram and a sequence of dropdowns to fill. I’ll go through each blank in order, evaluate the relationship, and discuss why each provided option is correct or incorrect.
1) Node 5 is a [Select] of node 3.
- Correct relationship: Node 5 is a direct child of node 3 (3 has children 8 and 5). Therefore, Node 5 is not an ancestor of 3; it is a child of 3.
- Provided option: ancestor. This is incorrect because being an ancestor would mean 5 lies on the path above 3, which it does not.
- Most accurate available option among the typical choices in this context: child (4th option). The statement should describe 5 as a child of 3.
2) Node 9 is an [Select] leaf.
- Correct relationship: Node 9 ......Login to view full explanation登录即可查看完整答案
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Consider the following tree: Node 5 is a [ Select ] ancestor sibling child parent of node 3. Node 9 is an [ Select ] leaf internal node. Node 8 is a [ Select ] ancestor sibling descendent child parent of node 1. Node 3 is the [ Select ] descendent sibling child parent of node 8. Node 8 is a [ Select ] leaf internal node. Node 10 is a [ Select ] ancestor parent descendent sibling child of node 2. Node 1 is an [ Select ] child ancestor descendent sibling parent of node 6. The relationship beween nodes 10 and 9 is [ Select ] parent-child siblings they are unrelated . Node 9 is at level [ Select ] 1 2 0 3 of the tree. The height of this tree is [ Select ] 4 3 5 2 .
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