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参考答案：
选择题：简述造林树种选择的原则。
- 题目分类：园林绿化作业人员
- 题目类型：选择题
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简述合格苗木应具备的条件。
简述合格苗木应具备的条件。
千粒重主要反映种子的()。
千粒重主要反映种子的()。
Which statement is true concerning 6to4 tunneling?()
Which statement is true concerning 6to4 tunneling?()
典型的花由花萼、花冠、()、()。
典型的花由花萼、花冠、()、()。
Your Company has migrated to IPv6 in their network. Which three IPv6 notations represent the same address?()
Your Company has migrated to IPv6 in their network. Which three IPv6 notations represent the same address?()