【单选题】以下数据结构中,是非线性数据结构的是( )
【简答题】英汉互译。 1. play the piano ___________ 4. many people ___________ 2. 打开 ___________ 5. 看电影 ___________ 3. 6次 ___________ 6. at the restaurant ___________
【简答题】Why did many people move to the cities? Many people moved to the cities to______.
【单选题】以下数据结构中,下列是非线性数据结构的是: