【单选题】设数据元素的集合D={ 1,2,3,4,5 },则满足下列关系R的数据结构中为线性结构的是
A.
R={ (1,2), (2,3), (4,5) }
B.
R={ (1,2), (3,4), (5,1) }
C.
R={ (1,3), (2,4), (3,5) }
D.
R={ (1,3), (4,1), (3,2), (5,4) }
【简答题】句型转换。 1. Lily often does some reading in the morning. (改为否定句) Lily _______ often _______ some reading in the morning. 2. Sometimes I go to the cinema with Nick on Saturday. (就画线部分提问) _______ _______ _...
【单选题】由于地面摩擦力的影响,实际风向与地转风向有偏角,在海上偏角约为:
【单选题】苏东坡在《文与可画墨竹屏风赞》中说:“与可之文,其德之糟粕。与可之诗,其文之毫末。诗不能尽溢,而为书,变而为画,......”这反映出 ( )。
【单选题】由于地面摩擦力的影响,实际风向与地转风向有偏角,在陆地上偏角约为:
【单选题】Lily often helps her sister ____her homework.
【单选题】由于地面摩擦力的影响,实际风向与地转风向有偏角,在陆地上偏角约为:
【单选题】Lily often _____ shopping with her mother at weekends. [ ]
【单选题】设数据元素的集合D={1,2,3,4,5},则满足下列关系R的数据结构中为线性结构的是:
A.
R={(1,2),(2,4),(4,5),(2,3)}
B.
R={(1,3),(4,1),(3,2),(5,4)}
C.
R={(1,2),(3,2),(5,1),(4,5)}
D.
R={(1,3),(2,4),(3,5),(1,2)}