【单选题】下列不属于星型网络结构特点的是( )
A.
存在一个核心结点,该结点发生故障会引起整个网络故障
B.
存在一个主干线路,该线路发生故障会引起整个网络故障
【单选题】The professor, ______ as a splendid speaker, was warmly received by the students.
【单选题】关于 DNA 双螺旋结构的主要特点中,错误的是
C.
腺嘌呤和尿嘧啶、鸟嘌呤和胞嘧啶配对排列在内侧
【单选题】下列哪一部电影是中国电影史上第一部国产长故事片?
【单选题】某个体商店系小规模纳税人,本月购货6000元,销货8240元,则其本月应纳增值税额为( )元。
【单选题】The speaker, ______ for her splendid speeches, was warmly received by the audience.
【单选题】There is no _________ that the Chinese people will present to the world a successful, splendid and unforgettable exposition(博览会).
【单选题】星型结构网络的特点是( )。
A.
所有结点均通过独立的线路连接到一个中心交汇结点上