【判断题】I/O模块通过内嵌的通信协议与DCU内部总线交换信息,这些信息都是通过访问某属性的参数名实现。
【判断题】数据独立性就是指数据库里数据与数据之间是相互独立的。 ( )
【单选题】6 John was irritated by the necessity for polite conversation.
【判断题】有效站台的长度是近期列车编组总长度与列车停站时的允许停车误差距离之和。
【单选题】The United States _____ war on Japan in 1941.
【单选题】What's the result of the French study?
A.
The harm of mobile phone radiation is life-threatening.
B.
Mobile phone radiation may affect one's normal way of thinking.
C.
Sleep disorders could result from mobile phone radiation.
D.
A protein called hsp27 is activated by mobile phone radiation.
【单选题】《诗经·卫风·竹竿》: “巧笑之瑳,佩玉之傩”表示女子佩玉 。
【单选题】______ swept through the swimmers as they caught sight of a huge shark approaching threateningly.