【单选题】He maintained that the opinion was wrong.
【单选题】Taiwan—born film-- maker Ang Lee won the Oscar for best Director at the 78 th Academy Awards, _______ the highest honour in American movie fields.
【单选题】平整场地是指厚度在( )mm以内的就地挖填找平.
【简答题】是一个或多个属性的集合,且这些属性的集合在一实体集中能够唯一标识一个实体。 若一超码的任意真子集都不能成为超码,则称该最小超码为 。 是被数据库设计者主观选中、用来区分同一实体集中不同实体的候选码。
【简答题】混凝土简支T梁,计算跨径24.3m,跨中截面尺寸如图2-13-2所示,承受结构自重弯矩M GK =1233.9kN·m,汽车荷载产生的弯矩M Q1K =836.7kN·m。采用C40混凝土,配置非预应力钢筋6根直径为25mm的HRB335级钢筋,A s =2945mm 2 ,a s =53.7mm;配置预应力钢筋为4束18 5的钢丝,A p =1413.36mm 2 ,a p =137.5mm。为...
【简答题】__________是用来唯一标识实体的属性。
【单选题】Mr. White, with his family, _______Taiwan by plane which_______ at 8:30 next morning according to the timetable.
A.
is leaving for; leaves
B.
is leaving for; will leave
C.
are leaving for; leaves
D.
will leave for; will leave
【单选题】下列选项中,()不属于我国社会主义法的正式意义上的渊源。
【多选题】TEID是用来唯一标识一个隧道的端点,对应的是一个UE或者一个UE的会话,用在哪些实体之间()。