【单选题】如果关系R中有4个属性和3个元组,关系S中有3个属性和5个元组,则R×S的属性个数和元组个数分别是 ______。
【单选题】在unity中,RigidBody组件的 “Use Gravity”属性的作用是( )。
【单选题】刚体(Rigidbody)中可以使对象下坠的是哪个属性
【判断题】Rigidbody中Use Gravity属性表示物体是否受重力影响,该属性无法配置影响的大小。
【单选题】在扫描线填充算法中,当扫描线与多边形顶点相交且共享顶点的两条边在扫描线的上方时,这时交点数应取()
【单选题】According to the speaker, what gives modem log homes their warm atmosphere?
B.
Their rustic dirt floors.
C.
Their walls of rounded logs.
D.
Their sliding board windows.
【单选题】According to the speaker, what gives modern log homes their warm atmosphere?
B.
Their rustic dirt floors.
C.
Their walls made up of rounded logs.
D.
Their sliding board windows.
【简答题】CharacterController和Rigidbody的区别
【单选题】At midnight they reached ________ small village, east of _______ Ever White Mountain.
【简答题】CharacterController和Rigidbody的区别是什么?