【判断题】对角矩阵就是对角线上的元不全为零的方阵。
【单选题】What is a deductive argument?
A.
one in which the conclusion probably follows if we assume the premises are ture
B.
one in which true premises guarantee a ture conclusion
C.
one in which premises offer strong support for a conclusion, but one that is not a certainty.
【简答题】在查询条件的设置中,日期型常量要用两个英文的 号括起来。
【单选题】结构游戏始于( )岁左右,一般从简单的积木游戏开始,建造房子、桥、汽车等等。
【单选题】结构游戏始于( )左右,一般从简单的积木游戏开始建造房子、桥、汽车等等。
【单选题】What is a deductive argument?
A.
one in which premises offer strong support for a conclusion, but one that is not a certainty
B.
one in which the conclusion probably follows if we assume the premises are true
C.
one in which true premises guarantee a true conclusion
【单选题】A deductive argument
A.
tries to support the conclusion.
B.
proves or demonstrates the conclusion.