一个有效三段论的结论是假的,则其大小前提可能是().
A.大前提或小前提假
B.至少有一假
C.都是真的
D.至少有一真
E.无法确定有无真假命题
参考答案:A, B
Directions:This section consists of three groups of pairs listed in two columns, A and B. You are to match the one marked 1), 2), 3) ,4) or 5) in Column A with the one marked a, b, c, d or e in Column B. One point is given to each pair you match. 1) ______ Jean Piaget 2) ______ M. A. K. Halliday 3) ______ J. Schumann 4) ______ Joseph H. Greenberg 5) ______ B.F. Skinner a) field, tenor and mode concept b) neo-behaviourism c) cognitive psychology d) the hypothesis of linguistic universals e) the acculturation theory
算法中,对需要执行的每一步操作,必须给出清楚、严格的规定.这属于算法的______。
A.正当性
B.可行性
C.确定性
D.有穷性