問題詳情
25.In which of the following does the (a)-sentence NOT entail the (b)-sentence?
(A) (a) X is a cat. (b) X is an animal.
(B) (a) X is a cat. (b) X is a quadruped.
(C) (a) All dogs are purple. (b) My dog is purple.
(D) (a) X is a cat. (b) X has four legs.
參考答案
答案：D
統計：A:1,B:0,C:1,D:2,E:0
難度：計算中