【单选题】When the truth of sentence (a) guarantees the truth of sentence (b), and the falsity of sentence (b) guarantees the falsity of sentence (a), we can say that _____.
A.
sentence (a) entails sentence (b)
B.
sentence (a) presupposes sentence (b)
C.
sentence (a) is inconsistent with sentence (b)
D.
sentence (a) contradicts sentence (b)
【单选题】钳工常用锤子的锤体用碳素工具钢制成 , 并经淬硬处理 , 其规格用锤体 ____ 表示。
【单选题】Which sentence is the concluding sentence?
【单选题】When the truth of sentence (a) guarantees the truth of sentence (b), and the falsity of sentence (b) guarantees the falsity of sentence (a), we can say that
A.
sentence (a) presupposes sentence (b)
B.
sentence (a) entails sentence (b)
C.
sentence (a) is inconsistent with sentence (b)
D.
sentence (a) contradicts sentence (b)
【单选题】钳工常用锤子的锤体用碳素工具钢制成,并经淬硬处理,其规格用锤体____表示。
【判断题】不同杆菌的大小、长短、弯度及粗细差异不大。