【单选题】
A: [填空], but is this the way to the library? B: Yes, it is.
【单选题】
A: How do you do? B: [填空]
【单选题】
A: [填空]? B: Do you have a doll?
①
What do you want to sell
【简答题】
[a, b, c](ab, bc, ca) = [填空].
【简答题】
若 (a, b) = 1,则(a, bc) = [填空].
【单选题】
19.Though she talks little, she has made _______ friends here.
【单选题】
There’s little chance that mankind would _____ a nuclear war.
【单选题】
_________ the teacher’s voice, the little girl became nervous.
【简答题】
设P(A)=0.4,B为A的对立事件,则P(B)=[填空]
【简答题】
设P(A)=0.4,B为A的对立事件,则P(B)=[填空]