I don't know what you mean by one to one. If it means single shot, choose A, if not, choose B.

3, non (P/Q) is equivalent to non-p, non-q, choose C.

4, choose B P false Q false is true.

5, only when P is true and Q is false, P->; Q is false, choose C.

6, x and y are constraints, and z is free.

7. A is false, B is not a proposition, C is false, and D is chosen.

8. choose the concept of B.

9. choose a and do it according to the definition.

10, x is constrained in f and free in g.

1 1, I'm not sure about this.

12 D Write all the relationships that satisfy the condition of d.

13, c is the same as the ninth question.

14，D

15，B

16, b finally becomes (p/q)->; Q

Ps: Errors are inevitable and are for reference only.