1．【答案】D

2．【答案】C

3．【答案】B

4．【答案】B

5．【答案】A

6．【答案】B

7．【答案】A

8．【答案】A

9．【答案】A

10．【答案】D

11．【答案】B

12．【答案】B

13．【答案】D

14．【答案】B

15．【答案】B

16．【答案】C

17．【答案】A