1．【答案】D

2．【答案】C

3．【答案】A

4．【答案】A

5．【答案】A

6．【答案】D

7．【答案】C

8．【答案】C

9．【答案】C

10．【答案】D

11．【答案】C

12．【答案】B

13．【答案】B

14．【答案】A

15．【答案】A

16．【答案】C

17．【答案】C

18．【答案】C

19．【答案】C

20．【答案】A

21．【答案】D

22．【答案】B

23．【答案】C

24．【答案】C

25．【答案】A

26．【答案】D

27．【答案】A

28．【答案】D

29．【答案】A

30．【答案】B