1．【答案】A

2．【答案】D

3．【答案】A

4．【答案】A

5．【答案】B

6．【答案】B

7．【答案】B

8．【答案】A

9．【答案】C

10．【答案】D

11．【答案】B

12．【答案】A

13．【答案】D

14．【答案】A

15．【答案】B

16．【答案】C

17．【答案】A

18．【答案】C

19．【答案】B

20．【答案】B

21．【答案】C

22．【答案】C

23．【答案】D

24．【答案】C

25．【答案】A

26．【答案】D

27．【答案】D

28．【答案】A

29．【答案】B

30．【答案】B

31．【答案】B

32．【答案】B

33．【答案】D

34．【答案】C

35．【答案】D

36．【答案】A

37．【答案】B

38．【答案】D

39．【答案】B

40．【答案】D