多项选择题

1．【答案】AB

2．【答案】ABCDE

3．【答案】ABCD

4．【答案】ABCD

5．【答案】ABCDE

6．【答案】CDE

7．【答案】BCDE

8．【答案】ABCD

9．【答案】ABC

10．【答案】ABE