____ ____PE teacher____basketball？

    Jack and Anna are good friends. They are Chinese. Jack likes sports very much. He can play volleyball , basketball and football . Anna likes music very much . She can't play ball games. But they both like playing on computers . They like eggs , bread and milk for breakfast . For lunch , Anna likes eating vegetables and fruit , but Jack likes chicken and fish . They both like hamburgers .But they don't like ice cream or rice.

公民行使监督权，实行民主监督的合法渠道有（    ）

①信访举报制度  ②人大代表联系群众制度  ③舆论监督制度  ④专家咨询制度