把下面的病句改一改。   
1．星期天，我们带上面包、鸡蛋、炊具等食品去郊游。
                                                                                                                                                             
2．讨论会时，小刚首先第一个发言。 
                                                                                                                                                            
3．今天是六一儿童节，同学们穿戴的都是新衣服。