阅读下面的诗歌，完成下列各题。
                                                                                                          湖 上
                                                                                                                     徐元杰
                                                                                   花开红树乱莺啼，草长平湖白鹭飞。
                                                                                   风日晴和人意好，夕阳箫鼓几船归。