阅读下面这两首古诗，完成后面的题。
                                                                                                                            大林寺桃花    白居易
                                                                                                               人间四月芳菲尽，山寺桃花始盛开。

                                                                                                               长恨春归无觅处，不知转入此山来。
      【注】这首诗作于元和十二年（817）初夏，当时白居易贬在江州（今江西九江）司马任上。大林寺在庐山香炉峰顶。