1. 阅读下面诗歌，回答小题。

心弦

绿蒂

                                                                                             夕阳，在风中缓缓地冷却

                                                                                             落叶，萧萧地点缀出

                                                                                             大地在喧哗中的孤寂

                                                                                             夜是冷冷的手

                                                                                             轻轻拨动起回忆的弦

                                                                                             乡愁是飘忽的风

                                                                                             密实的窗也挡不住

                                                                                             他信手翻开

                                                                                             那一页，都是梦牵魂系

                                                                                             那一页，俱是年少情怀

                                                                                             不必推窗去找月色

                                                                                             到室外就是他乡

                                                                                             不妨守住这盏小灯

                                                                                             让微亮的光

                                                                                             温暖了缓缓流过我心的清泪

1. （1） 诗中画线句子运用了什么修辞手法？有何表达效果？

3. （2） 诗歌中加横线的两个“风”字的含义一样吗？请具体说明。

5. （3） 概括诗歌第二小节的大意。

7. （4） 诗歌第三节中夜间的“小灯”有何作用？