依次填入下列各句横线处的成语，最恰当的一组是（    ）

①《平凡的世界》这部小说以陕北黄土高原为背景，反映了从“文革”后期到改革初期广阔的社会面貌。时至今日，很多60后对那段不平凡的岁月还________。

②一首《锦瑟》，实为义山一生的写照，他的一生如镜花水月，映入历史。他的深情、执著、聪慧以及给后人留下的宝贵精神财富始终令人________，回味绵长。

③每一次返校的清晨，母亲总是为我收拾行李，为我准备早餐，送我到车站。现在想来还________，眼睛不自觉地总是湿湿的。

阅读理解

    It is Sunday today. It is my grandma's birthday. Father, mother and I go to visit her.

    She lives with my uncle. In the morning we buy a birthday cake and some fruits and go to her house at ten o'clock.

    We spend about half an hour getting there. My grandma and uncle are very glad to see us. We give the presents to grandma and say“Happ y birthday to you! ”She is very happy. Then we sit down to talk. My uncle can cook.

    The meal is very nice. We all like it very much. After lunch, I play with my uncle. At four o'clock, we say goodbye and go home.

华山国际学友会在美国首都华盛顿(西五区)主持视频会议，请华山中学高中部的郑老师在演播厅给远在非洲(西一区至东三区)的同学介绍经验。下列时段中，对三方最合适的是：

以下关于旅游业对区域经济发展的影响的叙述，正确的是（     ）