小题1:D
小题2:B
小题3:B
小题4:A
文章大意：这是一篇说明文，介绍了作者的爱好就是记录下自己的经历，但作者后来感受到记录经历，不如享受现在。
小题1:根据文章的意思，特别是第一段最后两句： but I gained a certain satisfaction from seeing my experiences forever recorded on paper. After all, isn’t accumulating memories a way of preserving the past?关键词：a way of preserving the past“保护过去的一种方法。”
小题2:根据文章第二段的描述：The sky was clear and lit by the glare of the moon, and the walls of the valley looked threatening behind their screen of shadows. 可知，这样的景色太美了。
小题3:根据文章第四段第一句：Now, I only write in my diary when I need to write down a special thought or feeling.关键词： a special thought or feeling.。
小题4:根据文章的意思，特别是第四段最后一句：I realize that life will simply pass me by if I stay behind the camera, busy preserving the present so as to live it in the future.关键词：preserving the present so as to live it in the future.就保护现在，才能活在未来里。