[作文题]材料:一位外国心理学家,为了对人与人相处进行探究,亲自实践:在准备好充足的食物与生活用品之后,独自一人在离地面2000多米高的山洞里居住一年。一年后,这位心理学家重返地面,他面色苍白,体重剧减几十斤,甚至连说话也很困难。面对众多记者,他只说了一句话:“生活的美好 [Article] Materials: A foreign psychologist, in order to get along with people to explore, personally practice: After preparing enough food and daily necessities, alone in a cave more than 2,000 meters above the ground for a year . A year later, the psychologist returned to the ground. He was pale, he lost a few pounds of weight, and even talking was difficult. In the face of numerous reporters, he only said one sentence: "The beauty of life