Human life lasts only a short time, but art and culture last forever. It is our attitude 【小题1】 the best of human history that makes 【小题2】 difference. Masterpieces, such as the Great Wall, one of 【小题3】(creative) wonders of human enterprise, provide a strong symbol of the past from 【小题4】 we can reflect on the present and future. By studying and protecting them, we will become aware of history and gain 【小题5】(variety) of cultural knowledge.