By describing the harsh environment of the frontier fortress, this poem shows the spirit of serving the country and the ambition to make contributions. The first couplet describes the remoteness of the wheel platform, the harsh environment of the wheel platform in parallel, the dilapidated situation of the houses in the wind and rain in the neck couplet, and the vastness of the wheel platform and the absence of war at the border in the tail couplet. The question (1) examines the characteristics of the landscape. Answering scene features is mainly to understand the characteristics of objects (or images). For example, the "wild goose" described in the poem reflects homesickness and harsh environment. "Don't smell cicadas in summer" shows the remoteness of the terrain and the harsh environment. Question (2) Examine the expressive skills of poetry. To answer the expressive skills of poetry, we can start from three aspects: first, analyze the expressive ways (narrative, description, discussion and lyricism), pay attention to the relationship between scenes, such as static and dynamic, virtual and real, sadness and music, intonation, and analyze the relationship between description and lyricism, discussion and lyricism; The second is the analysis of writing techniques, such as bedding, comparison and contrast. The third is the analysis of rhetorical devices. When answering questions, you can always write first, then write separately, combined with specific poems.