2. A: (1) Tagore's Paper Boat represents a lonely child's longing for understanding and fantastic hope.
(2) Bing Xin's paper boat represents the poet's love for his mother and his sadness caused by being far away from his mother.
3. Answer: (1) The writing features of Tagore's Paper Boat are: rich imagination, concise and colorful sentences and structures.
(2) The writing characteristics of Bing Xin's Paper Boat: This poem is novel in conception, and the poet expresses his feelings by holding objects, so the expression of feelings is vivid, concrete, implicit and profound.