1.A. Prose

B. One

C. Description

D. Discussion 2. Connect the previous and the following in structure ( The function of transition); in terms of content, it inherits the freshest taste in life and the taste of hometown mentioned above, and at the same time opens up the memories of hometown food below. 3. When you miss your family and stay home, you will often think of the bowl of rice and the table of food at home, and the nostalgia will brew on the tip of your tongue. (Missing family; homesickness and homesickness are also acceptable) 4. The first "good taste" refers to: the relationship between blood relatives, mother's hard work, longing for relatives and hometown and other life insights; the second "good taste" "Refers to: delicious food (delicious food created by mother). 5. (1) Set up suspense and stimulate readers' interest in reading. (2) Explain the content of the article (clues). The full text uses "taste on the tip of the tongue" as the starting point to organize the material, cleverly revealing the relationship between delicious food and nostalgia. (3) Clarify the main purpose of the article. The full text expresses the longing for relatives and hometown through the description of the delicious food on the tip of the tongue.