“作者为什么说‘雨是城市的守护神’？” (Why does the author say the rain is the guardian of the city?) Student’s literal answer: Because rain waters the plants. Answer Key’s model answer: Because metaphorically, rain washes away the dust and anxiety of urban life, giving the city a fresh start. (Because the author uses personification to highlight cleansing and renewal).
Disclaimer: Always ensure you own a licensed copy of the workbook. Most publishers provide official answer keys only to teachers. However, here are legal ways to access them. Sec 1 Higher Chinese Workbook Answers