题干
Sanya is ____ in winter. It's ____ than many other cities in China. (warm)
答案(点此获取答案解析）
warm,warmer
Sanya is ____ in winter. It's ____ than many other cities in China. (warm)
射线、红外线、紫外线、无线电波等，按波长由长到短的排列顺序是（ ）
