Write a line of code that declares a variable named layout of type LayoutManager and initializes it with a new object， which when used with a container can lay out components in a rectangular grid of equal-sized rectangles， 3 components wide and 2 components high.（）
屈原根据战国时期楚地民间祭神乐歌加工而成的组诗是（）。 ["《离骚》","《天问》","《九歌》","《九章》"]
盛唐时期曾经出现过一个擅长描绘边塞风光，军旅生活的诗派，被称为“边塞诗派”，其代表人物中没有（） ["高适","岑参","王昌龄","孟浩然"]
铸铁的冷焊法长产生的缺点有（）。 ["金属组织细化","裂纹","气孔","砂眼","白口铁","操作技术要求较高"]
儿童美术欣赏课的基本方法是（）。 ["对话","讲述","临摹"]
光顺
