【判断题】平面上到两定点的距离之和为定值的点的轨迹是椭圆。
【判断题】设计调查问卷的问题要尽详细 ,概念要明确,不要使用模糊的语句。
【多选题】在投标报价的前期工作中,需对招标文件的合同进行分析,其中合同条款分析包括( )。
【多选题】Regarding the tea culture, which of the following statements about Luyu (陆羽) are correct?
A.
He was respected as “Tea sage” for his contribution to Chinese tea culture.
B.
He was born in the Tang dynasty.
C.
He finally finished his masterpiece --The Classic of Tea (《茶经》).
D.
He was honored as “Medicine Buddha”