【判断题】商代甲骨文的自然数是十进位制,先秦的八卦学说是二进位制。( )
【多选题】下列对中国古代数学的描述中,正确的是( )。
A.
中国数学的萌芽期可追溯至4000多年前,战国时期已经有了“圆、方、平、直”等形状的概念
D.
西周贵族子弟要求学习“六艺”,其中就有“数”
E.
战国时期,九九乘法口诀开始成为士人的普遍知识,有了分数的概念
【单选题】The son wanted to take less money______put his parents to the trouble of fetching more.
【简答题】下列图形中,是中心对称图形但不是轴对称图形的是
【单选题】随着能源危机的出现,人们对设计中的过度商业化提出了批评,注重设计( )的呼声日高。
【多选题】陈嘉庚强调学校教育质量的优劣取决于( )和( )的水平
【单选题】计算机具有存储程序控制的功能,所以计算机能够( )
【简答题】阅读理解。 Ben's grandpa would retire after working for thirty-five years. Ben's parents were going to have a surprise party for him. Ben loved his granda and wanted to do something special for him. He rem...
【简答题】下面的图形中,既是轴对称图形又是中心对称图形的是( )
【简答题】Listen to the recording of the text and decide whether the statements are true(T)or false(F). _____1. In the story, Jesse seemed to be living separately from his parents and his house seemed to be fur...