A:开普勒在第谷的行星观测数据基础上发现了行星的运动规律
B:牛顿发现了万有引力定律并给出了万有引力常量的数值
C:卡文迪许首次在实验室里测出了万有引力常量
D:海王星的发现是万有引力理论的成就之一
有学者认为,18世纪中后期的西方“选择了海洋”,中国“选择了陆地”。“选择了陆地”是指中国
____
I see some English _______ in the classroom.
如图,某几何体的正视图、侧视图和俯视图分别是等边三角形、等腰三角形和菱形,则该几何体的体积为( )
(____) No, I don't like winter.
(____) Which season do you like best, Lily?
(____) Winter. I can play with snow.
(____) So I like autumn best. It's always sunny and cool.
(____) What about you? Do you like winter, too?
(____) It's too cold.