A:雅典民主是少数人的民主
B:雅典人喜欢辩论不务实
C:雅典公民素质低下
D:雅典直接民主的局限性
现有由同种材料制成的A、B两金属球,其中一个是实心的,它们的质量分别为128g、60g,体积分别为16cm3、12cm3.实心球是 ____ (填“A”或“B”)球,它的密度为 ____ kg/m3.
上海经济的繁荣产生了____ 、____ 的辐射效应,促进了____ 地区的成长,带动着全国经济的发展。
Hello! My name is Peter. I am a student. I often have busy days. I ____ at 6:30 in the morning. I ____ at home. Then I ____ at 7:10. I____ at 7:30. I ____ at 11:45. In the afternoon, we ____ class. After school, I ____ with my friends. In the evening, I ____ or ____ . I____ at 9:00. This is my day.