Monday is his ________ day in a week.
A:busy
B:busier
C:busiest
D:the busiest
宇航员在探测某星球时,发现该星球均匀带电,且电性为负,电量为Q,表面无大气。在一次实验中,宇航员将一带负电q(且q<<Q)的粉尘置于离该星球表面h高处,该粉尘恰处于悬浮状态;宇航员又将此粉尘带到距该星球表面2h处,无初速释放,则此带电粉尘将( )
《史记•货殖列传》载:“《周书》曰:‘农不出则乏其食,工不出则乏其事,商不出则三宝绝,……’财匮少则山泽不辟矣。此四者,民所衣食之源也。”司马迁认为
_____a dog. We don't know_____ name.
When you are more than ______ you can be a worker in factories.