— Would you like a glass of milk?
— ________. I'd like only a cup of tea.
A:Yes, please
B:No problem
C:No, thanks
D:Please don't give me milk
电场中某区域的电场线如图所示,A,B是电场中的两点.一个电荷量q=+4.0×10﹣8C的点电荷在A点所受电场力FA=2.0×10﹣4N,将该点电荷从A点移到B点,电场力做功W=8.0×10﹣7J.求:
人体绝大部分废物是以尿液的形式通过泌尿系统排出.形成尿液的器官是( )