Miss Li is ______ Chinese teacher. She teaches Chinese .
A:our; us
B:our; our
C:we; us
D:we; our
如图所示,电压U保持不变,当开关断开时,R1消耗的电功率为P1,当开关闭合时R1消耗的电功率P2,则( )
已知tanβ=sin39°19′+cos80°10′,则锐角β≈____ (结果精确到1′).
The rich often ______ the poor in our village.
程朱理学认为,“人欲”是超出维持人之生命的欲求和违背礼仪规范的行为,与“天理”对立;并进而提出“存天理,灭人欲”。如此看来,“存天理,灭人欲” ( )