恒温恒容,可逆反应N2O4(g) 2NO2(g)充入1molN2O4气体,反应达平衡状态。 若再充入1molN2O4气体,下列说法错误的是( ) A.NO2物质的量浓度减小 B.达新平衡后平衡体系压强比原平衡大 C.平衡正向移动 D.达新平衡后N2O4转化率降低 答案:A
This picture was taken a long time ago.I wonder if you can ________ my mother.
[ ]
A.
find out
B.
pick out
C.
look out
D.
speak out