Can you imagine a person ___________ in the institutional revolution for doing nothing wrong? ( )
A:putting into prison
B:to stay in the prison
C:being put into prison
D:to put into prison
如图所示,汽车向前行驶时突然紧急刹车,下列说法正确的是()
没 mò____ méi____
倒 dǎo____ dào____
行 xínɡ____ hánɡ____
如图,AB是⊙O的直径,C,P是AB∧上两点,AB=13,AC=5.
(1)如图(1),若点P是AB∧的中点,求PA的长;
(2)如图(2),若点P是BC∧的中点,求PA的长.
关于我国人口和民族的说法,正确的是( )