如图所示,是用直尺和圆规作一个角等于已知角的示意图,则说明∠A′O′B′=∠AOB的依据是( )
A:SAS
B:SSS
C:AAS
D:ASA
下列事例中,属于用做功的方法改变物体内能的是( )
(1) She bought a ____ (bath) suit last Sunday.(2)I like doing some ____ (shop) at weekends.(3)She hasn't ____ (feed) the cat yet.(4)There are about ten ____ (well) in that village.(5)Has the camera been____ (pack) yet?