在一个三角形中,已知AB=AC=6cm,BC=8cm,D是BC的中点,以D为圆心作一个半径为5cm的圆,则下列说法正确的是( )
A:点A在⊙D外
B:点B在⊙D上
C:点C在⊙D内
D:无法确定
下列关于进入青春期应做到的事项中,错误的是( )
Tom _________ Mary in 1998. That is to say, they _________ for 12 years.
I saw him a large box in his hands and enter the room.