如图,AB为⊙O的直径,P是BA延长线上一点,PC切⊙O于点C,CG是⊙O的弦,CG⊥AB,垂足为D.
下列划线字注音正确的一项( )
-2的绝对值是( )
After working all day,he was so tired that he was in no______to go to the party with us.