You will find _______ to use the computer. Even the old can learn it all by themselves.
A:that easily
B:it easily
C:it easy
D:it was easy
日本国土由四大岛屿组成,其中最大的是( )
如图,矩形ABCD中,AB=3,BC=5.过对角线交点O作OE⊥AC交AD于E,则AE的长是( ).
如图,直线a∥b,∠1=125°,则∠2的度数为____°.