120 120
________ ________ ________
( 16 42 .110 3 1116 2
)
1 ( )
A
B
C
D
2 2017
( )
A B
C D
3 10
4 4 ( )
A B
C D
4 ( )
A
B
C
D
5 PQ 2016
( )
AP Q BQ P
CP Q D
5 6
6
( )
A25% B30%C35% D40%
7 ( )
A
B
C
D
8 25mm
