( SHOULD ) BE CANCELLEDQUESTION 3

7. ( should ) be cancelled

Question 3 : ( 20 points )

1 B 2 B 3 C 4 A 5 C 6 B 7B 8 C 9B 10 C

11A 12 B 13 A 14 A 15 B 16 A 17 B 18 A 19 D 20 C

Question 4 : ( 10 points )