Multiple choice: 1 C 2 A 3 C 4 E 5 C 6 C 7 C 8 A 9 D 10 B 11 E 12 A 13 C 14 D 15 B 16 C 17 C 18 C 19 E 20 E 21 A 22 C 23 B True-False: 1 T 2 F 3 T 4 F 5 F 6 F 7 F 8 T 9 T 10 T