漫談美職棒系列暫告一段落，感謝各位支持。出一試卷以激發諸位主動學習的熱情，請自測。

請解釋以下專用術語。

1. Strike zone. (2 points)
2. Strike out. (2 points)
3. Strike out swinging. (3point)
4. Strike out looking. (3point)
5. Ground out. (5 points)
6. Fly out. (5 points)
7. Sacrifice fly. (4 points)
8. Sacrifice bunt. (4 points)
9. Intentional walk. (2 points)
10. Double play. (5 points)
11. Line drive. (5 points)
12. No hitter. (7 points)
13. Full count. (8 points)
14. Switch hitter. (10 points)
15. Fielders’ choice. (10 points)
16. ERA. (15 points)
17. RBI. (10 points)

附 加題：
1. Charge (Charge the ball). (5 points)
2. Hook (Hook the ball). (5 points)