/ 1

--

1 () y y y

y Ex- Ex-l Ex-

D

() () () () () ()

()() ------

/ 2

(21) (21)(22) (23) (24)

1. 2.--

3.--

4. (1) (2) (3) (4) (5)

(57)

1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 62

/ 3

74

74

/ 4

23

271 62 38

1.(2007 6 24 ) 2.(2007 6 10 ) 3.(2008 5 12 )

4.(2008 5 12 )