6.
1. 40℃
2. 多い
3. 低下
4. 潤滑油
5. 酸素又は酸素量
7. (5-6) 3] (6-2) 1] (7-6) 2]
(8-2) 4]
8. (○) 1. ( ) 2. ( ) 3. (○) 4. (○) 5.
9. 1. e 2. d 3. k 4. g 5. a
10. 1. d 2. h 3. c 4. h 5. h
11. ( ) 1. (○) 2. ( ) 3. ( ) 4. (○) 5.
12. (○) 1. ( ) 2. (○) 3. ( ) 4. ( ) 5.
13.
14. ( ) 1. ( ) 2. (○) 3. (○) 4. ( ) 5.
15. (○) 1. ( ) 2. (○) 3. ( ) 4. ( ) 5.
16. 1.(×)d 2.(×)d 3.(×)b 4.(×)c 5.(×)b
17. (○) 1. ( ) 2. ( ) 3. ( ) 4. (○) 5.
18. (○) 1. ( ) 2. ( ) 3. ( ) 4. (○) 5.
19. ( ) 1. (○) 2. (○) 3. ( ) 4. (○) 5.
20. 3,6
21.
