Answers for test 1 from the library:

1. b                                               28.    T
2. b                                               29.    F
3. e                                               30.    F
4. d                                               31.    F
5. e                                               32.    T                                          
6. c                                               33.    T
7. e                                               34.    T
8. c                                               35.    a
9. d                                               36.    a
10. d                                               37.    a
11. a                                               38.    a
12. d                                               39.    a
13. d                                               40.    a
14. c                                               41.    d
15. d                                               42.    e
16. c                                               43.    d
17. e                                               44.    c
18. d                                               45.    c
19. b                                               46.    b                                              
20. c                                               47.    e
21. b                                               48.    organ
22. d                                               49.    goblet
23. b                                               50.    isotopes
24. b
25. e
26. T
27. F