21.D ended his reign in embarrassment.

　　22. C owing to the undoubted and respectable status

　　23. A the role of the nobility in modern democracy

　　24. B fails to change his lifestyle as advised.

　　25. D Carlos, a lesson for all Monarchies

　　27.A disapproval

　　30.B new technology requires reinterpretation of the constitution

　　31.B journals are strengthening their statistical checks

　　32.B marked

　　33. D set an example for other journals

　　34. C has room for further improvement

　　35.A science joins Push to screen statistics in papers

　　36. D the consequences of the current sorting mechanism

　　37. A more journalists may be found guilty of phone hacking

　　38. C was hardly convincing

　　39. B generally distorted values

　　40. D moral awareness matters in editing a newspaper