Choose the word or set of words that best fits the meaning of the sentence as a whole.

1. Today Wegener's theory is ____ ; however, he died an outsider treated with ____ by the scientific establishment.

2. The revolution in art has not lost its steam; it ____ on as fiercely as ever.

3. Each occupation has its own ____ ; bankers, lawyers and computer professionals, for example, all use among themselves language which outsiders have difficulty following.

4. ____ by nature, Jones spoke very little even to his own family members.

5. Biological clocks are of such ____ adaptive value to living organisms, that we would expect most organisms to ____ them.

6. The peasants were the least ____ of all people, bound by tradition and ____ by superstitions.

7. Many people at that time believed that spices help preserve food; however, Hall found that many marketed spices were ____ bacteria, moulds and yeasts.

8. If there is nothing to absorb the energy of sound waves, they travel on ____ , but their intensity ____ as they travel further from their source.

9. The two artists differed markedly in their temperaments; Palmer was reserved and courteous, Frazer ____ and boastful.

10. The intellectual flexibility inherent in a multicultural nation has been ____ in classrooms where emphasis on British-American literature has not reflected the cultural ____ of our country.

11. The conclusion of his argument, while ____ , is far from ____ .

12. In the Middle Ages, the ____ of the great cathedrals did not enter into the architects' plans; almost invariably a cathedral was positioned haphazardly in ____ surroundings.