1. Today Wegener’s theory is ____ ; however, he died an outsider treated with ____ by the scientific establishment.
A. unsupported - approval
B. dismissed - contempt
C. accepted - approbation
D. unchallenged - disdain
E. unrivalled - reverence


2. The revolution in art has not lost its steam; it ____ on as fiercely as ever.
A. trudges
B. meanders
C. edges
D. ambles
E. rages


3. Each occupation has its own ____ ; bankers, lawyers and computer professionals, for example, all use among themselves language which outsiders have difficulty following.
A. merits
B. disadvantages
C. rewards
D. jargon
E. problems


4. ____ by nature, Jones spoke very little even to his own family members.
A. garrulous
B. equivocal
C. taciturn
D. arrogant
E. gregarious


5. Biological clocks are of such ____ adaptive value to living organisms, that we would expect most organisms to ____ them.
A. clear - avoid
B. meager - evolve
C. significant - eschew
D. obvious - possess
E. ambivalent - develop