It was a new era, one that was witnessing breathtaking transformations in traditional ways of life and that demanded______transformations in the institutions and techniques of government.

A． shale : gasoline
B． iceberg : mountain
C． coal : mine
D． segment: whole
E． feldspar : stone

A． preservation : exhaust
B． analgesic : deaden
C． eulogy : delude
D． conviction : sue
E． appellation : address