It has been argued that oil may better be found by random drilling than by the appliance of scientific principles.（）

单项选择题Now some scientists have revised their way of thinking.（）

A.rejected
B.unclear
C.amended
D.distasteful

单项选择题In the heart of the continent of Antarctica it is almost as high as the summits of the Alps.（）

A.tops
B.trails
C.apexes
D.sites