单项选择题

The primary purpose of the passage is to

A． describe the relative speed of continental movement
B． predict the future configuration of the continents
C． refute a radical theory postulating continental movement
D． describe the reasoning behind a geological theory
E． explain how to calculate the continental drift per year

<上一题目录下一题>

热门试题

单项选择题

Book publishing has long been ______ profession, partly because, for younger editors, the best way to win a raise or a promotion was to move on to another publishing house.

A． an innovative
B． a prestigious
C． an itinerant
D． a rewarding
E． an insular

单项选择题

The aspect of Houston's work most extensively discussed in the passage is its

A． psychological canniness
B． judicial complexity
C． fundamental efficiency
D． radical intellectualism
E． exaggerated idealism