单项选择题

On what does the efficiency of a nation depend

A．Every individual.
B．Its machines.
C．Its wealth.
D．Its power.
<上一题 目录 下一题>
热门 试题

单项选择题
The conservation mentioned in the passage includes the following EXCEPT ______.
A．natural resources
B．human welfare
C．human life
D．concentration of wealth
单项选择题
The best title for this passage would be ______.
A．Children Rule the World
B．Computer Languages
C．The Unreal World of the Child and LOGO
D．Children Learn Reasoning Using LOGO
相关试题