单项选择题

What is the decisive factor in future competition between nations

A．Oil.
B．Technological skill.
C．Natural resources.
D．Education.
<上一题 目录 下一题>
热门 试题

单项选择题
Which of the following statements is NOT true
A．Wood-bunting stoves are safer and more efficient than they used to be.
B．No factories exist for the purpose of producing dirty wood chips.
C．Both catalytic combustors and wood agitators save money in the long run.
D．Wood-burning stoves with catalytic combustors cost between $ 100 and $ 200.
单项选择题
The word Proteus is closest in meaning to ______.
A．flexibility
B．diversity
C．variety
D．multiplicity
相关试题