单项选择题

According to some estimates, at most for how long can we use the fossil fuel reserves

A．20-50 years.
B．50-100 years.
C．100-120 years.
D．200-500 years.
<上一题 目录 下一题>
热门 试题

单项选择题
Which of the following statement about William Perrey is NOT true
A．He is very concerned about the North Korea’s nuclear program.
B．He favors aggressive diplomacy to resolve the crisis.
C．He thinks US troops should continue to join UN peace-keeping missions.
D．He thinks large American units should not remain under US command.
单项选择题
By what is the nuclear energy primarily generated
A．Blowing.
B．Splitting atoms.
C．Joining atoms.
D．None of the above.
相关试题