单项选择题

According to the passage, if there were 500 tons of uranium ore, how many tons of useful uranium-235 could be extracted

A．1 kilogram.
B．10 kilogram.
C．50 kilogram.
D．500 kilogram.
<上一题 目录 下一题>
热门 试题

单项选择题
Who has been working at the making of the atomic bomb from beginning to end'
A．Albert Einstein.
B．Harold
C．Urey.C. Ernest O. Lawrence.
D．J. Robert Oppenheimer.
单项选择题
Job satisfaction will______.
A．deprive one completely of stress at work
B．fail to influence one's performance at work
C．be closely related to an individual work life
D．affect an individual's life satisfaction not a bit
相关试题