单项选择题

A．Blowing.
B．Splitting atoms.
C．Joining atoms.
D．None of the abov
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单项选择题
A．mining is difficultB．it costs a lot of money to preserveC．they are difficult to be processedD．they are non-renewable
A．mining is difficult
B．it costs a lot of money to preserve
C．they are difficult to be processed
D．they are non-renewable
单项选择题
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 comman
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 comman
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