单项选择题
A. Urging North Korea to shut down its nuclear program. B. Investigating into North Korean nuclear program. C. Financing education in North Korea. D. Helping North Korea refugees.
A. shorter working time B. better working conditions C. removal of one of the managers D. apology from one of the managers
A. producing nuclear weapons B. creating fuel for nuclear reactors C. setting up about 100 centrifuges D. enriching uranium