• 2022-06-18
    A former head of UN is quoted in
    A: foretelling the fragility of an imperfect world.
    B: restraining the noble aspirations of heaven.
    C: depicting the aim of establishing UN.
    D: pursuing the collective will and wisdom of humanity.
  • C

    内容

    • 0

      _stands for the world health organization.() A: WTO B: WHO C: AIDS D: UN

    • 1

      并励直流发电机的额定功率可表达为 。 A: UN ·IN B: UN ·IN ·η C: UN ·(IN - IfN) D: UN ·(IN - IfN)·η

    • 2

      并励直流发电机的额定功率PN等于( )。 A: UN INηN B: UN IN C: UN IN/ηN D: UN Ia

    • 3

      我们的目标是使中国经济走向世界。 A: Our aim is to make China's economy more competitive on the world market. B: Our aim is to make China's economy go to the world. C: Our aim is to make China's economy to the world. D: Our aim is to make China economy go to the world.

    • 4

      在发电机空载运行状态下,自动电压调节器和手动调节单元的电压给定值变化速度,应不大于()/s,不小于()/s。 A: 2%Un、0.3%Un B: 1%Un、0.3%Un C: 2%Un、0.5%Un D: 1%Un、0.5%Un