练习册

  • 练习册
  • 试题
    34． it carefully can we hope to find a way to solve the challenging problem. A．When we observe B．When to observe C．That we should only observe D．Only by observing 【查看更多】

     

    题目列表(包括答案和解析)

    ___ it carefully can we hope to find a way to solve the challenging problem.

    A．When we observe                                       B．When to observe                         

    C．That we should only observe                   D．Only by observing

    查看答案和解析>>

    ________ it carefully can we hope to find a way to solve the challenging problem．


    1. A.
      When we observe
    2. B.
      When to observe
    3. C.
      That we should only observe
    4. D.
      Only by observing

    查看答案和解析>>

    ________ it carefully can we hope to find a way to solve the challenging problem．

    [　　]

    A．When we observe

    B．When to observe

    C．That we should only observe

    D．Only by observing

    查看答案和解析>>


    同步练习册答案