• 2022-05-31
    Lesson 4 T or FListen and circle T or F[音频]The crew intends to delay departure time because of food loading delay
  • 正确

    内容

    • 0

      已知F[f(t)]=g(ω),则F[fꞌ(t)],F[fꞌꞌ(t)]分别为 A: ωg(ω),ω2g(ω) B: jωg(ω),-ω2g(ω) C: jωg(ω),ω2g(ω) D: jωg(ω),jω2g(ω)

    • 1

      T or F 801 There are in total eight injured passengers . [音频]

    • 2

      900句 T/Fquestion 651 The oxygen masks drop down because of cabin smoke. [音频]

    • 3

      [音频]Listen to the program and identify the following statements true(T) or false(F), then fill in the blanks with T or F.

    • 4

      Lesson 14-15 后测 判断对错-3 [音频] DLH will circle to land on the runway 18R due broken traffic. ( )