問題詳情

【題組】68. Which of the following show how the lampbrella works?
(A)motor→canopy→sensors
(B)Sensors→motor→canopy
(C)motor→sensors→canopy
(D)canopy→motor→sensors

參考答案

答案：B
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)