17. The movement of air into and out of the lungs is carried out by creating a
pressure________ between the lungs and the atmosphere.
(A) level, (B) amount, (C) gradient, (D) input, (E) quantity
13.下列何者通常不包括在雲端計算的服務分類中?
(A) Content as a Service(內容即服務) (B) Infrastructure as a Service(基礎架構即服務)
(C) Platform as a Service(平台即服務) (D) Software as a Service(軟體即服務)