45. Consider: radio waves (r), visible light (v), infra-red (i), x-rays (x), ultraviolet (u). In order of increasing frequency, they are: (A) r, v, i, x, u (B) r, i, v, u, x (C) i, r, v, u, x (D) i, v, t, u, x (E)r, i, v, x, u
45. Consider: radio waves (r), visible l..-阿摩線上測驗
This is a large modal.