阿摩線上測驗
11. Caffeine is a _____ that increases energy levels and improves
concentration – but only for a short time.
(A)drink
(B) spice
(C) fragrance
(D) stimulant
答案：登入後查看
統計： A(23), B(15), C(27), D(73), E(0) #1784588
統計： A(23), B(15), C(27), D(73), E(0) #1784588
