阿摩線上測驗
182. According to the manual, what causes the unit to automatically shut off?
(A) A lack of water in the tank.
(B) A blocked air inlet.
(C) Excessive noise.
(D) A loose power cord.
答案：登入後查看
統計： A(151), B(15), C(20), D(84), E(0) #3805190
統計： A(151), B(15), C(20), D(84), E(0) #3805190
