阿摩線上測驗
( )22. Lifejackets, ______ and thermal protective aids are personal lifesaving appliances.
(A)liferafts
(B)food and equipment lockers
(C)immersion suits
(D)parachute rocket signals
答案：登入後查看
統計： A(0), B(0), C(2), D(0), E(0) #4054465
統計： A(0), B(0), C(2), D(0), E(0) #4054465
