阿摩線上測驗
53. What kinds of companies have the greatest need for satellites?
(A) Car and airplane manufacturing companies
(B) Communication and space tourism companies
(C) Computer companies
(D) Wildlife tour companies
答案：登入後查看
統計： A(36), B(132), C(22), D(15), E(0) #2062355
統計： A(36), B(132), C(22), D(15), E(0) #2062355
