阿摩線上測驗
45. Why is Uranus important to scientists?
(A) It is one of the most common types of planets in the
galaxy.
(B) It has never been visited by spacecraft before.
(C) It has many moons.
(D) It is an abundant source of precious minerals and fossil
fuels.
答案：登入後查看
統計： A(166), B(28), C(14), D(47), E(0) #2930155
統計： A(166), B(28), C(14), D(47), E(0) #2930155
