河南成教 / 大学英语（4）
正确率：100%
6[单选题]
A(n) _ _ _ _ of using the solar energy is that it won't create any pollution.
A.disadvantage
B.advantage
C.profit
D.interest
A(n) _ _ _ _ of using the solar energy is that it won't create any pollution.
参考答案：
佳题速递：