2012년03월03일 19번
[과목 구분 없음] 글의 내용과 일치하는 것은?
- ① Better energy sources exist.
- ② The supply of oil will never run out.
- ③ Oil is an efficient source of energy.
- ④ Oil will run out in the next 20 years.
(정답률: 56%)
문제 해설
