밑에 어느분이 올리신 예문
Global warming is defined as an increase in the average temperature of the earth's atmosphere. This trend began in the middle of the 20th century and is one of the major environmental concerns of scientists and governmental officials worldwide. The changes in temperature result mostly from the effect of increased concentrations of greenhouse gases in the atmosphere.
이거로 했는데요. 실제 시험의 난이도는 이 정도의 수준인가요?? 구글에서 예문 검색해 보면 정말 어려운 예문들이 많더군요.