3. As a national exam with more than 1 million test takers every year, the National Postgraduates Entrance Examination is very important for students' academic life, and cheating incidents have been exposed from time to time.
4. vt. (烹饪时把鱼
5. 年少轻狂时，我们事事都乐于尝试。因为觉得自己一无所有而不惧怕失去。也正因如此，我们有时会在不知不觉中走上一条不归路。 WE want to try a little of everything
6. Global warming and a powerful El weather event combined to make 2015 the planet’s hottest year since modern records began in the 1800s, according to scientists, who warned this year could be even warmer.