But students who surfed the web during class did worse on their exams regardless of their ACT scores, suggesting that even the academically smartest students are harmed when they're distracted in class.
2018年12月六级真题(第二套)阅读
柯林斯高阶英汉双解学习词典释义
N-UNCOUNT
激浪;拍岸浪花
Surf is the mass of white bubbles that is formed by waves as they fall upon the shore.