阅读短文，将方框里的五个句子还原到短文当中．

A．One idea is to test yourself． B．Even worse，you could have an English test． C．She believes they are not as useful as other habits． D．These methods are commonly used in schools around the world． E．So it's possible that you are underlining something not so important．

Imagine you have a history or math test in school．（76）　　 How should you prepare for this terrible event？

Should you reread your history，math or English books？What about underlining important words or sentences？（77）　　 But are these truly the best methods？

Mary Pym，an American scientist，says that both rereading and underlining are ineffective（无效的）study tools，but better than not studying at all．（78）　　

When you reread something，you are not trying to actively receive the information．It seems that you already know the information because you've already read it．

The problem with underlining is that you don't always know what the most important information is．（79）　　．

What should you do if rereading and underlining are not the best ways to study for a test？

（80）　　 simple cards and practice exams can help when you want to make sure that you have learned something．

No matter what methods you choose，you should know that effective learning takes time and effort．