第二节：听较长对话，请从A、B、C三个选项中选择最佳选项。
听下面一段较长的对话，回答第6～7题。
( )6. What are they talking about?
A. How to memorize new words.
B. How to memorize the text
C. How to make flashcards.
( )7.What is the boy’s idea?
A. To make flashcards is certainly use ful
B. To make flashcards is not much useful.
C. To make flashcards is a waste of time.
