将下列句子排序组成完整的对话。

1. Hmm. I want to join the Japanese-language club. How about you?

2. Me, too. Let's join the music club.

3. Here are all the clubs.

4. Oh no. I don't like chess. Do you like music?

5. Well, I can't speak Japanese. Hmm. I want to join the chess club. Can you play chess?

6. Oh, yes. I can sing and dance. I like music.

7. What club do you want to join? 

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成本分析的基本方法包括比较法、（）。

A.比例法

B.因素分析法

C.比率法

D.差额计算法

E.差额法