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英語四級聽力長對話模考(答案+解析+MP3+原文) :第27期

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聽力對話原文

Conversation One

W: Excuse me, I’ve been using this old bookfor a research project and I notice that a lot of pages are turning brown andbecoming brittle.

M: Yes. Unfortunately, that’s a commonproblem with books made from wood pulp.

W: I suppose that to make paper from woodyou have to add a lot of chemicals and acids to make it turn white.

M: Exactly, and it’s the acid thateventually eats away the paper.

W: Oh, that actually makes sense, but thisbook’s not even 75 years old and I’ve seen books in museum that are hundreds ofyears old and they’re in free condition.

M: Well, you see, books have been made fromWood pulp only since the 1850s, before that they were made from materialsmostly animals’ skins, and no chemicals were added.

W: It’s a shame those older wood pulp booksare going to fall apart someday. Is there anything that can be done to preservethem?

M: En, currently the only way to stop thebooks from decaying is to remove the binding and treat each page individuallyto remove the acid.

W: That doesn’t sound very economical.

M: No, it isn’t. It’s not practical totreat a large number of books with this process, so we only try to rescue themost valuable edition books in our collection.

W: Well, thanks for the explanation. I’dbetter get back to my project.

M: Good luck and I hope the old book willhold long enough for you to finish it.

Questions 19 to 22 are based on theconversation you have just heard.

19. What are the speakers mainlydiscussing?

20. According to the man, why do modembooks decay?

21. What does the man say about bookspublished before 1850?

22.What will the woman probably do next?



重點單詞   查看全部解釋    
protect [prə'tekt]

想一想再看

vt. 保護,投保

聯想記憶
pulp [pʌlp]

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n. 果肉,紙漿,木髓,牙髓,低級刊物 vt. 使成為漿

聯想記憶
remove [ri'mu:v]

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v. 消除,除去,脫掉,搬遷
n. 去除

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economical [.i:kə'nɔmikəl]

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adj. 節儉的,經濟的,合算的

 
valuable ['væljuəbl]

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adj. 貴重的,有價值的
n. (pl.)貴

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rescue ['reskju:]

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vt. 營救,援救
n. 營救,救援

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explanation [.eksplə'neiʃən]

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n. 解釋,說明

 
conversation [.kɔnvə'seiʃən]

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n. 會話,談話

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decay [di'kei]

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v. (使)衰退,(使)腐敗,腐爛
n. 衰退

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collection [kə'lekʃən]

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n. 收集,收取,聚集,收藏品,募捐

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