Question

   Here's a very clever idea: A book that not only contains information about clean drinking water printed on its pages,but the actual pages themselves can be tom off and used as high-tech filters(過濾器) that will remove 99% of bacteria from the filtered water. The idea came out of Dr. Theresa Dankovjch's chemistry PhD work at McGill University in Montreal,during which she invented a new bactericidal (殺菌的) silver nanoparticle (銀納米顆 粒) paper and a green method of producing it using cheap processes. She and her team are now trying to make the Drinkable Book a reality to contribute to the effort to bring clean water to the 663 million people who don't have access to it.

   Here's the description of the project from the official website: 

   The Drinkable Book ^TM is both a water filter and a manual for how and why to clean drinking water. This filter works to produce clean drinking water by pouring dirty water through a thick,strong sheet of paper containing silver nanoparticles,which can kill microbes（微生物）. This paper was created and shown to be highly antibacterial. Additionally,these filters meet US EPA guidelines for bacteria removal to produce safe drinking water. The filters can last a couple of weeks,even up to a month,so the entire books could provide the tools to filter clean water for approximately a year.

   I hate to rain a little bit on this parade,but ... While it's a very clever idea,and it looks like a lot of work and effort has been put into designing and testing the Drinkable Book,sometimes the simplest ideas are best. Getting clean water instruction and water filters to people in need separately might still be the best and most cost-effective way to do things. Manuals with instructions printed in the local language would be very cheap to produce,and mass-produced water filters,which can use the same technology as the book,if that's the best,would probably be cheaper if they are not bound into nice-looking books.

25. What is the main function of the book?

   A. It can find water.

   B. It can store water.

   C. It can purify water.

   D. It can produce water.

26. The content in the book is mainly to .

   A. instruct readers   B. entertain readers   C. inspire readers   D. warn readers

27. What does the author think of the book?

   A. It is nearly useless.

   B. It is poorly designed.

   C. It is not very beautiful.

   D. It is not very economical.

28. Where is the text most probably taken froin?

   A. A book review. B. A personal diaiy.

   C. An advertisement. D. A science magazine.

Answer 1

25.    C 26.    A 27.   D 28.   D

(現(xiàn)代技術(shù))

本文是說明文。文章介紹了一種可用于凈化水的書及作者對此書的評價.

25.    C。細節(jié)理解題。由第一段中的the actual pages themselves can be tom off and used as high-tech filters that will remove 99% of bacteria from the filtered water可知，該書的主要功能是 可以凈化水。

26.    A. 推理判斷題。由第三段中的a manual for how and why to clean drinking water可推斷，書中的內(nèi)容主要用來指導(dǎo)讀者怎么樣及為什么凈 化飲用水。最后一段的clean water instruction 也是提示。

27.   D. 推理判斷題。由最后一段中的the simplest ideas are best ... would probably be cheaper if they are not bound into nice-looking books 可推 斷，作者認為該書雖有很好的創(chuàng)意，但是不夠經(jīng)濟。

28.   D. 文章出處題。通讀全文可知，作者首先介紹 了一項關(guān)于可凈化水的書的發(fā)明，然后發(fā)表了 對該發(fā)明的看法。故本文最有可能選自某科學(xué)雜志。