求助TT-04-38

volleyball

 

Many residents of Calovia are committed to using products containing recycled materials.  Soon these consumers will get help in identifying such products from a book being published by the Calovian government.  The book offers a comprehensive listing, by product type and brand, of goods sold in Calovia that contain recycled material.  Therefore, publication of the book will almost certainly increase the use of products containing recycled materials in Calovia.

 

Which of the following, if true, most strengthens the argument?

 

1. Proceeds from the sale of the book are not expected to exceed the cost of its publication.
2. For numerous types of products, there are many brands that use recycled materials, although their manufacturers and distributors do nothing to advertise those brands’ recycled content.
3. For many materials, such as plastics, the recycling process results in a lower grade of material with a correspondingly different range of uses.
4. For many types of products listed in the book, all the brands available in Calovia use recycled materials.
5. Many manufacturers of products that contain recycled materials vary the proportion of recycled materials in those products in response to changes in price and availability.

even if getting right answer, i can not see through the answer B that does anything to surpport the argument . 

Appreciation for help. 

kallyli

The point is "increase" which means we should find a choice gives the difference between the time of before publication and after publication. Choice B tells us before the publication of the book, a lot of products containing recycled content cannot be recognized by the residents because they don't advertise those brands' recycled content, and this means that after the publication, more products containing recycled material will be recognized by the citizens and be used, this change gives a clue of "increase".

[此贴子已经被作者于2006-7-29 16:30:32编辑过]

volleyball

thanks