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One variety of partially biodegradable plastic beverage container is manufactured from small bits of plastic bound together by a degradable bonding agent such as cornstarch. Since only the bonding agent degrades, leaving the small bits of plastic, no less plastic refuse per container is produced when such containers are discarded than when comparable nonbiodegradable containers are discarded.

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

正确答案: B

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OG12 CR51, A选项的解释

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楼主
发表于 2012-8-3 00:17:07 | 显示全部楼层
我觉得大伙都想复杂了吧。
他不就是说两种材料做的罐子,用过的后成了废料,运到垃圾处理场都能被机器压得很平。这不胡扯吗,跟题目讨论的一点不相关啊!
沙发
发表于 2012-8-3 00:27:50 | 显示全部楼层
“To say that biodegradable ones can be completely crushed also is perfectly compatible with saying that they contain less plastic.”这句话我是这样理解的:

A Nonbiodegradable plastic containers能被压平,就说明A Nonbiodegradable plastic containers contain less plastic; 那我也可以说A biodegradable plastic containers能被压平, 就说明A biodegradable plastic containers contain less plastic。也就是说A选项对结论既起不到加强也起不到削弱的作用。
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