51. 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?
(A) Both partially biodegradable and nonbiodegradable
plastic beverage containers
can be crushed completely flat by refuse
compactors.
(B) The partially biodegradable plastic beverage
containers are made with more plastic than
comparable nonbiodegradable ones in order to
compensate for the weakening effect of the
bonding agents.
(C) Many consumers are ecology-minded and
prefer to buy a product sold in the partially
biodegradable plastic beverage containers
rather than in nonbiodegradable containers,
even if the price is higher.
(D) The manufacturing process for the partially
biodegradable plastic beverage containers
results in less plastic waste than the
manufacturing process for nonbiodegradable
plastic beverage containers.
(E) Technological problems with recycling currently
prevent the reuse as food or beverage
containers of the plastic from either type of
plastic beverage container.
答案是B 说实话，不是很看得懂~~专业名词比较多，但是翻译之后还是不明白为什么，拜托了，请赐教作者: ItalyPirlo 时间: 2013-4-2 19:05
这题我也做错了，应该是这样理解的吧
B选项说因为在agents部分使用了可分解材料，所以这部分会比较弱，因此
部分生物可分解的塑料为了弥补这部分的“弱”，会比非降解塑料使用更
多塑料~作者: napoleon 时间: 2013-4-3 06:37
因为refuse有废物的意思。。。。才发现啊T.T
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