三个范例： OG12-蓝-92 Schistosomiasis, a diseas caused by a parasitic worm, is prevalent in hot, humid climates, and it has become more widespread as irrigation projects have enarged the habitat of the freshwater snails that are the parasite's hosts for part of its life cycle. A) ... B) the freshwater snails that are the parasite's hosts in part of their life cycle C) freshwater snails which become the parasite's hosts for part of its life cycles D) freshwater snails which become the hosts of parasite during the parasite's life cycles E) parasite's hosts, freshwater snails which become their hosts during their life cycles
OG12-紫-87 In an effort to reduce their inventories, Italian vintners have cut prices; their wines have been priced to sell, and they are. (A) ... (B) are priced to sell, and they have (C) are priced to sell, and they do (D) are being priced to sell, and have (E) had been priced to sell, and they have
OG12-蓝-21 While depressed property values can hurt some large investors, they are potentially devastating for homeowners, whose equity-in many cases representing a life's savings-can plunge or even disappear. A) … B) they can potentially devastate homeowners in that their C) for homeowners they are potentially devastating, because their D) for homeowners, it is potentially devastating in that their E) it can potentially devastate homeowners, whose
正确选项分别是A, A, B。 其中： 第一题（OG12-蓝-92）中的指代不一致，it指代Schistosomiasis，its指代parasite 第二题（OG12-紫-87）中的指代不一致，their指代vintners，they指代wine
问题在第三题（OG12-蓝-21） 如果前两题的指代不一致成立，撇开can, in that的错误不谈，为什么OG12在解释错误答案B的时候，明确说their的指代是ambiguous？而从逻辑上理解they指代values，their从逻辑上应该指代homeowners的... ...
第三题的their可能还是会像lz你所说的那样，会因为物主代词的特殊性使得指代不明吧，这个我还是不敢下定论。作者: wuhaoshady 时间: 2010-10-19 16:42
第二不是选(C) are priced to sell, and they do么》？作者: jianglindenise 时间: 2011-3-5 23:36
我想问一个白痴的问题...