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标题: 关于it指代的问题 og12 23~~ [打印本页]

作者: appleontree 时间: 2010-9-6 17:44
标题: 关于it指代的问题 og12 23~~

23. In a previous design, the weight of the discus used in track competition is concentrated in a metal center, but now it is lined with lead around the perimeter, thereby improving stability in

flight and resulting in longer throws.

(A) In a previous design, the weight of the discus used in track competition is concentrated in a metal center, but now it is

(B) According to a previous design, the weight of the discus used in track competition was

concentrated in a metal center, but now it is

competition is now

(D) The discus used in track competition, once designed with its weight concentrated in a metal center, but now

(E) The discus used in track competition was once designed having its weight concentrated in a

metal center and now

为什么说b选项里的it指代的是discus，所以b不对呢？it不能指代weight么?...

作者: appleontree 时间: 2010-9-7 13:58

作者: qingbo 时间: 2010-9-7 22:05
我觉得在b 选项里面，it指代的就是weight，所以逻辑意义上行不通，B才错了

是discus is lined ,不是weight is lined。重量是没有办法被设计成“铅在周边的”

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