OG12-23求助

幸运E枪兵 · 发表于 2012-2-26 14:49:10

In a previous design,the weight of the discus used in track competition is concentrated in a metalcenter, but now it is lined with lead around the perimeter, thereby improving stability inflight and resulting in longer throws.
A. In a previous design, the weight of the discus used in track competitionis concentrated in a metal center, but now it is
B. According to a previous design, the weight of the discus used in trackcompetition was concentrated in a metal center, but now it is
C. Once designed with its weight concentrated in a metal center, the discusused in track competition is now
D. The discus used in trackcompetition, once designed with its weight concentrated in a metal center, butnow (C)
E. The discus used in track competition was once designed having its weightconcentrated in a metal center and now
答案选a. 我想知道为什么it在这里不能指代weight of the discus？

幸运E枪兵 · 发表于 2012-2-26 23:15:27

up~~~

幸运E枪兵 · 发表于 2012-2-27 12:04:43

up~~~

anyany024 · 发表于 2012-2-27 13:08:28

显然不能，it指代的一个常用logical判断是把指代对象带回it看看句子逻辑上是否合理

重量被lined 显然是illogical的

macao417 · 发表于 2012-3-20 20:39:34

答案不是c吗

OG12-23求助

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