SOS OG12-23 代词问题

yymy · 发表于 2014-5-24 10:40:31

23. 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 aroundthe perimeter, thereby improving stability in flight and resulting in longerthrows.

(A) In apreviousdesign, 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 usedin track competition was concentrated in a metal center, but now it is

(C) Once designed with its weight concentrated in a metal center,the discus used in track competition is now

(D) The discus used in track competition, once designed with its weightconcentrated in ametalcenter, but now

(E) The discus used in track competition was once designed havingits weight concentrated in a metal center and now

答案C its无对应，句子里只有 discus ？？
求助1！！！

alzn2765 · 发表于 2014-5-24 15:38:33

如果你在发帖前有任何尝试过自己解题的努力，我相信你都不会来问的。
即使以后你MBA毕业了，如果你还没有尝试去解决问题，就放弃了解决问题的努力而直接求助上级，你的上级一定会对你越来越失望的。

discus 查下字典

yymy · 发表于 2014-6-8 19:47:51

alzn2765 发表于 2014-5-24 15:38
如果你在发帖前有任何尝试过自己解题的努力，我相信你都不会来问的。
即使以后你MBA毕业了，如果你还没有尝 ...

亲你没明白我的问题，不是问单词好么= = anyway thanks for typing

alzn2765 · 发表于 2014-6-9 09:30:28

yymy 发表于 2014-6-8 19:47
亲你没明白我的问题，不是问单词好么= = anyway thanks for typing

亲就是个单词问题你查下discus字典就明白its是不是指代discus了

SOS OG12-23 代词问题

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