标题: 885 Sec4-10 [打印本页] 作者: chenmoon 时间: 2003-10-16 20:46 标题: 885 Sec4-10 More than five thousand years ago, Chinese scholars accurately described the flow of blood as a continuous circle controlled by the heart, but it went unnoticed in the West. (A) but it went (B) but it was (C) although it was (D) but the discovery went (E) although the discovery was
key: A， B为什么不行？ 作者: cz 时间: 2003-10-17 12:52
[face=Verdana]Are you sure? In my anwer key, it's choice ( D ). (A) 和 (B) 都错在代词 it 指代错误。[/face]作者: ios 时间: 2003-10-17 13:40
it指代不清。作者: chenmoon 时间: 2003-10-17 19:26
答案确实是d，我明白了，谢谢作者: jamesyeah 时间: 2006-9-8 15:51
问一问NN,it是不是不能象which一样指代句子的内容，只能指代名词等词。作者: jamesyeah 时间: 2006-12-12 14:20
Up!it是不是不能象which一样指代句子的内容，只能指代名词等词???
作者: pipilovelail 时间: 2009-11-3 09:57
it 特指前面出现过的可数名词
