885 Sec4-10

chenmoon · 发表于 2003-10-16 20:46:00

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？

cz · 发表于 2003-10-17 12:52:00

[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]

ios · 发表于 2003-10-17 13:40:00

it指代不清。

chenmoon · 发表于 2003-10-17 19:26:00

答案确实是d，我明白了，谢谢

jamesyeah · 发表于 2006-9-8 15:51:00

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。

jamesyeah · 发表于 2006-12-12 14:20:00

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???

pipilovelail · 发表于 2009-11-3 09:57:44

it 特指前面出现过的可数名词

885 Sec4-10

885 Sec4-10

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