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标题: 感觉这道题答案逻辑不对啊，请指教！ [打印本页]

作者: chasekai 时间: 2011-5-22 17:58
标题: 感觉这道题答案逻辑不对啊，请指教！

32. (26170-!-item-!-188;#058&003042)

The Chicago and Calumet Rivers originallyflowed into the St. Lawrence by way of Lake Michigan,

but having been redirected byconstructing canals so that the water now empties into the

Mississippi by way of the Illinois River.

(A) Rivers originally flowed into the St.Lawrence by way of Lake Michigan, but having been

redirected by constructing

(B) Rivers had originally flowed into theSt. Lawrence by way of Lake Michigan, but they have been

redirected by constructing

redirected by the construction of

(D) Rivers, originally flowing into theSt. Lawrence by way of Lake Michigan, but having been

redirected by the construction of

(E) Rivers, originally flowing into theSt. Lawrence by way of Lake Michigan, have been redirected

through the construction of

我有两个问题1. 语法笔记上说but having结构错误，这是什么意思？是不是but后面的having和前面的句子的flowed不平行，

2.答案E选项是不是改变了原文的逻辑意思，原文表示出了一点转折的意思，但是E中没有被体现

作者: Joseph_lin 时间: 2011-5-23 00:58
1,but可做连词，副词，不能做介词，后面不可能跟having这种形式哦，有的时候跟动词原形是因为省略了主语
2,这里就是要表现个事实，就是原先如果，现在又如何，不加but也能体现出这种语气的

作者: chasekai 时间: 2011-5-23 11:07

1,but可做连词，副词，不能做介词，后面不可能跟having这种形式哦，有的时候跟动词原形是因为省略了主语
2,这里就是要表现个事实，就是原先如果，现在又如何，不加but也能体现出这种语气的

-- by 会员 Joseph_lin (2011/5/23 0:58:19)

谢谢了，不过对这个题目正确选项去掉but的做法还是有些费解。。我要是遇到这样的题目怎么也不会选E的。

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