If further ( ) ,this invention could be used to make powerful microchips for computers

If further ( ) ,this invention could be used to make powerful microchips for computers.
A be developed B to be developed C developing Ddeveloped
句子意思理由

D
develop(开发)与invention(发明物)之间是被动关系 所以用过去分词
if further developed相当于if (it/this invention) is) further developed
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第1个回答  2011-06-01
选C,现在分词作独立主格结构,表示一种假设,这样的例子有很多,如
Time permiting, we will go to the Great Wall.

希望能帮到你,祝更上一层楼O(∩_∩)O
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