GRE Text Completion: JiJing 1373-GRE填空机经1373题 - Y3WL5JC4204_3ZF7A

Making the shift to the 90-nanometer manufacturing process has been (i)____________ for semiconductor companies. This process effectively doubles the manufacturing capacity of the industry, but it (ii)____________ enormous technical challenges because some components of the new semiconductor chips are no more than five to seven molecules thick. A. an unanticipated boon B. circumvents C. a routine accomplishment D. entails E. a significant struggle F. resolves