单项选择题 Section Ⅰ Use of EnglishDirections:Read the following text. Choose the best word(s) for each numbered blank and mark A, B, C, and D on ANSWER SHEET 1.
单项选择题 The U.S. integrated steel companies believe that, to modernize their technologies, they are in need of
单项选择题 Which of the following can be a disadvantage of U. S. "Big Steel" as pointed out in the text