精选优质文档-倾情为你奉上2018考研英语（一）冲刺测试卷试题Section I Use of EnglishDirections: Read the following text. Choose the best word(s) for each numbered blank and mark A, B, C or D on ANSWER SHEET . (10 points)If sustainable competitive advantage depends on work force skills, American firms have a problem. Human-resource management is not traditionally seen as _1_ to the competitive survival of the firm in the United States. Labor is simply another factor of production to be hired or _2_ at the
