幅值管理各项偏差等级划分为四级，其中：Ⅳ级为限速标准，每处扣301分。
参考答案：对
—Why did you come back so early?
—Because the English Party has been _____ till next Friday. [ ]
A. put on
B. put off
C. put away
D. put out
血友病甲是缺乏凝血因子（）
A.Ⅺ
B.Ⅷ
C.Ⅸ
D.Ⅶ
E.Ⅻ
