【简答题】A.Some clothes, computer s and books. B.A CD player, a computer and books. C.Some books, gifts and a computer. D.A CD player, some clothes and books.
【单选题】若某线性表中最常见的操作是取第 N 个元素和找第 N 个元素的前驱元素,则采用哪种存储方式最节省时间?
【判断题】全线牵引供电采用接触网供电,隧道内采用架空刚性接触网,隧道外线路采用架空柔性接触网。
【单选题】软性角膜接触镜沉淀物的诱因不包括( ).
【简答题】Father gave $ 20 for me to buy some books. I ______ $ 20 by father to buy some books.
【单选题】低碳钢和低合金钢奥氏体化是将钢加热到()点以上,以获得完全或部分奥氏体组织的过程。