【单选题】109关于材料消耗的性质及确定材料消耗量的基本方法,下列说法正的是( )。 计价 18- 17.
C.
土石方爆破工程所需的炸药、雷管、引信属于非实体材料
【单选题】在将一台linux计算机配置为samba服务器时,若要共享/files目录,并只允许class组的成员可以访问,除设置public=yes外,还应指定()。
【简答题】A.ysis B.yses C.ytical D.ysts
【简答题】How many people in Malawi are likely to die of starvation this year?
【简答题】The (reduce) ______ in the supply of food at a time of emergency made many people die of hunger.