F．or the root of B_tree of order m,the minimal number of its children is

A．2

B．?m/2?

C．ém/2ù

D．m

[名词解释] 磨灭mó miè

[单选题]已知如下代码： boolean m=tree; if(m==false) System.out.println("False"); else System.out.pfintln("True"); 执行结果是( )。A．FalseB．TrueC．无结果D．运行时出错

[名词解释] 泯灭mǐn miâ

[单选题]When the order （） is received from the bridge, the main air stop valve in the starting air line should be shut.A . stand-by engineB . full aheadC . finished with engineD . full away

[单选题]The order B/L can be transferred by （ ）.A.sellingB.endorsementC.negotiation

[单选题]The order B/L can be transferred by （ ）.A.sellingB.endorsementC.negotiation

[名词解释] 莫名其妙mò mínɡ qí miào

[名词解释] 密密匝匝mì mi zü zü

[名词解释] root canal

[名词解释] 树（tree）