【简答题】对2层高的2元完全正则树,可知 (1)有_______片树叶(第一空) (2)有_______个内点(第二空) (2)有_______个分支点(第三空) (3)有_______个顶点(阶数)(第四空) 提示:相关概念见教材第181-182页。2层高的2元完全正则树如下图所示:
【单选题】监测免疫效果最常用测定的是(2011 真题上109)
【判断题】Situational Language Teaching is dependent on both a textbook and visual aids.
【单选题】( 2014 年上半年)幼儿反复敲打桌子,在房间里跑来跑去,再从椅子上摇来摇去,这类游戏属于( )。
【简答题】Java technology is both a programming language and a platform.
【判断题】Learning body language is both fun and a great form of entertainment.
【单选题】The systematic knowledge of a second language which is independent of both the first language and the target language is called
D.
constructing language.