【简答题】如图,在△ABC中,BO平分∠ABC,CO平分∠ACB,MN ∥ BC,MN过点O.若AB=12,AC=18,则△AMN的周长是______.
【简答题】A. The municipal government kept changing hands. B. The construction firm breached the contract. C. Shortage of funding delayed its construction. D. Problems of different kinds kept popping up.
【简答题】A. Hundreds of thousands of cars. B. Thirty million old cars. C. One million junked cars. D. Five million cars altogether. 24. A. A federal government agency. B. A car removal center in Los Angeles. C...
【单选题】采用 56K 技术的调制解调器能够达到 56KBps 通信速率的原因是 ________ 。
【简答题】下图是一个算法的程序框图,最后输出的W=( )。
【简答题】______标记用于在表单中添加一个下拉菜单,______标记用于定义下拉菜单中的具体选项。