【简答题】如图所示是一个经过改造的台球桌面的示意图,图中4个角上的阴影部分分别表示4个入球袋.如果一个球按图中所示的方向被击出(假设用足够的力气击出,使球可以经过多次反射),那么该球最后落人哪个球袋?在图上画出被击的球所走的路程.
【单选题】He was often absent from class.________,he didn't pass the final examination.
【单选题】He was often absent from class.___,he didn't pass the final exmination.
【简答题】完形填空。 Mr Newton was a famous scientist. He liked thinking of some 1 and for it he was often absent-minded (心不在焉的).One evening, when he 2 home at eight o'clock, his family were out. He waited for a lon...
【简答题】如图是一个俱乐部的徽章.徽章的图案是一个金色的圆圈,中间是一个矩形,矩形中间又有一个蓝色的菱形,徽章的直径为2cm,则徽章内的菱形的边长为______cm.
【单选题】设有定义 int i=123; long j=456;下列赋值语句不正确的是( )
【单选题】如图所示的三个图中,图1是一个长方体截去一个角所得多面体的直观图,图2、图3分别是该多面体的正视图和侧视图,则该多面体的体积为( )
【单选题】He was often absent from class. _____, he didn ’ t pass the final examination.
【单选题】具有空间检索、空间拓扑叠加分析、空间模型分析等功能,它主要指的是地理信息系统的()功能。