题目

The media can often help solve problems and _____ attention to situations ______ help is needed.    A. take; which     B. draw; where     C. pay; that       D. draw;  /   答案：Bdraw attention to 吸引某人的注意力situation,case,后常用where 引导定语从句 pay attention to 关注，注意  如图所示，P为直线m外一点，点A、B、C在直线m上，且PB⊥m，垂足为B，∠APC=90°，则错误的是 [     ]A．线段PB的长度叫做点P到直线m的距离 B．PA、PB、PC三条线段中，PB最短 C．线段AC的长度等于点P到直线m的距离 D．线段PA的长度叫做点A到直线PC的距离