题目

  （2010·湖南省高三模拟测试卷B卷）   31. The previous lecture focused on the reading problems in new words, while this lecture will turn to _____ in complex sentence structures. A. that     B. one       C. those   D. ones 答案：C从装有4个红球的袋中随机摸出一球，若摸到白球的概率是p1，摸到红球的概率是p2，则（   ）A．p1=1， p2=1B．p1=0， p2=1C．p1="0" ，p2=D．p1=p2=