A:a tall man in his thirties stepped
B:stepped a tall man in his thirtie
C:did a tall man in his thirties ste
D:did a tall man step in his thirtie
若等差数列an的前5项和S5=25,则a3等于( )
—I often do shopping ____ her.
为了解八年级学生的课外阅读情况,我校语文组从八年级随机抽取了若干名学生,对他们的读书时间进行了调查并将收集的数据绘成了两幅不完整的统计图,请你依据图中提供的信息,解答下列问题:(每组含最小值不含最大值)