A、<strong style="line-height: 33px; white-space: normal;"><span style="font-family: 宋体;">直线</span></strong>
B、<strong style="line-height: 33px; white-space: normal;"><span style="font-family: 宋体;">对数</span></strong>
C、<strong style="line-height: 33px; white-space: normal;"><span style="font-family: 宋体;">随机</span></strong>
D、<strong style="line-height: 33px; white-space: normal;"><span style="font-family: 宋体;">快开</span></strong>