There was a time ______ I thought my dad didn't know a thing about being a good father.
A:when
B:which
C:that
D:what
某校七年级学生在学习了“百家争鸣”一课后,结合教材内容和生活实际,围绕着“如何遏制校园内损害公物行为”进行分组讨论,产生了若干观点。这些观点虽然都有一定的道理,但其中哪个组的观点更为合理( )
关于图例和注记的解释,正确的是( )