在青少年阶段,青少年所面临的许多问题都是与青春期发育有关的问题。如在小学六年级或初中一年级,同在一个班,有的同学长得很高、喉结突出、长出胡须,说话声音也和以前不太一样,变低、变粗,变得更象个男子汉了。而有的同学却还是和以前差不多少,和长得快的同学相比个头差好大一截,显得是那样小。在心里不免要嘀咕“我是否 In adolescence, many of the problems adolescents face are issues related to adolescent development. As in the sixth grade of primary school or first year of junior high school, in the same class, some students grow tall, Adam’s apple prominent, grow beard, voices are not the same as before, lower, thicker, more like a Manly man. Some students are still less or less the same as before, and grow faster than the poor students a big difference, it seems so small. In my heart can not help but whisper "I am