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人的一生中,生长发育有两次突增高峰。第一次是胎儿期和出生后的头一年,第二次是青春期。我国青少年从十一二岁开始进人青春期发育期,直到十八九岁止,恰好处在小学高年级和整个中学阶段。特别是进人中学后,青春好像长上了翅膀,飞跃式地前进。刚上中学时还是稚气十足的孩童,不要几年时间变成了文静的少女或体格魁梧的小伙子了。 进入青春期后,身高变化最为
People’s life, growth and development twice the peak surge. The first is the first year of the fetus and after birth, the second is adolescence. Adolescents in our country have entered the adolescent period of development from the age of eleven until they reach the age of eighteen and are in the upper primary school and the entire secondary school. Especially after entering high school, youth seems to be on the wings, leap forward. When I was in high school, I was still a childish boy. Do not become a quiet young girl or a burly young man for a few years. Into adolescence, the most height changes