六级They worry that the adolescent peer group has the power to push its members into behavior that is foolish and even dangerous.
六级And although anxious parents may not welcome the notion, educators could turn adolescent recklessness to academic ends.
六级Many industries are going out of infancy and becoming adolescents, Shapiro said.
六级Such wariness is well founded: statistics show, for example, that a teenage driver with a same-age passenger in the car is at higher risk of a fatal crash than an adolescent driving alone or with an adult.
六级Contrary to some stereotypes, most adolescents believe they must be tolerant of differences among individuals ( ' , though they do not always find this easy in the cliquish ( ' , 拉帮结派的) environment of high school).
六级Now a new study has provided another contribution to the debate, uncovering strong evidence that adolescent well-being in the United States really is experiencing a decline and arguing that the most likely cause is the electronic riches we have given them
考研Chewing gum, once bought primarily by adolescent boys, is now featured in commercials as a breath freshener and teeth cleanser for use after a meal.
六级In a 2011 study, Steinberg and his colleagues turned to functional MRI to investigate how the presence of peers affects the activity in the adolescent brain.
六级Pursuing a career is an essential part of adolescent development.
六级While most parents, teachers and clinicians would react to an adolescent using drugs or getting drunk, they may easily overlook teenagers who are engaging in inconspicuous behaviors.
六级But a new study finds that there's another group of adolescents who are in nearly as much danger of experiencing the same psychiatric symptoms: teens who use tons of media, don't get enough sleep and have a sedentary ( ' , 不爱活动的 ) lifestyle.
但是一项新的研究发现，还有另外一组青少年也有同样的精神症状：他们使用大量的媒体，睡眠不足，久坐不动，不爱活动的 ) 生活方式。
六级The 28 existence of such ideals, without the tempering of the reality of a job or profession, rapidly leads adolescents to become 29 intolerant of the non-idealistic world and to press for reform in a characteristically adolescent way.
六级The researchers conclude that electronic communication was the only adolescent activity that increased at the same time psychological well-being declined.
六级They are creating a major shift in the social experiences of both children and adolescents.