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.

在2011年的一项研究中，斯坦伯格和他的同事转向功能性核磁共振成像来研究同龄人的存在如何影响青少年大脑的活动。

六级Pursuing a career is an essential part of adolescent development.

追求职业是青少年发展的重要组成部分。

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).

与一些刻板印象相反，大多数青少年认为他们必须容忍个体之间的差异（’，尽管他们并不总是觉得在小圈子里这样容易（’），拉帮结派的) 高中环境）。

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.

虽然大多数家长、教师和临床医生会对青少年吸毒或酗酒做出反应，但他们可能很容易忽视那些行为不明显的青少年。

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.

口香糖曾经主要由青春期男孩购买，现在在商业广告中作为一种饭后使用的口气清新剂和牙齿清洁剂。

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.

这种谨慎是有根据的：例如，统计数据显示，与单独驾驶或与成年人一起驾驶相比，与同龄乘客一起驾驶的青少年驾驶员发生致命车祸的风险更高。

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.

这种理想的存在，没有改变工作或职业的现实，很快导致青少年对非理想世界产生不容忍，并以典型的青少年方式推动改革。

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

现在，一项新的研究为这场辩论提供了另一个贡献，发现了强有力的证据表明美国青少年的幸福感确实在下降，并认为最有可能的原因是我们给予他们的电子财富

六级Many industries are going out of infancy and becoming adolescents, Shapiro said.

夏皮罗说，许多行业正在走出婴儿期，成为青少年。

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 researchers conclude that electronic communication was the only adolescent activity that increased at the same time psychological well-being declined.

研究人员得出结论，电子交流是青少年唯一一种在心理健康水平下降的同时增加的活动。

六级They are creating a major shift in the social experiences of both children and adolescents.

它们正在使儿童和青少年的社会经历发生重大变化。

六级And although anxious parents may not welcome the notion, educators could turn adolescent recklessness to academic ends.

尽管焦虑的家长可能不欢迎这种想法，但教育者可能会将青少年的鲁莽行为转变为学术目的。

六级They worry that the adolescent peer group has the power to push its members into behavior that is foolish and even dangerous.

他们担心青少年同龄人群体有能力迫使其成员做出愚蠢甚至危险的行为。