单项选择题
Teachers need to be aware of the emotional, intellectual, and physical changes that young adults experience. And they also need to give serious ____1____to how they can best ____2____such changes. Growing bodies need movement and ___3_____, but not just in ways that emphasize competition. _____4___ they are adjusting to their new bodies and a whole host of new intellectual and emotional challenges, teenagers are especially self-conscious and need the ____5____that comes from achieving success and knowing that their accomplishments are ____6____by others. However, the typical teenage lifestyle is already filled with so much competition that it would be ___7_____to plan activities in which there are more winners than losers, _____8___, publishing newsletters with many student-written book reviews, _____9___ student artwork, and sponsoring book discussion clubs. A variety of small clubs can provide ____10____ opportunities for leadership, as well as for practice in successful _____11___ dynamics. Making friends is extremely important to teenagers, and many shy students need the ___12_____ of some kind of organization with a supportive adult ____13____ visible in the background.
In these activities, it is important to remember that young teens have ___14_____ attention spans. A variety of activities should be organized ___15_____ participants can remain active as long as they want and then go on to ____16____ else without feeling guilty and without letting the other participants ___17_____ . This does not mean that adults must accept irresponsibility. ___18_____ , they can help students acquire a sense of commitment by ___19_____ for roles that are within their ___20_____ and their attention spans and by having clearly stated roles.
A.capabilities
B.responsibilities
C. proficiency
D.efficiency