A. sponsoring book discussion clubs B. how they can best adapt C. short attention spans D. accomplishments are admired Phrases: A. and knowing that their【T13】 1 B.【T14】 2to such changes C. such as displaying their artwork or【T15】 3 D. As teenagers have【T16】 4 Teachers need to be aware of the emotional, intellectual and physical changes that young adults go through. And they also need to give serious thought to【T17】 5Growing bodies need movement and nutrition, but not just in ways that emphasize competition. Because they are adjusting to their new bodies and a whole host of new changes, teenagers feel especially awkward in the presence of others and need the confidence that comes from achieving success【T18】 6However, the typical teenage lifestyle is already filled with so much competition that it would be fair to organize activities in which winners outnumber losers,【T19】 7A variety of small clubs can provide multiple opportunities for leadership, as well as practice in successful group dynamics. 【T20】 8, activities should be organized in such a way as participants can remain active as long as they want, then proceed to something else without letting the rest down. 【T13】