It is a fact that family t    1    increase during the teenage years, especially in the early teenage years. Although each situation is different and every family has different problems, there is something common that leads to b    2    in parent-child relationships. During the special period, teenagers d    3    more independence and want to make decisions on their own, but parents are too     4    （concern）about their children and often disagree. As a result, many     5    （成年人）, who once v    6    themselves as level-headed or     7    （沉着的）parents, find themselves raising their voices when arguing a point with their teenagers. But it is not a good way to manage teenagers. So parents need to control their feelings, or their teenagers will shut down both     8    （mental）and emotionally（在情绪上）. They will learn to stop paying attention and listening, or even start talking back during a（n）    9    （argue）, feeling nothing but sadness or a    10    . To form a good parent-child relationship, both parents and teenagers should find right ways to get along with each other.