单选题 Bullying is a distinctive pattern of harming and humiliating others.Those who are in some way smaller,weaker，younger or more 26_____ than the bully often fall victims.Bullying is not common aggression; it is a deliberate and repeated 27_____ to cause harm to others of lesser power.Bullies are made，not born，and it happens at an early age，if the 28_____ aggression of 2-year-olds isn't handled well.Many studies show that bullies lack pro-social behavior，are 29_____ by anxiety，and do not feel empathy for others' situations.Those who chronically bully have strained relationships with parents and peers.

Bullies couldn't exist without victims，and they don't pick on just anyone—those 30_____ out lack assertiveness and radiate fear long before they ever encounter a bully.The psychological difficulties victims experienced in childhood and adolescence may produce negative 31_____ well into adulthood.Unfortunately,parents，teachers，and other adults are not 32_____ aware of how widespread bullying is and how damaging it can be to psychological health.

Increasingly，children are growing up without the kinds of experiences that lead to the development of social skills，and free play has been in 33_____.Yet，it's in playing with peers，without adult monitoring，that children 34_____ the skills that make them weU-liked by age-mates and learn how to solve social problems.But children learn a lot about 35_____ their social worlds by seeking guidance from their parents，so discussing with your children norms and values does matter.

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