填空题.There have been increasing news reports of incidents of harassment and violence directed at persons perceived to be Arab-Americans or of Middle Eastern or South Asian origin, including children. Arab-American parents have publicly expressed fear about the 41 of their children at school. These events are extremely disturbing to me and are of 42 concern to the Department of Education. All of us are justly outraged(愤怒的) at the 43 and loss of life in New York, Washington, and Pennsylvania. However, violence and harassment against 44 people based solely on their race or national origin only compound hatred and must not be tolerated. Each incident has a ripple effect (连锁反应) in our schools and our communities, creating fear and tensions that 45 affect us all. I am concerned that young people are particularly 46 to copying inappropriate conduct at a time when fear and anger are heightened. We are all 47 to making sure children across America can attend school in a safe and secure environment 48 from physical threats and discrimination. School officials, working closely with students, parents, and community groups, play a critical role in ensuring that race-based harassment and violence have no place in our schools. Harassment in schools can take many 49 , from abusive name calling to violent crimes directed at a student because of his or her race or ancestry, the country of origin of the student's family, or the student's cultural traditions. If 50 . harassment can harm students' ability to learn, undermine their physical and emotional well-being, provoke retaliatory(报复) violence, and worsen community conflicts. A. ultimately B. major C. poverty D. subject E. ideas F. ignored G. blocked H. committed I. free J. automatically K. forms L. destruction M. different N. safety O. innocent