题目

请认真阅读下列短文，并根据所读内容在文章后表格中的空格里填入一个最恰当的单词。注意：每个空格只填1个单词。 Feeling extreme loneliness can increase an older person’s risk of premature (过早的)death by 14 percent, according to research by John Cacioppo, professor of psychology at the University of Chicago. Cacioppo and his colleagues’ work shows that the impact of loneliness on premature death is nearly as strong as the impact of disadvantaged socioeconomic status, which they found increases the chances of dying early by 19 percent.一个质量为m的物体，从距竖直墙L处以初速度v0水平抛出。不计空气阻力，则该物体撞到墙上的时间由下列哪组物理量决定 [     ]A．重力加速度g B．初速度v0C．水平距离L D．初速度v0和水平距离L