题目

Malala Yousafzai, the teen activist from Pakistan, has just become the youngest person ever to win a Nobel Prize. In 2012, Malala survived from being shot by terrorists for speaking out for a girl’s right to be educated in her native country. She is being recognized today for her global activism on education for girls. Winning this award is a huge honor, especially for such a young person. Malala’s journey to the Nobel Prize has not been easy. She grew up in a dangerous district of Pakistan called the Swat Valley. This area was taken over by the Taliban. The Taliban ruled the distr一个从足够高处下落做自由落体运动的物体，在第1秒内，第2秒内的位移大小之比为A.1：1B.1：2C.1：4D.1：3