阅读下面文言文,完成1-5题。蒙恬者,其先齐人也。恬大父蒙骜,自齐事秦昭王,官至上卿。秦庄襄王元年,蒙骜为秦将,伐韩,取成皋、荥阳,作置三川郡。二年,蒙骜攻赵,取三十七城。始皇三年,蒙骜攻韩,取十三城。五年,蒙骜攻魏,取二十城,作置东郡。始皇七年,蒙骜卒。骜子曰武,武子曰恬 Read the following Chinese to complete 1-5 questions. Those who are ignorant are those who are first. The great-grandfather, the monarch, is the king of Qin Zhao, and the officer is supreme. In the first year of King Qinzhuang, the Mongolian monk used the Qin and Han dynasty and took it as a sui and yang. In two years, the monks attacked Zhao and took 37 cities. In the first year of the emperor’s reign, the monks attacked Han and took 13 cities. In five years, the monks attacked Wei and took twenty cities as hometowns. The emperor died seven years ago.骜子曰武,武子曰恬