Need. According to the examination standard of senior high school entrance examination published by Henan Education Bureau, the multiple-choice answers of senior high school entrance examination questions need to be painted on the corresponding answer sheets and answer areas with B2 pencils, so the mathematics of senior high school entrance examination in Henan needs to draw answer sheets. Henan Province, referred to as "Yu" for short, is the provincial administrative region of People's Republic of China (PRC), the capital of Zhengzhou, the main agricultural product producing area and an important mineral resource province in China.