50% original question. Lekao.com official website shows that Lekao.com's hit rate is very high, accounting for 50% of the original question, and the rest are mostly similar questions. Lekao Com is affiliated to Beijing Dianqu Education Technology Co., Ltd., which was established on 20 10 and is headquartered in Beijing. Is a large-scale Internet vocational education platform, which mainly provides qualification training for first-class builders, second-class builders, assembly engineers, BIM, licensed doctors, licensed pharmacists, practical nurse and bank employees.