An invigilator hands out national college entrance exam papers to students inside a prefab classroom in Yushu Tibetan Autonomous Prefecture, northwest China's Qinghai province, where a powerful earthquake in April killed over 2,000 people, on Monday, June 7, 2010. [Xinhua]  

Police officers patrol near a sign that reads, "No tooting during the exam," outside a school in Jijiang city, east China's Fujian Province, on Monday, June 7, 2010. [Xinhua]