Ice cubes are placed in a classroom to ease the heat, where pupils are taking their terminal examination, at the Central Primary School of Tancheng Town in Tancheng County, east China`s Shandong Province, July 7, 2010. (Xinhua/Zhang Chunlei)

Ice cubes are placed in a classroom to ease the heat, where pupils are taking their terminal examination, at the Central Primary School of Tancheng Town in Tancheng County, east China`s Shandong Province, July 7, 2010. (Xinhua/Zhang Chunlei)

Ice cubes are placed in a classroom to ease the heat, where pupils are taking their terminal examination, at the Central Primary School of Tancheng Town in Tancheng County, east China`s Shandong Province, July 7, 2010. (Xinhua/Zhang Chunlei)

Ice cubes are placed in a classroom to ease the heat, where pupils are taking their terminal examination, at the Central Primary School of Tancheng Town in Tancheng County, east China`s Shandong Province, July 7, 2010. (Xinhua/Zhang Chunlei)

责任编辑：bianji