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Middle school students do a review for their college entrance examination in a temporary classroom in the earthquake-hit Anxian county, Sichuan province June 28, 2008. Some 1,800 students are attending review classes in a warehouse-converted into a giant classroom to prepare for the annual national college entrance examination, or "gaokao". The examination for the 62 quake-ravaged counties and districts in Sichuan and Gansu provinces was postponed until July 3 to 5, the Ministry of Education said. [Agencies]