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Chinese students use IV drips while test cramming

Disturbing pictures have emerged of a classroom full of Chinese high school students hooked up to IV drips so they stay alert as they cram for the annual "gaokao" -- college entrance exam. 

Some 9.5 milion students will take the two-day exam in June to compete for some 6.5 places in Chinese colleges. The competition is most intense for the elite universities like Beijing's Peking University and Tsinghua University.