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. 

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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.

See more photos here: Eye Opening: Senior High School Classroom Full of IV Drip Bottles in China 

Gaokao pupils on drips