It's called the Gaokao, and 80 million high school Chinese students have already taken this grueling test.

这个考试叫做高考。有8000万中国高中生参加过这个“独木桥”考试。

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The grueling and intense training is a good test those applying to NASA's post-shuttle astronaut corp.

训练的严格和高强度正是对于NASA后穿梭机宇航员队伍的很好的试炼。

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NOME, Alaska (AP) A 53-year-old former champion has won the Iditarod Trail Sled Dog Race to become the oldest winner of Alaska's grueling test of endurance.

NPR: 53-Year-Old Musher Becomes Oldest Iditarod Champ

But I do know what happens by way of compulsory jollity in the hospitals and clinics and waiting rooms, and it's a grueling test of any citizen's capacity to be used for so long as a captive audience.

WSJ: Christopher Hitchens on Forced Merriment, the True Spirit of Christmas

Overall, 980 out of the initial 1, 024 participants started the fifth leg of this year's MDS, a grueling adventure challenging participants to test their bodies and minds as they take on whipping sandstorms and blazing temperatures of up to 50C in their epic journey across the Southern Moroccan desert.

CNN: Winners survive 'toughest race on Earth'