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In China there are no illusions about the Gaokao system being perfect. For many students, the pressure heaped on them by parents, teachers and themselves, is overwhelming.

But, ultimately, most people support Gaokao, or at least see no alternative. “China has too many people,” is a common refrain. Given the intense competition for finite higher education resources, the argument goes, there has to be some way to separate the wheat from the chaff, and to give hardworking students from poorer backgrounds a chance toward upward mobility.

生词短语：

illusion

幻想; 错误的观念

heap

堆积(东西)

alternative

可供选择的事物

refrain

抑制; 避免; 克制

finite

有限的; 有限制的

wheat

小麦(籽实)

chaff

谷壳; 糠

upward mobility

向上流动; 向上流动性