有些课程，其成功培养教师的失败率大的惊人：英国皇家化学学会称，有半数的数学与物理老师在上任后的五年内辞职走人。
Drop-out rates in some subjects are shocking: the Royal Society reckons that half of maths and science teachers leave within five years of starting their training.
该项研究发表在英国皇家化学学会出版的期刊---《食品与功能》中。
The research was published in the Royal Society of Chemistry journal, Food and Function.
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