The way a kid sleeps can even shape grades in specific subjects, such as math, English and history, in different ways.

孩子的睡眠方式甚至会以不同的方式决定着他们数学、英语和历史等具体学科的分数。

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By 2004 the share of A* grades was 59%, and in 2009 hit 82% (at which point Westminster switched to different exams).

到2004年为止，A*分数的份额为59％，而2009年达到了82%（这次威斯敏斯特学校换了不同的考试方式）。

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To meet the requirement and needs of different customers, we have grades in AAA, AA, A with reasonable prices and prompt delivery.

为了满足要求，需要不同的客户，我们有等级AAA级，机管局， A与合理的价格，交货及时。

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They claim pupils sitting the exams in one part of the year got different grades for the same marks obtained by those in another part of the year.

BBC: child writing

In a report on the Foreign and Commonwealth Office's performance last year, the committee said promotions to different grades in the Diplomatic Service were judged on the basis of general competencies, including leadership and management abilities.

BBC: UK Politics

"We did not find strong evidence that the effect of work stress on heart disease is worse for those in lower grades - the effect of stress was pretty much the same across different grades, " said Dr Chandola.

BBC: Stress seems to produce biochemical changes