What we're talking about for key stage 1 (ages 5-7) is children knowing about themselves, their differences, their friendships and how to manage their feelings.

我们现在谈论的是关键阶段1(5 - 7岁)，这是孩子们了解自我，他们之间的差异，他们的友谊及怎样管理自己的感情的时期。

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"For the purposes of the English grammar, punctuation and spelling test, an exclamation is required to start with What or How, " the guidance for Key Stage 1 and 2 national curriculum tests states.

小学生“关键阶段1和2”的全国课程测试指导文件写道：“为了遵守英语（精品课）语法、标点和拼写考试规则，以What和How开头的句子，必须用感叹号。”

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They will also allow readers to find out how schools are helping pupils to progress, with a value-added measure that indicates how pupils have improved between the end of Key Stage 1 (infants) and the end of Key Stage 2 (juniors).

BBC: Primary school league tables published

Immunex and American Home Products, which owns 55% of Immunex, recently began a final-stage study of 1, 800 patients to answer the key question: Does Enbrel prolong the lives of heart failure subjects?

FORBES: Chemical Chameleon