The use of the subjects selected by famous writers is an effective way of writing compositions.
借鉴名家作品的命题，由一窍之得而成为长期策略，是写作教法的一条有效经验。
The subjects selected were 103 non-English majors of three natural occurring classes in grade two.
来自重庆大学二年级三个非英语专业自然班的103名学生参加了本实验。
They selected as their subjects 206 cognitively healthy subjects aged 70 to 90 who had already been genotyped as part of the Alzheimer's Disease Neuroimaging Initiative.
他们选取了206名年龄介于70-90岁之间健康老年人作为他们的研究对象，同时这些受试者也是老年痴呆症神经成像启动计划的部分参与者。
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