They had always been just bodies to me, a prescribed number that came and went each day of the semester until they were replaced by others, who would do the same.

以前，对我来说，学生们总是一些形体，或者一个统计数字，在每个学期，每个日子里，他们来来往往，直到下个学期被新人替代，而新人也是如法炮制，再来一遍。

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Article 11. When children have reached school age, their parents or guardians shall send them to school to receive compulsory education for the prescribed number of years.

第十一条父母或者其他监护人必须使适龄的子女或者被监护人按时入学，接受规定年限的义务教育。

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However, all states require a bachelor degree and completion of an approved training program with a prescribed number of subject and education credits as well as supervised practice teaching.

不过，所有州均需要学士学位，并需要完成认证培训课程，该课程规定了一定数量的科目和教育学分，以及监督实习教学。

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That is despite existing NHS guidance saying there "appears to be no clinical reason to restrict the number of tablets" of Viagra prescribed to an individual.

BBC: Viagra on NHS 'should be limited to two pills a month'

According to drug data tracker IMS Health, Zocor was prescribed 94 million times in 2010, double the number of prescriptions in 2007.

FORBES: FDA Limits High-Dose Zocor, Backing Earlier Concerns For Second-Most Prescribed Drug

They take complex antiretroviral drugs which can interact with a number of over-the counter and commonly prescribed medicines.

BBC: Condoms