required
1.Yes, assistantship holders are required to teach 20 hours or to do 20 hours of research a week. All assistantships carry a stipend and most provide a tuition waiver. Assistants are required to carry 9 graduate credit hours to be considered full time.
有.得到助教奖学金的被要求做20小时的教学或研究的工作.所有的助教奖学金都发放薪水，大多数都能减免学费。.全职助教必须拿够9个学分.
2.This is a question that is very often overlooked, Mrs. Mary. It is a very common but mistaken idea that a merchant has done everything that is required to protect him against losses when he has taken out W.P.A. insurance. There is, perhaps, no mistake mo
玛丽.这是一个经常被人忽略的问题.这是个很普通却又是个很错误的想法.那就是商人投保了"水渍险".便以为足以保障其利益不受损失.恐怕没别的错误比这个更有损他自己的利益的了.
