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周转率高的物品，应尽量存放于接近出货区或货架较低的区域。()
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配送中心是连接生产与消费的纽带，是利用场所与时间创造效益的场所和设施。()
有三个相互独立的投资方案：甲、乙、丙。所有方案寿命为10年，残值为0，基准收益率为10%，可利用资本18万元，项目有关数据如下表所示。(P/A，10%，10)＝6.145，则最优方案组合为()。
第三方的专业配送中心，对物流业务的风险管理要比封闭型或半封闭型的配送中心更需具备敏感性，否则，会发生重要客户的流失，使公司也随之消灭。()
It's an annual back-to-school routine. One morning you wave goodbye, and that【21】evening you're burning the mid-night oil in sympathy. In the race to improve educational standards,【22】are throwing the books at kids.【23】elementary school students are complaining of homework fatigue. What's a well-meaning parent to do？
As hard as【24】may be, sit back and chill experts advise. Though you've got to get them to do it,【25】helping too much, or even examining answers too carefully, you may keep them【26】doing it by themselves. "! wouldn't advise a parent to check every【27】assignment," says psychologist John Rosemond, author of Ending the Tough Homework, "There's a【28】of appreciation for trial and error. Let your children【29】the grade they deserve."
Many experts believe parents should gently look over the work of younger children and ask them to rethink their【30】. But "you don't want them to feel it has to be【31】," she says.
That's not to say parents should【32】homework—first, they should monitor how much homework their kids have. Thirty minutes a day in the early elementary years and an hour in【33】four, five, and six is standard, says Rosemond. For junior-high students it should be"【34】more than a hour and a half," and two for high school students. If your child consistently has more homework than this, you may want to check【35】other parents and then talk to the teacher about reducing assignments.
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