近日，东南大学博士生导师陈洪兵教授在小红书上说：自从博士扩招，博士由考试入学改为考核入学后，博士生源质量明显下降，博士们根本不读书，水平比硕士还差。所以近年来他都是劝退想读他的博士的考生们，先想清楚再读博，宁缺毋滥。混个博士学位一点用都没有，纯粹浪费教育资源！
If you're seeking a scary story where no good deed goes unpunished, then you'll appreciate Crazy Old Lady. Written and directed by Martín Mauregui, this horror movie begins with a relatively mundane phone call. A woman is on the line with her elderly mother, Alicia (Carmen Maura), whose dementia keeps throwing them into a frustrating conversational loop. Not able to go check on her mom, she calls on an ex-boyfriend named Pedro (Daniel Hendler) to go by the house. Far from a feeble old woman living in fear, Alicia is fired up with a wicked scheme of her own.
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This robot vacuum is an all-in-one vacuum and mop. It has a docking station that handles auto-emptying, washing, and drying, using room-temperature air to dry the mop. So other than occasional emptying and topping up of water, your work is always done.
The rise of edtech
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