Children lost more than a third of a year’s worth of learning during the Covid-19 pandemic, according to a worldwide study that shows gaps in skills and knowledge have persisted long after schools reopened.
一项manbetx app苹果 研究显示,在2019新冠疫情期间,儿童损失了超过三分之一的全年学习价值。该研究显示,在学校重新开学后很长一段时间内,技能和知识方面的差距仍然存在。
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