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| Ones we've lost 期刊论文 Science, 2020 作者: Dennis Normile; Bian Huihui; Lucy Hicks; Katie Langin; Paul Voosen; Cathleen O'Grady; Jocelyn Kaiser; Richard Stone; Rodrigo Pérez Ortega; Adrian Cho; Jeffrey Mervis 收藏  |  浏览/下载:25/0  |  提交时间:2020/12/22 |
| Low-income students lose ground 期刊论文 Science, 2020 作者: Christopher Avery; Susan Dynarski; Sarah Turner 收藏  |  浏览/下载:8/0  |  提交时间:2020/12/07 |
| Mario J. Molina (1943–2020) 期刊论文 Science, 2020 作者: Kimberly A. Prather 收藏  |  浏览/下载:8/0  |  提交时间:2020/12/07 |
| Grade: incomplete 期刊论文 Science, 2020 作者: Gretchen Vogel; Jennifer Couzin-Frankel 收藏  |  浏览/下载:11/0  |  提交时间:2020/11/30 |
| Credit where credit is due 期刊论文 Science, 2020 作者: Emily Fogarty 收藏  |  浏览/下载:1/0  |  提交时间:2020/11/30 |
| Should I stay or should I go? 期刊论文 Science, 2020 作者: Jessica Toothaker 收藏  |  浏览/下载:0/0  |  提交时间:2020/11/24 |
| Let's not overthink this 期刊论文 Science, 2020 作者: H. Holden Thorp 收藏  |  浏览/下载:7/0  |  提交时间:2020/11/24 |
| Rising from the ashes 期刊论文 Science, 2020 作者: Gabriel Popkin 收藏  |  浏览/下载:11/0  |  提交时间:2020/11/20 |
| India's COVID-19 teacher 期刊论文 Science, 2020 作者: Vaishnavi Chandrashekhar 收藏  |  浏览/下载:6/0  |  提交时间:2020/11/20 |
| Difficult conversations 期刊论文 Science, 2020 作者: Sasha McDowell 收藏  |  浏览/下载:0/0  |  提交时间:2020/11/20 |