| 文件 | 时间 | 大小 | 下载 | |
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L1 Two New York Times ads, separated by half a century, call millions to action （标注版文章）.pdf | 2023-12-31 06:00:05 | 701.29 KB | |
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L2 Delivery from Local Store Is Greenest Shopping Method--Most of the Time （标注版文章）.pdf | 2023-12-31 06:00:05 | 1.5 MB | |
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L3 Life without ice （标注版文章）.pdf | 2023-12-31 06:00:05 | 518.84 KB | |
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L4 Tough Choices Loom For Researchers Working With Animals（标注版文章）.pdf | 2023-12-31 06:00:05 | 1.01 MB |