If you don't make it to class, contact your TA, your recitation instructor, and you can take makeup within a week of the time of the original test.
如果你不能来上课，联系你们的助教、背诵课的老师，你可以在测试后那个礼拜内找时间补回来。
If you don't make it to class, contact your ta, your recitation instructor, and you can take a makeup within a week of the time of original test.
如果你不能来上课，联系你们的助教，背诵课的老师，你可以在测试后那个礼拜内，找时间补回来。
In this paper, the stable bed with Biological contact Oxidation method is used to test the Nitrifying Characteristics of city domestic wastewater. The effect caused by contact time is also tested.
利用生物接触氧化法固定床，对城市生活污水进行了硝化性能的试验研究，及接触时间对硝化性能的影响。
If you are taking the test for the first time, you should not use your glasses or contact lenses.
如果您正在测试的第一时间，你不应该使用您的眼镜或隐形眼镜。
If you are taking the test for the first time, you should not use your glasses or contact lenses.
如果您正在测试的第一时间，你不应该使用您的眼镜或隐形眼镜。
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