摘要： 阅读理解A warm drink of milk before bed has long been the best choice for those wanting a good night’s sleep. But now a study has found it really does he
【解析】本文讲的是晚上牛奶和睡眠。
12.B推理判断题。根据第四段第一句Those given night milk, which contained 10 times the amount of melatonin, were less active and less anxious than those fed with the milk collected during daytime,晚上喂牛奶的那些比白天喂牛奶的那些更不活跃，更不焦虑。可知白天喂牛奶的那些更焦虑。故选B。
13.D推理判断题。根据第五段Night milk quickened the start of sleep and caused the mice to sleep longer.晚上牛奶加快睡眠的开始，使老鼠睡的时间更长。可知D项符合题意。
14.A主旨大意题。根据第二段Researchers have discovered that “night milk” contains more melatonin(褪黑激素), which has been proven to help people feel sleepy and reduce anxiety. 研究者已经发现晚上牛奶包含更多的褪黑激素，这已经被证明能帮助人们感到困倦和减少焦虑。可知A项符合题意。
15.D推理判断题。根据前三段But now a study has found it really does help people nod off—if it is milked from a cow at night.一项研究表明-----；Researchers have discovered that “night milk” contains more melatonin(褪黑激素), which has been proven to help people feel sleepy and reduce anxiety.研究者已经发现晚上牛奶包含更多的褪黑激素，---； The study, by researchers from Seoul, South Korea, involved mice being fed with dried milk powder made from cows milked both during the day and at night. 来自汉城的研究者----。可知作者是通过提供研究结果来支持文章主题的。故选D。
