[解析]
(1)D.联系上文题.根据上文But will going outside with wet hair make you sick?No.可知但是头发湿着出门会让你生病吗?不.由此可知,本句承接上文说明,"头发湿着出门会生病"是一种不正确的传统观点,上文No进行了否定,本句对上文这个观念进一步展开说明.故D选项"这只是对寒冷的一种不正确的传统信仰"符合上下文语境,故选D.
(2)G.推理判断题.根据上文A 2008 study found that mice having flu took longer to recover and were more likely to suffer ill effects if they were dieting.可知2008年的一项研究发现,患流感的老鼠需要更长的时间才能康复,而且如果节食的话,它们更容易受到不良影响.由此可知,上文说明了流感期间节食会造成不良影响,那么本句承接上文进一步说明要停止节食,直到流感季节过去.故G选项"研究人员的建议是停止节食,直到流感季节过后"符合上下文语境,故选G.
(3)A.文章衔接题.根据上文A widely spread post on line once suggested putting Vicks VapoRub on feet at night and covering them with socks to treat coughs.可知网上一个广为流传的帖子曾建议,晚上把薄荷膏敷在脚上,然后用袜子盖住,以治疗咳嗽.由此可知,本句承接上文说明"晚上把薄荷膏敷在脚上治疗咳嗽"的做法在网上很流行.故A选项"它在互联网上很流行"符合上下文语境,故选A.
(4)B.联系下文题.根据后文Colds and flu are caused by viruses.They do spread during cold﹣weather seasons,but you're more likely to pick them up inside than out.In fact,going outside and getting more physical activities﹣and not just during cold and flu season﹣may help prevent sickness.可知感冒和流感是由病毒引起的.它们确实在寒冷的季节传播,但你更可能在室内而不是室外感染它们.事实上,外出锻炼身体,而不仅仅是在感冒和流感季节,可以帮助预防疾病.由此可知,本段说明的是关于"外出不穿外套会患病"这种错误观点的说明.故B选项"如果出门不穿外套,你会生病的"符合上下文语境,故选B.
(5)C.推理判断题.根据后文Unless you are so cold that you get a low temperature,which could make you sensitive to flu,wet hair or clothes won't increase your possibility of catching a cold.可知除非你太冷以至于体温过低,这会使你对流感敏感,否则湿头发或衣服不会增加你感冒的可能性.由此可知,本句说明的是真正导致感冒的因素,故C选项"再次强调,感冒是由病毒引起的"符合上下文语境,故选C.