[解析]
(1)F.根据前文Studies have shown that drinking water on empty stomach can help increase metabolic (新陈代谢的)rate up by 30%.可知研究表明,空腹喝水,(人的)代谢率会上升30%。承接上文,F项This means that the rate at which calories are burned increases by nearly one third.(这意味着卡路里燃烧率也上升了大约三分之一)切题。故选F.
(2)B.根据后文"then you will be able to digest food faster and maintain a slim figure despite eating those extra calories."可知尽管摄入了额外的卡路里,你还是可以更快地消化食物,保持苗条的身材。B项If your metabolic rate is higher(如果你的代谢率更高)正好可以解释为什么摄入额外的卡路里还可以保持苗条的身材,故选B项。
(3)D.根据前文"The colon(结肠),which is in part responsible for bowel movements,require water to function properly."可知结肠在一定程度上负责肠道运动,它需要水才能正常工作。承接上文,D项So just drink down a glass of water and sit on your toilet for a clean colon.( 所以,喝一杯水,坐在马桶上清理结肠。)切题,正是因为结肠需要水,所以要喝水来清理肠道。选D.
(4)A.根据上文"At this moment,if you love coffee,which makes central nervous system excited,your nervous system will be affected from the get﹣go.可知早晨空腹的时候,如果你爱喝咖啡,这会使中枢神经系统兴奋,你的神经系统会从一开始就受到影响",根据下文,it can properly supply water to your nervous system,which will help it function properly.可知只要做了什么,它可以为你的神经系统提供适当的水,这将有助于神经系统正常工作。承上启下,A项just have a glass of warm water instead(就只喝一杯水来代替(咖啡))切题。与前后文呼应,故选A.
(5)E.根据后文So just by increasing your water intake,you are basically preventing your chances from suffering another headache attack.可知只要增加水的摄入量,基本上就可以防止你再次遭受头痛发作。说明头痛与喝水有关。E项Your doctor might have already told you that headaches happen due to lack of water.(你的医生一定告诉过你因为缺水你才会头痛)在这里切题,因为缺水头痛,所以只要多喝水,就可以防止头痛再次发生。选E.