[解析]
(1)联系上文题。根据上文In a popular TikTok video,Emily McDonald,a neuroscience consultant,discusses three things she does each day to protect her brain staying off her phone in the morning,thinking positively,and avoiding junk food(在一段很受欢迎的抖音视频中,神经科学顾问艾米丽•麦克唐纳讨论了她每天为保护大脑所做的三件事:早上不看手机、积极思考、不吃垃圾食品)可知麦克唐纳提出了很好的建议。因此F.The advice McDonald gives in her video isn't bad(麦克唐纳在视频中给出的建议还不错)符合语境。故选F。
(2)联系上文题。根据上文Sleep helps the brain form memories,reinforce new concepts and ideas,and remove the buildup of bad proteins in the brain.(睡眠有助于大脑形成记忆,强化新概念和新想法,并清除大脑中积累的坏蛋白质。)可知睡眠对大脑是有帮助的。因此D.It also boosts the brain's ability to adapt to new situations(它还能增强大脑适应新环境的能力)符合语境。故选D。
(3)语境衔接题。根据上文Get your heart pumping.(让你心跳加速。)和下文And a strong heart helps pump enough blood to the brain to maintain its performance.(强大的心脏有助于向大脑泵入足够的血液以维持其运转。)可知要经常锻炼,让心跳加速。因此C.Regular exercise makes for powerful heart muscles(经常锻炼有助于增强心脏肌肉)符合语境。故选C。
(4)标题归纳题。根据下文Exposing yourself to new people,places,and challenges can keep your mind sharp,and improve brain plasticity(让自己接触新的人、地方和挑战可以保持思维敏捷,提高大脑可塑性。)可知要让自己接触新的人和事物。因此E.Try new things(尝试新事物)符合语境。故选E。
(5)联系上文题。根据上文Many studies have shown highly processed foods,like packaged goods,can increase the risk of health problems,like diabetes and high blood pressure.(许多研究表明,高度加工食品,如包装商品,会增加健康问题的风险,如糖尿病和高血压。)可知不健康的食品对身体是有害的。因此A.These diseases can generally harm the entire body(这些疾病通常会伤害整个身体)符合语境。故选A。