[解析]
36.F 考查上下文理解判断能力.根据下文Read on for some techniques worth trying和下文的小标题,可知,幸运的是,研究表明你可以做很多事情避免思维迟钝.选故F.
37.A 考查上下文理解判断能力.根据下文There's evidence that people who have a purpose in life or who are working on long or short﹣term goals appear to do better.In other words,keep your brain looking forward可知,经常做计划,制定短期或长期目标的人会做得更好,要保持思维超前,故 选A.
38.E 考查上下文理解判断能力.根据下文Something as simple as setting a goal to have a weekly coffee date with a friend will do可知,同朋友约会喝咖啡这样的简单事情也行,所以你不必担心.故选E.
39.G 考查上下文理解判断能力.根据上文In fact,exercise produces chemicals that are good for your brain可知,锻炼能产生有益大脑的化学物质,下文应是:你照顾好身体,就是照顾好大脑.故选G.
40.C 考查上下文理解判断能力.根据上文But the best thing for your brain is when you learn something new and are physically active at the same time可知,对大脑最好的事情是你学新东西时,身体也要动,即脑力劳动和体力劳动相结合的事,就像学习园艺以及和朋友跳舞这样的事情.故选C.