[解析]
(1)语境衔接题。根据上文Obese people are at increased risk of many serious diseases,including high blood pressure,diabetes and heart disease. (肥胖者患许多严重疾病的风险增加,包括高血压、糖尿病和心脏病)以及下文If you are suffering from these,here's a way of losing weight that you can try. (如果你正遭受这些痛苦,这里有一种减肥的方法,你可以尝试一下)可推断,设空处应该继续说肥胖者受到的一些危害或者影响,D选项Obesity is also associated with a lower life quality and poor mental health."肥胖还与较低的生活质量和较差的心理健康有关。"符合题意,故选D。
(2)联系上文题。根据上文Dietary "self﹣monitoring" is a common strategy that people use to lose weight. (饮食"自我监控"是人们减肥的常用策略)可推测,下文是说策略的内容的,B选项It involves recording what they consume,and how much."它包括记录他们消耗了什么,以及多少。"符合题意,并且选项中的It指代上文的Dietary "self﹣monitoring",故选B。
(3)联系上文题。根据上文The theory is that when thinking of what you put in your body,you'll make healthier decisions.Can it really be that easy?There's no doubt that dietary self﹣monitoring has been shown to help lose weight. (理论是,当你考虑吃什么时,你会做出更健康的决定。真的那么容易吗?毫无疑问,饮食自我监控已被证明有助于减肥)可知,下文应该继续说饮食自我监控的相关信息,F选项However,not much is known about how long this takes or how often it should be done."然而,对于这需要多长时间或应该多久做一次,我们所知甚少。"符合题意和语境,故选F。
(4)语境衔接题。根据上文The findings demonstrated that people who continued to record their food intake daily for 24 weeks lost more weight compared to those who quit noting their intake. (研究结果表明,连续24周每天记录食物摄入量的人比不再记录摄入量的人减肥效果更好)和下文In comparison,those who recorded less than 2 times daily lost less weight. (相比之下,那些每天记录少于2次的人减重较少)可知,设空处仍然讲述的是其他频次记录摄入量和减重的关系,G选项People who lost at least 10 percent of their weight recorded their food intake about 3 times a day."减掉至少10%体重的人每天记录大约3次食物摄入量。"符合语境,故选G。
(5)联系下文题。设空处为本段的主题句。根据下文Dietary self﹣monitoring can be performed in different ways — using an online program,using a pencil or using smartphone applications,so it is important to find what works for you. (饮食自我监控可以通过不同的方式进行——使用在线程序,使用铅笔或使用智能手机应用程序,所以找到适合你的方法很重要)可知,本段说的是无论用什么样的方式,都要进行记录,C选项A good principle to follow may be "write when you bite"."一个可以遵循的好原则可能是"吃一口就要写下来。"符合题意,故选C。