Feel tired lately? Has a doctor said he can’t find anything wrong with you? Perhaps he has

Feel tired lately? Has a doctor said he can’t find anything wrong with you? Perhaps he has sent you to a hospital, but all the advanced equipment there shows that there is nothing wrong with you.
Then, consider this: you might be in a state of sub-health. Sub-health, also called the third state or gray state, is explained as a borderline（界限）state between health and disease.
According to the investigation by the National Health Organization, over 45 percent of sub-healthy people are middle-aged or elderly. The percentage is even higher among people who work in management positions as well as students around exam-week.
Symptoms include a lack of energy,depression,slow reactions,insomnia,anger,and poor memory.Other symptoms include shortness of breath,sweating and aching in the waist and legs.
The key to preventing and recovering from sub-health,according to some medical experts,is to from good liwing habits,alternate work and rest,exercise regularly,and take park in open air activities.
As for meals,people are advised to eat less salt and sugar.They should also eat more fresh vegetables,fruits,fish because they are rich in nutritional elements—vitamins and other elements that are important to the body.Nutrition experts point out that it is not good to eat too much at one meal because it may cause unhealthy changes in the digestive tract. They also say that a balanced diet is very helpful in avoiding sub-health.
【小题1】According to this passage, which of the following is true?A．When you are in a state of sub-health, you should stay at home and keep silent.B．When you are in a state of sub-health, you should go to see a doctor and buy some medicine.C．When you are in a state of sub-health, you should have yourself examined in foreign countries.D．When you are in a state of sub-health, you should find out the reasons and relax yourself.【小题2】It may be easy for middle-aged people to get sub-healthy because .A．they have used up their energyB．they have lost their living hopesC．they have more pressure in life and workD．they begin to get older【小题3】The key to preventing you from falling into a state of sub-health is that you should .A．work hard B．sleep moreC．form good living habits D．take more medicine【小题4】The underlined word “alternate” in this passage is closest in meaning to .A．arrange by turns B．cause to take placeC．keep oneself busy withD．get tired ofD

(答案→)D 解析：文章介绍了有关亚健康的问题，包括什么是亚健康，常出现亚健康的人群，亚健康的症状以及避免亚健康的方法。【小题1】D细节理解题。第五自然段The key to preventing and recovering from sub-health is to formgood living habits-----,大意为：阻止亚健康或从亚健康中恢复的关健是形成良好的生活习惯，合理安排工作和休息，有规律的锻炼身体，积极的参加户外活动。由此可知当你处于亚健康的时候就是要找出原因使自己放松。故答案应为D。【小题2】C细节理解题。The percentage is even higher among people who work in management positions as well as students around exam-week.中年人患亚健康的比率达到百分之四十五，这一比率在做管理的人群和经常考试的学生当中比率会更高，由此可知亚健康与工作的强度和压力有关，故答案应为C，在生活和工作中这一群的压力是更大的。【小题3】C细节推理题。由The key to preventing and recovering from sub-health is to form good living habits-----可知，要阻止亚健康的关健是形成良好的生活习惯。本句的句意为：阻止亚健康或从亚健康中恢复的关健是形成良好的生活习惯，合理安排工作和休息，有规律的锻炼身体，积极的参加户外活动。故答案应为C。【小题4】A词义推测题。over 45 percent of sub-healthy people are middle-aged or elderly. The percentage is even higher among people who work in management positions as well as students around exam-week.句意为百分之四十五中年人患有亚健康，管理人员与学生会更高，由此可知工作的压力大的环境患亚健康的可能性更大。exercise regularly, take part in open air activities要有规律的锻炼和积极参加户外活动。由此两部分可知要避免亚太健康由合理的安排好工作和休息。故alternate的意思应为安排的意思，答案应为A。考点:健康保健类文章的阅读理解。

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