A、People should pay special attention to sub-health since it is a very dangerous state. B、Healthy lifestyle and a balanced diet

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问题  
Feeling stressed lately? Has the doctor said he cannot find anything wrong with you? Perhaps he sent you to a hospital, but all the fancy equipment there showed that there was’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 defined as a borderline state between health and disease. According to an 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-time, due to their heightened exposure to stress.
    The key to preventing and recovering from sub-health, according to some medical experts, is to form good living habits, alternate work with rest, exercise regularly, and take part in open air activities. As for meals, people are advised to eat less salt and sugar. They should eat more fresh vegetables, fruits, fish and so on because they are rich in nutritional elements--vitamins and trace elements-that are indispensable 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 your body. They also say that a balanced diet is very helpful in avoiding subhealth.

选项 A、People should pay special attention to sub-health since it is a very dangerous state.
B、Healthy lifestyle and a balanced diet are quite useful for people to recover from sub-health.
C、More than half of sub-healthy people are middle-aged or old people.
D、People should eat more to become stronger in order to avoid sub-health.

答案B

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