Feel tired lately?Has a doctor said he can’t find anything wrong with you?Perhaps he sends you to a hospital,but all the advanced equipment there shows there is nothing wrong with you.

Then,consider this:you might be in a state of sub-health(亞健康).

Sub-health,also called the third state or gray state,is explained as borderline state between health and disease.

According to the investigation by the National Organization,over 45 percent of sub-health 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(征兆)include a lack of energy,depression,slow reactions,insomnia(失眠),agitation, 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 form good living habits, alternate work and rest, exercise regularly,and take part 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 trace elements(微量元素)—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(消化道).They also say that a balanced diet is very helpful in avoiding sub-health.

1.When you are in a state of sub-health,you should ________.

A.stay home and keep silent

B.go to a doctor and buy some medicine

C.not consider it very serious

D.find out the reasons and relax yourself

2.Middle-aged people may be easy to get sub-health because ________.

A.they have used up their energy

B.they have lost their living hopes

C.they have more pressure in life and work

D.they have changed their way of life

3.The key to preventing you from falling into a state of sub-health is to ________.

A. keep on working regularly B. go to sleep a bit earlier

C. form good living habits D. take medicine if necessary

4.The underlined word “alternate” in this passage is closest in meaning to ________.

A. arrange by turns B. cause to take place

C. make up for D. keep away from

 

1.D

2.C

3.C

4.A

【解析】

提示:從全文可以看出，亞健康是身體對(duì)壓力、疲勞的一種反應(yīng)，即使最先進(jìn)的儀器也查不出病因。所以不必去醫(yī)院，也不必吃藥，但是不能聽之任之，不認(rèn)真對(duì)待。正確的方法是找出原因、減輕壓力、消除疲勞、平衡膳食。

1.

提示:亞健康的起因與疲勞有關(guān)系，但不是已將體力用完，排除A項(xiàng)。B、D兩項(xiàng)文章沒涉及。根據(jù)常識(shí)和第四段最后一句，我們也能判斷正確答案為C項(xiàng)。

2.

3.

4.

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Vocabulary

dropout                  輟學(xué)者，中途退學(xué)

well-rounded            全面的

attrition                  縮/減員，磨損

drain                  枯竭

bracket                  一類人，（尤指按收入分類的）階層

lagging behind other fields      落后于其它領(lǐng)域

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