If you often feel tired and the doctor can’t find anything wrong with you, you may be in a state of Subhealth (亚健康). Subhealth is a state between health and illness. Most of the subhealthy people are middle-aged ones who are usually stressed out because of work and family. And some of them are students who are having exams.
If you are subheahlty, it is not difficult for you to become well soon. You should have good living habits. For example, you should get up early and go to bed early. And you should exercise regularly. Exercising can keep you healthy. As for meals, it is better to eat less salt and sugar. Vegetables, fruit and fish are important to your body. You should eat more of them. It is not good to eat too much at one meal, because it may cause unhealthy changes in the digestive tract(消化道). And at last, a balanced diet is very helpful in staying away from subhealth.
If you want to have good living habits,

A:you need to get up early and go to bed early B:you should exercise very often C:you should eat less salt and sugar and eat more vegetables, fruit and fish D:All above

When complaining in person, you should

A:get a receipt for what you buy B:speak to someone in authority C:talk directly to the assistant D:ask to see the buyer

If you are not employed by a company, you should NOT ______.

A:write a letter to present your thanks for interview B:write a letter showing the reason why you fail in the interview C:apply for the same position again several weeks later D:apply for other available positions in this company some weeks later

When complaining in person, you should

A:get a receipt for what you buy B:speak to someone in authority C:talk directly to the assistant D:ask to see the buyer

Only when you have collected sufficient data, ______ come to a sound conclusion.

A:you can B:can you C:you should D:should you

If you often feel tired and the doctor can’t find anything wrong with you, you may be in a state of Subhealth (亚健康). Subhealth is a state between health and illness. Most of the subhealthy people are middle-aged ones who are usually stressed out because of work and family. And some of them are students who are having exams.
If you are subheahlty, it is not difficult for you to become well soon. You should have good living habits. For example, you should get up early and go to bed early. And you should exercise regularly. Exercising can keep you healthy. As for meals, it is better to eat less salt and sugar. Vegetables, fruit and fish are important to your body. You should eat more of them. It is not good to eat too much at one meal, because it may cause unhealthy changes in the digestive tract(消化道). And at last, a balanced diet is very helpful in staying away from subhealth.
If you want to have good living habits,

A:you need to get up early and go to bed early B:you should exercise very often C:you should eat less salt and sugar and eat more vegetables, fruit and fish D:All above