It roughly reflects the diet of the respondents.

The method for roughly reflect that diet of the respondents are as follow:

1, inquiry method: roughly reflects the dietary situation of the respondents, and is often used for dietary surveys of larger groups.

2. Questionnaire survey: Design a questionnaire containing various foods, and let the respondents choose which foods they have eaten in the last week.

Introduction to human diet:

Human diet refers to the type, quantity and quality of food and drink consumed by human beings in daily life. Diet is the foundation of human survival and development, which is directly related to human health and quality of life. With the development of society and the progress of science and technology, the dietary status of human beings is constantly changing.

In ancient times, human diet was mainly composed of grains, vegetables, fruits, meat and dairy products. Due to the limitation of productivity, people have relatively few kinds and quantities of food, and malnutrition and hunger are common problems. However, even under such difficult conditions, people are still trying to find all kinds of food to meet their nutritional needs.

With the development of agriculture and the advancement of industrialization, great changes have taken place in the diet structure of human beings. Grain is still the main food source for human beings, but the intake of vegetables and fruits has greatly increased. The consumption of meat and dairy products has also increased greatly, becoming an important part of people's daily diet. In addition, due to the development of food processing technology, various convenience foods and fast food have become a part of people's daily life.

However, this change in diet structure did not bring the expected health effect. On the contrary, due to excessive intake of high-calorie, high-fat and high-sugar foods, the incidence of chronic diseases such as obesity, diabetes and heart disease is increasing year by year. In addition, due to excessive dependence on chemical fertilizers and pesticides, food safety issues have become increasingly prominent.

In recent years, with people's attention to health, more and more people began to pay attention to their eating habits. Healthy eating methods such as organic food, vegetarianism and low-carbohydrate diet have been widely concerned and sought after. At the same time, the government and non-governmental organizations are actively promoting the concept and methods of healthy eating, hoping to improve the public's health by improving people's diet.

Generally speaking, human diet is a complex problem, which is influenced by many factors, including socio-economic conditions, cultural traditions, personal habits and so on. In the future, with the progress of science and technology and the development of society, the human diet may change even more. But in any case, we should pay attention to our eating habits and strive to achieve a healthy and balanced diet to protect the health of ourselves and our families.

In this process, we need to constantly learn and understand the knowledge of nutrition, master the correct diet and cultivate good living habits, such as eating regularly and quantitatively, eating more fruits and vegetables and eating less greasy food. Only in this way can we truly realize a healthy diet and enjoy the happiness brought by delicious food.