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Eating habits Eating habits change from generation to generation. Before scientists learned about vitamins and other constituents of food, such as proteins and carbohydrates (碳水化合物) , people believed in eating large quantities of food and were not concerned so much about a【C1】______(balance) diet. A hearty eighteenth century meal could consist of as many as twenty courses and would【C2】______ (probable) knock out many of us today! The Romans were famous for their【C3】______(enormously) feasts and insatiable appetites. In the year 2020 people' s eating habits may be just as【C4】______(surprise) but in a very different sort of way. With a world-wide【C5】______(grow) in population, food【C6】______(produce) will become exclusively【C7】______(machine) and scientific. There may well be an end to food as we know it today. Meals, as we know them may become a thing of the past. Food constituents and vitamins may be taken in the form of capsules (胶囊) , tablets and pills. The thought of these highly【C8】______(artificiality) food constituents replacing present day foods may not be very【C9】______(attraction) , but they may be the answer to food【C10】______(short) and world famine.