(Viên chức Mầm non) 600 câu trắc nghiệm Trọng tâm tiếng Anh có đáp án - Phần 11

When you visit a supermarket you probably think you know exactly what you are going to buy, but the truth is you are very easily persuaded. Over half the decisions you make are made suddenly, on impulse, while you are inside the store, so it is important that a product is displayed in an eye catching position if it is to have any chances of success. Today’s supermarket invest million of pounds in powerful computer, which tell them what product sells best and where. “Space management” is the name given to a highly complicated way of influencing the way we shop to make sure that stores make the maximum profit. You walk into a supermarket. You pull out a trolley and stare up and down row after row of packed shelves. You step out into the aisles. You are faced with possibly the widest choice of food and drink in the world. But over the next hour or so, you will shop in a completely predictable way. This is what space management teams who work for supermarkets have found out. They believe that everything depends on the following rules about our behavior in supermarket.

Fires play an important role in the natural changes that occur in Earth’s ecosystem. The diversity of plant and animal life in the world’s forests, prairies, and wetlands is (partly) dependent on the effects of fire. It results when matter burns beyond its combustion point and it releases energy in form of heat energy. Fire has been important for the survival of man in the following ways. Firstly, fire is used for cooking food. Most of the food we eat is usually cooked. Eating raw food has been in the decrease due to health concerns. Secondly, fire is used for boiling water. Water is another important part of our life. Most of the water sources like rivers are not protected and this creates chances of water contamination. Boiling, instead of use of chemicals in water treatment will save you the side effects which come along with excessive use of chemicals. For many other reasons, fire is important to human’s life.