Trợ lý học tập AI - Câu trả lời này chỉ mang tính tham khảo
8. According to the passage, what determines the shelf life of food?
A. Overcautious health and safety regulation
B. Lab tests and government guidelines
C. The level of bacterial spoilage
D. The temperature at which the food is stored
E. The taste and quality of the food
9. Why does bottled mineral water need a best-before date?
A. The water can become contaminated over time.
B. The water can lose its oxygen content.
C. The water can develop an unpleasant taste.
D. The plastic bottles can release chemicals into the water.
E. The bottling process can introduce bacteria into the water.
10. What is the difference between a use-by date and a best-before date?
A. A use-by date indicates when the food should be consumed, while a best-before date indicates when the food will no longer taste good.
B. A use-by date indicates when the food will make you ill, while a best-before date indicates when the food will start to decay.
C. A use-by date indicates when the food should be consumed, while a best-before date indicates when the food will no longer be safe to eat.
D. A use-by date indicates when the food will start to decay, while a best-before date indicates when the food should be consumed for optimal taste.
E. A use-by date indicates when the food will no longer taste good, while a best-before date indicates when the food will start to decay.
11. According to the passage, why do green peppers decay faster than red peppers when kept in sunlight?
A. Green peppers have a higher oxygen content.
B. Green peppers photosynthesize at a faster rate.
C. Green peppers are more susceptible to bacterial growth.
D. Green peppers have a higher moisture content.
E. Green peppers have a lower resistance to sunlight.
12. What is the significance of the number 21 in relation to bottle caps?
A. It is the ideal number of sharp pointy bits on a bottle cap.
B. It is the number of bottle caps that can be produced per minute.
C. It is the number of bottle caps that can fit on a standard size bottle.
D. It is the number of bottle caps that can be recycled.
E. It is the number of bottle caps that can be opened with one hand.
13. According to the passage, what would be necessary to feed a family of four for 365 days a year using only eight square meters of land?
A. Growing crops that take up very little space
B. Growing crops that grow vertically rather than horizontally
C. Rotating crops to maintain soil nutrients
D. Ploughing back dead plant matter
E. Maintaining a vegetarian diet