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Câu hỏi: Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 39 to 43
In the early days of sea travel, seamen on long voyages lived exclusively on salted meat and biscuits. Many of them died of scurvy, a disease of the blood which causes swollen gums, livid white spots on the flesh and general exhaustion.
On one occasion, in 1535, an English ship arrived in Newfoundland with its crew desperately ill. The men's lives were saved by Iroquois Indians who gave them vegetable leaves to eat. Gradually it came to be realized that scurvy was caused by some lack in the sailors' diet and Captain Cook, on his long voyages of discovery to Australia and New Zealand, established the fact that scurvy could be warded off by the provision of fresh fruit for the sailors.
Nowadays it is understood that a diet which contains nothing harmful may yet result in serious disease if certain important elements are missing. These elements are called 'vitamins '. Quite a number of such substances are known and they are given letters to identify them, A, B, C, D, and so on. Different diseases are associated with deficiencies of particular vitamins.
Even a slight lack of Vitamin C, for example, the vitamin most plentiful in fresh fruit and vegetables, is thought to increase significantly our susceptibility to colds and influenza.
The vitamins necessary for a healthy body are normally supplied by a good mixed diet, including a variety of fruit and green vegetables. It is only when people try to live on a very restricted diet, say during extended periods of religious fasting, or when trying to lose weight, that it is necessary to make special provision to supply the missing vitamins.
The word or phrase which best fits the gap (40) is...
A. increase our susceptibility to influenza.
B. contain every kind of vitamin.
C. contain more vitamin C than any other food.
D. decrease our resistance to colds.
In the early days of sea travel, seamen on long voyages lived exclusively on salted meat and biscuits. Many of them died of scurvy, a disease of the blood which causes swollen gums, livid white spots on the flesh and general exhaustion.
On one occasion, in 1535, an English ship arrived in Newfoundland with its crew desperately ill. The men's lives were saved by Iroquois Indians who gave them vegetable leaves to eat. Gradually it came to be realized that scurvy was caused by some lack in the sailors' diet and Captain Cook, on his long voyages of discovery to Australia and New Zealand, established the fact that scurvy could be warded off by the provision of fresh fruit for the sailors.
Nowadays it is understood that a diet which contains nothing harmful may yet result in serious disease if certain important elements are missing. These elements are called 'vitamins '. Quite a number of such substances are known and they are given letters to identify them, A, B, C, D, and so on. Different diseases are associated with deficiencies of particular vitamins.
Even a slight lack of Vitamin C, for example, the vitamin most plentiful in fresh fruit and vegetables, is thought to increase significantly our susceptibility to colds and influenza.
The vitamins necessary for a healthy body are normally supplied by a good mixed diet, including a variety of fruit and green vegetables. It is only when people try to live on a very restricted diet, say during extended periods of religious fasting, or when trying to lose weight, that it is necessary to make special provision to supply the missing vitamins.
(Adaped from the book Practical Faster Reading – A course in reading and vocabulary for upper-intermediate and more advanced students – by Gerald & Vivienne Mosback - page 93)
According to paragraph 4, fresh fruit and vegetables ______________The word or phrase which best fits the gap (40) is...
A. increase our susceptibility to influenza.
B. contain every kind of vitamin.
C. contain more vitamin C than any other food.
D. decrease our resistance to colds.
Căn cứ vào:
Even a slight lack of Vitamin C, for example, the vitamin most plentiful in fresh fruit and vegetables, is thought to increase significantly our susceptibility to colds and influenza. (Ngay cả một sự thiếu hụt nhẹ của vitamin C, ví dụ, loại dồi dào nhất trong trái cây và rau quả tươi, được cho là làm tăng đáng kể sự nhạy cảm của chúng ta với cảm lạnh và cúm.)
Even a slight lack of Vitamin C, for example, the vitamin most plentiful in fresh fruit and vegetables, is thought to increase significantly our susceptibility to colds and influenza. (Ngay cả một sự thiếu hụt nhẹ của vitamin C, ví dụ, loại dồi dào nhất trong trái cây và rau quả tươi, được cho là làm tăng đáng kể sự nhạy cảm của chúng ta với cảm lạnh và cúm.)
Đáp án C.