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Organic food is food produced by methods (46) _______...

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 46 to 50.
Organic food is food produced by methods (46) _______ conform to the standards of organic farming. On an overall basis, organic food is prepared and processed without using any chemical fertilizers, pesticides, or chemical preservatives.
According to environmentalists, fertilizing, overproduction, and the use of pesticides in (47) _______ farming may negatively affect the biodiversity and water supplies. As harmful chemicals are excluded in organic farming, there is minimal soil, air, and water pollution. This will ensure a (48) _______ and healthier world for our future generations.
Demand for organic foods is also driven by consumer's concerns for healthcare. (49) ________ kinds of organic food have higher vitamin and mineral contents which help to strengthen the human immune system. For instance, organic milk is proved to have 60% more omega-3 fatty acids, antioxidants, vitamins than non-organic milk. Organic cows are also claimed to give better meat quality. (50) ________, because organic food products are controlled by very strict Standards, harmful chemicals will be eliminated from our diets, and only best products are introduced to customers.
The word or phrase which best fits the gap (49) is...
A. little
B. some
C. amount of
D. Few
Giải thích:
A. little + N (không đếm được): rất ít, hầu như không có
B. some + N (số nhiều): một số
C. amount of + N (không đếm được): lượng
D. few + N (số nhiều): rất ít
Tạm dịch:
Some kinds of organic food have higher vitamin and mineral contents which help to strengthen the human immune system. (Một số loại thực phẩm hữu cơ có chứa lượng vitamin và khoáng chất cao hơn, giúp tăng cường hệ miễn dịch của con người.)
Đáp án B.