What is the main idea of the passage ? Different methods of drying foods

Câu hỏi :

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions from 31 to 35:

A. Mechanization of drying foods

B. Water, the main component of food

C. Advantages of dried foods

D. Different methods of drying foods.

* Đáp án

D

* Hướng dẫn giải

Đáp án D

Đoạn văn mở đầu đã nói nên bao quát nội dung của cả bài “Centuries ago, man discovered that removing moisture from food helped to preserve it, and that the easiest way to do this was to expose the food to sun and wind. In this way the North American Indians produced pemmican (dried meat ground into powder and made into cakes), the Scandinavians made stock fish and the Arabs dried dates and apricots...”

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