Câu hỏi:
06/04/2020 1,597Read 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 questions
Before the mid-nineteenth century, people in the United States ate most foods only in season. Drying, smoking and salting could preserve meat for a short time, but the availability of fresh meat, like that of fresh milk, was very limited; there was no way to prevent spoilage. But in 1810, a French inventor named Nicolas Appert developed the cooking-and-sealing process of canning. And in the 1850’s an American named Gail Borden developed a means of condensing and preserving milk. Canned goods and condensed milk became more common during the 1860’s, but supplies remained low because cans had to be made by hand. By 1880, however, inventors had fashioned stamping and soldering machines that mass-produced cans from tinplate.
Suddenly all kinds of food could be preserved and bought at all times of the year.
Other trends and inventions had also helped make it possible for Americans to vary their daily diets. Growing urban population created demand that encouraged fruit and vegetable farmers to raise more produce. Railroad refrigerator cars enabled growers and meat packers to ship perishables great distances and to preserve them for longer periods. Thus, by the 1890’s, northern city dwellers could enjoy southern and western strawberries, grapes, and tomatoes, previously available for a month at most, for up to six months of the year. In addition, increased use of iceboxes enabled families to store perishables. As easy means of producing ice commercially had been invented in the 1870’s, and by 1900 the nation had more than two thousand commercial ice plants, most of which made home deliveries. The icebox became a fixture in most homes and remained so until the mechanized refrigerator replaced it in the 1920’s and 1930’s.
Almost everyone now had a more diversified diet. Some people continued to eat mainly foods that were heavily in starches or carbohydrates, and not everyone could afford meat. Nevertheless, many families could take advantage of previously unavailable fruits, vegetables, and dairy products to achieve more varied fare.
Question:What does the passage mainly discuss?
Đáp án chính xác
Câu hỏi trong đề:
30 đề thi thử thpt quốc gia tiếng anh năm 2020 cực hay có lời giải !!
Hot: 500+ Đề thi thử tốt nghiệp THPT các môn, ĐGNL các trường ĐH... file word có đáp án (2025).
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Trả lời:
Giải bởi Vietjack
Đáp án C
Kiến thức: Đọc hiểu
Giải thích:
Đoạn văn chủ yếu thảo luận gì?
A. Nguyên nhân gây hư hỏng thực phẩm
B. Sản xuất băng thương mại
C. Các phát minh dẫn đến những thay đổi trong chế độ ăn uống của người Mỹ
D. Phong trào dân số thế kỷ XIX
Ý xuyên suốt của bài là các phát minh khiến cho chế độ ăn của người Mỹ thay đổi ( từ theo mùa thành có đồ ăn phong phú đủ loại quanh năm)
Nhà sách VIETJACK:
Sách - 25 đề thi tốt nghiệp môn Tiếng Anh (Sách dành cho ôn thi THPT Quốc gia 2025) VietJack
Đã bán 3,2k
₫ 130.000
₫ 38.000
Sách - 500 Bài tập tổng ôn Tiếng Anh (Dành cho ôn thi THPT 2025) VietJack
Đã bán 1,2k
₫ 130.000
₫ 38.000
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