According to the passage, which of the following was an obstacle to the development of the icebox?
Giải bởi Vietjack
Đáp án D
Theo bài đọc, cái nào sau đây là bất lợi đối với sự phát triển của thùng đông lạnh?
A. Sự cạnh tranh giữa những người sở hữu xe vận tải đông lạnh.
B. Sự thiếu mạng lưới việc làm để phân phối đá
C. Việc sử dụng sự cách li không đủ
D. Hiểu biết chưa đầy đủ về vật lý Dẫn chứng: In the early nineteenth century, the knowledge of the physics of heat, which was essential to a science of refrigeration, was rudimentary.
When compared with implements "flaked with a counter-clockwise rotation”, it can be inferred that "implements flaked with a clock-wise motion" are ______________.
Salt in its solid state is not able to conduct electricity because ______.
The author mentions “fish” in the first paragraph because __________________.
Which of the following is NOT considered an essential characteristic of architecture according to the passage?
Which of the following could best serve as the title of the passage?
The word "congested" in paragraph 1 is closest in meaning to ________________.
The word "substitutes" in paragraph 1 is closest in meaning to ________________.
For example, cheap oral-rehydration therapy developed in Bangladesh has dramatically cut the death (282)______ from childhood diarrhoea.
According to the passage, when did the word "icebox" become part of the language of the United States?
