What does the passage mainly discuss?
Đáp án B
Bài đọc chủ yếu thảo luận về cái gì?
A.Ảnh hưởng của đá lạnh đến chế độ ăn uống. B. Sự phát triển của tủ lạnh.
C.Vận chuyển thức ăn đến chợ D. Các nguồn đá lạnh ở thế kỷ 19.
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 ______.
According to the passage, which of the following was an obstacle to the development of the icebox?
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.
The latest invention mentioned in the passage is the invention of ______.