The word "rudimentary" in paragraph 2 is closest in meaning to _______________.
Đáp án A
Từ “ rudimentary” [ thô sơ] ở đoạn 2 gần nghĩa nhất với
A. kém phát triển B. đang phát triển
C. cần thiết D. không thú vị
Dẫn chứng: In the early nineteenth century, the knowledge of the physics of heat, which was essential to a science of refrigeration, was rudimentary.
Which of the following is NOT considered an essential characteristic of architecture according to the passage?
Salt in its solid state is not able to conduct electricity because ______.
The author mentions “fish” in the first paragraph because __________________.
According to the passage, which of the following was an obstacle to the development of the icebox?
The word "substitutes" in paragraph 1 is closest in meaning to ________________.
When compared with implements "flaked with a counter-clockwise rotation”, it can be inferred that "implements flaked with a clock-wise motion" are ______________.
Which of the following could best serve as the title of the passage?
According to the passage, Moore's icebox allowed him to _______________.
The word “handheld” in the passage is closest in meaning to “______”.