What does the passage mainly discuss?
Đáp án D
The evolution of the use of iron in architecture during the 1800’s.
Đoạn văn chủ yếu thảo luận về cái gì? – Sự phát triển và việc sử dụng sắt trong kiến trúc suốt những năm 1800.
Thông tin nằm ở câu chủ đề đầu đoạn 1: “Iron production was revolutionized in the early eighteenth century when coke was first used instead of charcoal for refining iron ore.”
It can be inferred that the emergence of the mass media and specialised reading materials was an indication of ___.
The phrase “a specialised readership” in paragraph 4 mostly means “ ”.
Silent reading, especially in public places, flourished mainly because of ___.
When the Sun becomes a red giant, what will the atmosphere be like on the Earth?
Large amounts of gases may be released from the Sun at the end of its life as a .