According to paragraph 3, the architectural significance of the Halle Des Machines was its _____.
Đáp án A
wide span
Thông tin nằm ở đoạn 3: “The Paris Exhibition of 1889 included both the widest span and the greatest height achieved so far with the Halle Des Machines, spanning 362 feet, and the Eiffel Tower 1,000 feet high.”
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 “ ”.
When the Sun becomes a red giant, what will the atmosphere be like on the Earth?
Silent reading, especially in public places, flourished mainly because of ___.
Large amounts of gases may be released from the Sun at the end of its life as a .