: Filling in gaps about specific historical dates or inventions.
Explanation: Paragraph B states the Montgolfier flight "lasted approximately 25 minutes" and traveled "five miles." Paragraph C states Charles traveled "27 miles in just two hours." Charles covered a much greater distance in a comparable time, implying a faster speed (or at least a more efficient flight). Note: In some test variations, this might be framed around the distance covered, but the comparison of efficiency/speed implies validity. Mans Passion For Flight Ielts Answers S1 381i6e563e4ae