12. What does the passage indicate was the main difference between the Wright brothers' aircraft and the works of other inventors?

Answer and Explanation

Your Answer is

Correct Answer is J

Explanation

Detailed questions, examine the conventional question points: comparative relationship, when you see the key question points while reading the article, you should take notes. Locate to lines 44-47, "When other flight pioneers are working on how to start the flight, the Wright Brothers are working on how to make the flight more stable." Item J is in line with the positioning information, and item FGH is not mentioned.