Rationale
The passage primarily discusses the theremin, an electronic musical instrument invented by Leon Theremin in 1928.
The passage focuses on the unique characteristics of the theremin, detailing how it is played and mentioning a notable musician associated with it. This sets the context for understanding its significance in the realm of musical instruments.
A) The achievement of Richard Pearse
Richard Pearse was an early aviation pioneer known for his contributions to flight technology, but he is not mentioned in the passage. The content specifically revolves around the theremin and its inventor, Leon Theremin, making this choice irrelevant to the main topic.
B) The problems of early airplanes
The passage does not address any issues or challenges faced by early airplanes. Instead, it concentrates solely on the theremin's design and operation, leaving no room for discussions related to aviation problems.
C) The first flight in the United States
While the history of aviation and first flights could be interesting, the passage does not reference this topic at all. The focus is clearly on the theremin, its functionality, and its cultural impact, particularly in music.
D) The history of long-distance flight
Similar to the previous options, this choice pertains to aviation history, which is not discussed in the passage. The primary subject is the theremin and its unique way of producing music without physical contact, contrasting sharply with the notion of long-distance flight.
Conclusion
The passage is centered on the theremin, highlighting its invention and operation. While the other options relate to aviation, they are not mentioned or implied in the text. Understanding the theremin's significance in music, especially with the reference to Jimmy Page, reinforces its unique place in the history of musical instruments rather than any aviation achievements.