Passage Excerpt:
In the winter of 1903, while visiting New York City, Mary Anderson noticed that a streetcar driver had to keep the front window open to clear falling sleet from the glass. Upon returning to her home in Alabama, she designed a hand-operated device to solve this problem. [1] She was granted a patent for her window-cleaning device in November 1903.
Given that all the choices are true, which choice, if added at Point [1], best supports the idea that Anderson's design was both simple and easy to operate?
- AAlthough streetcars in New York City were equipped with electric heaters at the time, these devices did not clear the windows effectively.
- The mechanism consisted of a single lever inside the cabin that allowed the driver to swipe a rubber blade across the windshield.Cevap
- CAnderson's patent was approved in 1903, but she struggled for years to find a manufacturer willing to produce it.
- DDrivers in the early twentieth century faced extreme hazards in winter, they frequently had to stop to wipe their windows manually.
Cevap
The correct choice describes the mechanism as consisting of a single lever inside the cabin that allowed the driver to swipe a rubber blade across the windshield.
The correct answer describes the device's mechanism as a 'single lever' (emphasizing simplicity) that 'allowed the driver to swipe' (emphasizing ease of operation). This directly satisfies the rhetorical goal of the prompt.
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Anahtar Kavram
Meeting Specific Rhetorical Goals
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