medium · SAT Reading & Writing
Economist David Autor has examined the 'polarization' of the labor market, noting that while demand for high-skill professional jobs and low-skill service jobs has increased, middle-skill manufacturing and clerical roles have declined.
Autor attributes this trend to automation, which easily replaces routine tasks but struggles with non-routine cognitive and manual work. To illustrate this, he points out that a computer can calculate a complex spreadsheet in seconds but cannot yet navigate a crowded room or interpret a subtle social cue with the same ease. Which choice best describes the function of the underlined sentence as a whole?
- It lists the specific programming languages used to develop modern spreadsheet software.
- It provides concrete examples to clarify the distinction between routine and non-routine tasks.
- It argues that computers will eventually be able to perform all human social interactions perfectly.
- It predicts that all low-skill service jobs will be entirely automated within the next decade.
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