The word “Others” in paragraph 3 refers to __________. A. adults B. promises
The word “Others” in paragraph 3 refers to __________.
A. adults
B. promises
C. goods and services
D. social opportunities
Thông tin: Others were pushed there when new technologies made their labor cheap or expendable; inventions such as steel plows and mechanized harvesters allowed one farmhand to perform work that previously had required several, thus making farming capital-intensive rather than labor-intensive.
Chọn A