A、
About the middle of the 18th century.
B、
About the end of the 18th century.
C、
About the middle of the 19th century.
D、
About the beginning of the 20th century.
【正确答案】
C
【答案解析】
A、
In the 1920s.
B、
In the 1930s.
C、
In the middle of the 19th century.
D、
At the end of the 20th century.
【正确答案】
B
【答案解析】
A、
The workweek might decrease to four days.
B、
Workers might depend heavily on automation.
C、
Inefficient employees might lose their jobs.
D、
Employees might work in a relaxed atmosphere.
【正确答案】
A
【答案解析】
A、
Changing work style in the United States.
B、
Shorter workweek resulting in increasing automation.
C、
Regular practice of 40 hours of five eight-hour days.
D、
The idea of including Monday in the weekend.
【正确答案】
D
【答案解析】
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