27. Why does the Harvard neuroscientist say that lying takes work?
A. It is difficult to sound natural or plausible.
B. It is hard to choose from several options.
C. It involves lots of sophisticated mental activity.
D. It requires speedy blood flow into one’s brain.
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25.
A. Reduce the administrative costs.
B. Hire part-time employees only.
C. Make use of the latest technology.
D. Adopt effective business models.
24.
A. High social status.
Better-paying jobs.
C. Better working conditions.
D. Full employment.
23.
A. They could realize their dreams through hard work.
B. Success was but a dream without conscientious effort.
C. A few dollars could go a long way.
D. Wealth was shared by all citizens.
Questions 22 to 25 are based on the recording you have just heard.22.
A. Its cherished dream is coming true.
B. Its wealth is rationally distributed.
C. Its population is rapidly growing.
D. Its middle-class is disappearing.
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