How long will Tim stay in London？
A couple of months.
B. One year.
C. Several weeks.
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What is true of the past definitions of happiness？
A. They were based on self-gratification.
B. They varied greatly.
C. They were based on lifestyles.
What happened to the ship they were talking about？
A. It was caught in fog.
B. It turned over in the storm.
C. It wrecked on a rock.
What happened to the temporary minister of air-transport and tourism of Afghanistan？
A. He has been murdered at Kabul Airport.
B. He has been shot at Kabul Airport.
C. He has been beaten to death at Kabul Airport.
According to the passage, Adam Smith was the first person to ______.
A. take advantage of the physical labor
B. introduce the division of labor into England
C. understand the effects of the division of labor
D. explain the bad causes of the division of labor
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