They liked the Sligachan Inn because______.
A. it was at the foot of the mountains
B. they enjoyed mountain climbing
C. the food and service were good
D. it was a beautiful and quiet place
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Which of the following statements is NOT TRUE？
A. It is very difficult for one to change his energy cycle.
B. Dr. Kleitman explains why people reach their peaks at different hours of day.
C. Habit helps a person adapt to his own energy cycle.
D. Children have energy cycles, too.
After the big gold discoveries in the late nineteenth century,
A. the trading nations adopted the gold standard
B. the trading nations were unable to get enough gold
C. gold coins were used by most nations
D. gold was considered to be a kind of precious metal
What do we know from the passage about people and nature？
A. People and nature exist in harmony and hardly disagree.
B. The evolutionary force in nature helps delay the ageing process.
C. People seem now in a position to harness nature.
Death is the reality in nature people should come to terms with.
Which of the following is NOT mentioned in the passage as a symptom of major depressive disorder？
A. Inability to sleep.
B. Grief over death.
C. Weariness.
D. Weight gain.
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