实物期权理论认为：不确定性带来机会，不确定性的增加可以带来更高的价值。( )
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The ability to establish fine relations with others will keep you（）
A. sad and lonely
B. emotionally health
C. without real love for them
D. a sense of security
E. a lonely wolf
F. without pity
49（）
A. Second, I could lower my blood cholesterol level simply by changing what I ate.
B. I was three years old at that time.
C. There is not enough oxygen in the blood.
D. It was a heart attack just waiting to happen
E. The trial was designed to test the effect of lowering blood cholesterol on the risk of heart disease.
F. The death rate for the test was only 1 in 100, I was assured.
Paragraph 4（）
A. Close link between companionship and belongingness
B. How to satisfy other people’s needs
C. An example of a satisfying relationship
Difficulties in establishing friendships
E. What companionship really is
F. Making friends with new acquaintances
Questions 19 to 21 are based on the conversation you have just heard. What do we learn from the conversation about the man?（）
A. He is Mr. Romero’s agent
B. He is the woman’s assistant
C. He is an entertainment journalist
D. He is a famous movie star
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