In the fourth paragraph, the author implies that imagination is most important to scientists when they ______.
A. gather known facts
B. formulate possible solutions to a problem
C. evaluate previous work on a problem
D. close an investigation
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Man: Can't we slow down？ Don't you feel tired？ Woman: Slow down？ Don't you realize that it
A. She doesn't like walking with the man.
B. She doesn't feel tired.
C. She is going very fast.
D. She is anxious about not going to be on time.
According to the passage, former young people were expected to ______.
A. enter the society before adulthood
B. hold together
C. work hard and support their family
D. study hard and find a good job
Woman: Did you have much trouble with the exam？ Man: Not really. Question: How was the man
A. He didn't have much trouble.
B. He is sure that he did perfectly in the exam.
C. He did very badly in the exam.
D. He didn't take the exam.
Many people rushed to California because ______ .
A. they were hungry for discoveries
B. they were attracted by gold
C. they wanted to build up California
D. they looked for a new competition
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