What happened to Lisa after a mouth operation?
A. She spoke with a Texas accent.
B. She spoke with a British accent.
C. She returned to her normal life.
D. She needed to have another operation.
Why was Lisa embarrassed?
A. Because she hadn’t been to England yet.
Because she hadn’t watched any British movies.
C. Because she didn’t want to see people play around.
D. Because she didn’t like to speak with a British accent.
Why was Lisa's condition unusual?
A. Because nobody wanted to help her.
Because no one else had this condition.
C. Because doctors didn't know what caused it.
D. Because the accent would stay with her forever.
调查发现，保健品市场的兴起是由于人们的观念变化引起的，这一因素属于外部一般环境中的：
A. 经济因素
B. 技术因素
C. 社会文化因素
D. 政治法律因素
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