How long has the woman had a headache？
A. Since last night.
B. For a week.
C. Since last week.
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When we begin to read a book, ______.
A. we are eager to know the result of the book
B. we have formed some ideas beforehand
C. we have some prejudice against the author
D. we are doubtful about the facts to be shown
根据《建设工程监理与相关服务收费管理规定》，仅将质量控制和安全生产监督管理服务委托给监理人的，其收费不宜低于施工监理服务收费额的（）。
A. 0.8
B. 0.7
C. 0.6
D. 0.5
According to this passage, turtles are of great importance in China because they are
A. rare
B. the most expensive in food markets
C. imported into China
D. used to cure certain diseases
Turtles are well-known throughout the world for reasons except its______.
A. longevity
B. beneficial substances to human beings
C. high value as a special target for collectors
D. status in restaurants
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