单项选择题


Questions 21 to 23 are based on the following news. At the end of the news item, you will be given 15 seconds to answer the questions.
Now, listen to the news.
Which is NOT one of the sources from which FBI could get customer information

A．Telephone companies.
B．Internet service providers.
C．Census bureaus.
D．Financial institutions.
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单项选择题
Why do most students buy meal contracts
A．They are free to have their meals any time for their convenience in the dorm kitchens.
B．They have more choices of eating at any cafeterias rather than being limited in the small dorm kitchens.
C．They can eat in Darney dining-hall during the vacation time.
D．They can eat as much food as they want with the meal contracts.
单项选择题
What topic does the speaker explain in details
A．American individualism.
B．Americans’ attitude toward privacy.
C．Personal values in Americans.
D．Professional values in Americans.
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