单项选择题

Questions 14～17 are based on the following monologue introducing the origin of an expression. You now have 20 seconds to read Questions 14～17. Why are hamburgers so popular in America

A．Because they are made from beef.
B．Because they are cheaper than any other kind of food.
C．Because they are served quickly at a low price.
D．Because hamburger is the only fast food in America.
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单项选择题
High school seniors are applying to more schools probably by way of______.
A．copying others’ applications
B．using common applications which are the same as others
C．sending a large number of application letters to different colleges
D．electronic application forms through internet
单项选择题
Where was the body found
A．In a drinking club.
B．In the underpass of a certain road.
C．In the London underground.
D．On North Circular Road.
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