单项选择题


Questions 18 to 20 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions.
Now listen to the passage.
What is the main topic of the story

A．The coffee market in Boston.
B．The role of supermarkets in the coffee business.
C．A new trend in the United States.
D．The advertising of a new product.
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单项选择题
What was the man doing before the woman arrived
A．Studying in the library.
B．Sleeping in the library.
C．Sleeping in the room.
D．Having a snack outside the library.
单项选择题
The United States is a typical country
A．which encourages free trade at home and abroad.
B．where people’s chief concern is how to make money.
C．where all businesses are managed scientifically.
D．which normally works according to the federal budget.
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