单项选择题

Questions 11-13 are based on the following passage. You now have 15 seconds to read the questions 11-13. What is the skin

A．Appreciated by most people.
B．An organ of the body.
C．An inactive organ.
D．Relatively unimportant.
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单项选择题
How are the guests going to New York
A．By bus.
B．By plane.
C．By car.
D．By train.
单项选择题
Where do the speakers work
A．At an art school.
B．At a newspaper office.
C．At a stadium.
D．At a publishing house.
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