单项选择题


Passage Two
Questions 29 to 31 are based on the passage you have just heard.

A．Disadvantages of tall buildings.
B．The Crystal Palace Exhibition.
C．Modem elevators.
D．The invention of the elevator.
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单项选择题
A．About opening a restaurant.B．About how to spend the vacation.C．About working in the laboratory.D．About where to travel.
A．About opening a restaurant.
B．About how to spend the vacation.
C．About working in the laboratory.
D．About where to travel.
单项选择题
A．European expeditions in the 1700s.B．Famous sites in Los Angeles.C．The growth of Los Angeles.D．The entertainment industry.
A．European expeditions in the 1700s.
B．Famous sites in Los Angeles.
C．The growth of Los Angeles.
D．The entertainment industry.
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