单项选择题


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

A．Agriculture in the industrialized world.
B．Cultivated crops.
C．The association between roses and humans.
D．The discoveries of certain grasses.
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填空题
Stanley thought that ______ was to blame for the cities’ collapse in the middle of the eighth century A.D.
单项选择题
A．It is the best city he’s ever visited.B．It was worse than he had expected.C．It is difficult to get around in the city.D．The hotel service is terrible in the city.
A．It is the best city he’s ever visited.
B．It was worse than he had expected.
C．It is difficult to get around in the city.
D．The hotel service is terrible in the city.
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