单项选择题
A．She is afraid of the place. B．She has never heard of the place. C．She has never taken the bus before. D．She is not familiar with the place.
A．People would not buy more food than was necessary. B．Food was delivered to people two or three times a week. C．Food was sold fresh and did not get rotten easily. D．People had effective ways to preserve their food.
A．universities must meet the need of the society B．universities play an important role in our society C．research and teaching are of great importance in universities D．traditional universities do a good job serving the society