单项选择题
The Big Apple is a nickname for New York City and the name was from （）.
A.horse farm B.horse race C.dog race D.dog farm
单项选择题 John Hancock Center is an experiment in engineering in terms of using （） for the first.
单项选择题 Which of the following building used tower crane for the first time?（）
多项选择题 What are the features of a Victorian Brownstone house in Boston?（）
