Living without a car, they achieved better physical fitness from extra walking and cycling gained a new perspective of the place they lived.
查看答案
There were risks involved in riding a bike in traffic, being in strange train stations, waiting at bus stops.
A. 对
B. 错
Since their return to the USA, they have continued their practice of living car-free and more sustainably.
A. 对
B. 错
楼层平面为建筑一层的标高通常为（）
A. 1米
B. 正负零
C. 一层板底
D. 二层梁底
轴网通常用于：
A. 平面的定位
B. 立面的定位
C. 三维的定位
D. 都可以
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