影响建筑物间距的因素有哪些？
参考答案：影响建筑物间距的因素有日照、防火要求、建筑物的使用性质和用地情况等。
The doctor said that there was wrong with Jane's legs. But he could do to help her. [ ]
A. something, anything
B. something, nothing
C. nothing, anything
D. everything, something
从绞线机原理来看，绞线机起主要作用应是（）。
A.收线部分
B.牵引部分
C.传动部分
D.放线部分
