（）过大时，会增加车辆的内偏倚量而减少车体的有效宽度并增加车辆挠度。
A.全轴距
B.固定轴距
C.定距
D.车辆定距
参考答案：D
________ by the heavy snowfalls, Chenzhou, a city in South China, was cut off from the outside,
________ water and electricity shortage.[ ]
A. Having struck; facing
B. Having struck; faced
C. Struck; facing
D. Struck; faced
用下列实验装置进行相应实验，能达到实验目的的是
A. 用图1 所示装置除去Cl2中含有的少量HCl
B. 用图2 所示装置蒸干NH4Cl饱和溶液制备NH4Cl晶体
C. 用图3 所示装置制取少量纯净的CO2气体
D. 用图4 所示装置分离CCl4萃取碘水后已分层的有机层和水层
