头痛较重，颈强直，有动眼神经麻痹，无其他症状为Hunt五级分类法哪一级（）
A．一级
B．二级
C．三级
D．四级
E．五级
参考答案：B
The reason________he was late was ________he missed the train.
A．that; why
B．that; that
C．why; that
D．why; why
挡土墙稳定性验算不应包括( )。
A．抗倾覆验算
B．地基承载力验算
C．地基变形验算
D．整体滑动验算
