建筑边坡级别大于或等于（）级时，应采用动态设计方法。
A.一级
B.二级
C.三级
D.四级
参考答案：A
Having finished lunch, the case was discussed .
A．they discussed the case
B．they had discussed the case
C．the case was discussed
D．the case had been discussed
男西裤门襟缉线的开始位置是（）
A.腰口
B.小裆封口位置
C.小裆封口以上1cm
D.小裆封口一下1cm
