锚杆或锚索加固边坡适用于潜在滑动面大于()的不稳定岩土体?
A.5m
B.20m
C.30m
D.10m
参考答案:D
Shanghai is bigger than ________in Jiangsu and bigger than ________in China.
A.any city;any city
B.any city;any other city
C.any other city; the other cities
D.any other city; any city
下图中1和2的位置分别应是
A.西夏和辽
B.金和西夏
C.辽和西夏
D.西夏和南宋