轻型桥台适用于小跨径桥梁,桥跨孔数与轻型桥墩配合使用时不宜超过( )个。
A.2
B.3
C.4
D.5
参考答案:B
The cruel man________his wife and child.[ ]
A. abandoned
B. involved
C. appointed
D. tolerated
下列哪种疾病属于耳性眩晕()
A.脑炎
B.脑动脉硬化
C.梅尼埃病
D.贫血