A. 绿色灯光长亮 B. 绿色灯光左右摇动数次 C. 绿色灯光下压数次 D. 绿色灯光明灭数次
A. the height of the tide B. depth of water under the bridge C. charted vertical clearance at mean low water D. distance from the water to low steel of the bridge
A. 淝水之战 B. 巨鹿之战 C. 赤壁之战