皮皮学，免费搜题
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【简答题】
听下面一段材料， 回答第1-3题 1. What happened to the woman? A. She was knocked down by a man. B. She couldn’t find her daughter. C. She was robbed in the street. 2. What can we learn about the man robber? A. He was tall and fat. B. He was fat and had long brown hair. C. He wore a white coat and black shoes. 3. What color is the woman’s handbag? A. Red B. Black C. Brown
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皮皮学刷刷变学霸
举一反三
【单选题】当船舶的稳性力矩与外界风压倾侧力矩相同时,船舶达到__________。 (40257:第二章_稳性:714)
A.
静平衡
B.
动平衡
C.
此时GZ达到极值
D.
此时船舶的横倾角为θmax