第11题: [单项选择]Franklin Delano Roosevelt was the U.S. President when many businesses were ______ during the Great Depression. A. failing B. incorporating C. buying stocks D. expanding 参考答案:A 答案解析:failing失败,破产;incorporating合并;buying stocks购买原材料;expanding扩张。
第12题: [多项选择]船舶进行下列()项活动,须经海事部门批准。 A. 使用化学消油剂; B. 在港内水域进行洗舱、驱气; C. 处理船舶垃圾; D. 油轮装压载水。 参考答案:A,B