【多选题】自然灾害的双重属性包括: _______ 。
【判断题】市场调查方案也称为市场调查计划书,在实际开展调查过程中,会有更具体的实施措施,所以在调查开展之前不一定需要。
【简答题】因下列原因造成的误机(车、船)事故,属于责任事故的是( )。
【简答题】误机(车、船)事故的原因有非责任事故和 ____ 两种。
【单选题】He made up his ______ to study hard.
【单选题】_______ greatly by what he had heard and seen, he made up his mind to stand on his own feet again.