投稿时应注意的问题有() ["写好投稿说明信","正确对待编辑的修改建议","以各种方式经常与编辑部门联系","瞄准一个期刊反复投稿","正确对待退稿"]
评估形势时首先应将以下的哪一项内容看作一个整体,通过调查进行分析() ["社会需求","对手","服务","组织","系统"]
疼痛的性质中,“在皮肤和躯体黏膜的痛觉,是以A类纤维的传导为主”属于() ["表层疼痛","深层疼痛","内脏疼痛","钝痛的出现为第二痛觉阶段","从触觉到锐痛的过程是痛觉的第一阶段"]
下面几种煤密度依次升高的是()。 ["褐煤烟煤无烟煤","无烟煤烟煤褐煤","褐煤无烟煤烟煤","烟煤褐煤无烟煤"]
计划的最后一个步骤是() ["选定方案","反馈","评价方案","制订辅助计划","编制预算"]
海洋热污染将造成哪些不良后果?