保险规划的第一步是() ["确定保险需求","选择保险产品","确定保险金额","确定保险期限"]
电解铜可于露天存放,按品号和批号分别堆放,垫底不低于()。 ["1000mm","800mm","100mm","300mm"]
11. public void addStrings(List list) { 12. list.add(”foo”); 13. list.add(”bar”); 14. } What must you change in this method to compile without warnings?() [" add this code after line 11: list = (List) list;"," change lines 12 and 13 to: list.add(”foo”); list.add(”bar”);"," change the method signature on line 11 to: public void addStrings(List< extends String> list) {"," change the method signature on line 11 to: public void addStrings(List< super String> list) {"," No changes are necessary. This method compiles without warnings.<\/string><\/string><\/string>"]
建筑工程施工现场消防管理中,关于易燃仓库的防火要求,下列说法中,正确的是()。 ["易燃材料仓库应设在水源充足、消防车能驶到的地方,并应设在下风方向","易燃材料露天仓库四周内,应有宽度不小于10m的平坦空地作为消防通道,通道上禁止堆放障碍物","贮量大的易燃材料仓库,应设两个以上的大门,并应将生活区、生活辅助区和堆场分开布置","有明火的生产辅助区和生活用房与易燃材料之间,至少应保持30m的防火间距","对易引起火灾的仓库,应将库房内、外按每500m2区域分段设立防火墙,把建筑平面划分为若干个防火单元"]
王先生购买福利彩票中奖获得1万元,则他应缴纳的个人所得税为() ["2000元","1500元","500元","2500元"]
规范性文件的撰拟要求是什么?