淘宝对违背承诺投诉的处理原则是什么？
列出EMP表中，从事每个工种（JOB）的员工人数（） ["select job from emp;","select job,count(*) from emp;","select distinct job,count(*) from emp;","select job,count(*) from emp group by job;","select job,sum(empno) from emp group by jo"]
工业硫酸含有杂质而呈浅监色。
以下弹性元件中不属于悬架常采用的是（） ["钢板弹簧","空气弹簧","螺旋弹簧","减震器"]
鸡冠花的花序类型是（） ["穗状花序","肉穗花序","总状花序","头状花序"]
描述不当情节特别严重的”包括哪些情形？
