职工应按照个人工资的()缴纳失业保险费。
A.1%
B.2%
C.3%
D.4%
参考答案:A
一种既有利于短小作业又兼顾到长作业的作业调度算法是( )。
A.先来先服务
B.轮转
C.最高响应比优先
D.均衡调度
Tom and his sister will visit _____ for winter holiday.[ ]
A. somewhere interesting
B. anywhere interesting
C. interesting somewhere
D. interesting anywhere