()质量技术监督部门根据需要,可确定技术专家参加现场核查工作。
A、国家级
B、省级
C、地市级
D、县级
参考答案:A
Many possible means ___been tried, but ___worked. [ ]
A. have, none
B. has, a few
C. has , none
D. have , a few
西周实行分封制,都于上(商?)丘的国家是()
A、鲁
B、卫
C、宋
D、齐