世界上人口最多的民族是[ ]
A、大和族
B、朝鲜族
C、俄罗斯族
D、汉族
答案:D
The kid, rather than his parents, __________said to have had an accident while travelling.
A.is
B.are
C.were
D.will be
职业健康检查应当由()以上人民政府卫生行政部门批准的医疗卫生机构承担。
A.县级
B.市级
C.区级
D.省级