中央、国家机关档案部门,均应参加档案工作达标和升级活动;组建已满()年者按程序进行考评。
A、二
B、三
C、一
D、四
参考答案:A
She ____ the house the whole morning but it seems to be at least an hour before she finishes it.
A.has been cleaning
B.cleaned
C.had cleaned
D.has cleaned
男,28岁,右髋部疼痛2个月余,结合影像学检查,最可能的诊断是()
A.慢性骨脓肿
B.骨样骨瘤
C.骨巨细胞瘤
D.骨囊肿
E.骨转移瘤