是SLE的标准筛选试验,但特异性小
A.抗核抗体B.抗Sm抗体C.抗双链DNA抗体D.抗磷脂抗体E.类风湿因子
参考答案:A
患者女,70岁,上下颌牙列缺失,行全口义齿修复,支架试戴正常,排牙充胶,采用微波聚合,戴牙时发现塑料基托与黏膜不密合,而金属基托未见异常。
由于充填造成支架移位的原因是 ()
A.装盒石膏包埋过多
B.支架焊接移位
C.塑料充填过早
D.塑料充填过迟过多
E.塑料充填时带入气泡
----Have they finished the project?
---- Yes. By the end of last month, they ______ it. Now they ______ on a new one.
A.had finished; are working
B.had finished; work
C.have finished; are working
D.have finished; work